/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 00:21:04,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 00:21:04,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 00:21:04,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 00:21:04,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 00:21:04,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 00:21:04,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 00:21:04,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 00:21:04,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 00:21:04,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 00:21:04,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 00:21:04,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 00:21:04,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 00:21:04,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 00:21:04,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 00:21:04,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 00:21:04,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 00:21:04,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 00:21:04,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 00:21:04,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 00:21:04,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 00:21:04,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 00:21:04,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 00:21:04,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 00:21:04,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 00:21:04,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 00:21:04,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 00:21:04,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 00:21:04,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 00:21:04,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 00:21:04,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 00:21:04,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 00:21:04,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 00:21:04,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 00:21:04,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 00:21:04,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 00:21:04,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2020-12-18 00:21:05,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 00:21:05,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 00:21:05,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 00:21:05,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 00:21:05,024 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 00:21:05,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 00:21:05,025 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 00:21:05,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 00:21:05,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 00:21:05,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 00:21:05,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 00:21:05,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 00:21:05,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 00:21:05,027 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 00:21:05,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 00:21:05,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 00:21:05,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 00:21:05,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 00:21:05,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 00:21:05,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 00:21:05,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 00:21:05,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 00:21:05,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 00:21:05,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 00:21:05,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 00:21:05,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 00:21:05,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 00:21:05,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 00:21:05,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 00:21:05,032 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-18 00:21:05,032 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 00:21:05,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 00:21:05,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 00:21:05,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 00:21:05,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 00:21:05,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 00:21:05,459 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 00:21:05,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-12-18 00:21:05,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf5078e3/4f5be572e2ab42edacddb12d6c89d452/FLAG8b65d0da0 [2020-12-18 00:21:06,459 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 00:21:06,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-12-18 00:21:06,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf5078e3/4f5be572e2ab42edacddb12d6c89d452/FLAG8b65d0da0 [2020-12-18 00:21:06,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf5078e3/4f5be572e2ab42edacddb12d6c89d452 [2020-12-18 00:21:06,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 00:21:06,571 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 00:21:06,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 00:21:06,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 00:21:06,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 00:21:06,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:21:06" (1/1) ... [2020-12-18 00:21:06,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c575d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:06, skipping insertion in model container [2020-12-18 00:21:06,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:21:06" (1/1) ... [2020-12-18 00:21:06,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 00:21:06,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 00:21:07,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 00:21:07,572 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 00:21:07,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 00:21:08,100 INFO L208 MainTranslator]: Completed translation [2020-12-18 00:21:08,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08 WrapperNode [2020-12-18 00:21:08,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 00:21:08,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 00:21:08,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 00:21:08,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 00:21:08,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 00:21:08,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 00:21:08,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 00:21:08,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 00:21:08,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... [2020-12-18 00:21:08,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 00:21:08,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 00:21:08,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 00:21:08,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 00:21:08,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 00:21:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 00:21:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 00:21:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 00:21:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-18 00:21:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 00:21:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 00:21:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-12-18 00:21:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-12-18 00:21:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 00:21:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 00:21:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 00:21:08,331 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 00:21:09,004 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 00:21:09,004 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-18 00:21:09,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:21:09 BoogieIcfgContainer [2020-12-18 00:21:09,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 00:21:09,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 00:21:09,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 00:21:09,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 00:21:09,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:21:06" (1/3) ... [2020-12-18 00:21:09,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb5607c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:21:09, skipping insertion in model container [2020-12-18 00:21:09,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:21:08" (2/3) ... [2020-12-18 00:21:09,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb5607c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:21:09, skipping insertion in model container [2020-12-18 00:21:09,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:21:09" (3/3) ... [2020-12-18 00:21:09,016 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2020-12-18 00:21:09,033 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 00:21:09,033 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 00:21:09,037 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-18 00:21:09,038 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 00:21:09,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,078 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,078 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,086 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,087 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,089 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,089 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,089 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,089 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,090 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,091 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,091 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,091 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,092 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,092 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,092 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,092 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,092 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,092 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,093 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,095 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,095 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,095 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,095 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,095 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,096 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,096 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,096 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,096 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,096 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,097 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,097 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,097 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,097 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,097 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,098 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,098 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,098 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,098 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,099 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,099 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,099 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,099 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,100 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,100 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,100 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,100 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,100 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,101 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,101 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,102 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,102 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,102 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,103 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,103 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,103 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,103 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,103 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,104 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,104 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,106 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,107 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,107 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,107 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,107 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,107 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,108 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,108 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,108 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,108 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,114 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,114 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,114 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,114 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,115 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,115 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,115 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,115 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,115 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,116 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 00:21:09,129 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-18 00:21:09,143 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-18 00:21:09,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 00:21:09,166 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 00:21:09,166 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 00:21:09,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 00:21:09,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 00:21:09,167 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 00:21:09,167 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 00:21:09,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 00:21:09,185 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 178 places, 188 transitions, 398 flow [2020-12-18 00:21:09,678 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9136 states, 9125 states have (on average 2.8808767123287673) internal successors, (26288), 9135 states have internal predecessors, (26288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 9136 states, 9125 states have (on average 2.8808767123287673) internal successors, (26288), 9135 states have internal predecessors, (26288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-18 00:21:09,719 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:09,720 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:09,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:09,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1810721684, now seen corresponding path program 1 times [2020-12-18 00:21:09,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:09,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809717495] [2020-12-18 00:21:09,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:10,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809717495] [2020-12-18 00:21:10,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:10,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:21:10,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160571409] [2020-12-18 00:21:10,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:21:10,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:10,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:21:10,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:21:10,484 INFO L87 Difference]: Start difference. First operand has 9136 states, 9125 states have (on average 2.8808767123287673) internal successors, (26288), 9135 states have internal predecessors, (26288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:10,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:10,872 INFO L93 Difference]: Finished difference Result 8341 states and 23240 transitions. [2020-12-18 00:21:10,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-18 00:21:10,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-12-18 00:21:10,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:10,878 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-18 00:21:10,878 INFO L78 Accepts]: Start accepts. Automaton has 8341 states and 23240 transitions. Word has length 38 [2020-12-18 00:21:10,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:10,879 INFO L481 AbstractCegarLoop]: Abstraction has 8341 states and 23240 transitions. [2020-12-18 00:21:10,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8341 states and 23240 transitions. [2020-12-18 00:21:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-18 00:21:10,881 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:10,882 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:10,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 00:21:10,882 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:10,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:10,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1691754833, now seen corresponding path program 1 times [2020-12-18 00:21:10,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:10,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153667653] [2020-12-18 00:21:10,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:11,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153667653] [2020-12-18 00:21:11,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:11,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:21:11,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853454281] [2020-12-18 00:21:11,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:21:11,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:11,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:21:11,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:21:11,123 INFO L87 Difference]: Start difference. First operand 8341 states and 23240 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:11,433 INFO L93 Difference]: Finished difference Result 8340 states and 23239 transitions. [2020-12-18 00:21:11,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-18 00:21:11,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2020-12-18 00:21:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:11,435 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-18 00:21:11,435 INFO L78 Accepts]: Start accepts. Automaton has 8340 states and 23239 transitions. Word has length 44 [2020-12-18 00:21:11,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:11,435 INFO L481 AbstractCegarLoop]: Abstraction has 8340 states and 23239 transitions. [2020-12-18 00:21:11,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8340 states and 23239 transitions. [2020-12-18 00:21:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-18 00:21:11,441 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:11,441 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:11,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 00:21:11,442 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:11,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2068266895, now seen corresponding path program 1 times [2020-12-18 00:21:11,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:11,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116931648] [2020-12-18 00:21:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:11,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116931648] [2020-12-18 00:21:11,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:11,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:21:11,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483941541] [2020-12-18 00:21:11,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:21:11,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:11,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:21:11,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:21:11,589 INFO L87 Difference]: Start difference. First operand 8340 states and 23239 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:12,101 INFO L93 Difference]: Finished difference Result 11962 states and 33385 transitions. [2020-12-18 00:21:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:21:12,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2020-12-18 00:21:12,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:12,103 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:21:12,103 INFO L78 Accepts]: Start accepts. Automaton has 11962 states and 33385 transitions. Word has length 62 [2020-12-18 00:21:12,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:12,104 INFO L481 AbstractCegarLoop]: Abstraction has 11962 states and 33385 transitions. [2020-12-18 00:21:12,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 11962 states and 33385 transitions. [2020-12-18 00:21:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-18 00:21:12,110 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:12,110 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:12,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-18 00:21:12,110 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:12,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1199812273, now seen corresponding path program 1 times [2020-12-18 00:21:12,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:12,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706582949] [2020-12-18 00:21:12,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:12,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706582949] [2020-12-18 00:21:12,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:12,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-18 00:21:12,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618825442] [2020-12-18 00:21:12,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-18 00:21:12,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:12,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-18 00:21:12,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-18 00:21:12,259 INFO L87 Difference]: Start difference. First operand 11962 states and 33385 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:12,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:12,819 INFO L93 Difference]: Finished difference Result 15556 states and 43300 transitions. [2020-12-18 00:21:12,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-18 00:21:12,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2020-12-18 00:21:12,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:12,821 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:21:12,821 INFO L78 Accepts]: Start accepts. Automaton has 15556 states and 43300 transitions. Word has length 68 [2020-12-18 00:21:12,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:12,822 INFO L481 AbstractCegarLoop]: Abstraction has 15556 states and 43300 transitions. [2020-12-18 00:21:12,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 15556 states and 43300 transitions. [2020-12-18 00:21:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-18 00:21:12,838 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:12,838 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:12,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-18 00:21:12,840 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:12,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:12,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1278281470, now seen corresponding path program 1 times [2020-12-18 00:21:12,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:12,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339907975] [2020-12-18 00:21:12,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:13,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:13,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339907975] [2020-12-18 00:21:13,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:13,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-18 00:21:13,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884669293] [2020-12-18 00:21:13,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-18 00:21:13,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:13,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-18 00:21:13,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-18 00:21:13,054 INFO L87 Difference]: Start difference. First operand 15556 states and 43300 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:13,132 INFO L93 Difference]: Finished difference Result 2860 states and 7566 transitions. [2020-12-18 00:21:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-18 00:21:13,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2020-12-18 00:21:13,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:13,133 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-18 00:21:13,134 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 7566 transitions. Word has length 76 [2020-12-18 00:21:13,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:13,135 INFO L481 AbstractCegarLoop]: Abstraction has 2860 states and 7566 transitions. [2020-12-18 00:21:13,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 7566 transitions. [2020-12-18 00:21:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:13,145 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:13,146 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:13,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-18 00:21:13,146 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:13,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:13,147 INFO L82 PathProgramCache]: Analyzing trace with hash -797869625, now seen corresponding path program 1 times [2020-12-18 00:21:13,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:13,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992368143] [2020-12-18 00:21:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:13,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992368143] [2020-12-18 00:21:13,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:13,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:13,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983588256] [2020-12-18 00:21:13,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:13,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:13,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:13,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:13,907 INFO L87 Difference]: Start difference. First operand 2860 states and 7566 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:14,620 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-18 00:21:16,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:16,651 INFO L93 Difference]: Finished difference Result 7230 states and 19138 transitions. [2020-12-18 00:21:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-18 00:21:16,651 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:16,654 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=702, Invalid=1460, Unknown=0, NotChecked=0, Total=2162 [2020-12-18 00:21:16,654 INFO L78 Accepts]: Start accepts. Automaton has 7230 states and 19138 transitions. Word has length 109 [2020-12-18 00:21:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:16,655 INFO L481 AbstractCegarLoop]: Abstraction has 7230 states and 19138 transitions. [2020-12-18 00:21:16,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 7230 states and 19138 transitions. [2020-12-18 00:21:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:16,679 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:16,680 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:16,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-18 00:21:16,680 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:16,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1599994753, now seen corresponding path program 1 times [2020-12-18 00:21:16,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:16,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60320942] [2020-12-18 00:21:16,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:17,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60320942] [2020-12-18 00:21:17,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:17,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:21:17,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084091812] [2020-12-18 00:21:17,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:21:17,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:17,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:21:17,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:21:17,458 INFO L87 Difference]: Start difference. First operand 7230 states and 19138 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:19,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:19,105 INFO L93 Difference]: Finished difference Result 9189 states and 23723 transitions. [2020-12-18 00:21:19,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-18 00:21:19,107 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:19,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:19,108 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=230, Invalid=526, Unknown=0, NotChecked=0, Total=756 [2020-12-18 00:21:19,108 INFO L78 Accepts]: Start accepts. Automaton has 9189 states and 23723 transitions. Word has length 109 [2020-12-18 00:21:19,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:19,109 INFO L481 AbstractCegarLoop]: Abstraction has 9189 states and 23723 transitions. [2020-12-18 00:21:19,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 9189 states and 23723 transitions. [2020-12-18 00:21:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:19,134 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:19,134 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:19,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-18 00:21:19,135 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:19,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:19,136 INFO L82 PathProgramCache]: Analyzing trace with hash -72871819, now seen corresponding path program 2 times [2020-12-18 00:21:19,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:19,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607676084] [2020-12-18 00:21:19,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:19,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607676084] [2020-12-18 00:21:19,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:19,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:21:19,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107313192] [2020-12-18 00:21:19,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:21:19,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:19,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:21:19,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:21:19,794 INFO L87 Difference]: Start difference. First operand 9189 states and 23723 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:21,328 INFO L93 Difference]: Finished difference Result 10375 states and 26082 transitions. [2020-12-18 00:21:21,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-18 00:21:21,329 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:21,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:21,330 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2020-12-18 00:21:21,330 INFO L78 Accepts]: Start accepts. Automaton has 10375 states and 26082 transitions. Word has length 109 [2020-12-18 00:21:21,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:21,331 INFO L481 AbstractCegarLoop]: Abstraction has 10375 states and 26082 transitions. [2020-12-18 00:21:21,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 10375 states and 26082 transitions. [2020-12-18 00:21:21,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:21,357 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:21,357 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:21,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-18 00:21:21,360 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:21,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:21,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1536768341, now seen corresponding path program 3 times [2020-12-18 00:21:21,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:21,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358805567] [2020-12-18 00:21:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:22,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358805567] [2020-12-18 00:21:22,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:22,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:22,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347741220] [2020-12-18 00:21:22,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:22,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:22,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:22,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:22,413 INFO L87 Difference]: Start difference. First operand 10375 states and 26082 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:23,216 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-18 00:21:23,455 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-18 00:21:23,847 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-18 00:21:24,206 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-18 00:21:24,382 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-18 00:21:24,537 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-18 00:21:24,710 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:21:24,855 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-12-18 00:21:25,030 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-18 00:21:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:25,057 INFO L93 Difference]: Finished difference Result 14050 states and 34913 transitions. [2020-12-18 00:21:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-18 00:21:25,058 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:25,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:25,060 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=307, Invalid=749, Unknown=0, NotChecked=0, Total=1056 [2020-12-18 00:21:25,060 INFO L78 Accepts]: Start accepts. Automaton has 14050 states and 34913 transitions. Word has length 109 [2020-12-18 00:21:25,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:25,061 INFO L481 AbstractCegarLoop]: Abstraction has 14050 states and 34913 transitions. [2020-12-18 00:21:25,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 14050 states and 34913 transitions. [2020-12-18 00:21:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:25,084 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:25,084 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:25,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-18 00:21:25,085 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:25,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:25,085 INFO L82 PathProgramCache]: Analyzing trace with hash -891700543, now seen corresponding path program 4 times [2020-12-18 00:21:25,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:25,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565877805] [2020-12-18 00:21:25,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:25,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565877805] [2020-12-18 00:21:25,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:25,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:25,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316804904] [2020-12-18 00:21:25,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:25,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:25,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:25,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:25,996 INFO L87 Difference]: Start difference. First operand 14050 states and 34913 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:26,936 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-18 00:21:27,207 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-18 00:21:27,692 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-18 00:21:27,886 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:21:28,256 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-18 00:21:28,431 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-18 00:21:28,587 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-18 00:21:28,767 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-18 00:21:28,913 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:21:29,084 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-18 00:21:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:29,114 INFO L93 Difference]: Finished difference Result 14100 states and 34963 transitions. [2020-12-18 00:21:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:21:29,115 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:29,116 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:21:29,116 INFO L78 Accepts]: Start accepts. Automaton has 14100 states and 34963 transitions. Word has length 109 [2020-12-18 00:21:29,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:29,117 INFO L481 AbstractCegarLoop]: Abstraction has 14100 states and 34963 transitions. [2020-12-18 00:21:29,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 14100 states and 34963 transitions. [2020-12-18 00:21:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:29,140 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:29,141 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:29,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-18 00:21:29,141 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:29,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:29,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1648014349, now seen corresponding path program 5 times [2020-12-18 00:21:29,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:29,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379975387] [2020-12-18 00:21:29,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:29,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379975387] [2020-12-18 00:21:29,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:29,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:21:29,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818911520] [2020-12-18 00:21:29,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:21:29,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:29,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:21:29,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:21:29,777 INFO L87 Difference]: Start difference. First operand 14100 states and 34963 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:31,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:31,378 INFO L93 Difference]: Finished difference Result 15799 states and 38411 transitions. [2020-12-18 00:21:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-18 00:21:31,379 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:31,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:31,381 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=221, Invalid=591, Unknown=0, NotChecked=0, Total=812 [2020-12-18 00:21:31,381 INFO L78 Accepts]: Start accepts. Automaton has 15799 states and 38411 transitions. Word has length 109 [2020-12-18 00:21:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:31,382 INFO L481 AbstractCegarLoop]: Abstraction has 15799 states and 38411 transitions. [2020-12-18 00:21:31,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15799 states and 38411 transitions. [2020-12-18 00:21:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:31,399 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:31,400 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:31,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-18 00:21:31,400 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:31,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:31,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1045403583, now seen corresponding path program 6 times [2020-12-18 00:21:31,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:31,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120766707] [2020-12-18 00:21:31,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:32,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120766707] [2020-12-18 00:21:32,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:32,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:32,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810961702] [2020-12-18 00:21:32,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:32,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:32,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:32,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:32,423 INFO L87 Difference]: Start difference. First operand 15799 states and 38411 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:33,571 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:21:33,742 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:21:33,960 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:21:34,300 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-18 00:21:34,445 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-18 00:21:34,599 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-18 00:21:34,936 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-18 00:21:35,094 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-18 00:21:35,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:35,330 INFO L93 Difference]: Finished difference Result 17833 states and 42404 transitions. [2020-12-18 00:21:35,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:21:35,337 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:35,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:35,339 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:21:35,339 INFO L78 Accepts]: Start accepts. Automaton has 17833 states and 42404 transitions. Word has length 109 [2020-12-18 00:21:35,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:35,339 INFO L481 AbstractCegarLoop]: Abstraction has 17833 states and 42404 transitions. [2020-12-18 00:21:35,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 17833 states and 42404 transitions. [2020-12-18 00:21:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:35,357 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:35,358 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:35,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-18 00:21:35,358 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:35,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:35,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1496798633, now seen corresponding path program 7 times [2020-12-18 00:21:35,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:35,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754558363] [2020-12-18 00:21:35,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:36,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754558363] [2020-12-18 00:21:36,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:36,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:36,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433157690] [2020-12-18 00:21:36,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:36,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:36,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:36,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:36,167 INFO L87 Difference]: Start difference. First operand 17833 states and 42404 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:37,051 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:37,264 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:21:37,440 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:21:37,918 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:21:38,087 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:21:38,516 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:21:38,677 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:21:38,825 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:21:39,107 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:21:39,235 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:21:39,378 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:21:39,531 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:39,690 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:21:39,956 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:21:40,276 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:21:40,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:40,322 INFO L93 Difference]: Finished difference Result 22022 states and 52150 transitions. [2020-12-18 00:21:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-18 00:21:40,323 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:40,324 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=495, Invalid=1145, Unknown=0, NotChecked=0, Total=1640 [2020-12-18 00:21:40,325 INFO L78 Accepts]: Start accepts. Automaton has 22022 states and 52150 transitions. Word has length 109 [2020-12-18 00:21:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:40,325 INFO L481 AbstractCegarLoop]: Abstraction has 22022 states and 52150 transitions. [2020-12-18 00:21:40,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 22022 states and 52150 transitions. [2020-12-18 00:21:40,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:40,347 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:40,348 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:40,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-18 00:21:40,348 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:40,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:40,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2141866431, now seen corresponding path program 8 times [2020-12-18 00:21:40,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:40,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505457884] [2020-12-18 00:21:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:41,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505457884] [2020-12-18 00:21:41,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:41,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:41,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897931937] [2020-12-18 00:21:41,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:41,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:41,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:41,182 INFO L87 Difference]: Start difference. First operand 22022 states and 52150 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:42,068 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:42,298 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:21:42,483 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:21:42,987 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:21:43,251 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:43,422 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:21:43,896 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:21:44,065 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:21:44,215 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:21:44,386 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:21:44,515 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:21:44,670 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:21:44,838 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:44,994 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:21:45,265 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:21:45,590 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:21:45,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:45,652 INFO L93 Difference]: Finished difference Result 22072 states and 52200 transitions. [2020-12-18 00:21:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-18 00:21:45,652 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:45,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:45,655 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=482, Invalid=1240, Unknown=0, NotChecked=0, Total=1722 [2020-12-18 00:21:45,655 INFO L78 Accepts]: Start accepts. Automaton has 22072 states and 52200 transitions. Word has length 109 [2020-12-18 00:21:45,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:45,656 INFO L481 AbstractCegarLoop]: Abstraction has 22072 states and 52200 transitions. [2020-12-18 00:21:45,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 22072 states and 52200 transitions. [2020-12-18 00:21:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:45,680 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:45,680 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:45,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-18 00:21:45,681 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:45,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:45,681 INFO L82 PathProgramCache]: Analyzing trace with hash 159527075, now seen corresponding path program 9 times [2020-12-18 00:21:45,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:45,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040970591] [2020-12-18 00:21:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:46,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040970591] [2020-12-18 00:21:46,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:46,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:46,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378157268] [2020-12-18 00:21:46,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:46,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:46,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:46,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:46,501 INFO L87 Difference]: Start difference. First operand 22072 states and 52200 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:47,361 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-18 00:21:47,598 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:21:48,012 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-18 00:21:48,190 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:21:48,382 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:48,579 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:21:49,095 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:21:49,254 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:21:49,401 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:21:49,695 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:49,841 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:21:49,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:49,933 INFO L93 Difference]: Finished difference Result 22122 states and 52250 transitions. [2020-12-18 00:21:49,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:21:49,934 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:49,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:49,935 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=320, Invalid=870, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:21:49,936 INFO L78 Accepts]: Start accepts. Automaton has 22122 states and 52250 transitions. Word has length 109 [2020-12-18 00:21:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:49,936 INFO L481 AbstractCegarLoop]: Abstraction has 22122 states and 52250 transitions. [2020-12-18 00:21:49,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 22122 states and 52250 transitions. [2020-12-18 00:21:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:49,965 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:49,965 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:49,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-18 00:21:49,966 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:49,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:49,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1475599365, now seen corresponding path program 10 times [2020-12-18 00:21:49,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:49,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690139372] [2020-12-18 00:21:49,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:50,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690139372] [2020-12-18 00:21:50,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:50,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:50,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201467012] [2020-12-18 00:21:50,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:50,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:50,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:50,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:50,774 INFO L87 Difference]: Start difference. First operand 22122 states and 52250 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:51,960 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:21:52,116 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:21:52,344 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:21:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:53,555 INFO L93 Difference]: Finished difference Result 24760 states and 57515 transitions. [2020-12-18 00:21:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:21:53,556 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:53,557 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:21:53,558 INFO L78 Accepts]: Start accepts. Automaton has 24760 states and 57515 transitions. Word has length 109 [2020-12-18 00:21:53,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:53,558 INFO L481 AbstractCegarLoop]: Abstraction has 24760 states and 57515 transitions. [2020-12-18 00:21:53,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24760 states and 57515 transitions. [2020-12-18 00:21:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:53,577 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:53,577 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:53,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-18 00:21:53,577 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:53,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:53,578 INFO L82 PathProgramCache]: Analyzing trace with hash -843484385, now seen corresponding path program 11 times [2020-12-18 00:21:53,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:53,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484748272] [2020-12-18 00:21:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:54,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484748272] [2020-12-18 00:21:54,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:54,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:54,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518493177] [2020-12-18 00:21:54,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:54,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:54,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:54,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:54,376 INFO L87 Difference]: Start difference. First operand 24760 states and 57515 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:55,483 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:21:55,656 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:21:55,848 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:21:56,034 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:21:56,902 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-18 00:21:57,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:21:57,478 INFO L93 Difference]: Finished difference Result 24756 states and 57511 transitions. [2020-12-18 00:21:57,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:21:57,479 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:21:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:21:57,480 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:21:57,481 INFO L78 Accepts]: Start accepts. Automaton has 24756 states and 57511 transitions. Word has length 109 [2020-12-18 00:21:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:21:57,481 INFO L481 AbstractCegarLoop]: Abstraction has 24756 states and 57511 transitions. [2020-12-18 00:21:57,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24756 states and 57511 transitions. [2020-12-18 00:21:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:21:57,498 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:21:57,498 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:21:57,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-18 00:21:57,498 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:21:57,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:21:57,499 INFO L82 PathProgramCache]: Analyzing trace with hash -216771827, now seen corresponding path program 12 times [2020-12-18 00:21:57,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:21:57,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603252398] [2020-12-18 00:21:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:21:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:21:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:21:58,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603252398] [2020-12-18 00:21:58,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:21:58,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:21:58,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93305912] [2020-12-18 00:21:58,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:21:58,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:21:58,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:21:58,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:21:58,356 INFO L87 Difference]: Start difference. First operand 24756 states and 57511 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:21:59,431 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:21:59,639 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:21:59,824 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:22:00,463 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:22:00,646 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:22:01,255 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:22:01,386 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:22:01,560 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:22:01,821 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:22:02,122 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:22:02,375 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-18 00:22:02,510 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:22:02,823 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:22:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:02,890 INFO L93 Difference]: Finished difference Result 25755 states and 59302 transitions. [2020-12-18 00:22:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-18 00:22:02,891 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:02,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:02,893 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=536, Invalid=1270, Unknown=0, NotChecked=0, Total=1806 [2020-12-18 00:22:02,893 INFO L78 Accepts]: Start accepts. Automaton has 25755 states and 59302 transitions. Word has length 109 [2020-12-18 00:22:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:02,894 INFO L481 AbstractCegarLoop]: Abstraction has 25755 states and 59302 transitions. [2020-12-18 00:22:02,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 25755 states and 59302 transitions. [2020-12-18 00:22:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:02,913 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:02,913 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:02,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-18 00:22:02,913 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:02,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:02,914 INFO L82 PathProgramCache]: Analyzing trace with hash 428295971, now seen corresponding path program 13 times [2020-12-18 00:22:02,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:02,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376461260] [2020-12-18 00:22:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:03,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376461260] [2020-12-18 00:22:03,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:03,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:03,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984216493] [2020-12-18 00:22:03,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:03,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:03,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:03,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:03,713 INFO L87 Difference]: Start difference. First operand 25755 states and 59302 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:04,824 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:22:05,046 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:22:05,235 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:22:05,852 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:22:06,056 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:22:06,240 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:22:06,886 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:22:07,018 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-18 00:22:07,194 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:22:07,464 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:22:07,783 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:22:08,188 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:22:08,522 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:22:08,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:08,589 INFO L93 Difference]: Finished difference Result 25747 states and 59294 transitions. [2020-12-18 00:22:08,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-18 00:22:08,590 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:08,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:08,592 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=520, Invalid=1372, Unknown=0, NotChecked=0, Total=1892 [2020-12-18 00:22:08,592 INFO L78 Accepts]: Start accepts. Automaton has 25747 states and 59294 transitions. Word has length 109 [2020-12-18 00:22:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:08,593 INFO L481 AbstractCegarLoop]: Abstraction has 25747 states and 59294 transitions. [2020-12-18 00:22:08,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 25747 states and 59294 transitions. [2020-12-18 00:22:08,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:08,617 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:08,617 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:08,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-18 00:22:08,618 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:08,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:08,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1554043385, now seen corresponding path program 14 times [2020-12-18 00:22:08,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:08,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479968939] [2020-12-18 00:22:08,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:09,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479968939] [2020-12-18 00:22:09,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:09,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:09,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784598863] [2020-12-18 00:22:09,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:09,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:09,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:09,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:09,505 INFO L87 Difference]: Start difference. First operand 25747 states and 59294 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:10,703 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:22:11,171 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-18 00:22:11,474 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:22:11,686 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:22:11,883 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:22:12,606 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:22:12,749 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-18 00:22:12,903 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:22:13,158 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:22:13,567 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:22:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:14,081 INFO L93 Difference]: Finished difference Result 25739 states and 59286 transitions. [2020-12-18 00:22:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-18 00:22:14,082 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:14,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:14,084 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=488, Invalid=1318, Unknown=0, NotChecked=0, Total=1806 [2020-12-18 00:22:14,084 INFO L78 Accepts]: Start accepts. Automaton has 25739 states and 59286 transitions. Word has length 109 [2020-12-18 00:22:14,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:14,085 INFO L481 AbstractCegarLoop]: Abstraction has 25739 states and 59286 transitions. [2020-12-18 00:22:14,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 25739 states and 59286 transitions. [2020-12-18 00:22:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:14,107 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:14,107 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:14,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-18 00:22:14,107 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash 724059229, now seen corresponding path program 15 times [2020-12-18 00:22:14,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:14,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602756026] [2020-12-18 00:22:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:15,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602756026] [2020-12-18 00:22:15,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:15,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:15,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460457123] [2020-12-18 00:22:15,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:15,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:15,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:15,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:15,052 INFO L87 Difference]: Start difference. First operand 25739 states and 59286 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:16,285 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-18 00:22:16,588 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:22:16,796 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:22:16,982 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:22:17,553 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-18 00:22:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:18,119 INFO L93 Difference]: Finished difference Result 25754 states and 59301 transitions. [2020-12-18 00:22:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-18 00:22:18,120 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:18,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:18,122 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=333, Invalid=927, Unknown=0, NotChecked=0, Total=1260 [2020-12-18 00:22:18,122 INFO L78 Accepts]: Start accepts. Automaton has 25754 states and 59301 transitions. Word has length 109 [2020-12-18 00:22:18,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:18,122 INFO L481 AbstractCegarLoop]: Abstraction has 25754 states and 59301 transitions. [2020-12-18 00:22:18,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 25754 states and 59301 transitions. [2020-12-18 00:22:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:18,151 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:18,151 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:18,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-18 00:22:18,151 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:18,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:18,152 INFO L82 PathProgramCache]: Analyzing trace with hash 42705411, now seen corresponding path program 16 times [2020-12-18 00:22:18,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:18,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324487883] [2020-12-18 00:22:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:18,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324487883] [2020-12-18 00:22:18,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:18,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:18,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863206584] [2020-12-18 00:22:18,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:18,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:18,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:18,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:18,944 INFO L87 Difference]: Start difference. First operand 25754 states and 59301 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:19,977 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:22:20,291 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:22:20,524 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:22:21,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:21,605 INFO L93 Difference]: Finished difference Result 25790 states and 59337 transitions. [2020-12-18 00:22:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:22:21,606 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:21,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:21,608 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:22:21,608 INFO L78 Accepts]: Start accepts. Automaton has 25790 states and 59337 transitions. Word has length 109 [2020-12-18 00:22:21,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:21,608 INFO L481 AbstractCegarLoop]: Abstraction has 25790 states and 59337 transitions. [2020-12-18 00:22:21,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 25790 states and 59337 transitions. [2020-12-18 00:22:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:21,629 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:21,630 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:21,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-18 00:22:21,630 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:21,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:21,630 INFO L82 PathProgramCache]: Analyzing trace with hash 674820391, now seen corresponding path program 17 times [2020-12-18 00:22:21,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:21,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762855752] [2020-12-18 00:22:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:22,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762855752] [2020-12-18 00:22:22,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:22,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:22,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96745022] [2020-12-18 00:22:22,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:22,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:22,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:22,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:22,439 INFO L87 Difference]: Start difference. First operand 25790 states and 59337 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:23,482 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:22:23,653 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:22:23,853 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:22:24,046 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:22:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:25,280 INFO L93 Difference]: Finished difference Result 25826 states and 59373 transitions. [2020-12-18 00:22:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:22:25,281 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:25,282 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=298, Invalid=892, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:22:25,283 INFO L78 Accepts]: Start accepts. Automaton has 25826 states and 59373 transitions. Word has length 109 [2020-12-18 00:22:25,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:25,283 INFO L481 AbstractCegarLoop]: Abstraction has 25826 states and 59373 transitions. [2020-12-18 00:22:25,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 25826 states and 59373 transitions. [2020-12-18 00:22:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:25,306 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:25,306 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:25,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-18 00:22:25,306 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:25,306 INFO L82 PathProgramCache]: Analyzing trace with hash 2128428479, now seen corresponding path program 18 times [2020-12-18 00:22:25,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:25,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278468258] [2020-12-18 00:22:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:26,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278468258] [2020-12-18 00:22:26,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:26,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:26,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766468523] [2020-12-18 00:22:26,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:26,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:26,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:26,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:26,256 INFO L87 Difference]: Start difference. First operand 25826 states and 59373 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:27,326 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:22:27,466 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:22:27,623 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:22:27,837 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:22:28,033 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:22:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:29,224 INFO L93 Difference]: Finished difference Result 25822 states and 59369 transitions. [2020-12-18 00:22:29,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-18 00:22:29,225 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:29,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:29,227 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2020-12-18 00:22:29,227 INFO L78 Accepts]: Start accepts. Automaton has 25822 states and 59369 transitions. Word has length 109 [2020-12-18 00:22:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:29,227 INFO L481 AbstractCegarLoop]: Abstraction has 25822 states and 59369 transitions. [2020-12-18 00:22:29,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25822 states and 59369 transitions. [2020-12-18 00:22:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:29,251 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:29,251 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:29,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-18 00:22:29,251 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:29,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:29,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1841603383, now seen corresponding path program 2 times [2020-12-18 00:22:29,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:29,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246938177] [2020-12-18 00:22:29,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:29,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246938177] [2020-12-18 00:22:29,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:29,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:29,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476730014] [2020-12-18 00:22:29,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:29,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:29,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:29,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:29,734 INFO L87 Difference]: Start difference. First operand 25822 states and 59369 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:31,867 INFO L93 Difference]: Finished difference Result 29544 states and 67646 transitions. [2020-12-18 00:22:31,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-18 00:22:31,868 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:31,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:31,869 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=530, Invalid=1110, Unknown=0, NotChecked=0, Total=1640 [2020-12-18 00:22:31,869 INFO L78 Accepts]: Start accepts. Automaton has 29544 states and 67646 transitions. Word has length 109 [2020-12-18 00:22:31,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:31,870 INFO L481 AbstractCegarLoop]: Abstraction has 29544 states and 67646 transitions. [2020-12-18 00:22:31,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 29544 states and 67646 transitions. [2020-12-18 00:22:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:31,894 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:31,894 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:31,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-18 00:22:31,894 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:31,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1039478255, now seen corresponding path program 19 times [2020-12-18 00:22:31,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:31,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221987333] [2020-12-18 00:22:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:32,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221987333] [2020-12-18 00:22:32,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:32,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:32,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498325130] [2020-12-18 00:22:32,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:32,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:32,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:32,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:32,884 INFO L87 Difference]: Start difference. First operand 29544 states and 67646 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:33,558 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-12-18 00:22:33,741 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-18 00:22:33,996 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-18 00:22:34,423 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-18 00:22:34,802 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-18 00:22:34,989 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-18 00:22:35,156 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-18 00:22:35,342 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-12-18 00:22:35,503 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-12-18 00:22:35,685 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-12-18 00:22:35,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:35,718 INFO L93 Difference]: Finished difference Result 29717 states and 67951 transitions. [2020-12-18 00:22:35,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-18 00:22:35,718 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:35,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:35,720 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2020-12-18 00:22:35,720 INFO L78 Accepts]: Start accepts. Automaton has 29717 states and 67951 transitions. Word has length 109 [2020-12-18 00:22:35,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:35,720 INFO L481 AbstractCegarLoop]: Abstraction has 29717 states and 67951 transitions. [2020-12-18 00:22:35,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29717 states and 67951 transitions. [2020-12-18 00:22:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:35,746 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:35,746 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:35,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-18 00:22:35,746 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:35,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:35,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1684546053, now seen corresponding path program 20 times [2020-12-18 00:22:35,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:35,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533670014] [2020-12-18 00:22:35,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:36,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533670014] [2020-12-18 00:22:36,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:36,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:36,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258336093] [2020-12-18 00:22:36,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:36,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:36,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:36,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:36,455 INFO L87 Difference]: Start difference. First operand 29717 states and 67951 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:37,322 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-18 00:22:37,578 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-18 00:22:37,984 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-18 00:22:38,178 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-12-18 00:22:38,773 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-18 00:22:38,948 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-12-18 00:22:39,098 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-12-18 00:22:39,274 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-18 00:22:39,435 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-18 00:22:39,615 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-12-18 00:22:39,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:39,652 INFO L93 Difference]: Finished difference Result 29713 states and 67947 transitions. [2020-12-18 00:22:39,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:22:39,653 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:39,654 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=308, Invalid=814, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:22:39,654 INFO L78 Accepts]: Start accepts. Automaton has 29713 states and 67947 transitions. Word has length 109 [2020-12-18 00:22:39,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:39,655 INFO L481 AbstractCegarLoop]: Abstraction has 29713 states and 67947 transitions. [2020-12-18 00:22:39,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 29713 states and 67947 transitions. [2020-12-18 00:22:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:39,675 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:39,675 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:39,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-18 00:22:39,675 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:39,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1530843013, now seen corresponding path program 21 times [2020-12-18 00:22:39,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:39,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508555088] [2020-12-18 00:22:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:40,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508555088] [2020-12-18 00:22:40,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:40,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:40,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041181813] [2020-12-18 00:22:40,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:40,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:40,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:40,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:40,460 INFO L87 Difference]: Start difference. First operand 29713 states and 67947 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:41,650 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-18 00:22:41,829 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-18 00:22:42,061 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-18 00:22:42,470 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-18 00:22:42,628 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-12-18 00:22:42,784 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-18 00:22:43,027 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-12-18 00:22:43,349 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-18 00:22:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:43,607 INFO L93 Difference]: Finished difference Result 29709 states and 67943 transitions. [2020-12-18 00:22:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:22:43,608 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:43,609 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:22:43,609 INFO L78 Accepts]: Start accepts. Automaton has 29709 states and 67943 transitions. Word has length 109 [2020-12-18 00:22:43,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:43,610 INFO L481 AbstractCegarLoop]: Abstraction has 29709 states and 67943 transitions. [2020-12-18 00:22:43,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29709 states and 67943 transitions. [2020-12-18 00:22:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:43,629 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:43,630 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:43,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-18 00:22:43,630 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:43,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:43,630 INFO L82 PathProgramCache]: Analyzing trace with hash 226642997, now seen corresponding path program 22 times [2020-12-18 00:22:43,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:43,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250744867] [2020-12-18 00:22:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:44,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250744867] [2020-12-18 00:22:44,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:44,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:22:44,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537466715] [2020-12-18 00:22:44,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:22:44,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:44,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:22:44,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:22:44,188 INFO L87 Difference]: Start difference. First operand 29709 states and 67943 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:45,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:45,624 INFO L93 Difference]: Finished difference Result 30043 states and 68419 transitions. [2020-12-18 00:22:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-18 00:22:45,625 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:45,626 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2020-12-18 00:22:45,626 INFO L78 Accepts]: Start accepts. Automaton has 30043 states and 68419 transitions. Word has length 109 [2020-12-18 00:22:45,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:45,626 INFO L481 AbstractCegarLoop]: Abstraction has 30043 states and 68419 transitions. [2020-12-18 00:22:45,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30043 states and 68419 transitions. [2020-12-18 00:22:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:45,662 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:45,662 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:45,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-18 00:22:45,662 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:45,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:45,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1447469441, now seen corresponding path program 23 times [2020-12-18 00:22:45,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:45,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976625312] [2020-12-18 00:22:45,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:46,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976625312] [2020-12-18 00:22:46,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:46,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:46,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734351125] [2020-12-18 00:22:46,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:46,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:46,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:46,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:46,502 INFO L87 Difference]: Start difference. First operand 30043 states and 68419 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:47,568 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-18 00:22:47,757 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-18 00:22:48,006 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-18 00:22:48,513 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-18 00:22:49,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:49,092 INFO L93 Difference]: Finished difference Result 31872 states and 72033 transitions. [2020-12-18 00:22:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:22:49,093 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:49,094 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:22:49,094 INFO L78 Accepts]: Start accepts. Automaton has 31872 states and 72033 transitions. Word has length 109 [2020-12-18 00:22:49,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:49,095 INFO L481 AbstractCegarLoop]: Abstraction has 31872 states and 72033 transitions. [2020-12-18 00:22:49,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31872 states and 72033 transitions. [2020-12-18 00:22:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:49,118 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:49,118 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:49,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-18 00:22:49,119 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:49,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:49,119 INFO L82 PathProgramCache]: Analyzing trace with hash -853708361, now seen corresponding path program 3 times [2020-12-18 00:22:49,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:49,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641513395] [2020-12-18 00:22:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:49,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641513395] [2020-12-18 00:22:49,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:49,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:49,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261782693] [2020-12-18 00:22:49,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:49,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:49,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:49,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:49,568 INFO L87 Difference]: Start difference. First operand 31872 states and 72033 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:51,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:51,657 INFO L93 Difference]: Finished difference Result 31924 states and 72068 transitions. [2020-12-18 00:22:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-18 00:22:51,657 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:51,659 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=561, Invalid=1161, Unknown=0, NotChecked=0, Total=1722 [2020-12-18 00:22:51,659 INFO L78 Accepts]: Start accepts. Automaton has 31924 states and 72068 transitions. Word has length 109 [2020-12-18 00:22:51,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:51,659 INFO L481 AbstractCegarLoop]: Abstraction has 31924 states and 72068 transitions. [2020-12-18 00:22:51,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand 31924 states and 72068 transitions. [2020-12-18 00:22:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:51,685 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:51,685 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:51,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-18 00:22:51,685 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:51,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:51,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1655833489, now seen corresponding path program 24 times [2020-12-18 00:22:51,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:51,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261165776] [2020-12-18 00:22:51,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:52,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261165776] [2020-12-18 00:22:52,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:52,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:52,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113822258] [2020-12-18 00:22:52,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:52,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:52,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:52,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:52,456 INFO L87 Difference]: Start difference. First operand 31924 states and 72068 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:53,503 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-18 00:22:53,795 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-12-18 00:22:54,302 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-18 00:22:54,746 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-18 00:22:54,933 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-18 00:22:55,098 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-18 00:22:55,285 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:22:55,460 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-12-18 00:22:55,662 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-18 00:22:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:55,697 INFO L93 Difference]: Finished difference Result 35317 states and 79952 transitions. [2020-12-18 00:22:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-18 00:22:55,698 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:55,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:55,700 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2020-12-18 00:22:55,700 INFO L78 Accepts]: Start accepts. Automaton has 35317 states and 79952 transitions. Word has length 109 [2020-12-18 00:22:55,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:55,701 INFO L481 AbstractCegarLoop]: Abstraction has 35317 states and 79952 transitions. [2020-12-18 00:22:55,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 35317 states and 79952 transitions. [2020-12-18 00:22:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:55,736 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:55,736 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:55,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-18 00:22:55,736 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:55,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:55,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1010765691, now seen corresponding path program 25 times [2020-12-18 00:22:55,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:55,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817783484] [2020-12-18 00:22:55,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:22:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:22:56,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817783484] [2020-12-18 00:22:56,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:22:56,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:22:56,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102492531] [2020-12-18 00:22:56,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:22:56,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:22:56,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:22:56,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:22:56,595 INFO L87 Difference]: Start difference. First operand 35317 states and 79952 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:57,492 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-18 00:22:57,773 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-18 00:22:58,219 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-12-18 00:22:58,419 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:22:58,869 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-18 00:22:59,049 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-18 00:22:59,385 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-12-18 00:22:59,560 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2020-12-18 00:22:59,717 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:22:59,906 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-18 00:22:59,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:22:59,942 INFO L93 Difference]: Finished difference Result 35367 states and 80002 transitions. [2020-12-18 00:22:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:22:59,943 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:22:59,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:22:59,944 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=307, Invalid=815, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:22:59,944 INFO L78 Accepts]: Start accepts. Automaton has 35367 states and 80002 transitions. Word has length 109 [2020-12-18 00:22:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:22:59,945 INFO L481 AbstractCegarLoop]: Abstraction has 35367 states and 80002 transitions. [2020-12-18 00:22:59,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:22:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 35367 states and 80002 transitions. [2020-12-18 00:22:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:22:59,971 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:22:59,971 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:22:59,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-18 00:22:59,972 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:22:59,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:22:59,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1164468731, now seen corresponding path program 26 times [2020-12-18 00:22:59,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:22:59,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387765782] [2020-12-18 00:22:59,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:22:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:00,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387765782] [2020-12-18 00:23:00,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:00,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:00,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184699927] [2020-12-18 00:23:00,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:00,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:00,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:00,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:00,758 INFO L87 Difference]: Start difference. First operand 35367 states and 80002 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:02,037 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:23:02,205 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:23:02,431 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:23:02,870 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-18 00:23:03,037 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-18 00:23:03,196 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-18 00:23:03,444 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-18 00:23:03,611 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-18 00:23:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:03,882 INFO L93 Difference]: Finished difference Result 35363 states and 79998 transitions. [2020-12-18 00:23:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:03,883 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:03,884 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=296, Invalid=826, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:03,884 INFO L78 Accepts]: Start accepts. Automaton has 35363 states and 79998 transitions. Word has length 109 [2020-12-18 00:23:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:03,884 INFO L481 AbstractCegarLoop]: Abstraction has 35363 states and 79998 transitions. [2020-12-18 00:23:03,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 35363 states and 79998 transitions. [2020-12-18 00:23:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:03,928 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:03,928 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:03,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-18 00:23:03,929 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:03,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1904380469, now seen corresponding path program 27 times [2020-12-18 00:23:03,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:03,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575476413] [2020-12-18 00:23:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:05,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575476413] [2020-12-18 00:23:05,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:05,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:05,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751999229] [2020-12-18 00:23:05,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:05,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:05,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:05,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:05,124 INFO L87 Difference]: Start difference. First operand 35363 states and 79998 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:06,162 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:23:06,344 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:23:06,839 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:23:07,016 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-12-18 00:23:07,474 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:23:07,643 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:23:07,796 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:23:07,973 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:23:08,105 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:23:08,256 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:23:08,422 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:23:08,587 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:23:08,735 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:23:08,876 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:23:09,200 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:23:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:09,258 INFO L93 Difference]: Finished difference Result 35719 states and 80616 transitions. [2020-12-18 00:23:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-18 00:23:09,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:09,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:09,261 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=496, Invalid=1144, Unknown=0, NotChecked=0, Total=1640 [2020-12-18 00:23:09,261 INFO L78 Accepts]: Start accepts. Automaton has 35719 states and 80616 transitions. Word has length 109 [2020-12-18 00:23:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:09,262 INFO L481 AbstractCegarLoop]: Abstraction has 35719 states and 80616 transitions. [2020-12-18 00:23:09,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 35719 states and 80616 transitions. [2020-12-18 00:23:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:09,290 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:09,291 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:09,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-18 00:23:09,291 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:09,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1259312671, now seen corresponding path program 28 times [2020-12-18 00:23:09,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:09,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717958944] [2020-12-18 00:23:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:10,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717958944] [2020-12-18 00:23:10,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:10,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:10,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936731810] [2020-12-18 00:23:10,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:10,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:10,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:10,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:10,231 INFO L87 Difference]: Start difference. First operand 35719 states and 80616 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:11,204 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:23:11,436 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:23:11,629 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:23:12,174 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:23:12,359 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:23:12,540 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:23:13,104 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:23:13,280 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:23:13,440 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:23:13,621 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:23:13,757 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:23:13,912 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:23:14,084 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:23:14,253 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:23:14,409 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:23:14,554 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:23:14,895 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:23:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:14,964 INFO L93 Difference]: Finished difference Result 35715 states and 80612 transitions. [2020-12-18 00:23:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-18 00:23:14,965 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:14,966 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=483, Invalid=1239, Unknown=0, NotChecked=0, Total=1722 [2020-12-18 00:23:14,966 INFO L78 Accepts]: Start accepts. Automaton has 35715 states and 80612 transitions. Word has length 109 [2020-12-18 00:23:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:14,967 INFO L481 AbstractCegarLoop]: Abstraction has 35715 states and 80612 transitions. [2020-12-18 00:23:14,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:14,967 INFO L276 IsEmpty]: Start isEmpty. Operand 35715 states and 80612 transitions. [2020-12-18 00:23:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:15,161 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:15,161 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:15,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-18 00:23:15,161 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:15,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:15,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1053315269, now seen corresponding path program 29 times [2020-12-18 00:23:15,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:15,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942843336] [2020-12-18 00:23:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:16,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942843336] [2020-12-18 00:23:16,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:16,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:16,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061120516] [2020-12-18 00:23:16,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:16,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:16,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:16,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:16,043 INFO L87 Difference]: Start difference. First operand 35715 states and 80612 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:16,914 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-18 00:23:17,177 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:23:17,622 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-18 00:23:17,812 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:23:18,012 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:23:18,216 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:23:18,832 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:23:18,995 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:23:19,137 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:23:19,416 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:23:19,568 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:23:19,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:19,671 INFO L93 Difference]: Finished difference Result 35711 states and 80608 transitions. [2020-12-18 00:23:19,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:23:19,672 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:19,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:19,673 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=321, Invalid=869, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:23:19,673 INFO L78 Accepts]: Start accepts. Automaton has 35711 states and 80608 transitions. Word has length 109 [2020-12-18 00:23:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:19,674 INFO L481 AbstractCegarLoop]: Abstraction has 35711 states and 80608 transitions. [2020-12-18 00:23:19,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 35711 states and 80608 transitions. [2020-12-18 00:23:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:19,706 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:19,706 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:19,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-18 00:23:19,706 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:19,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:19,707 INFO L82 PathProgramCache]: Analyzing trace with hash -581811171, now seen corresponding path program 30 times [2020-12-18 00:23:19,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:19,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917644138] [2020-12-18 00:23:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:20,280 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2020-12-18 00:23:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:20,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917644138] [2020-12-18 00:23:20,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:20,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:20,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126937950] [2020-12-18 00:23:20,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:20,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:20,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:20,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:20,647 INFO L87 Difference]: Start difference. First operand 35711 states and 80608 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:21,746 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:23:21,934 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:23:22,176 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:23:22,903 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-18 00:23:23,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:23,495 INFO L93 Difference]: Finished difference Result 35747 states and 80644 transitions. [2020-12-18 00:23:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:23,499 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:23,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:23,500 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:23,501 INFO L78 Accepts]: Start accepts. Automaton has 35747 states and 80644 transitions. Word has length 109 [2020-12-18 00:23:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:23,501 INFO L481 AbstractCegarLoop]: Abstraction has 35747 states and 80644 transitions. [2020-12-18 00:23:23,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35747 states and 80644 transitions. [2020-12-18 00:23:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:23,536 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:23,536 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:23,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-18 00:23:23,537 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:23,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:23,537 INFO L82 PathProgramCache]: Analyzing trace with hash 50303809, now seen corresponding path program 31 times [2020-12-18 00:23:23,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:23,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187739173] [2020-12-18 00:23:23,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:24,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187739173] [2020-12-18 00:23:24,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:24,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:24,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766308775] [2020-12-18 00:23:24,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:24,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:24,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:24,341 INFO L87 Difference]: Start difference. First operand 35747 states and 80644 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:25,489 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:23:25,667 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:23:25,991 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:23:26,187 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:23:26,971 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-18 00:23:27,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:27,567 INFO L93 Difference]: Finished difference Result 35743 states and 80640 transitions. [2020-12-18 00:23:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:23:27,568 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:27,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:27,569 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:23:27,569 INFO L78 Accepts]: Start accepts. Automaton has 35743 states and 80640 transitions. Word has length 109 [2020-12-18 00:23:27,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:27,570 INFO L481 AbstractCegarLoop]: Abstraction has 35743 states and 80640 transitions. [2020-12-18 00:23:27,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 35743 states and 80640 transitions. [2020-12-18 00:23:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:27,596 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:27,597 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:27,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-12-18 00:23:27,597 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1085951995, now seen corresponding path program 32 times [2020-12-18 00:23:27,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:27,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238399831] [2020-12-18 00:23:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:28,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238399831] [2020-12-18 00:23:28,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:28,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:28,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278952976] [2020-12-18 00:23:28,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:28,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:28,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:28,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:28,439 INFO L87 Difference]: Start difference. First operand 35743 states and 80640 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:29,379 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-18 00:23:29,572 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-18 00:23:29,828 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-18 00:23:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:30,742 INFO L93 Difference]: Finished difference Result 37454 states and 84055 transitions. [2020-12-18 00:23:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:30,744 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:30,744 INFO L78 Accepts]: Start accepts. Automaton has 37454 states and 84055 transitions. Word has length 109 [2020-12-18 00:23:30,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:30,745 INFO L481 AbstractCegarLoop]: Abstraction has 37454 states and 84055 transitions. [2020-12-18 00:23:30,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 37454 states and 84055 transitions. [2020-12-18 00:23:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:30,773 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:30,774 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:30,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-18 00:23:30,774 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:30,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:30,774 INFO L82 PathProgramCache]: Analyzing trace with hash -428295709, now seen corresponding path program 33 times [2020-12-18 00:23:30,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:30,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847370961] [2020-12-18 00:23:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:31,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847370961] [2020-12-18 00:23:31,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:31,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:31,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885891507] [2020-12-18 00:23:31,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:31,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:31,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:31,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:31,785 INFO L87 Difference]: Start difference. First operand 37454 states and 84055 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:32,768 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:23:32,963 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:23:33,216 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:23:34,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:34,153 INFO L93 Difference]: Finished difference Result 37490 states and 84091 transitions. [2020-12-18 00:23:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:34,154 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:34,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:34,156 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:34,156 INFO L78 Accepts]: Start accepts. Automaton has 37490 states and 84091 transitions. Word has length 109 [2020-12-18 00:23:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:34,156 INFO L481 AbstractCegarLoop]: Abstraction has 37490 states and 84091 transitions. [2020-12-18 00:23:34,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 37490 states and 84091 transitions. [2020-12-18 00:23:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:34,185 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:34,185 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:34,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-18 00:23:34,185 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:34,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:34,186 INFO L82 PathProgramCache]: Analyzing trace with hash 203819271, now seen corresponding path program 34 times [2020-12-18 00:23:34,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:34,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617410012] [2020-12-18 00:23:34,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:34,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617410012] [2020-12-18 00:23:34,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:34,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:34,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298795886] [2020-12-18 00:23:34,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:34,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:34,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:34,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:34,993 INFO L87 Difference]: Start difference. First operand 37490 states and 84091 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:36,248 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:23:36,435 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:23:36,642 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:23:36,837 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:23:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:37,865 INFO L93 Difference]: Finished difference Result 37486 states and 84087 transitions. [2020-12-18 00:23:37,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:23:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:37,867 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=299, Invalid=891, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:23:37,867 INFO L78 Accepts]: Start accepts. Automaton has 37486 states and 84087 transitions. Word has length 109 [2020-12-18 00:23:37,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:37,867 INFO L481 AbstractCegarLoop]: Abstraction has 37486 states and 84087 transitions. [2020-12-18 00:23:37,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 37486 states and 84087 transitions. [2020-12-18 00:23:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:37,896 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:37,896 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:37,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-18 00:23:37,896 INFO L429 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:37,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:37,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1263144195, now seen corresponding path program 35 times [2020-12-18 00:23:37,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:37,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949183499] [2020-12-18 00:23:37,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:38,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949183499] [2020-12-18 00:23:38,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:38,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:38,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933332890] [2020-12-18 00:23:38,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:38,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:38,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:38,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:38,683 INFO L87 Difference]: Start difference. First operand 37486 states and 84087 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:39,631 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-18 00:23:39,846 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-18 00:23:40,138 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-18 00:23:40,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:40,986 INFO L93 Difference]: Finished difference Result 37482 states and 84083 transitions. [2020-12-18 00:23:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:40,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:40,988 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=264, Invalid=858, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:40,988 INFO L78 Accepts]: Start accepts. Automaton has 37482 states and 84083 transitions. Word has length 109 [2020-12-18 00:23:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:40,989 INFO L481 AbstractCegarLoop]: Abstraction has 37482 states and 84083 transitions. [2020-12-18 00:23:40,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 37482 states and 84083 transitions. [2020-12-18 00:23:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:41,018 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:41,018 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:41,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-12-18 00:23:41,018 INFO L429 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:41,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:41,019 INFO L82 PathProgramCache]: Analyzing trace with hash -605487909, now seen corresponding path program 36 times [2020-12-18 00:23:41,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:41,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517363941] [2020-12-18 00:23:41,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:41,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517363941] [2020-12-18 00:23:41,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:41,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:41,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460905572] [2020-12-18 00:23:41,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:41,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:41,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:41,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:41,938 INFO L87 Difference]: Start difference. First operand 37482 states and 84083 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:42,849 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:23:43,053 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:23:43,322 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:23:44,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:44,173 INFO L93 Difference]: Finished difference Result 37518 states and 84119 transitions. [2020-12-18 00:23:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:44,174 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:44,175 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:44,175 INFO L78 Accepts]: Start accepts. Automaton has 37518 states and 84119 transitions. Word has length 109 [2020-12-18 00:23:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:44,176 INFO L481 AbstractCegarLoop]: Abstraction has 37518 states and 84119 transitions. [2020-12-18 00:23:44,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 37518 states and 84119 transitions. [2020-12-18 00:23:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:44,204 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:44,205 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:44,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-12-18 00:23:44,205 INFO L429 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:44,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:44,205 INFO L82 PathProgramCache]: Analyzing trace with hash 26627071, now seen corresponding path program 37 times [2020-12-18 00:23:44,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:44,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17159061] [2020-12-18 00:23:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:44,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17159061] [2020-12-18 00:23:44,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:44,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:44,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850439475] [2020-12-18 00:23:44,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:44,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:44,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:44,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:44,961 INFO L87 Difference]: Start difference. First operand 37518 states and 84119 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:45,908 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:23:46,273 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:23:46,490 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:23:46,692 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:23:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:47,606 INFO L93 Difference]: Finished difference Result 37514 states and 84115 transitions. [2020-12-18 00:23:47,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:23:47,607 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:47,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:47,608 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:23:47,608 INFO L78 Accepts]: Start accepts. Automaton has 37514 states and 84115 transitions. Word has length 109 [2020-12-18 00:23:47,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:47,609 INFO L481 AbstractCegarLoop]: Abstraction has 37514 states and 84115 transitions. [2020-12-18 00:23:47,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 37514 states and 84115 transitions. [2020-12-18 00:23:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:47,637 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:47,637 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:47,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-18 00:23:47,638 INFO L429 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:47,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:47,638 INFO L82 PathProgramCache]: Analyzing trace with hash 608962849, now seen corresponding path program 38 times [2020-12-18 00:23:47,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:47,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975053081] [2020-12-18 00:23:47,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:48,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975053081] [2020-12-18 00:23:48,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:48,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:48,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200456495] [2020-12-18 00:23:48,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:48,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:48,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:48,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:48,450 INFO L87 Difference]: Start difference. First operand 37514 states and 84115 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:49,561 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-12-18 00:23:49,780 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:23:50,074 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:23:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:51,027 INFO L93 Difference]: Finished difference Result 37550 states and 84151 transitions. [2020-12-18 00:23:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-18 00:23:51,028 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:51,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:51,029 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:23:51,029 INFO L78 Accepts]: Start accepts. Automaton has 37550 states and 84151 transitions. Word has length 109 [2020-12-18 00:23:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:51,029 INFO L481 AbstractCegarLoop]: Abstraction has 37550 states and 84151 transitions. [2020-12-18 00:23:51,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 37550 states and 84151 transitions. [2020-12-18 00:23:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:51,058 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:51,058 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:51,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-18 00:23:51,059 INFO L429 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:51,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1241077829, now seen corresponding path program 39 times [2020-12-18 00:23:51,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:51,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660715918] [2020-12-18 00:23:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:51,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660715918] [2020-12-18 00:23:51,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:51,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:51,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907981525] [2020-12-18 00:23:51,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:51,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:51,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:51,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:51,976 INFO L87 Difference]: Start difference. First operand 37550 states and 84151 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:52,944 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:23:53,135 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:23:53,353 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:23:53,558 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:23:54,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:54,524 INFO L93 Difference]: Finished difference Result 37586 states and 84187 transitions. [2020-12-18 00:23:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:23:54,525 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:54,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:54,526 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=287, Invalid=903, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:23:54,526 INFO L78 Accepts]: Start accepts. Automaton has 37586 states and 84187 transitions. Word has length 109 [2020-12-18 00:23:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:54,526 INFO L481 AbstractCegarLoop]: Abstraction has 37586 states and 84187 transitions. [2020-12-18 00:23:54,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 37586 states and 84187 transitions. [2020-12-18 00:23:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-18 00:23:54,556 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:54,556 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:54,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-12-18 00:23:54,556 INFO L429 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:54,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:54,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1600281379, now seen corresponding path program 40 times [2020-12-18 00:23:54,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:54,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020151451] [2020-12-18 00:23:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:55,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020151451] [2020-12-18 00:23:55,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:55,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-12-18 00:23:55,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405754625] [2020-12-18 00:23:55,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-18 00:23:55,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:55,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-18 00:23:55,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-12-18 00:23:55,432 INFO L87 Difference]: Start difference. First operand 37586 states and 84187 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:56,449 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-12-18 00:23:56,656 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:23:56,790 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-18 00:23:56,973 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:23:57,207 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:23:57,419 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:23:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:23:58,360 INFO L93 Difference]: Finished difference Result 37582 states and 84183 transitions. [2020-12-18 00:23:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-18 00:23:58,361 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2020-12-18 00:23:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:23:58,362 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2020-12-18 00:23:58,363 INFO L78 Accepts]: Start accepts. Automaton has 37582 states and 84183 transitions. Word has length 109 [2020-12-18 00:23:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:23:58,363 INFO L481 AbstractCegarLoop]: Abstraction has 37582 states and 84183 transitions. [2020-12-18 00:23:58,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:23:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 37582 states and 84183 transitions. [2020-12-18 00:23:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:23:58,393 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:23:58,394 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:23:58,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-12-18 00:23:58,394 INFO L429 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:23:58,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:23:58,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1698704721, now seen corresponding path program 1 times [2020-12-18 00:23:58,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:23:58,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237892825] [2020-12-18 00:23:58,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:23:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:23:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:23:58,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237892825] [2020-12-18 00:23:58,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:23:58,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:23:58,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566051516] [2020-12-18 00:23:58,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:23:58,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:23:58,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:23:58,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:23:58,879 INFO L87 Difference]: Start difference. First operand 37582 states and 84183 transitions. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:00,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:00,367 INFO L93 Difference]: Finished difference Result 40684 states and 91191 transitions. [2020-12-18 00:24:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-18 00:24:00,367 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:00,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:00,368 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2020-12-18 00:24:00,368 INFO L78 Accepts]: Start accepts. Automaton has 40684 states and 91191 transitions. Word has length 115 [2020-12-18 00:24:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:00,369 INFO L481 AbstractCegarLoop]: Abstraction has 40684 states and 91191 transitions. [2020-12-18 00:24:00,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 40684 states and 91191 transitions. [2020-12-18 00:24:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:00,401 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:00,401 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:00,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-12-18 00:24:00,401 INFO L429 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:00,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:00,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1397835533, now seen corresponding path program 2 times [2020-12-18 00:24:00,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:00,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031241991] [2020-12-18 00:24:00,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:01,831 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2020-12-18 00:24:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:02,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031241991] [2020-12-18 00:24:02,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:02,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:02,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621946009] [2020-12-18 00:24:02,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:02,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:02,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:02,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:02,485 INFO L87 Difference]: Start difference. First operand 40684 states and 91191 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:03,448 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:03,702 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:24:04,291 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:24:04,565 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:24:04,904 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-18 00:24:05,524 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:24:05,808 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:06,016 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:06,488 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:24:06,663 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:24:06,865 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:07,055 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:07,258 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:07,410 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:08,143 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:24:08,315 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:08,491 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:10,265 INFO L93 Difference]: Finished difference Result 43961 states and 98349 transitions. [2020-12-18 00:24:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-18 00:24:10,266 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:10,267 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=717, Invalid=3189, Unknown=0, NotChecked=0, Total=3906 [2020-12-18 00:24:10,267 INFO L78 Accepts]: Start accepts. Automaton has 43961 states and 98349 transitions. Word has length 115 [2020-12-18 00:24:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:10,268 INFO L481 AbstractCegarLoop]: Abstraction has 43961 states and 98349 transitions. [2020-12-18 00:24:10,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 43961 states and 98349 transitions. [2020-12-18 00:24:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:10,299 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:10,299 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:10,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-12-18 00:24:10,300 INFO L429 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:10,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:10,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1685331195, now seen corresponding path program 3 times [2020-12-18 00:24:10,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:10,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960855919] [2020-12-18 00:24:10,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:12,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960855919] [2020-12-18 00:24:12,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:12,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:12,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147435389] [2020-12-18 00:24:12,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:12,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:12,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:12,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:12,200 INFO L87 Difference]: Start difference. First operand 43961 states and 98349 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:13,110 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:13,351 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:24:13,929 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:24:14,179 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:24:14,547 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-18 00:24:15,118 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:24:15,384 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:15,577 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:16,034 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:24:16,391 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:16,578 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:16,791 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:16,946 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:17,567 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-18 00:24:17,756 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:17,949 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:24:18,153 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:24:18,349 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:20,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:20,187 INFO L93 Difference]: Finished difference Result 44305 states and 98941 transitions. [2020-12-18 00:24:20,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-12-18 00:24:20,188 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:20,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:20,190 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=750, Invalid=3410, Unknown=0, NotChecked=0, Total=4160 [2020-12-18 00:24:20,190 INFO L78 Accepts]: Start accepts. Automaton has 44305 states and 98941 transitions. Word has length 115 [2020-12-18 00:24:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:20,191 INFO L481 AbstractCegarLoop]: Abstraction has 44305 states and 98941 transitions. [2020-12-18 00:24:20,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 44305 states and 98941 transitions. [2020-12-18 00:24:20,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:20,224 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:20,224 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:20,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-12-18 00:24:20,224 INFO L429 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:20,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:20,225 INFO L82 PathProgramCache]: Analyzing trace with hash 488327277, now seen corresponding path program 4 times [2020-12-18 00:24:20,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:20,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855078434] [2020-12-18 00:24:20,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:21,397 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-18 00:24:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:22,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855078434] [2020-12-18 00:24:22,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:22,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:22,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473491784] [2020-12-18 00:24:22,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:22,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:22,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:22,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:22,207 INFO L87 Difference]: Start difference. First operand 44305 states and 98941 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:23,100 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:23,343 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:24:23,896 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:24:24,147 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:24:24,449 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-18 00:24:24,978 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:24:25,228 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:25,423 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:25,823 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:24:26,253 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-12-18 00:24:26,433 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-18 00:24:26,767 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-18 00:24:26,959 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-18 00:24:27,199 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:24:27,376 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:24:27,553 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:24:28,353 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-18 00:24:28,601 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-18 00:24:30,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:30,016 INFO L93 Difference]: Finished difference Result 45004 states and 100142 transitions. [2020-12-18 00:24:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-18 00:24:30,019 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:30,020 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=677, Invalid=3229, Unknown=0, NotChecked=0, Total=3906 [2020-12-18 00:24:30,020 INFO L78 Accepts]: Start accepts. Automaton has 45004 states and 100142 transitions. Word has length 115 [2020-12-18 00:24:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:30,020 INFO L481 AbstractCegarLoop]: Abstraction has 45004 states and 100142 transitions. [2020-12-18 00:24:30,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 45004 states and 100142 transitions. [2020-12-18 00:24:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:30,049 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:30,049 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:30,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-12-18 00:24:30,049 INFO L429 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:30,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:30,049 INFO L82 PathProgramCache]: Analyzing trace with hash 305954835, now seen corresponding path program 5 times [2020-12-18 00:24:30,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:30,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230519807] [2020-12-18 00:24:30,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:31,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230519807] [2020-12-18 00:24:31,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:31,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:31,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168968579] [2020-12-18 00:24:31,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:31,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:31,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:31,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:31,952 INFO L87 Difference]: Start difference. First operand 45004 states and 100142 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:32,831 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:33,075 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:24:33,638 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:24:33,891 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:24:34,198 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-18 00:24:34,750 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:24:34,971 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:24:35,797 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2020-12-18 00:24:35,958 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:24:36,151 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:24:36,337 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:24:36,671 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-18 00:24:36,855 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:24:37,056 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-18 00:24:37,251 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:24:37,433 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-18 00:24:39,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:39,361 INFO L93 Difference]: Finished difference Result 46070 states and 102067 transitions. [2020-12-18 00:24:39,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-18 00:24:39,362 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:39,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:39,362 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=663, Invalid=2997, Unknown=0, NotChecked=0, Total=3660 [2020-12-18 00:24:39,363 INFO L78 Accepts]: Start accepts. Automaton has 46070 states and 102067 transitions. Word has length 115 [2020-12-18 00:24:39,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:39,363 INFO L481 AbstractCegarLoop]: Abstraction has 46070 states and 102067 transitions. [2020-12-18 00:24:39,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 46070 states and 102067 transitions. [2020-12-18 00:24:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:39,398 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:39,398 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:39,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-12-18 00:24:39,398 INFO L429 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:39,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:39,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1137774965, now seen corresponding path program 6 times [2020-12-18 00:24:39,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:39,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753534768] [2020-12-18 00:24:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:41,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753534768] [2020-12-18 00:24:41,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:41,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:41,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738105826] [2020-12-18 00:24:41,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:41,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:41,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:41,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:41,294 INFO L87 Difference]: Start difference. First operand 46070 states and 102067 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:42,141 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:42,488 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:24:43,039 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:24:43,321 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:24:43,618 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2020-12-18 00:24:44,484 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2020-12-18 00:24:44,837 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-18 00:24:45,058 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:24:45,250 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:24:45,508 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:24:45,693 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-18 00:24:45,874 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:24:46,079 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-18 00:24:46,266 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:24:46,453 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-18 00:24:48,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:48,370 INFO L93 Difference]: Finished difference Result 46470 states and 102610 transitions. [2020-12-18 00:24:48,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-18 00:24:48,371 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:48,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:48,372 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=635, Invalid=2905, Unknown=0, NotChecked=0, Total=3540 [2020-12-18 00:24:48,372 INFO L78 Accepts]: Start accepts. Automaton has 46470 states and 102610 transitions. Word has length 115 [2020-12-18 00:24:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:48,372 INFO L481 AbstractCegarLoop]: Abstraction has 46470 states and 102610 transitions. [2020-12-18 00:24:48,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 46470 states and 102610 transitions. [2020-12-18 00:24:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:48,408 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:48,408 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:48,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-12-18 00:24:48,409 INFO L429 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:48,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:48,409 INFO L82 PathProgramCache]: Analyzing trace with hash -2054582485, now seen corresponding path program 7 times [2020-12-18 00:24:48,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:48,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967960664] [2020-12-18 00:24:48,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:49,644 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-12-18 00:24:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:50,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967960664] [2020-12-18 00:24:50,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:50,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:50,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300409891] [2020-12-18 00:24:50,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:50,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:50,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:50,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:50,257 INFO L87 Difference]: Start difference. First operand 46470 states and 102610 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:51,139 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:51,376 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:24:51,916 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:24:52,170 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:24:52,622 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:24:52,959 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:24:53,125 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:24:53,374 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-18 00:24:53,554 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:24:53,726 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:54,215 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:54,395 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:24:54,917 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:24:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:24:56,641 INFO L93 Difference]: Finished difference Result 49384 states and 109462 transitions. [2020-12-18 00:24:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-18 00:24:56,642 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:24:56,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:24:56,644 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=620, Invalid=2802, Unknown=0, NotChecked=0, Total=3422 [2020-12-18 00:24:56,644 INFO L78 Accepts]: Start accepts. Automaton has 49384 states and 109462 transitions. Word has length 115 [2020-12-18 00:24:56,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:24:56,644 INFO L481 AbstractCegarLoop]: Abstraction has 49384 states and 109462 transitions. [2020-12-18 00:24:56,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49384 states and 109462 transitions. [2020-12-18 00:24:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:24:56,696 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:24:56,696 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:24:56,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-12-18 00:24:56,696 INFO L429 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:24:56,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:24:56,697 INFO L82 PathProgramCache]: Analyzing trace with hash -842781917, now seen corresponding path program 8 times [2020-12-18 00:24:56,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:24:56,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902015842] [2020-12-18 00:24:56,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:24:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:24:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:24:58,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902015842] [2020-12-18 00:24:58,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:24:58,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:24:58,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324404395] [2020-12-18 00:24:58,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:24:58,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:24:58,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:24:58,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:24:58,503 INFO L87 Difference]: Start difference. First operand 49384 states and 109462 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:24:59,405 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:24:59,660 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:00,245 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:00,504 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:00,996 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:01,345 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:25:01,516 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:01,774 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-18 00:25:01,961 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:02,131 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:25:02,660 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:25:02,854 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:25:03,404 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:25:03,596 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:05,514 INFO L93 Difference]: Finished difference Result 49522 states and 109682 transitions. [2020-12-18 00:25:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-18 00:25:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:05,516 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=628, Invalid=2912, Unknown=0, NotChecked=0, Total=3540 [2020-12-18 00:25:05,516 INFO L78 Accepts]: Start accepts. Automaton has 49522 states and 109682 transitions. Word has length 115 [2020-12-18 00:25:05,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:05,516 INFO L481 AbstractCegarLoop]: Abstraction has 49522 states and 109682 transitions. [2020-12-18 00:25:05,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49522 states and 109682 transitions. [2020-12-18 00:25:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:05,549 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:05,549 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:05,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-12-18 00:25:05,550 INFO L429 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:05,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:05,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1330876555, now seen corresponding path program 9 times [2020-12-18 00:25:05,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:05,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743585108] [2020-12-18 00:25:05,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:25:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:25:07,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743585108] [2020-12-18 00:25:07,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:25:07,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:25:07,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584422418] [2020-12-18 00:25:07,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:25:07,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:25:07,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:25:07,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:25:07,340 INFO L87 Difference]: Start difference. First operand 49522 states and 109682 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:08,240 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:25:08,492 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:09,078 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:09,340 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:09,832 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:10,174 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:25:10,338 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:10,594 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-18 00:25:10,776 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:10,948 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:25:11,802 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-12-18 00:25:11,998 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-18 00:25:12,297 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-18 00:25:12,526 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:14,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:14,104 INFO L93 Difference]: Finished difference Result 49831 states and 110166 transitions. [2020-12-18 00:25:14,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:25:14,105 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:14,107 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=586, Invalid=2720, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:25:14,107 INFO L78 Accepts]: Start accepts. Automaton has 49831 states and 110166 transitions. Word has length 115 [2020-12-18 00:25:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:14,107 INFO L481 AbstractCegarLoop]: Abstraction has 49831 states and 110166 transitions. [2020-12-18 00:25:14,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 49831 states and 110166 transitions. [2020-12-18 00:25:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:14,150 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:14,150 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:14,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-12-18 00:25:14,150 INFO L429 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:14,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:14,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1148504113, now seen corresponding path program 10 times [2020-12-18 00:25:14,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:14,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658026584] [2020-12-18 00:25:14,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:25:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:25:16,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658026584] [2020-12-18 00:25:16,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:25:16,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:25:16,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074406521] [2020-12-18 00:25:16,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:25:16,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:25:16,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:25:16,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:25:16,005 INFO L87 Difference]: Start difference. First operand 49831 states and 110166 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:16,885 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:25:17,123 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:17,683 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:17,934 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:18,571 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:18,910 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2020-12-18 00:25:19,078 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:19,291 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:19,945 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2020-12-18 00:25:20,162 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-18 00:25:20,385 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-12-18 00:25:20,577 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:25:20,827 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:25:21,051 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:25:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:22,673 INFO L93 Difference]: Finished difference Result 49953 states and 110335 transitions. [2020-12-18 00:25:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:25:22,674 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:22,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:22,675 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=598, Invalid=2708, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:25:22,675 INFO L78 Accepts]: Start accepts. Automaton has 49953 states and 110335 transitions. Word has length 115 [2020-12-18 00:25:22,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:22,676 INFO L481 AbstractCegarLoop]: Abstraction has 49953 states and 110335 transitions. [2020-12-18 00:25:22,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 49953 states and 110335 transitions. [2020-12-18 00:25:22,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:22,717 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:22,717 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:22,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-12-18 00:25:22,718 INFO L429 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:22,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:22,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1828127119, now seen corresponding path program 11 times [2020-12-18 00:25:22,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:22,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778872417] [2020-12-18 00:25:22,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:25:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:25:24,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778872417] [2020-12-18 00:25:24,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:25:24,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:25:24,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716617691] [2020-12-18 00:25:24,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:25:24,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:25:24,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:25:24,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:25:24,677 INFO L87 Difference]: Start difference. First operand 49953 states and 110335 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:25,739 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:25:25,969 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:26,507 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:26,753 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:27,207 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:27,479 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:25:27,723 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-18 00:25:27,874 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:28,066 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-18 00:25:28,352 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:28,822 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-18 00:25:29,021 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:25:29,616 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:25:31,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:31,466 INFO L93 Difference]: Finished difference Result 53921 states and 119281 transitions. [2020-12-18 00:25:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-18 00:25:31,467 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:31,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:31,469 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=597, Invalid=2825, Unknown=0, NotChecked=0, Total=3422 [2020-12-18 00:25:31,469 INFO L78 Accepts]: Start accepts. Automaton has 53921 states and 119281 transitions. Word has length 115 [2020-12-18 00:25:31,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:31,471 INFO L481 AbstractCegarLoop]: Abstraction has 53921 states and 119281 transitions. [2020-12-18 00:25:31,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 53921 states and 119281 transitions. [2020-12-18 00:25:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:31,521 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:31,521 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:31,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2020-12-18 00:25:31,522 INFO L429 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:31,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:31,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1255039609, now seen corresponding path program 12 times [2020-12-18 00:25:31,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:31,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515648866] [2020-12-18 00:25:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:25:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:25:33,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515648866] [2020-12-18 00:25:33,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:25:33,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:25:33,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603603105] [2020-12-18 00:25:33,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:25:33,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:25:33,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:25:33,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:25:33,698 INFO L87 Difference]: Start difference. First operand 53921 states and 119281 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:34,601 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:25:34,837 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:35,377 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:35,632 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:36,110 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:36,376 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:25:36,620 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-18 00:25:36,769 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:36,966 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-18 00:25:37,253 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:37,731 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-18 00:25:37,940 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:25:38,540 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-12-18 00:25:38,763 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:40,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:40,876 INFO L93 Difference]: Finished difference Result 54059 states and 119501 transitions. [2020-12-18 00:25:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-18 00:25:40,878 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:40,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:40,878 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=609, Invalid=2931, Unknown=0, NotChecked=0, Total=3540 [2020-12-18 00:25:40,879 INFO L78 Accepts]: Start accepts. Automaton has 54059 states and 119501 transitions. Word has length 115 [2020-12-18 00:25:40,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:40,879 INFO L481 AbstractCegarLoop]: Abstraction has 54059 states and 119501 transitions. [2020-12-18 00:25:40,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 54059 states and 119501 transitions. [2020-12-18 00:25:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:40,915 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:40,915 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:40,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-12-18 00:25:40,915 INFO L429 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:40,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:40,915 INFO L82 PathProgramCache]: Analyzing trace with hash 918618863, now seen corresponding path program 13 times [2020-12-18 00:25:40,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:40,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475659257] [2020-12-18 00:25:40,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:25:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:25:42,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475659257] [2020-12-18 00:25:42,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:25:42,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:25:42,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76803129] [2020-12-18 00:25:42,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:25:42,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:25:42,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:25:42,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:25:42,857 INFO L87 Difference]: Start difference. First operand 54059 states and 119501 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:43,780 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:25:44,017 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:44,581 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:44,846 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:45,328 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:45,608 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:25:45,863 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-18 00:25:46,019 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:46,206 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-18 00:25:46,624 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:47,342 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2020-12-18 00:25:47,586 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-12-18 00:25:47,940 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2020-12-18 00:25:48,208 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:25:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:49,973 INFO L93 Difference]: Finished difference Result 54065 states and 119507 transitions. [2020-12-18 00:25:49,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:25:49,974 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:49,975 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=572, Invalid=2734, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:25:49,975 INFO L78 Accepts]: Start accepts. Automaton has 54065 states and 119507 transitions. Word has length 115 [2020-12-18 00:25:49,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:49,975 INFO L481 AbstractCegarLoop]: Abstraction has 54065 states and 119507 transitions. [2020-12-18 00:25:49,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 54065 states and 119507 transitions. [2020-12-18 00:25:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:50,020 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:50,020 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:50,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-12-18 00:25:50,020 INFO L429 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:50,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1326348895, now seen corresponding path program 14 times [2020-12-18 00:25:50,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:50,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309987177] [2020-12-18 00:25:50,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:25:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:25:51,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309987177] [2020-12-18 00:25:51,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:25:51,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:25:51,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010175099] [2020-12-18 00:25:51,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:25:51,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:25:51,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:25:51,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:25:51,875 INFO L87 Difference]: Start difference. First operand 54065 states and 119507 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:52,799 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:25:53,050 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:25:53,620 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:25:53,874 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:25:54,471 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:25:54,720 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:25:55,182 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:25:55,666 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:25:55,822 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:25:56,047 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-12-18 00:25:56,238 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-12-18 00:25:56,619 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-12-18 00:25:56,858 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:25:59,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:25:59,081 INFO L93 Difference]: Finished difference Result 55151 states and 121484 transitions. [2020-12-18 00:25:59,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-18 00:25:59,082 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:25:59,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:25:59,083 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=620, Invalid=3040, Unknown=0, NotChecked=0, Total=3660 [2020-12-18 00:25:59,083 INFO L78 Accepts]: Start accepts. Automaton has 55151 states and 121484 transitions. Word has length 115 [2020-12-18 00:25:59,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:25:59,083 INFO L481 AbstractCegarLoop]: Abstraction has 55151 states and 121484 transitions. [2020-12-18 00:25:59,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:25:59,084 INFO L276 IsEmpty]: Start isEmpty. Operand 55151 states and 121484 transitions. [2020-12-18 00:25:59,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:25:59,128 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:25:59,128 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:25:59,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2020-12-18 00:25:59,128 INFO L429 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:25:59,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:25:59,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1523608363, now seen corresponding path program 15 times [2020-12-18 00:25:59,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:25:59,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148881328] [2020-12-18 00:25:59,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:25:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:01,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148881328] [2020-12-18 00:26:01,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:01,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:01,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370735534] [2020-12-18 00:26:01,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:01,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:01,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:01,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:01,046 INFO L87 Difference]: Start difference. First operand 55151 states and 121484 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:02,125 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:26:02,365 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:26:02,940 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:26:03,203 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:26:03,679 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:26:03,931 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:26:04,555 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-18 00:26:04,729 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:05,027 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-18 00:26:05,259 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-18 00:26:05,498 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-18 00:26:05,689 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:06,007 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:26:06,243 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:26:07,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:07,934 INFO L93 Difference]: Finished difference Result 55643 states and 122461 transitions. [2020-12-18 00:26:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:26:07,935 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:07,936 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=598, Invalid=2708, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:26:07,936 INFO L78 Accepts]: Start accepts. Automaton has 55643 states and 122461 transitions. Word has length 115 [2020-12-18 00:26:07,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:07,937 INFO L481 AbstractCegarLoop]: Abstraction has 55643 states and 122461 transitions. [2020-12-18 00:26:07,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 55643 states and 122461 transitions. [2020-12-18 00:26:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:07,985 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:07,985 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:07,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2020-12-18 00:26:07,985 INFO L429 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:07,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:07,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1556536847, now seen corresponding path program 16 times [2020-12-18 00:26:07,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:07,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096729720] [2020-12-18 00:26:07,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:10,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096729720] [2020-12-18 00:26:10,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:10,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:10,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225162159] [2020-12-18 00:26:10,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:10,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:10,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:10,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:10,114 INFO L87 Difference]: Start difference. First operand 55643 states and 122461 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:11,073 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:26:11,323 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:26:11,912 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:26:12,167 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:26:12,653 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-18 00:26:12,907 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:26:13,537 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-18 00:26:13,719 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:13,928 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:26:14,201 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-12-18 00:26:14,347 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:26:14,549 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-12-18 00:26:15,136 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-12-18 00:26:15,390 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:26:17,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:17,359 INFO L93 Difference]: Finished difference Result 56960 states and 124669 transitions. [2020-12-18 00:26:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-18 00:26:17,360 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:17,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:17,361 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=596, Invalid=2826, Unknown=0, NotChecked=0, Total=3422 [2020-12-18 00:26:17,362 INFO L78 Accepts]: Start accepts. Automaton has 56960 states and 124669 transitions. Word has length 115 [2020-12-18 00:26:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:17,362 INFO L481 AbstractCegarLoop]: Abstraction has 56960 states and 124669 transitions. [2020-12-18 00:26:17,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 56960 states and 124669 transitions. [2020-12-18 00:26:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:17,405 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:17,405 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:17,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-12-18 00:26:17,405 INFO L429 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:17,406 INFO L82 PathProgramCache]: Analyzing trace with hash 411521905, now seen corresponding path program 17 times [2020-12-18 00:26:17,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:17,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764005470] [2020-12-18 00:26:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:19,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764005470] [2020-12-18 00:26:19,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:19,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:19,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464685638] [2020-12-18 00:26:19,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:19,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:19,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:19,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:19,251 INFO L87 Difference]: Start difference. First operand 56960 states and 124669 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:20,176 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:26:20,423 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:26:21,002 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:26:21,270 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:26:22,214 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-18 00:26:22,556 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2020-12-18 00:26:23,028 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-12-18 00:26:23,294 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:26:23,521 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:26:23,867 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-18 00:26:24,044 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:26:24,241 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:26:24,467 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:26:24,661 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:26:24,848 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-18 00:26:25,718 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:26:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:27,048 INFO L93 Difference]: Finished difference Result 57222 states and 125032 transitions. [2020-12-18 00:26:27,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-18 00:26:27,049 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:27,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:27,050 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=659, Invalid=3001, Unknown=0, NotChecked=0, Total=3660 [2020-12-18 00:26:27,050 INFO L78 Accepts]: Start accepts. Automaton has 57222 states and 125032 transitions. Word has length 115 [2020-12-18 00:26:27,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:27,051 INFO L481 AbstractCegarLoop]: Abstraction has 57222 states and 125032 transitions. [2020-12-18 00:26:27,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 57222 states and 125032 transitions. [2020-12-18 00:26:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:27,097 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:27,097 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:27,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-12-18 00:26:27,097 INFO L429 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:27,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:27,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1506988109, now seen corresponding path program 18 times [2020-12-18 00:26:27,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:27,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544604698] [2020-12-18 00:26:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:28,402 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-18 00:26:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:29,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544604698] [2020-12-18 00:26:29,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:29,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:29,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953054936] [2020-12-18 00:26:29,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:29,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:29,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:29,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:29,220 INFO L87 Difference]: Start difference. First operand 57222 states and 125032 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:30,139 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:26:30,391 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:26:30,992 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:26:31,252 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:26:32,073 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-18 00:26:32,433 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-12-18 00:26:32,794 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-12-18 00:26:32,981 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:33,225 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-18 00:26:33,443 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-18 00:26:33,628 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:33,962 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:26:34,202 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:26:36,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:36,130 INFO L93 Difference]: Finished difference Result 57344 states and 125201 transitions. [2020-12-18 00:26:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:26:36,131 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:36,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:36,132 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:26:36,132 INFO L78 Accepts]: Start accepts. Automaton has 57344 states and 125201 transitions. Word has length 115 [2020-12-18 00:26:36,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:36,132 INFO L481 AbstractCegarLoop]: Abstraction has 57344 states and 125201 transitions. [2020-12-18 00:26:36,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 57344 states and 125201 transitions. [2020-12-18 00:26:36,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:36,170 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:36,170 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:36,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-12-18 00:26:36,170 INFO L429 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:36,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:36,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1539916593, now seen corresponding path program 19 times [2020-12-18 00:26:36,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:36,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298519657] [2020-12-18 00:26:36,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:38,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298519657] [2020-12-18 00:26:38,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:38,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:38,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25614907] [2020-12-18 00:26:38,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:38,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:38,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:38,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:38,014 INFO L87 Difference]: Start difference. First operand 57344 states and 125201 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:38,918 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:26:39,163 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:26:39,749 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:26:40,016 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-18 00:26:40,804 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-18 00:26:41,276 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-12-18 00:26:41,546 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:26:41,831 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-12-18 00:26:41,997 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:42,217 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-12-18 00:26:42,433 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:26:42,861 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2020-12-18 00:26:43,111 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:26:43,863 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-18 00:26:45,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:45,184 INFO L93 Difference]: Finished difference Result 57782 states and 125791 transitions. [2020-12-18 00:26:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-18 00:26:45,185 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:45,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:45,186 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=592, Invalid=2830, Unknown=0, NotChecked=0, Total=3422 [2020-12-18 00:26:45,186 INFO L78 Accepts]: Start accepts. Automaton has 57782 states and 125791 transitions. Word has length 115 [2020-12-18 00:26:45,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:45,186 INFO L481 AbstractCegarLoop]: Abstraction has 57782 states and 125791 transitions. [2020-12-18 00:26:45,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:45,187 INFO L276 IsEmpty]: Start isEmpty. Operand 57782 states and 125791 transitions. [2020-12-18 00:26:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:45,234 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:45,234 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:45,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-12-18 00:26:45,235 INFO L429 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:45,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:45,235 INFO L82 PathProgramCache]: Analyzing trace with hash -176054879, now seen corresponding path program 20 times [2020-12-18 00:26:45,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:45,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742705897] [2020-12-18 00:26:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:45,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742705897] [2020-12-18 00:26:45,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:45,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:26:45,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149533259] [2020-12-18 00:26:45,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:26:45,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:45,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:26:45,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:26:45,706 INFO L87 Difference]: Start difference. First operand 57782 states and 125791 transitions. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:47,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:47,482 INFO L93 Difference]: Finished difference Result 49503 states and 107474 transitions. [2020-12-18 00:26:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-18 00:26:47,483 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:47,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:47,483 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2020-12-18 00:26:47,484 INFO L78 Accepts]: Start accepts. Automaton has 49503 states and 107474 transitions. Word has length 115 [2020-12-18 00:26:47,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:47,484 INFO L481 AbstractCegarLoop]: Abstraction has 49503 states and 107474 transitions. [2020-12-18 00:26:47,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49503 states and 107474 transitions. [2020-12-18 00:26:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:47,731 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:47,731 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:47,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-12-18 00:26:47,731 INFO L429 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:47,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:47,732 INFO L82 PathProgramCache]: Analyzing trace with hash -148484413, now seen corresponding path program 21 times [2020-12-18 00:26:47,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:47,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383789006] [2020-12-18 00:26:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:48,668 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-12-18 00:26:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:50,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383789006] [2020-12-18 00:26:50,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:50,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:50,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256014903] [2020-12-18 00:26:50,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:50,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:50,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:50,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:50,388 INFO L87 Difference]: Start difference. First operand 49503 states and 107474 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:51,476 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:26:52,066 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:26:52,308 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-18 00:26:52,618 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:26:53,194 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-18 00:26:53,417 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:26:54,100 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:26:56,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:26:56,220 INFO L93 Difference]: Finished difference Result 49675 states and 107780 transitions. [2020-12-18 00:26:56,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-18 00:26:56,221 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:26:56,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:26:56,221 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=539, Invalid=2541, Unknown=0, NotChecked=0, Total=3080 [2020-12-18 00:26:56,221 INFO L78 Accepts]: Start accepts. Automaton has 49675 states and 107780 transitions. Word has length 115 [2020-12-18 00:26:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:26:56,222 INFO L481 AbstractCegarLoop]: Abstraction has 49675 states and 107780 transitions. [2020-12-18 00:26:56,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 49675 states and 107780 transitions. [2020-12-18 00:26:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:26:56,260 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:26:56,260 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:26:56,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-12-18 00:26:56,260 INFO L429 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:26:56,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:26:56,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1601615549, now seen corresponding path program 22 times [2020-12-18 00:26:56,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:26:56,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251800065] [2020-12-18 00:26:56,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:26:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:26:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:26:58,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251800065] [2020-12-18 00:26:58,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:26:58,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:26:58,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772954100] [2020-12-18 00:26:58,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:26:58,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:26:58,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:26:58,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:26:58,364 INFO L87 Difference]: Start difference. First operand 49675 states and 107780 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:26:59,280 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:26:59,523 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:27:00,102 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:27:00,368 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-18 00:27:00,695 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:27:01,282 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-18 00:27:01,527 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:27:01,686 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:02,137 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:27:02,347 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:03,283 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:27:04,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:04,984 INFO L93 Difference]: Finished difference Result 49980 states and 108271 transitions. [2020-12-18 00:27:04,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:27:04,985 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:04,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:04,986 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=570, Invalid=2622, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:27:04,986 INFO L78 Accepts]: Start accepts. Automaton has 49980 states and 108271 transitions. Word has length 115 [2020-12-18 00:27:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:04,986 INFO L481 AbstractCegarLoop]: Abstraction has 49980 states and 108271 transitions. [2020-12-18 00:27:04,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 49980 states and 108271 transitions. [2020-12-18 00:27:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:05,039 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:05,039 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:05,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-12-18 00:27:05,040 INFO L429 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:05,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:05,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1754253379, now seen corresponding path program 23 times [2020-12-18 00:27:05,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:05,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937367350] [2020-12-18 00:27:05,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:06,120 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-18 00:27:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:07,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937367350] [2020-12-18 00:27:07,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:07,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:27:07,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40385958] [2020-12-18 00:27:07,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:27:07,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:07,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:27:07,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:27:07,158 INFO L87 Difference]: Start difference. First operand 49980 states and 108271 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:08,203 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:27:08,765 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:27:08,993 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-18 00:27:09,270 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:27:09,833 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-18 00:27:10,151 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:27:10,308 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:10,800 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:27:11,007 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:11,534 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:27:11,780 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:27:12,185 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-18 00:27:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:13,779 INFO L93 Difference]: Finished difference Result 50103 states and 108466 transitions. [2020-12-18 00:27:13,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:27:13,780 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:13,781 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=580, Invalid=2726, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:27:13,781 INFO L78 Accepts]: Start accepts. Automaton has 50103 states and 108466 transitions. Word has length 115 [2020-12-18 00:27:13,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:13,782 INFO L481 AbstractCegarLoop]: Abstraction has 50103 states and 108466 transitions. [2020-12-18 00:27:13,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 50103 states and 108466 transitions. [2020-12-18 00:27:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:13,819 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:13,819 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:13,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-12-18 00:27:13,820 INFO L429 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:13,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:13,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1994486459, now seen corresponding path program 24 times [2020-12-18 00:27:13,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:13,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032888787] [2020-12-18 00:27:13,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:15,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032888787] [2020-12-18 00:27:15,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:15,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:27:15,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025348318] [2020-12-18 00:27:15,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:27:15,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:15,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:27:15,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:27:15,797 INFO L87 Difference]: Start difference. First operand 50103 states and 108466 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:16,959 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:27:17,562 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:27:17,817 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-18 00:27:18,124 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:27:18,752 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-12-18 00:27:19,530 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-12-18 00:27:19,839 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:27:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:21,869 INFO L93 Difference]: Finished difference Result 50295 states and 108799 transitions. [2020-12-18 00:27:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:27:21,870 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:21,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:21,870 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:27:21,871 INFO L78 Accepts]: Start accepts. Automaton has 50295 states and 108799 transitions. Word has length 115 [2020-12-18 00:27:21,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:21,871 INFO L481 AbstractCegarLoop]: Abstraction has 50295 states and 108799 transitions. [2020-12-18 00:27:21,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 50295 states and 108799 transitions. [2020-12-18 00:27:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:21,921 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:21,922 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:21,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-12-18 00:27:21,922 INFO L429 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:21,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:21,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2091797413, now seen corresponding path program 25 times [2020-12-18 00:27:21,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:21,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261300407] [2020-12-18 00:27:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:24,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261300407] [2020-12-18 00:27:24,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:24,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:27:24,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229274634] [2020-12-18 00:27:24,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:27:24,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:24,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:27:24,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:27:24,096 INFO L87 Difference]: Start difference. First operand 50295 states and 108799 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:25,083 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:27:25,335 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:27:25,959 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:27:26,233 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-18 00:27:26,581 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:27:27,547 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-18 00:27:27,953 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-12-18 00:27:28,222 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:27:28,397 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:27:28,668 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:27:28,913 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:27:30,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:30,694 INFO L93 Difference]: Finished difference Result 50287 states and 108791 transitions. [2020-12-18 00:27:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:27:30,695 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:30,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:30,696 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=533, Invalid=2437, Unknown=0, NotChecked=0, Total=2970 [2020-12-18 00:27:30,696 INFO L78 Accepts]: Start accepts. Automaton has 50287 states and 108791 transitions. Word has length 115 [2020-12-18 00:27:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:30,696 INFO L481 AbstractCegarLoop]: Abstraction has 50287 states and 108791 transitions. [2020-12-18 00:27:30,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 50287 states and 108791 transitions. [2020-12-18 00:27:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:30,747 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:30,747 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:30,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-12-18 00:27:30,747 INFO L429 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:30,747 INFO L82 PathProgramCache]: Analyzing trace with hash 78127259, now seen corresponding path program 26 times [2020-12-18 00:27:30,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:30,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810421524] [2020-12-18 00:27:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:32,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810421524] [2020-12-18 00:27:32,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:32,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-18 00:27:32,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528535865] [2020-12-18 00:27:32,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-18 00:27:32,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:32,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-18 00:27:32,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-18 00:27:32,658 INFO L87 Difference]: Start difference. First operand 50287 states and 108791 transitions. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:33,561 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-18 00:27:33,821 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2020-12-18 00:27:34,473 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-12-18 00:27:34,736 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-12-18 00:27:35,449 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-12-18 00:27:35,738 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-12-18 00:27:36,159 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2020-12-18 00:27:36,392 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:27:36,559 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:27:36,821 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:27:37,045 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:27:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:38,756 INFO L93 Difference]: Finished difference Result 50283 states and 108787 transitions. [2020-12-18 00:27:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:27:38,757 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:38,758 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=506, Invalid=2250, Unknown=0, NotChecked=0, Total=2756 [2020-12-18 00:27:38,758 INFO L78 Accepts]: Start accepts. Automaton has 50283 states and 108787 transitions. Word has length 115 [2020-12-18 00:27:38,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:38,758 INFO L481 AbstractCegarLoop]: Abstraction has 50283 states and 108787 transitions. [2020-12-18 00:27:38,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 50283 states and 108787 transitions. [2020-12-18 00:27:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:38,800 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:38,800 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:38,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-12-18 00:27:38,800 INFO L429 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:38,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:38,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1868367311, now seen corresponding path program 27 times [2020-12-18 00:27:38,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:38,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717764923] [2020-12-18 00:27:38,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:39,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717764923] [2020-12-18 00:27:39,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:39,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-18 00:27:39,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440369838] [2020-12-18 00:27:39,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-18 00:27:39,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:39,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-18 00:27:39,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-18 00:27:39,314 INFO L87 Difference]: Start difference. First operand 50283 states and 108787 transitions. Second operand has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:41,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:41,452 INFO L93 Difference]: Finished difference Result 46002 states and 98524 transitions. [2020-12-18 00:27:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-18 00:27:41,452 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:41,453 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=308, Invalid=1024, Unknown=0, NotChecked=0, Total=1332 [2020-12-18 00:27:41,453 INFO L78 Accepts]: Start accepts. Automaton has 46002 states and 98524 transitions. Word has length 115 [2020-12-18 00:27:41,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:41,453 INFO L481 AbstractCegarLoop]: Abstraction has 46002 states and 98524 transitions. [2020-12-18 00:27:41,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.666666666666667) internal successors, (115), 15 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 46002 states and 98524 transitions. [2020-12-18 00:27:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:41,487 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:41,487 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:41,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-12-18 00:27:41,488 INFO L429 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:41,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:41,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1567498123, now seen corresponding path program 28 times [2020-12-18 00:27:41,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:41,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843521420] [2020-12-18 00:27:41,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:43,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843521420] [2020-12-18 00:27:43,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:43,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:27:43,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865585672] [2020-12-18 00:27:43,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:27:43,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:43,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:27:43,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:27:43,356 INFO L87 Difference]: Start difference. First operand 46002 states and 98524 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:44,298 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:27:44,729 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:27:45,320 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:27:45,589 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-18 00:27:45,887 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:27:46,509 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:27:46,783 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:27:46,986 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:47,446 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:27:47,633 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:48,145 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:27:49,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:49,798 INFO L93 Difference]: Finished difference Result 46310 states and 98994 transitions. [2020-12-18 00:27:49,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:27:49,799 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:49,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:49,801 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=580, Invalid=2612, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:27:49,801 INFO L78 Accepts]: Start accepts. Automaton has 46310 states and 98994 transitions. Word has length 115 [2020-12-18 00:27:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:49,801 INFO L481 AbstractCegarLoop]: Abstraction has 46310 states and 98994 transitions. [2020-12-18 00:27:49,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 46310 states and 98994 transitions. [2020-12-18 00:27:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:49,847 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:49,847 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:49,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-12-18 00:27:49,847 INFO L429 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:49,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:49,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1515668605, now seen corresponding path program 29 times [2020-12-18 00:27:49,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:49,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266050355] [2020-12-18 00:27:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:27:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:27:51,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266050355] [2020-12-18 00:27:51,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:27:51,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:27:51,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572660348] [2020-12-18 00:27:51,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:27:51,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:27:51,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:27:51,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:27:51,973 INFO L87 Difference]: Start difference. First operand 46310 states and 98994 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:53,086 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:27:53,675 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:27:53,961 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-18 00:27:54,276 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:27:54,901 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:27:55,170 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:27:55,376 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:55,957 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:27:56,160 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:27:56,681 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:27:56,882 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:27:57,288 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-18 00:27:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:27:58,778 INFO L93 Difference]: Finished difference Result 46448 states and 99214 transitions. [2020-12-18 00:27:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:27:58,780 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:27:58,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:27:58,781 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=588, Invalid=2718, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:27:58,781 INFO L78 Accepts]: Start accepts. Automaton has 46448 states and 99214 transitions. Word has length 115 [2020-12-18 00:27:58,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:27:58,781 INFO L481 AbstractCegarLoop]: Abstraction has 46448 states and 99214 transitions. [2020-12-18 00:27:58,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:27:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 46448 states and 99214 transitions. [2020-12-18 00:27:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:27:58,814 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:27:58,814 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:27:58,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2020-12-18 00:27:58,815 INFO L429 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:27:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:27:58,815 INFO L82 PathProgramCache]: Analyzing trace with hash 657989867, now seen corresponding path program 30 times [2020-12-18 00:27:58,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:27:58,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058721655] [2020-12-18 00:27:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:27:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:00,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058721655] [2020-12-18 00:28:00,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:00,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:00,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851240328] [2020-12-18 00:28:00,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:00,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:00,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:00,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:00,728 INFO L87 Difference]: Start difference. First operand 46448 states and 99214 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:01,797 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:02,064 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:28:02,667 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:28:02,945 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-18 00:28:03,242 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:28:03,900 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:28:04,194 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:28:04,408 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:28:05,097 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-12-18 00:28:05,288 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-12-18 00:28:05,614 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-18 00:28:05,863 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:28:07,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:28:07,421 INFO L93 Difference]: Finished difference Result 46605 states and 99453 transitions. [2020-12-18 00:28:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-18 00:28:07,422 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:28:07,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:28:07,423 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=543, Invalid=2537, Unknown=0, NotChecked=0, Total=3080 [2020-12-18 00:28:07,423 INFO L78 Accepts]: Start accepts. Automaton has 46605 states and 99453 transitions. Word has length 115 [2020-12-18 00:28:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:28:07,423 INFO L481 AbstractCegarLoop]: Abstraction has 46605 states and 99453 transitions. [2020-12-18 00:28:07,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 46605 states and 99453 transitions. [2020-12-18 00:28:07,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:28:07,468 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:28:07,468 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:28:07,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2020-12-18 00:28:07,468 INFO L429 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:28:07,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:28:07,469 INFO L82 PathProgramCache]: Analyzing trace with hash 475617425, now seen corresponding path program 31 times [2020-12-18 00:28:07,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:28:07,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868116462] [2020-12-18 00:28:07,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:28:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:09,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868116462] [2020-12-18 00:28:09,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:09,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:09,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862308270] [2020-12-18 00:28:09,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:09,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:09,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:09,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:09,463 INFO L87 Difference]: Start difference. First operand 46605 states and 99453 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:10,389 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:10,662 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:28:11,299 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:28:11,599 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-18 00:28:11,925 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:28:12,583 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:28:12,826 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:28:13,498 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-12-18 00:28:13,671 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:28:14,023 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:28:14,238 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:28:14,543 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:28:14,790 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:28:16,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:28:16,476 INFO L93 Difference]: Finished difference Result 46766 states and 99696 transitions. [2020-12-18 00:28:16,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:28:16,477 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:28:16,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:28:16,478 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=575, Invalid=2617, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:28:16,478 INFO L78 Accepts]: Start accepts. Automaton has 46766 states and 99696 transitions. Word has length 115 [2020-12-18 00:28:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:28:16,479 INFO L481 AbstractCegarLoop]: Abstraction has 46766 states and 99696 transitions. [2020-12-18 00:28:16,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46766 states and 99696 transitions. [2020-12-18 00:28:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:28:16,512 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:28:16,512 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:28:16,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2020-12-18 00:28:16,512 INFO L429 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:28:16,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:28:16,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1307437555, now seen corresponding path program 32 times [2020-12-18 00:28:16,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:28:16,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022234744] [2020-12-18 00:28:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:28:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:18,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022234744] [2020-12-18 00:28:18,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:18,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:18,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707977833] [2020-12-18 00:28:18,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:18,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:18,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:18,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:18,424 INFO L87 Difference]: Start difference. First operand 46766 states and 99696 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:19,382 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:19,645 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:28:20,375 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:28:20,676 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-12-18 00:28:20,970 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:28:22,044 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2020-12-18 00:28:22,441 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-12-18 00:28:22,733 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-18 00:28:22,966 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:28:23,274 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:28:23,535 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:28:25,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:28:25,244 INFO L93 Difference]: Finished difference Result 46776 states and 99706 transitions. [2020-12-18 00:28:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:28:25,245 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:28:25,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:28:25,245 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=535, Invalid=2435, Unknown=0, NotChecked=0, Total=2970 [2020-12-18 00:28:25,245 INFO L78 Accepts]: Start accepts. Automaton has 46776 states and 99706 transitions. Word has length 115 [2020-12-18 00:28:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:28:25,246 INFO L481 AbstractCegarLoop]: Abstraction has 46776 states and 99706 transitions. [2020-12-18 00:28:25,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 46776 states and 99706 transitions. [2020-12-18 00:28:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:28:25,290 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:28:25,290 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:28:25,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2020-12-18 00:28:25,291 INFO L429 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:28:25,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:28:25,291 INFO L82 PathProgramCache]: Analyzing trace with hash -215304097, now seen corresponding path program 33 times [2020-12-18 00:28:25,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:28:25,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097334575] [2020-12-18 00:28:25,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:28:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:26,072 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-12-18 00:28:27,031 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2020-12-18 00:28:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:27,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097334575] [2020-12-18 00:28:27,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:27,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:27,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90018731] [2020-12-18 00:28:27,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:27,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:27,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:27,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:27,620 INFO L87 Difference]: Start difference. First operand 46776 states and 99706 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:28,549 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:28,792 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:28:29,413 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:28:29,703 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:28:30,022 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-18 00:28:30,667 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:28:30,944 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:28:31,115 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:28:31,745 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:28:31,928 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:28:32,201 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:28:32,443 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:28:33,681 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-12-18 00:28:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:28:34,361 INFO L93 Difference]: Finished difference Result 47392 states and 101052 transitions. [2020-12-18 00:28:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-18 00:28:34,363 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:28:34,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:28:34,364 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=539, Invalid=2541, Unknown=0, NotChecked=0, Total=3080 [2020-12-18 00:28:34,364 INFO L78 Accepts]: Start accepts. Automaton has 47392 states and 101052 transitions. Word has length 115 [2020-12-18 00:28:34,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:28:34,364 INFO L481 AbstractCegarLoop]: Abstraction has 47392 states and 101052 transitions. [2020-12-18 00:28:34,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 47392 states and 101052 transitions. [2020-12-18 00:28:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:28:34,394 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:28:34,394 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:28:34,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2020-12-18 00:28:34,394 INFO L429 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:28:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:28:34,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1668435233, now seen corresponding path program 34 times [2020-12-18 00:28:34,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:28:34,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705873205] [2020-12-18 00:28:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:28:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:36,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705873205] [2020-12-18 00:28:36,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:36,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:36,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957790026] [2020-12-18 00:28:36,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:36,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:36,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:36,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:36,470 INFO L87 Difference]: Start difference. First operand 47392 states and 101052 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:37,449 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:37,703 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:28:38,333 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:28:38,636 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:28:38,960 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-18 00:28:39,603 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:28:40,013 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:28:40,191 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:28:40,687 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:28:40,889 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:28:41,511 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:28:43,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:28:43,484 INFO L93 Difference]: Finished difference Result 48119 states and 102483 transitions. [2020-12-18 00:28:43,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:28:43,485 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:28:43,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:28:43,486 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=570, Invalid=2622, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:28:43,486 INFO L78 Accepts]: Start accepts. Automaton has 48119 states and 102483 transitions. Word has length 115 [2020-12-18 00:28:43,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:28:43,486 INFO L481 AbstractCegarLoop]: Abstraction has 48119 states and 102483 transitions. [2020-12-18 00:28:43,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 48119 states and 102483 transitions. [2020-12-18 00:28:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:28:43,541 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:28:43,541 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:28:43,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2020-12-18 00:28:43,541 INFO L429 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:28:43,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:28:43,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1687433695, now seen corresponding path program 35 times [2020-12-18 00:28:43,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:28:43,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072531821] [2020-12-18 00:28:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:28:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:45,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072531821] [2020-12-18 00:28:45,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:45,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:45,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986339022] [2020-12-18 00:28:45,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:45,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:45,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:45,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:45,679 INFO L87 Difference]: Start difference. First operand 48119 states and 102483 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:46,627 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:46,975 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:28:47,530 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:28:47,795 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:28:48,081 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-18 00:28:48,711 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:28:48,990 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:28:49,159 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:28:49,640 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:28:49,852 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:28:50,391 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:28:50,644 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:28:51,067 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-18 00:28:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:28:52,769 INFO L93 Difference]: Finished difference Result 48242 states and 102678 transitions. [2020-12-18 00:28:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:28:52,771 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:28:52,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:28:52,772 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=580, Invalid=2726, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:28:52,772 INFO L78 Accepts]: Start accepts. Automaton has 48242 states and 102678 transitions. Word has length 115 [2020-12-18 00:28:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:28:52,772 INFO L481 AbstractCegarLoop]: Abstraction has 48242 states and 102678 transitions. [2020-12-18 00:28:52,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 48242 states and 102678 transitions. [2020-12-18 00:28:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:28:52,811 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:28:52,811 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:28:52,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2020-12-18 00:28:52,812 INFO L429 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:28:52,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:28:52,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1927666775, now seen corresponding path program 36 times [2020-12-18 00:28:52,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:28:52,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377706413] [2020-12-18 00:28:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:28:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:28:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:28:54,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377706413] [2020-12-18 00:28:54,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:28:54,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:28:54,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204644380] [2020-12-18 00:28:54,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:28:54,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:28:54,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:28:54,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:28:54,991 INFO L87 Difference]: Start difference. First operand 48242 states and 102678 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:28:56,005 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:28:56,276 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:28:56,942 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:28:57,241 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:28:57,570 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-18 00:28:58,239 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:28:58,506 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-18 00:28:59,145 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-12-18 00:28:59,331 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:28:59,554 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:28:59,757 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:29:00,050 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:29:00,307 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:29:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:02,192 INFO L93 Difference]: Finished difference Result 48434 states and 103011 transitions. [2020-12-18 00:29:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:29:02,193 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:02,194 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:29:02,194 INFO L78 Accepts]: Start accepts. Automaton has 48434 states and 103011 transitions. Word has length 115 [2020-12-18 00:29:02,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:02,195 INFO L481 AbstractCegarLoop]: Abstraction has 48434 states and 103011 transitions. [2020-12-18 00:29:02,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 48434 states and 103011 transitions. [2020-12-18 00:29:02,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:02,242 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:02,242 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:02,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2020-12-18 00:29:02,243 INFO L429 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:02,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:02,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2024977729, now seen corresponding path program 37 times [2020-12-18 00:29:02,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:02,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830274830] [2020-12-18 00:29:02,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:29:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:29:04,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830274830] [2020-12-18 00:29:04,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:29:04,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:29:04,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580121527] [2020-12-18 00:29:04,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:29:04,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:29:04,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:29:04,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:29:04,312 INFO L87 Difference]: Start difference. First operand 48434 states and 103011 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:05,325 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:29:05,585 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:29:06,228 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:29:06,495 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:29:06,789 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-12-18 00:29:07,986 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 63 [2020-12-18 00:29:08,343 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-12-18 00:29:08,608 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:29:08,767 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:29:09,036 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:29:09,266 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:29:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:11,018 INFO L93 Difference]: Finished difference Result 48514 states and 103123 transitions. [2020-12-18 00:29:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:29:11,020 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:11,021 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=533, Invalid=2437, Unknown=0, NotChecked=0, Total=2970 [2020-12-18 00:29:11,021 INFO L78 Accepts]: Start accepts. Automaton has 48514 states and 103123 transitions. Word has length 115 [2020-12-18 00:29:11,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:11,022 INFO L481 AbstractCegarLoop]: Abstraction has 48514 states and 103123 transitions. [2020-12-18 00:29:11,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 48514 states and 103123 transitions. [2020-12-18 00:29:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:11,059 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:11,059 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:11,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2020-12-18 00:29:11,060 INFO L429 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:11,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:11,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1483074931, now seen corresponding path program 38 times [2020-12-18 00:29:11,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:11,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220230306] [2020-12-18 00:29:11,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:29:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:29:13,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220230306] [2020-12-18 00:29:13,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:29:13,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:29:13,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594149712] [2020-12-18 00:29:13,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:29:13,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:29:13,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:29:13,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:29:13,094 INFO L87 Difference]: Start difference. First operand 48514 states and 103123 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:14,194 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:29:14,462 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:29:15,079 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:29:15,373 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:29:15,885 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:29:16,224 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:29:16,408 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:29:16,656 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-18 00:29:16,853 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:29:17,028 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:29:17,701 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-18 00:29:17,902 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:29:18,178 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:29:18,416 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:29:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:20,195 INFO L93 Difference]: Finished difference Result 49107 states and 104429 transitions. [2020-12-18 00:29:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:29:20,196 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:20,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:20,197 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=582, Invalid=2724, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:29:20,197 INFO L78 Accepts]: Start accepts. Automaton has 49107 states and 104429 transitions. Word has length 115 [2020-12-18 00:29:20,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:20,198 INFO L481 AbstractCegarLoop]: Abstraction has 49107 states and 104429 transitions. [2020-12-18 00:29:20,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 49107 states and 104429 transitions. [2020-12-18 00:29:20,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:20,234 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:20,234 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:20,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2020-12-18 00:29:20,235 INFO L429 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:20,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1358761229, now seen corresponding path program 39 times [2020-12-18 00:29:20,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:20,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172053090] [2020-12-18 00:29:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:29:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:29:22,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172053090] [2020-12-18 00:29:22,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:29:22,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:29:22,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036567717] [2020-12-18 00:29:22,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:29:22,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:29:22,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:29:22,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:29:22,488 INFO L87 Difference]: Start difference. First operand 49107 states and 104429 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:23,556 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:29:23,830 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:29:24,487 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:29:24,790 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:29:25,389 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:29:25,734 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:29:25,930 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:29:26,178 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-18 00:29:26,354 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:29:26,523 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:29:26,983 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:29:27,364 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:29:27,999 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:29:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:29,810 INFO L93 Difference]: Finished difference Result 49805 states and 105813 transitions. [2020-12-18 00:29:29,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-18 00:29:29,811 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:29,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:29,812 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=610, Invalid=2812, Unknown=0, NotChecked=0, Total=3422 [2020-12-18 00:29:29,812 INFO L78 Accepts]: Start accepts. Automaton has 49805 states and 105813 transitions. Word has length 115 [2020-12-18 00:29:29,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:29,812 INFO L481 AbstractCegarLoop]: Abstraction has 49805 states and 105813 transitions. [2020-12-18 00:29:29,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 49805 states and 105813 transitions. [2020-12-18 00:29:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:29,859 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:29,859 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:29,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2020-12-18 00:29:29,859 INFO L429 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:29,860 INFO L82 PathProgramCache]: Analyzing trace with hash 419662861, now seen corresponding path program 40 times [2020-12-18 00:29:29,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:29,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434870013] [2020-12-18 00:29:29,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:29:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:29:32,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434870013] [2020-12-18 00:29:32,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:29:32,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:29:32,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792635141] [2020-12-18 00:29:32,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:29:32,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:29:32,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:29:32,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:29:32,105 INFO L87 Difference]: Start difference. First operand 49805 states and 105813 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:33,242 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:29:33,504 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:29:34,146 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:29:34,448 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:29:34,986 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:29:35,340 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:29:35,533 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:29:35,808 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-18 00:29:36,008 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:29:36,195 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:29:36,685 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:29:36,901 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:29:37,502 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:29:37,761 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:29:38,188 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-18 00:29:39,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:39,895 INFO L93 Difference]: Finished difference Result 49928 states and 106008 transitions. [2020-12-18 00:29:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-18 00:29:39,897 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:39,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:39,898 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=620, Invalid=2920, Unknown=0, NotChecked=0, Total=3540 [2020-12-18 00:29:39,898 INFO L78 Accepts]: Start accepts. Automaton has 49928 states and 106008 transitions. Word has length 115 [2020-12-18 00:29:39,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:39,898 INFO L481 AbstractCegarLoop]: Abstraction has 49928 states and 106008 transitions. [2020-12-18 00:29:39,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 49928 states and 106008 transitions. [2020-12-18 00:29:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:40,105 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:40,105 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:40,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2020-12-18 00:29:40,105 INFO L429 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:40,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:40,106 INFO L82 PathProgramCache]: Analyzing trace with hash 659895941, now seen corresponding path program 41 times [2020-12-18 00:29:40,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:40,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810379390] [2020-12-18 00:29:40,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:29:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:29:42,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810379390] [2020-12-18 00:29:42,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:29:42,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:29:42,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479232884] [2020-12-18 00:29:42,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:29:42,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:29:42,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:29:42,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:29:42,146 INFO L87 Difference]: Start difference. First operand 49928 states and 106008 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:43,162 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:29:43,422 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:29:44,075 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:29:44,357 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:29:44,950 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:29:45,289 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-12-18 00:29:45,485 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:29:45,829 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-18 00:29:46,459 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-12-18 00:29:46,683 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-18 00:29:46,912 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-18 00:29:47,114 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:29:47,410 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:29:47,658 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:29:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:49,379 INFO L93 Difference]: Finished difference Result 50012 states and 106124 transitions. [2020-12-18 00:29:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:29:49,380 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:49,380 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=598, Invalid=2708, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:29:49,381 INFO L78 Accepts]: Start accepts. Automaton has 50012 states and 106124 transitions. Word has length 115 [2020-12-18 00:29:49,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:49,381 INFO L481 AbstractCegarLoop]: Abstraction has 50012 states and 106124 transitions. [2020-12-18 00:29:49,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 50012 states and 106124 transitions. [2020-12-18 00:29:49,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:49,428 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:49,429 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:49,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2020-12-18 00:29:49,429 INFO L429 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:49,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:49,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1195883139, now seen corresponding path program 42 times [2020-12-18 00:29:49,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:49,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579001595] [2020-12-18 00:29:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:29:51,383 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2020-12-18 00:29:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:29:51,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579001595] [2020-12-18 00:29:51,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:29:51,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:29:51,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930769442] [2020-12-18 00:29:51,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:29:51,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:29:51,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:29:51,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:29:51,738 INFO L87 Difference]: Start difference. First operand 50012 states and 106124 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:52,732 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:29:53,001 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:29:53,649 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:29:53,955 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:29:54,501 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:29:54,761 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:29:55,017 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-12-18 00:29:55,167 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-12-18 00:29:55,357 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-18 00:29:56,110 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2020-12-18 00:29:56,338 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-12-18 00:29:56,651 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-12-18 00:29:56,928 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:29:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:29:58,917 INFO L93 Difference]: Finished difference Result 50125 states and 106309 transitions. [2020-12-18 00:29:58,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:29:58,919 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:29:58,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:29:58,920 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=552, Invalid=2640, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:29:58,920 INFO L78 Accepts]: Start accepts. Automaton has 50125 states and 106309 transitions. Word has length 115 [2020-12-18 00:29:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:29:58,920 INFO L481 AbstractCegarLoop]: Abstraction has 50125 states and 106309 transitions. [2020-12-18 00:29:58,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:29:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50125 states and 106309 transitions. [2020-12-18 00:29:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:29:58,970 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:29:58,971 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:29:58,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2020-12-18 00:29:58,971 INFO L429 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:29:58,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:29:58,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1645953021, now seen corresponding path program 43 times [2020-12-18 00:29:58,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:29:58,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811313805] [2020-12-18 00:29:58,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:29:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:01,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811313805] [2020-12-18 00:30:01,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:01,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:01,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475948860] [2020-12-18 00:30:01,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:01,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:01,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:01,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:01,257 INFO L87 Difference]: Start difference. First operand 50125 states and 106309 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:02,297 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:30:02,669 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:30:03,301 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:30:03,591 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:30:04,091 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:30:04,342 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:30:04,584 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-18 00:30:04,731 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:30:04,931 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:30:05,457 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-18 00:30:05,681 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:30:06,308 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-18 00:30:08,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:30:08,196 INFO L93 Difference]: Finished difference Result 50422 states and 106786 transitions. [2020-12-18 00:30:08,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:30:08,197 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:30:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:30:08,198 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=578, Invalid=2728, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:30:08,199 INFO L78 Accepts]: Start accepts. Automaton has 50422 states and 106786 transitions. Word has length 115 [2020-12-18 00:30:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:30:08,199 INFO L481 AbstractCegarLoop]: Abstraction has 50422 states and 106786 transitions. [2020-12-18 00:30:08,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 50422 states and 106786 transitions. [2020-12-18 00:30:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:30:08,367 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:30:08,367 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:30:08,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2020-12-18 00:30:08,367 INFO L429 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:30:08,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:30:08,368 INFO L82 PathProgramCache]: Analyzing trace with hash 706854653, now seen corresponding path program 44 times [2020-12-18 00:30:08,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:30:08,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713907716] [2020-12-18 00:30:08,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:30:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:10,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713907716] [2020-12-18 00:30:10,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:10,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:10,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005203557] [2020-12-18 00:30:10,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:10,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:10,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:10,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:10,532 INFO L87 Difference]: Start difference. First operand 50422 states and 106786 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:11,592 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:30:11,863 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:30:12,527 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:30:12,835 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:30:13,524 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:30:13,811 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-12-18 00:30:14,085 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-18 00:30:14,247 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:30:14,461 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-18 00:30:15,083 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-12-18 00:30:15,336 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-18 00:30:16,016 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-12-18 00:30:16,308 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-18 00:30:18,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:30:18,451 INFO L93 Difference]: Finished difference Result 50418 states and 106782 transitions. [2020-12-18 00:30:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-12-18 00:30:18,452 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:30:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:30:18,453 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=590, Invalid=2832, Unknown=0, NotChecked=0, Total=3422 [2020-12-18 00:30:18,453 INFO L78 Accepts]: Start accepts. Automaton has 50418 states and 106782 transitions. Word has length 115 [2020-12-18 00:30:18,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:30:18,454 INFO L481 AbstractCegarLoop]: Abstraction has 50418 states and 106782 transitions. [2020-12-18 00:30:18,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 50418 states and 106782 transitions. [2020-12-18 00:30:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:30:18,591 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:30:18,591 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:30:18,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2020-12-18 00:30:18,591 INFO L429 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:30:18,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:30:18,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1162967685, now seen corresponding path program 45 times [2020-12-18 00:30:18,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:30:18,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736971237] [2020-12-18 00:30:18,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:30:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:20,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736971237] [2020-12-18 00:30:20,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:20,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:20,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299404396] [2020-12-18 00:30:20,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:20,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:20,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:20,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:20,665 INFO L87 Difference]: Start difference. First operand 50418 states and 106782 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:21,627 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:30:21,869 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:30:22,460 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:30:22,846 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:30:23,355 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:30:23,594 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:30:24,358 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:30:24,636 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-18 00:30:24,798 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:30:25,019 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-12-18 00:30:25,404 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-18 00:30:25,684 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:30:27,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:30:27,547 INFO L93 Difference]: Finished difference Result 50623 states and 107145 transitions. [2020-12-18 00:30:27,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:30:27,549 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:30:27,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:30:27,550 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=552, Invalid=2640, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:30:27,550 INFO L78 Accepts]: Start accepts. Automaton has 50623 states and 107145 transitions. Word has length 115 [2020-12-18 00:30:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:30:27,550 INFO L481 AbstractCegarLoop]: Abstraction has 50623 states and 107145 transitions. [2020-12-18 00:30:27,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 50623 states and 107145 transitions. [2020-12-18 00:30:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:30:27,681 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:30:27,682 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:30:27,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2020-12-18 00:30:27,682 INFO L429 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:30:27,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:30:27,682 INFO L82 PathProgramCache]: Analyzing trace with hash 769827453, now seen corresponding path program 46 times [2020-12-18 00:30:27,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:30:27,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437177066] [2020-12-18 00:30:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:30:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:29,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437177066] [2020-12-18 00:30:29,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:29,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:29,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408042159] [2020-12-18 00:30:29,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:29,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:29,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:29,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:29,844 INFO L87 Difference]: Start difference. First operand 50623 states and 107145 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:30,891 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:30:31,161 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:30:31,859 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:30:32,160 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:30:32,750 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:30:33,015 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:30:33,655 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-18 00:30:33,844 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:30:34,156 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-12-18 00:30:34,411 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-18 00:30:34,672 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-18 00:30:34,880 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:30:35,193 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:30:35,458 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:30:37,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:30:37,414 INFO L93 Difference]: Finished difference Result 50821 states and 107491 transitions. [2020-12-18 00:30:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:30:37,416 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:30:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:30:37,416 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=598, Invalid=2708, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:30:37,417 INFO L78 Accepts]: Start accepts. Automaton has 50821 states and 107491 transitions. Word has length 115 [2020-12-18 00:30:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:30:37,417 INFO L481 AbstractCegarLoop]: Abstraction has 50821 states and 107491 transitions. [2020-12-18 00:30:37,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 50821 states and 107491 transitions. [2020-12-18 00:30:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:30:37,466 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:30:37,466 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:30:37,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2020-12-18 00:30:37,467 INFO L429 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:30:37,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:30:37,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1124412019, now seen corresponding path program 47 times [2020-12-18 00:30:37,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:30:37,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741316474] [2020-12-18 00:30:37,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:30:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:38,113 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-12-18 00:30:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:39,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741316474] [2020-12-18 00:30:39,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:39,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:39,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624017524] [2020-12-18 00:30:39,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:39,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:39,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:39,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:39,836 INFO L87 Difference]: Start difference. First operand 50821 states and 107491 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:40,953 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:30:41,202 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:30:41,824 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:30:42,097 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:30:42,639 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-18 00:30:42,887 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-18 00:30:43,512 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-12-18 00:30:43,708 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:30:43,948 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:30:44,242 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-18 00:30:44,407 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:30:44,634 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-12-18 00:30:45,078 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-18 00:30:45,368 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:30:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:30:47,265 INFO L93 Difference]: Finished difference Result 51022 states and 107846 transitions. [2020-12-18 00:30:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-18 00:30:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:30:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:30:47,267 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=582, Invalid=2724, Unknown=0, NotChecked=0, Total=3306 [2020-12-18 00:30:47,267 INFO L78 Accepts]: Start accepts. Automaton has 51022 states and 107846 transitions. Word has length 115 [2020-12-18 00:30:47,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:30:47,268 INFO L481 AbstractCegarLoop]: Abstraction has 51022 states and 107846 transitions. [2020-12-18 00:30:47,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 51022 states and 107846 transitions. [2020-12-18 00:30:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:30:47,306 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:30:47,307 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:30:47,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2020-12-18 00:30:47,307 INFO L429 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:30:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:30:47,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1018891771, now seen corresponding path program 48 times [2020-12-18 00:30:47,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:30:47,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424253740] [2020-12-18 00:30:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:30:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:48,357 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-12-18 00:30:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:49,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424253740] [2020-12-18 00:30:49,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:49,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:49,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734369189] [2020-12-18 00:30:49,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:49,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:49,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:49,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:49,472 INFO L87 Difference]: Start difference. First operand 51022 states and 107846 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:50,519 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:30:50,790 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:30:51,504 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:30:51,814 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:30:52,840 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:30:53,190 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-12-18 00:30:53,746 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-12-18 00:30:54,030 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:30:54,258 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:30:54,568 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:30:54,840 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:30:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:30:56,606 INFO L93 Difference]: Finished difference Result 51190 states and 108078 transitions. [2020-12-18 00:30:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:30:56,607 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:30:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:30:56,608 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=533, Invalid=2437, Unknown=0, NotChecked=0, Total=2970 [2020-12-18 00:30:56,608 INFO L78 Accepts]: Start accepts. Automaton has 51190 states and 108078 transitions. Word has length 115 [2020-12-18 00:30:56,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:30:56,608 INFO L481 AbstractCegarLoop]: Abstraction has 51190 states and 108078 transitions. [2020-12-18 00:30:56,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 51190 states and 108078 transitions. [2020-12-18 00:30:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:30:56,659 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:30:56,659 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:30:56,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2020-12-18 00:30:56,660 INFO L429 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:30:56,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:30:56,660 INFO L82 PathProgramCache]: Analyzing trace with hash -508500269, now seen corresponding path program 49 times [2020-12-18 00:30:56,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:30:56,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279341841] [2020-12-18 00:30:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:30:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:30:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:30:58,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279341841] [2020-12-18 00:30:58,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:30:58,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:30:58,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195180466] [2020-12-18 00:30:58,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:30:58,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:30:58,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:30:58,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:30:58,803 INFO L87 Difference]: Start difference. First operand 51190 states and 108078 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:30:59,866 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:31:00,239 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:31:00,923 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:31:01,234 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:31:02,164 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:31:02,590 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:31:02,967 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-12-18 00:31:03,179 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:31:03,450 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-12-18 00:31:03,686 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-12-18 00:31:03,879 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-12-18 00:31:04,222 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-18 00:31:04,496 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:31:06,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:31:06,468 INFO L93 Difference]: Finished difference Result 51358 states and 108310 transitions. [2020-12-18 00:31:06,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-18 00:31:06,469 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:31:06,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:31:06,470 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2020-12-18 00:31:06,470 INFO L78 Accepts]: Start accepts. Automaton has 51358 states and 108310 transitions. Word has length 115 [2020-12-18 00:31:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:31:06,471 INFO L481 AbstractCegarLoop]: Abstraction has 51358 states and 108310 transitions. [2020-12-18 00:31:06,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 51358 states and 108310 transitions. [2020-12-18 00:31:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:31:06,525 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:31:06,525 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:31:06,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2020-12-18 00:31:06,526 INFO L429 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:31:06,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:31:06,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1892227555, now seen corresponding path program 50 times [2020-12-18 00:31:06,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:31:06,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597311734] [2020-12-18 00:31:06,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:31:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:31:07,546 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-12-18 00:31:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:31:09,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597311734] [2020-12-18 00:31:09,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:31:09,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-18 00:31:09,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205573833] [2020-12-18 00:31:09,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-18 00:31:09,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:31:09,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-18 00:31:09,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2020-12-18 00:31:09,007 INFO L87 Difference]: Start difference. First operand 51358 states and 108310 transitions. Second operand has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:10,115 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:31:10,400 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-12-18 00:31:11,101 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-12-18 00:31:11,464 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-12-18 00:31:12,393 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2020-12-18 00:31:12,812 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-12-18 00:31:13,086 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:31:13,338 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-12-18 00:31:13,486 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-18 00:31:13,693 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-12-18 00:31:14,116 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-12-18 00:31:14,401 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-18 00:31:15,069 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-12-18 00:31:16,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:31:16,398 INFO L93 Difference]: Finished difference Result 51364 states and 108316 transitions. [2020-12-18 00:31:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-18 00:31:16,400 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:31:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:31:16,401 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=539, Invalid=2541, Unknown=0, NotChecked=0, Total=3080 [2020-12-18 00:31:16,401 INFO L78 Accepts]: Start accepts. Automaton has 51364 states and 108316 transitions. Word has length 115 [2020-12-18 00:31:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:31:16,401 INFO L481 AbstractCegarLoop]: Abstraction has 51364 states and 108316 transitions. [2020-12-18 00:31:16,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.423076923076923) internal successors, (115), 26 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 51364 states and 108316 transitions. [2020-12-18 00:31:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:31:16,436 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:31:16,436 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:31:16,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2020-12-18 00:31:16,436 INFO L429 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:31:16,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:31:16,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1312858423, now seen corresponding path program 51 times [2020-12-18 00:31:16,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:31:16,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136400810] [2020-12-18 00:31:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:31:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:31:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:31:18,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136400810] [2020-12-18 00:31:18,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:31:18,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-18 00:31:18,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199355316] [2020-12-18 00:31:18,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-18 00:31:18,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:31:18,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-18 00:31:18,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-18 00:31:18,328 INFO L87 Difference]: Start difference. First operand 51364 states and 108316 transitions. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:19,360 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-18 00:31:19,659 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-18 00:31:20,317 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-18 00:31:20,627 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2020-12-18 00:31:21,524 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2020-12-18 00:31:21,860 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-12-18 00:31:22,431 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-12-18 00:31:22,724 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:31:22,946 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:31:23,279 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:31:23,555 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:31:25,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:31:25,476 INFO L93 Difference]: Finished difference Result 51360 states and 108312 transitions. [2020-12-18 00:31:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:31:25,478 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:31:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:31:25,478 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=506, Invalid=2250, Unknown=0, NotChecked=0, Total=2756 [2020-12-18 00:31:25,478 INFO L78 Accepts]: Start accepts. Automaton has 51360 states and 108312 transitions. Word has length 115 [2020-12-18 00:31:25,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:31:25,479 INFO L481 AbstractCegarLoop]: Abstraction has 51360 states and 108312 transitions. [2020-12-18 00:31:25,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 51360 states and 108312 transitions. [2020-12-18 00:31:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:31:25,528 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:31:25,528 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:31:25,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2020-12-18 00:31:25,529 INFO L429 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:31:25,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:31:25,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1716930833, now seen corresponding path program 52 times [2020-12-18 00:31:25,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:31:25,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159637643] [2020-12-18 00:31:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:31:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:31:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:31:27,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159637643] [2020-12-18 00:31:27,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:31:27,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-18 00:31:27,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677495340] [2020-12-18 00:31:27,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-18 00:31:27,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:31:27,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-18 00:31:27,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2020-12-18 00:31:27,641 INFO L87 Difference]: Start difference. First operand 51360 states and 108312 transitions. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:28,683 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-12-18 00:31:28,966 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-18 00:31:29,594 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-12-18 00:31:30,343 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-12-18 00:31:30,584 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2020-12-18 00:31:30,915 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 64 [2020-12-18 00:31:31,429 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-12-18 00:31:31,719 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-12-18 00:31:31,955 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-12-18 00:31:32,262 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-18 00:31:32,511 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-18 00:31:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-18 00:31:34,377 INFO L93 Difference]: Finished difference Result 51482 states and 108481 transitions. [2020-12-18 00:31:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-18 00:31:34,378 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2020-12-18 00:31:34,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-18 00:31:34,379 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=506, Invalid=2250, Unknown=0, NotChecked=0, Total=2756 [2020-12-18 00:31:34,379 INFO L78 Accepts]: Start accepts. Automaton has 51482 states and 108481 transitions. Word has length 115 [2020-12-18 00:31:34,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-18 00:31:34,380 INFO L481 AbstractCegarLoop]: Abstraction has 51482 states and 108481 transitions. [2020-12-18 00:31:34,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 51482 states and 108481 transitions. [2020-12-18 00:31:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-18 00:31:34,417 INFO L496 BasicCegarLoop]: Found error trace [2020-12-18 00:31:34,417 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-18 00:31:34,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2020-12-18 00:31:34,417 INFO L429 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 00:31:34,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 00:31:34,418 INFO L82 PathProgramCache]: Analyzing trace with hash -744475375, now seen corresponding path program 53 times [2020-12-18 00:31:34,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 00:31:34,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134291823] [2020-12-18 00:31:34,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 00:31:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 00:31:35,728 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2020-12-18 00:31:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 00:31:36,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134291823] [2020-12-18 00:31:36,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 00:31:36,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-12-18 00:31:36,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397008127] [2020-12-18 00:31:36,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-18 00:31:36,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 00:31:36,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-18 00:31:36,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-12-18 00:31:36,334 INFO L87 Difference]: Start difference. First operand 51482 states and 108481 transitions. Second operand has 24 states, 24 states have (on average 4.791666666666667) internal successors, (115), 24 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 00:31:37,344 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-18 00:31:37,611 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-18 00:31:38,234 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-12-18 00:31:38,971 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2020-12-18 00:31:39,229 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 Received shutdown request... [2020-12-18 00:31:39,578 WARN L210 SmtUtils]: Removed 12 from assertion stack [2020-12-18 00:31:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-18 00:31:39,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2020-12-18 00:31:39,579 WARN L546 AbstractCegarLoop]: Verification canceled [2020-12-18 00:31:39,584 WARN L250 ceAbstractionStarter]: Timeout [2020-12-18 00:31:39,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 12:31:39 BasicIcfg [2020-12-18 00:31:39,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-18 00:31:39,585 INFO L168 Benchmark]: Toolchain (without parser) took 633014.77 ms. Allocated memory was 302.0 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 275.3 MB in the beginning and 425.9 MB in the end (delta: -150.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 16.0 GB. [2020-12-18 00:31:39,585 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 00:31:39,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1528.37 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 173.4 MB in the end (delta: 101.9 MB). Peak memory consumption was 102.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:31:39,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.95 ms. Allocated memory is still 302.0 MB. Free memory was 173.4 MB in the beginning and 170.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:31:39,586 INFO L168 Benchmark]: Boogie Preprocessor took 56.58 ms. Allocated memory is still 302.0 MB. Free memory was 170.3 MB in the beginning and 166.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-12-18 00:31:39,586 INFO L168 Benchmark]: RCFGBuilder took 764.69 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 166.9 MB in the beginning and 334.9 MB in the end (delta: -168.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. [2020-12-18 00:31:39,586 INFO L168 Benchmark]: TraceAbstraction took 630575.80 ms. Allocated memory was 362.8 MB in the beginning and 3.5 GB in the end (delta: 3.1 GB). Free memory was 333.8 MB in the beginning and 425.9 MB in the end (delta: -92.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 16.0 GB. [2020-12-18 00:31:39,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1528.37 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 173.4 MB in the end (delta: 101.9 MB). Peak memory consumption was 102.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 81.95 ms. Allocated memory is still 302.0 MB. Free memory was 173.4 MB in the beginning and 170.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 56.58 ms. Allocated memory is still 302.0 MB. Free memory was 170.3 MB in the beginning and 166.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 764.69 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 166.9 MB in the beginning and 334.9 MB in the end (delta: -168.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 630575.80 ms. Allocated memory was 362.8 MB in the beginning and 3.5 GB in the end (delta: 3.1 GB). Free memory was 333.8 MB in the beginning and 425.9 MB in the end (delta: -92.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (51482states) and FLOYD_HOARE automaton (currently 16 states, 24 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 84 for 86ms.. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (51482states) and FLOYD_HOARE automaton (currently 16 states, 24 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 84 for 86ms.. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (51482states) and FLOYD_HOARE automaton (currently 16 states, 24 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 84 for 86ms.. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (51482states) and FLOYD_HOARE automaton (currently 16 states, 24 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 84 for 86ms.. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (51482states) and FLOYD_HOARE automaton (currently 16 states, 24 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 84 for 86ms.. - TimeoutResultAtElement [Line: 1691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1691). Cancelled while BasicCegarLoop was constructing difference of abstraction (51482states) and FLOYD_HOARE automaton (currently 16 states, 24 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 84 for 86ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 158 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 630.4s, OverallIterations: 101, TraceHistogramMax: 1, AutomataDifference: 483.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 25391 SDtfs, 88071 SDslu, 236285 SDs, 0 SdLazy, 125887 SolverSat, 8352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 129.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4947 GetRequests, 401 SyntacticMatches, 169 SemanticMatches, 4376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40785 ImplicationChecksByTransitivity, 399.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57782occurred in iteration=67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 130.6s InterpolantComputationTime, 11070 NumberOfCodeBlocks, 11070 NumberOfCodeBlocksAsserted, 101 NumberOfCheckSat, 10969 ConstructedInterpolants, 0 QuantifiedInterpolants, 21211407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 101 InterpolantComputations, 101 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown !SESSION 2020-12-18 00:21:03.059 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9 java.vendor=AdoptOpenJDK BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Framework arguments: -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i Command-line arguments: -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i !ENTRY org.eclipse.osgi 4 0 2020-12-18 00:31:39.864 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf5078e3/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf5078e3/.metadata/.log.