/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 11:40:03,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 11:40:03,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 11:40:03,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 11:40:03,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 11:40:03,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 11:40:03,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 11:40:03,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 11:40:03,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 11:40:03,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 11:40:03,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 11:40:03,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 11:40:03,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 11:40:03,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 11:40:03,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 11:40:03,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 11:40:03,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 11:40:03,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 11:40:03,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 11:40:03,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 11:40:03,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 11:40:03,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 11:40:03,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 11:40:03,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 11:40:03,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 11:40:03,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 11:40:03,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 11:40:03,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 11:40:03,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 11:40:03,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 11:40:03,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 11:40:03,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 11:40:03,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 11:40:03,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 11:40:03,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 11:40:03,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 11:40:03,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 11:40:03,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 11:40:03,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 11:40:03,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 11:40:03,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 11:40:03,981 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-SemanticLbe.epf [2021-03-11 11:40:04,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 11:40:04,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 11:40:04,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 11:40:04,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 11:40:04,003 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 11:40:04,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 11:40:04,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 11:40:04,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 11:40:04,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 11:40:04,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 11:40:04,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 11:40:04,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 11:40:04,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 11:40:04,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 11:40:04,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 11:40:04,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 11:40:04,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 11:40:04,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 11:40:04,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 11:40:04,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 11:40:04,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 11:40:04,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 11:40:04,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 11:40:04,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 11:40:04,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 11:40:04,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 11:40:04,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 11:40:04,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 11:40:04,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 11:40:04,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 11:40:04,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 11:40:04,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 11:40:04,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 11:40:04,321 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 11:40:04,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-03-11 11:40:04,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3aceeafa/1842e58bbcee4fe48fdb9e7b0540ffeb/FLAGe4fa2551e [2021-03-11 11:40:04,968 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 11:40:04,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-03-11 11:40:04,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3aceeafa/1842e58bbcee4fe48fdb9e7b0540ffeb/FLAGe4fa2551e [2021-03-11 11:40:05,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3aceeafa/1842e58bbcee4fe48fdb9e7b0540ffeb [2021-03-11 11:40:05,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 11:40:05,406 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 11:40:05,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 11:40:05,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 11:40:05,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 11:40:05,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:40:05" (1/1) ... [2021-03-11 11:40:05,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d54cb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:05, skipping insertion in model container [2021-03-11 11:40:05,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:40:05" (1/1) ... [2021-03-11 11:40:05,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 11:40:05,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 11:40:05,593 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 11:40:06,030 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-03-11 11:40:06,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:40:06,068 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 11:40:06,079 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 11:40:06,101 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2021-03-11 11:40:06,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 11:40:06,369 INFO L208 MainTranslator]: Completed translation [2021-03-11 11:40:06,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06 WrapperNode [2021-03-11 11:40:06,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 11:40:06,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 11:40:06,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 11:40:06,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 11:40:06,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 11:40:06,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 11:40:06,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 11:40:06,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 11:40:06,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (1/1) ... [2021-03-11 11:40:06,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 11:40:06,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 11:40:06,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 11:40:06,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 11:40:06,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (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 [2021-03-11 11:40:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 11:40:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 11:40:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 11:40:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-11 11:40:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 11:40:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 11:40:06,578 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 11:40:07,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 11:40:07,159 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-03-11 11:40:07,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:40:07 BoogieIcfgContainer [2021-03-11 11:40:07,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 11:40:07,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 11:40:07,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 11:40:07,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 11:40:07,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:40:05" (1/3) ... [2021-03-11 11:40:07,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656beb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:40:07, skipping insertion in model container [2021-03-11 11:40:07,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:40:06" (2/3) ... [2021-03-11 11:40:07,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656beb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:40:07, skipping insertion in model container [2021-03-11 11:40:07,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:40:07" (3/3) ... [2021-03-11 11:40:07,168 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2021-03-11 11:40:07,172 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 11:40:07,173 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 11:40:07,176 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-11 11:40:07,177 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 11:40:07,215 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,215 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,221 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,221 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,221 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,221 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,226 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,226 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,226 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,226 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,229 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,232 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,232 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,232 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,232 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,233 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,233 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,235 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,240 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,240 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,241 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,242 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,244 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,244 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,244 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,245 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,245 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,249 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,250 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,250 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,250 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 11:40:07,262 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 11:40:07,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 11:40:07,301 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 11:40:07,301 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 11:40:07,301 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 11:40:07,301 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 11:40:07,301 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 11:40:07,301 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 11:40:07,301 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 11:40:07,301 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 11:40:07,315 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 11:40:07,329 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 137 transitions, 296 flow [2021-03-11 11:40:07,331 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 137 transitions, 296 flow [2021-03-11 11:40:07,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 137 transitions, 296 flow [2021-03-11 11:40:07,404 INFO L129 PetriNetUnfolder]: 9/177 cut-off events. [2021-03-11 11:40:07,404 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 11:40:07,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 177 events. 9/177 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 369 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 91. Up to 4 conditions per place. [2021-03-11 11:40:07,410 INFO L116 LiptonReduction]: Number of co-enabled transitions 2060 [2021-03-11 11:40:29,100 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-11 11:40:34,509 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 6 [2021-03-11 11:40:40,722 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-11 11:40:52,109 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-03-11 11:40:58,458 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-11 11:41:08,713 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-11 11:41:14,360 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-11 11:41:21,851 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-03-11 11:41:22,030 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-03-11 11:41:24,895 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-03-11 11:41:25,003 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-03-11 11:41:25,171 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-11 11:41:25,318 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-11 11:41:25,454 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-11 11:41:25,575 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-11 11:41:26,464 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 143 [2021-03-11 11:41:26,761 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-03-11 11:41:27,339 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 143 [2021-03-11 11:41:27,607 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-03-11 11:41:28,275 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2021-03-11 11:41:28,571 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-03-11 11:41:29,107 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2021-03-11 11:41:29,358 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-03-11 11:41:30,931 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 161 DAG size of output: 156 [2021-03-11 11:41:31,650 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-11 11:41:33,404 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 161 DAG size of output: 156 [2021-03-11 11:41:34,180 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-11 11:41:34,190 INFO L131 LiptonReduction]: Checked pairs total: 4377 [2021-03-11 11:41:34,190 INFO L133 LiptonReduction]: Total number of compositions: 144 [2021-03-11 11:41:34,197 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2021-03-11 11:41:34,213 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 207 states, 198 states have (on average 2.398989898989899) internal successors, (475), 206 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 198 states have (on average 2.398989898989899) internal successors, (475), 206 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-03-11 11:41:34,224 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:34,224 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-03-11 11:41:34,225 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:34,228 INFO L82 PathProgramCache]: Analyzing trace with hash 15010303, now seen corresponding path program 1 times [2021-03-11 11:41:34,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:34,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856285216] [2021-03-11 11:41:34,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:34,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:41:34,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:34,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 11:41:34,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:41:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:34,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856285216] [2021-03-11 11:41:34,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:34,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 11:41:34,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315020906] [2021-03-11 11:41:34,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:41:34,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:34,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:41:34,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:41:34,563 INFO L87 Difference]: Start difference. First operand has 207 states, 198 states have (on average 2.398989898989899) internal successors, (475), 206 states have internal predecessors, (475), 0 states have call successors, (0), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:34,690 INFO L93 Difference]: Finished difference Result 280 states and 638 transitions. [2021-03-11 11:41:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:41:34,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-03-11 11:41:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:34,708 INFO L225 Difference]: With dead ends: 280 [2021-03-11 11:41:34,708 INFO L226 Difference]: Without dead ends: 262 [2021-03-11 11:41:34,709 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:41:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-03-11 11:41:34,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 217. [2021-03-11 11:41:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 212 states have (on average 2.2877358490566038) internal successors, (485), 216 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 485 transitions. [2021-03-11 11:41:34,784 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 485 transitions. Word has length 4 [2021-03-11 11:41:34,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:34,784 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 485 transitions. [2021-03-11 11:41:34,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 485 transitions. [2021-03-11 11:41:34,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-03-11 11:41:34,786 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:34,786 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-11 11:41:34,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 11:41:34,786 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:34,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:34,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1539983226, now seen corresponding path program 1 times [2021-03-11 11:41:34,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:34,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098039602] [2021-03-11 11:41:34,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:34,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:34,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:41:34,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:34,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 11:41:34,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:34,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:41:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:34,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098039602] [2021-03-11 11:41:34,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:34,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:41:34,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764039343] [2021-03-11 11:41:34,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 11:41:34,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:34,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 11:41:34,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 11:41:34,879 INFO L87 Difference]: Start difference. First operand 217 states and 485 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:35,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:35,023 INFO L93 Difference]: Finished difference Result 290 states and 636 transitions. [2021-03-11 11:41:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 11:41:35,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2021-03-11 11:41:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:35,025 INFO L225 Difference]: With dead ends: 290 [2021-03-11 11:41:35,025 INFO L226 Difference]: Without dead ends: 251 [2021-03-11 11:41:35,025 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-11 11:41:35,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-03-11 11:41:35,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 236. [2021-03-11 11:41:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 232 states have (on average 2.336206896551724) internal successors, (542), 235 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 542 transitions. [2021-03-11 11:41:35,034 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 542 transitions. Word has length 6 [2021-03-11 11:41:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:35,035 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 542 transitions. [2021-03-11 11:41:35,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 542 transitions. [2021-03-11 11:41:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 11:41:35,039 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:35,039 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:35,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 11:41:35,040 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:35,040 INFO L82 PathProgramCache]: Analyzing trace with hash -83144657, now seen corresponding path program 1 times [2021-03-11 11:41:35,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:35,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638368805] [2021-03-11 11:41:35,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:41:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 11:41:35,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:41:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:35,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638368805] [2021-03-11 11:41:35,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:35,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 11:41:35,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154769520] [2021-03-11 11:41:35,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 11:41:35,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:35,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 11:41:35,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:41:35,132 INFO L87 Difference]: Start difference. First operand 236 states and 542 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:35,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:35,154 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2021-03-11 11:41:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 11:41:35,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-03-11 11:41:35,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:35,156 INFO L225 Difference]: With dead ends: 86 [2021-03-11 11:41:35,156 INFO L226 Difference]: Without dead ends: 86 [2021-03-11 11:41:35,156 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 11:41:35,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-03-11 11:41:35,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-03-11 11:41:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.9880952380952381) internal successors, (167), 85 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2021-03-11 11:41:35,159 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2021-03-11 11:41:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:35,160 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2021-03-11 11:41:35,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2021-03-11 11:41:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:35,161 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:35,161 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:35,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 11:41:35,161 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:35,161 INFO L82 PathProgramCache]: Analyzing trace with hash 2095716411, now seen corresponding path program 1 times [2021-03-11 11:41:35,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:35,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771776921] [2021-03-11 11:41:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:35,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 11:41:35,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:41:35,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:41:35,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 11:41:35,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:41:35,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:41:35,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:41:35,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:41:35,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:35,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 11:41:35,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:35,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:35,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 11:41:35,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 11:41:35,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 11:41:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:35,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771776921] [2021-03-11 11:41:35,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:35,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-11 11:41:35,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263139759] [2021-03-11 11:41:35,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-11 11:41:35,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:35,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-11 11:41:35,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-11 11:41:35,499 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:36,199 INFO L93 Difference]: Finished difference Result 183 states and 333 transitions. [2021-03-11 11:41:36,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-11 11:41:36,207 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:36,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:36,208 INFO L225 Difference]: With dead ends: 183 [2021-03-11 11:41:36,208 INFO L226 Difference]: Without dead ends: 165 [2021-03-11 11:41:36,210 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 466.4ms TimeCoverageRelationStatistics Valid=237, Invalid=465, Unknown=0, NotChecked=0, Total=702 [2021-03-11 11:41:36,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-03-11 11:41:36,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 120. [2021-03-11 11:41:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 118 states have (on average 2.042372881355932) internal successors, (241), 119 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 241 transitions. [2021-03-11 11:41:36,227 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 241 transitions. Word has length 18 [2021-03-11 11:41:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:36,227 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 241 transitions. [2021-03-11 11:41:36,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 241 transitions. [2021-03-11 11:41:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:36,228 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:36,228 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:36,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 11:41:36,229 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:36,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:36,229 INFO L82 PathProgramCache]: Analyzing trace with hash 2124344601, now seen corresponding path program 1 times [2021-03-11 11:41:36,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:36,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013193638] [2021-03-11 11:41:36,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:36,372 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:36,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:36,383 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-11 11:41:36,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 11:41:36,395 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:36,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:36,409 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-11 11:41:36,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 11:41:36,424 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-11 11:41:36,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:41:36,433 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-11 11:41:36,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:41:36,446 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:36,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:36,459 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:36,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:36,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:36,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:36,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013193638] [2021-03-11 11:41:36,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:36,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:41:36,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821047618] [2021-03-11 11:41:36,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:41:36,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:36,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:41:36,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:41:36,476 INFO L87 Difference]: Start difference. First operand 120 states and 241 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:36,736 INFO L93 Difference]: Finished difference Result 189 states and 349 transitions. [2021-03-11 11:41:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 11:41:36,736 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:36,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:36,737 INFO L225 Difference]: With dead ends: 189 [2021-03-11 11:41:36,737 INFO L226 Difference]: Without dead ends: 189 [2021-03-11 11:41:36,738 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 157.7ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-03-11 11:41:36,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-03-11 11:41:36,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 152. [2021-03-11 11:41:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.9333333333333333) internal successors, (290), 151 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 290 transitions. [2021-03-11 11:41:36,742 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 290 transitions. Word has length 18 [2021-03-11 11:41:36,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:36,742 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 290 transitions. [2021-03-11 11:41:36,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 290 transitions. [2021-03-11 11:41:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:36,743 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:36,744 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:36,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 11:41:36,744 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:36,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:36,744 INFO L82 PathProgramCache]: Analyzing trace with hash 2124344618, now seen corresponding path program 1 times [2021-03-11 11:41:36,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:36,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044398721] [2021-03-11 11:41:36,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:36,946 INFO L142 QuantifierPusher]: treesize reduction 16, result has 78.1 percent of original size [2021-03-11 11:41:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:41:36,979 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size [2021-03-11 11:41:36,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 11:41:37,026 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-03-11 11:41:37,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 11:41:37,059 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 11:41:37,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:37,078 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:37,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:37,096 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:37,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:37,119 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:37,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:37,143 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:41:37,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:41:37,165 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:41:37,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:41:37,201 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-11 11:41:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:41:37,218 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:37,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:37,238 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:37,241 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:37,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044398721] [2021-03-11 11:41:37,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:37,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:37,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777299023] [2021-03-11 11:41:37,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:37,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:37,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:37,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:37,258 INFO L87 Difference]: Start difference. First operand 152 states and 290 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:38,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:38,088 INFO L93 Difference]: Finished difference Result 286 states and 501 transitions. [2021-03-11 11:41:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:41:38,089 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:38,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:38,090 INFO L225 Difference]: With dead ends: 286 [2021-03-11 11:41:38,090 INFO L226 Difference]: Without dead ends: 272 [2021-03-11 11:41:38,091 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 640.6ms TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:41:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-03-11 11:41:38,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 164. [2021-03-11 11:41:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 162 states have (on average 1.9135802469135803) internal successors, (310), 163 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 310 transitions. [2021-03-11 11:41:38,095 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 310 transitions. Word has length 18 [2021-03-11 11:41:38,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:38,096 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 310 transitions. [2021-03-11 11:41:38,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 310 transitions. [2021-03-11 11:41:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:38,097 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:38,097 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:38,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 11:41:38,097 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:38,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:38,097 INFO L82 PathProgramCache]: Analyzing trace with hash 92931834, now seen corresponding path program 2 times [2021-03-11 11:41:38,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:38,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199565813] [2021-03-11 11:41:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:38,223 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:41:38,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:38,237 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-03-11 11:41:38,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:41:38,255 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-03-11 11:41:38,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:38,274 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 11:41:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:38,293 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:38,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:38,316 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:38,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:38,340 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:38,365 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:41:38,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:41:38,391 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:41:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:41:38,437 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:41:38,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:38,480 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:38,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:38,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:38,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:38,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199565813] [2021-03-11 11:41:38,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:38,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:38,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587943816] [2021-03-11 11:41:38,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:38,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:38,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:38,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:38,517 INFO L87 Difference]: Start difference. First operand 164 states and 310 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:39,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:39,445 INFO L93 Difference]: Finished difference Result 287 states and 502 transitions. [2021-03-11 11:41:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:41:39,446 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:39,447 INFO L225 Difference]: With dead ends: 287 [2021-03-11 11:41:39,447 INFO L226 Difference]: Without dead ends: 268 [2021-03-11 11:41:39,447 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 716.9ms TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-03-11 11:41:39,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-03-11 11:41:39,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 160. [2021-03-11 11:41:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 158 states have (on average 1.9113924050632911) internal successors, (302), 159 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 302 transitions. [2021-03-11 11:41:39,452 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 302 transitions. Word has length 18 [2021-03-11 11:41:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:39,452 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 302 transitions. [2021-03-11 11:41:39,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 302 transitions. [2021-03-11 11:41:39,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:39,453 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:39,453 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:39,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 11:41:39,454 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:39,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1497025872, now seen corresponding path program 3 times [2021-03-11 11:41:39,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:39,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061708370] [2021-03-11 11:41:39,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:39,539 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 11:41:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:39,552 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-03-11 11:41:39,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:41:39,570 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:41:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:39,589 INFO L142 QuantifierPusher]: treesize reduction 28, result has 54.8 percent of original size [2021-03-11 11:41:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:39,612 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.0 percent of original size [2021-03-11 11:41:39,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:39,636 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:41:39,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:39,660 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:41:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:39,683 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-11 11:41:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:41:39,705 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 11:41:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:39,728 INFO L142 QuantifierPusher]: treesize reduction 35, result has 46.2 percent of original size [2021-03-11 11:41:39,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:39,762 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:41:39,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:39,784 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:39,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061708370] [2021-03-11 11:41:39,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:39,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:39,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412965750] [2021-03-11 11:41:39,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:39,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:39,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:39,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:39,805 INFO L87 Difference]: Start difference. First operand 160 states and 302 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:40,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:40,717 INFO L93 Difference]: Finished difference Result 252 states and 456 transitions. [2021-03-11 11:41:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:41:40,718 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:40,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:40,719 INFO L225 Difference]: With dead ends: 252 [2021-03-11 11:41:40,719 INFO L226 Difference]: Without dead ends: 228 [2021-03-11 11:41:40,719 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 654.1ms TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:41:40,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-03-11 11:41:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 156. [2021-03-11 11:41:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 154 states have (on average 1.9090909090909092) internal successors, (294), 155 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 294 transitions. [2021-03-11 11:41:40,723 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 294 transitions. Word has length 18 [2021-03-11 11:41:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:40,724 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 294 transitions. [2021-03-11 11:41:40,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 294 transitions. [2021-03-11 11:41:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:40,725 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:40,725 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:40,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 11:41:40,725 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:40,725 INFO L82 PathProgramCache]: Analyzing trace with hash -111289327, now seen corresponding path program 2 times [2021-03-11 11:41:40,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:40,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975630309] [2021-03-11 11:41:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:40,825 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-11 11:41:40,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:40,835 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-11 11:41:40,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 11:41:40,851 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-11 11:41:40,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:40,866 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-11 11:41:40,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 11:41:40,879 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-11 11:41:40,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:41:40,898 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-11 11:41:40,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:40,909 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:40,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:40,924 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:40,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:40,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975630309] [2021-03-11 11:41:40,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:40,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 11:41:40,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429427269] [2021-03-11 11:41:40,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 11:41:40,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:40,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 11:41:40,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 11:41:40,938 INFO L87 Difference]: Start difference. First operand 156 states and 294 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:41,229 INFO L93 Difference]: Finished difference Result 195 states and 356 transitions. [2021-03-11 11:41:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 11:41:41,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:41,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:41,230 INFO L225 Difference]: With dead ends: 195 [2021-03-11 11:41:41,230 INFO L226 Difference]: Without dead ends: 195 [2021-03-11 11:41:41,231 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 205.7ms TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:41,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-03-11 11:41:41,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 156. [2021-03-11 11:41:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 154 states have (on average 1.9090909090909092) internal successors, (294), 155 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 294 transitions. [2021-03-11 11:41:41,242 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 294 transitions. Word has length 18 [2021-03-11 11:41:41,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:41,243 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 294 transitions. [2021-03-11 11:41:41,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 294 transitions. [2021-03-11 11:41:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:41,243 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:41,244 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:41,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 11:41:41,244 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:41,244 INFO L82 PathProgramCache]: Analyzing trace with hash -111289310, now seen corresponding path program 4 times [2021-03-11 11:41:41,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:41,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311440239] [2021-03-11 11:41:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:41,367 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:41:41,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:41,384 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-03-11 11:41:41,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:41:41,401 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-03-11 11:41:41,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:41,419 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 11:41:41,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:41,439 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:41,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:41,461 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:41,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:41,484 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:41,511 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:41:41,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:41,535 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:41:41,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:41,563 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:41:41,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:41,607 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:41,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:41,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:41,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311440239] [2021-03-11 11:41:41,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:41,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:41,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551858537] [2021-03-11 11:41:41,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:41,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:41,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:41,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:41,652 INFO L87 Difference]: Start difference. First operand 156 states and 294 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:42,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:42,465 INFO L93 Difference]: Finished difference Result 244 states and 439 transitions. [2021-03-11 11:41:42,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 11:41:42,465 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:42,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:42,466 INFO L225 Difference]: With dead ends: 244 [2021-03-11 11:41:42,466 INFO L226 Difference]: Without dead ends: 212 [2021-03-11 11:41:42,467 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 637.6ms TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-03-11 11:41:42,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-03-11 11:41:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 149. [2021-03-11 11:41:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 147 states have (on average 1.9319727891156462) internal successors, (284), 148 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 284 transitions. [2021-03-11 11:41:42,470 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 284 transitions. Word has length 18 [2021-03-11 11:41:42,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:42,471 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 284 transitions. [2021-03-11 11:41:42,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2021-03-11 11:41:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:42,471 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:42,471 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:42,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 11:41:42,472 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:42,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:42,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1204892672, now seen corresponding path program 5 times [2021-03-11 11:41:42,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:42,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743249853] [2021-03-11 11:41:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:42,548 INFO L142 QuantifierPusher]: treesize reduction 16, result has 78.1 percent of original size [2021-03-11 11:41:42,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 11:41:42,578 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.8 percent of original size [2021-03-11 11:41:42,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 11:41:42,619 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-03-11 11:41:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 11:41:42,660 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 11:41:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:42,680 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:42,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:42,701 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:42,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:42,722 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:42,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:42,745 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:41:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:41:42,769 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:41:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:41:42,809 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-11 11:41:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:41:42,829 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:42,851 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:42,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:42,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743249853] [2021-03-11 11:41:42,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:42,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:42,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618530286] [2021-03-11 11:41:42,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:42,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:42,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:42,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:42,874 INFO L87 Difference]: Start difference. First operand 149 states and 284 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:43,943 INFO L93 Difference]: Finished difference Result 330 states and 590 transitions. [2021-03-11 11:41:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 11:41:43,943 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:43,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:43,945 INFO L225 Difference]: With dead ends: 330 [2021-03-11 11:41:43,945 INFO L226 Difference]: Without dead ends: 316 [2021-03-11 11:41:43,945 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 898.7ms TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-03-11 11:41:43,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-03-11 11:41:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 165. [2021-03-11 11:41:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 163 states have (on average 1.9386503067484662) internal successors, (316), 164 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 316 transitions. [2021-03-11 11:41:43,950 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 316 transitions. Word has length 18 [2021-03-11 11:41:43,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:43,950 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 316 transitions. [2021-03-11 11:41:43,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 316 transitions. [2021-03-11 11:41:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:43,951 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:43,951 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:43,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 11:41:43,951 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:43,951 INFO L82 PathProgramCache]: Analyzing trace with hash -826520112, now seen corresponding path program 6 times [2021-03-11 11:41:43,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:43,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027469634] [2021-03-11 11:41:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:44,024 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:41:44,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:44,037 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-03-11 11:41:44,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:41:44,055 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-03-11 11:41:44,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:44,073 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 11:41:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:44,095 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:44,117 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:44,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:44,140 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:44,163 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-11 11:41:44,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:41:44,188 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-11 11:41:44,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:41:44,230 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:41:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:44,271 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:44,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:44,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:44,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027469634] [2021-03-11 11:41:44,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:44,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:44,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182375618] [2021-03-11 11:41:44,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:44,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:44,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:44,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:44,310 INFO L87 Difference]: Start difference. First operand 165 states and 316 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:45,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:45,312 INFO L93 Difference]: Finished difference Result 331 states and 591 transitions. [2021-03-11 11:41:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 11:41:45,312 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:45,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:45,314 INFO L225 Difference]: With dead ends: 331 [2021-03-11 11:41:45,314 INFO L226 Difference]: Without dead ends: 312 [2021-03-11 11:41:45,314 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 835.5ms TimeCoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2021-03-11 11:41:45,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-03-11 11:41:45,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 161. [2021-03-11 11:41:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 159 states have (on average 1.9371069182389937) internal successors, (308), 160 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 308 transitions. [2021-03-11 11:41:45,318 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 308 transitions. Word has length 18 [2021-03-11 11:41:45,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:45,319 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 308 transitions. [2021-03-11 11:41:45,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2021-03-11 11:41:45,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:45,319 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:45,320 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:45,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 11:41:45,320 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:45,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:45,320 INFO L82 PathProgramCache]: Analyzing trace with hash 577573926, now seen corresponding path program 7 times [2021-03-11 11:41:45,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:45,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947118012] [2021-03-11 11:41:45,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:45,406 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-11 11:41:45,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:45,419 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-03-11 11:41:45,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:41:45,436 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:41:45,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:45,453 INFO L142 QuantifierPusher]: treesize reduction 28, result has 54.8 percent of original size [2021-03-11 11:41:45,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:45,474 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.0 percent of original size [2021-03-11 11:41:45,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:45,508 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.0 percent of original size [2021-03-11 11:41:45,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:45,532 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-11 11:41:45,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:45,552 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-11 11:41:45,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 11:41:45,572 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 11:41:45,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:45,604 INFO L142 QuantifierPusher]: treesize reduction 35, result has 46.2 percent of original size [2021-03-11 11:41:45,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:45,639 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:41:45,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:45,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:45,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:45,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947118012] [2021-03-11 11:41:45,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:45,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:45,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731236767] [2021-03-11 11:41:45,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:45,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:45,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:45,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:45,675 INFO L87 Difference]: Start difference. First operand 161 states and 308 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:46,606 INFO L93 Difference]: Finished difference Result 323 states and 582 transitions. [2021-03-11 11:41:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:41:46,606 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:46,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:46,607 INFO L225 Difference]: With dead ends: 323 [2021-03-11 11:41:46,607 INFO L226 Difference]: Without dead ends: 299 [2021-03-11 11:41:46,608 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 730.9ms TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:41:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-03-11 11:41:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 157. [2021-03-11 11:41:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 155 states have (on average 1.935483870967742) internal successors, (300), 156 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 300 transitions. [2021-03-11 11:41:46,612 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 300 transitions. Word has length 18 [2021-03-11 11:41:46,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:46,612 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 300 transitions. [2021-03-11 11:41:46,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 300 transitions. [2021-03-11 11:41:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:46,613 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:46,613 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:46,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 11:41:46,613 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:46,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:46,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1030741256, now seen corresponding path program 8 times [2021-03-11 11:41:46,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:46,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435914221] [2021-03-11 11:41:46,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:46,693 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:41:46,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:46,717 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-03-11 11:41:46,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 11:41:46,739 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-03-11 11:41:46,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:46,759 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-11 11:41:46,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:46,778 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:46,795 INFO L142 QuantifierPusher]: treesize reduction 26, result has 51.9 percent of original size [2021-03-11 11:41:46,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 11:41:46,827 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-11 11:41:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 11:41:46,849 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-11 11:41:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 11:41:46,873 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-11 11:41:46,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 11:41:46,895 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-11 11:41:46,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 11:41:46,928 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-11 11:41:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:46,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:46,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435914221] [2021-03-11 11:41:46,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:46,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-11 11:41:46,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643516804] [2021-03-11 11:41:46,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 11:41:46,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:46,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 11:41:46,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-11 11:41:46,962 INFO L87 Difference]: Start difference. First operand 157 states and 300 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:47,847 INFO L93 Difference]: Finished difference Result 346 states and 613 transitions. [2021-03-11 11:41:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 11:41:47,847 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:47,848 INFO L225 Difference]: With dead ends: 346 [2021-03-11 11:41:47,848 INFO L226 Difference]: Without dead ends: 317 [2021-03-11 11:41:47,849 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 677.1ms TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-03-11 11:41:47,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-03-11 11:41:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 153. [2021-03-11 11:41:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 151 states have (on average 1.9337748344370862) internal successors, (292), 152 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 292 transitions. [2021-03-11 11:41:47,853 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 292 transitions. Word has length 18 [2021-03-11 11:41:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:47,853 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 292 transitions. [2021-03-11 11:41:47,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 292 transitions. [2021-03-11 11:41:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:47,854 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:47,854 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:47,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 11:41:47,854 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:47,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:47,855 INFO L82 PathProgramCache]: Analyzing trace with hash -781105769, now seen corresponding path program 3 times [2021-03-11 11:41:47,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:47,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594760007] [2021-03-11 11:41:47,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 11:41:47,946 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:41:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:47,956 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-03-11 11:41:47,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 11:41:47,968 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-11 11:41:47,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:41:47,985 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-11 11:41:47,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 11:41:48,002 INFO L142 QuantifierPusher]: treesize reduction 44, result has 47.0 percent of original size [2021-03-11 11:41:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 11:41:48,020 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-11 11:41:48,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 11:41:48,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-11 11:41:48,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 11:41:48,046 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:41:48,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:48,058 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-11 11:41:48,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 11:41:48,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 11:41:48,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 11:41:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 11:41:48,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594760007] [2021-03-11 11:41:48,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 11:41:48,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 11:41:48,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096259723] [2021-03-11 11:41:48,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-11 11:41:48,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 11:41:48,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-11 11:41:48,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-11 11:41:48,080 INFO L87 Difference]: Start difference. First operand 153 states and 292 transitions. Second operand has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 11:41:48,662 INFO L93 Difference]: Finished difference Result 269 states and 490 transitions. [2021-03-11 11:41:48,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 11:41:48,663 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-03-11 11:41:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 11:41:48,664 INFO L225 Difference]: With dead ends: 269 [2021-03-11 11:41:48,664 INFO L226 Difference]: Without dead ends: 269 [2021-03-11 11:41:48,664 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 413.4ms TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-03-11 11:41:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-03-11 11:41:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 165. [2021-03-11 11:41:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 163 states have (on average 2.0306748466257667) internal successors, (331), 164 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 331 transitions. [2021-03-11 11:41:48,668 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 331 transitions. Word has length 18 [2021-03-11 11:41:48,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 11:41:48,669 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 331 transitions. [2021-03-11 11:41:48,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 11:41:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 331 transitions. [2021-03-11 11:41:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-03-11 11:41:48,669 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 11:41:48,669 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 11:41:48,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 11:41:48,670 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 11:41:48,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 11:41:48,670 INFO L82 PathProgramCache]: Analyzing trace with hash -781105752, now seen corresponding path program 9 times [2021-03-11 11:41:48,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 11:41:48,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773071763] [2021-03-11 11:41:48,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 11:41:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 11:41:48,694 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 11:41:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 11:41:48,715 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 11:41:48,748 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 11:41:48,749 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 11:41:48,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 11:41:48,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 11:41:48 BasicIcfg [2021-03-11 11:41:48,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 11:41:48,789 INFO L168 Benchmark]: Toolchain (without parser) took 103388.35 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 234.6 MB in the beginning and 195.6 MB in the end (delta: 39.0 MB). Peak memory consumption was 168.6 MB. Max. memory is 16.0 GB. [2021-03-11 11:41:48,790 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 11:41:48,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.91 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 233.9 MB in the beginning and 300.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.0 GB. [2021-03-11 11:41:48,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.77 ms. Allocated memory is still 385.9 MB. Free memory was 300.7 MB in the beginning and 363.7 MB in the end (delta: -63.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.0 GB. [2021-03-11 11:41:48,790 INFO L168 Benchmark]: Boogie Preprocessor took 47.14 ms. Allocated memory is still 385.9 MB. Free memory was 363.7 MB in the beginning and 360.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:41:48,790 INFO L168 Benchmark]: RCFGBuilder took 634.46 ms. Allocated memory is still 385.9 MB. Free memory was 360.6 MB in the beginning and 314.5 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. [2021-03-11 11:41:48,790 INFO L168 Benchmark]: TraceAbstraction took 101626.96 ms. Allocated memory is still 385.9 MB. Free memory was 314.5 MB in the beginning and 195.6 MB in the end (delta: 118.9 MB). Peak memory consumption was 120.0 MB. Max. memory is 16.0 GB. [2021-03-11 11:41:48,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 963.91 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 233.9 MB in the beginning and 300.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 99.77 ms. Allocated memory is still 385.9 MB. Free memory was 300.7 MB in the beginning and 363.7 MB in the end (delta: -63.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 47.14 ms. Allocated memory is still 385.9 MB. Free memory was 363.7 MB in the beginning and 360.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 634.46 ms. Allocated memory is still 385.9 MB. Free memory was 360.6 MB in the beginning and 314.5 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 101626.96 ms. Allocated memory is still 385.9 MB. Free memory was 314.5 MB in the beginning and 195.6 MB in the end (delta: 118.9 MB). Peak memory consumption was 120.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86859.3ms, 135 PlacesBefore, 35 PlacesAfterwards, 137 TransitionsBefore, 34 TransitionsAfterwards, 2060 CoEnabledTransitionPairs, 7 FixpointIterations, 72 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 19 ConcurrentYvCompositions, 3 ChoiceCompositions, 144 TotalNumberOfCompositions, 4377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2141, positive: 1976, positive conditional: 0, positive unconditional: 1976, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1438, positive: 1392, positive conditional: 0, positive unconditional: 1392, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1438, positive: 1392, positive conditional: 0, positive unconditional: 1392, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71253, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 660, negative conditional: 0, negative unconditional: 660, unknown: 70593, unknown conditional: 0, unknown unconditional: 70593] ], Cache Queries: [ total: 2141, positive: 584, positive conditional: 0, positive unconditional: 584, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 1438, unknown conditional: 0, unknown unconditional: 1438] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, t1={8:0}, t2={6:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={8:0}, t2={6:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] [L1738] 0 data.shared.a [L1675] COND FALSE 0 !(!expression) [L1739] 0 data.shared.b [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={8:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 101450.9ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 20.4ms, AutomataDifference: 9572.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 86912.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 305 SDtfs, 1053 SDslu, 1402 SDs, 0 SdLazy, 4005 SolverSat, 601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4036.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 10 SyntacticMatches, 5 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 7063.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=2, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 144.6ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1244 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.9ms SsaConstructionTime, 373.9ms SatisfiabilityAnalysisTime, 3977.0ms InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 4984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 proved your program to be incorrect! Received shutdown request...