/usr/bin/java -Xmx8000000000 -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-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 00:21:06,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 00:21:06,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 00:21:06,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 00:21:06,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 00:21:06,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 00:21:06,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 00:21:06,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 00:21:06,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 00:21:06,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 00:21:06,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 00:21:06,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 00:21:06,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 00:21:06,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 00:21:06,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 00:21:06,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 00:21:06,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 00:21:06,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 00:21:06,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 00:21:06,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 00:21:06,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-07-14 00:21:06,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 00:21:06,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 00:21:06,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 00:21:06,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 00:21:06,650 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 00:21:06,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 00:21:06,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 00:21:06,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 00:21:06,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 00:21:06,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 00:21:06,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 00:21:06,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 00:21:06,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 00:21:06,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 00:21:06,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 00:21:06,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 00:21:06,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 00:21:06,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 00:21:06,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 00:21:06,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 00:21:06,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 00:21:06,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:21:06,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 00:21:06,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 00:21:06,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 00:21:06,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 00:21:06,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 00:21:06,654 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 00:21:06,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 00:21:06,654 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-14 00:21:06,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 00:21:06,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 00:21:07,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 00:21:07,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 00:21:07,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 00:21:07,008 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 00:21:07,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-07-14 00:21:07,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28bbe1b8/7bab292c211a40489ee9924c63970476/FLAG1905ceb41 [2021-07-14 00:21:07,666 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 00:21:07,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-07-14 00:21:07,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28bbe1b8/7bab292c211a40489ee9924c63970476/FLAG1905ceb41 [2021-07-14 00:21:08,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28bbe1b8/7bab292c211a40489ee9924c63970476 [2021-07-14 00:21:08,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 00:21:08,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 00:21:08,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 00:21:08,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 00:21:08,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 00:21:08,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:08" (1/1) ... [2021-07-14 00:21:08,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25775ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:08, skipping insertion in model container [2021-07-14 00:21:08,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:08" (1/1) ... [2021-07-14 00:21:08,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 00:21:08,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 00:21:08,275 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-14 00:21:08,914 WARN L224 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-3_2-container_of-global.i[75009,75022] [2021-07-14 00:21:08,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:21:08,954 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 00:21:08,964 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-14 00:21:09,000 WARN L224 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-3_2-container_of-global.i[75009,75022] [2021-07-14 00:21:09,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:21:09,143 INFO L208 MainTranslator]: Completed translation [2021-07-14 00:21:09,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09 WrapperNode [2021-07-14 00:21:09,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 00:21:09,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 00:21:09,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 00:21:09,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 00:21:09,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 00:21:09,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 00:21:09,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 00:21:09,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 00:21:09,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (1/1) ... [2021-07-14 00:21:09,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 00:21:09,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 00:21:09,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 00:21:09,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 00:21:09,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (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 [2021-07-14 00:21:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 00:21:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 00:21:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 00:21:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 00:21:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-14 00:21:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 00:21:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 00:21:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-07-14 00:21:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-07-14 00:21:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 00:21:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 00:21:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 00:21:09,367 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 00:21:09,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 00:21:09,984 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-07-14 00:21:09,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:09 BoogieIcfgContainer [2021-07-14 00:21:09,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 00:21:09,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 00:21:09,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 00:21:09,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 00:21:09,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:21:08" (1/3) ... [2021-07-14 00:21:09,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2d1e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:09, skipping insertion in model container [2021-07-14 00:21:09,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:09" (2/3) ... [2021-07-14 00:21:09,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2d1e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:09, skipping insertion in model container [2021-07-14 00:21:09,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:09" (3/3) ... [2021-07-14 00:21:09,994 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-07-14 00:21:09,999 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 00:21:09,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 00:21:10,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-07-14 00:21:10,000 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 00:21:10,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,038 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,060 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,063 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:10,077 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 00:21:10,112 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-07-14 00:21:10,127 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 00:21:10,127 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 00:21:10,127 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 00:21:10,127 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 00:21:10,128 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 00:21:10,128 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 00:21:10,128 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 00:21:10,128 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 00:22:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 4270 states, 3859 states have (on average 1.5680228038351904) internal successors, (6051), 4269 states have internal predecessors, (6051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-14 00:22:03,702 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:03,703 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:03,703 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:03,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:03,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1369970770, now seen corresponding path program 1 times [2021-07-14 00:22:03,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:03,719 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687924436] [2021-07-14 00:22:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:04,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:04,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:04,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:04,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:04,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:04,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:04,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:04,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687924436] [2021-07-14 00:22:04,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687924436] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:04,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:04,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:04,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128079635] [2021-07-14 00:22:04,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:04,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:04,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:04,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:04,234 INFO L87 Difference]: Start difference. First operand has 4270 states, 3859 states have (on average 1.5680228038351904) internal successors, (6051), 4269 states have internal predecessors, (6051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:04,485 INFO L93 Difference]: Finished difference Result 4064 states and 5676 transitions. [2021-07-14 00:22:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:22:04,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-07-14 00:22:04,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:04,508 INFO L225 Difference]: With dead ends: 4064 [2021-07-14 00:22:04,508 INFO L226 Difference]: Without dead ends: 1842 [2021-07-14 00:22:04,509 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 142.2ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:22:04,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-07-14 00:22:04,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1841. [2021-07-14 00:22:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1816 states have (on average 1.5357929515418502) internal successors, (2789), 1840 states have internal predecessors, (2789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2789 transitions. [2021-07-14 00:22:04,633 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2789 transitions. Word has length 36 [2021-07-14 00:22:04,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:04,634 INFO L482 AbstractCegarLoop]: Abstraction has 1841 states and 2789 transitions. [2021-07-14 00:22:04,634 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2789 transitions. [2021-07-14 00:22:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-14 00:22:04,635 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:04,636 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:04,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 00:22:04,636 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:04,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:04,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1499060535, now seen corresponding path program 1 times [2021-07-14 00:22:04,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:04,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587575364] [2021-07-14 00:22:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:04,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:04,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:04,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:04,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:04,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:04,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:04,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:04,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:04,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587575364] [2021-07-14 00:22:04,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587575364] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:04,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:04,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:04,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384702856] [2021-07-14 00:22:04,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:04,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:04,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:04,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:04,827 INFO L87 Difference]: Start difference. First operand 1841 states and 2789 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:05,001 INFO L93 Difference]: Finished difference Result 1843 states and 2791 transitions. [2021-07-14 00:22:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 00:22:05,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2021-07-14 00:22:05,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:05,010 INFO L225 Difference]: With dead ends: 1843 [2021-07-14 00:22:05,010 INFO L226 Difference]: Without dead ends: 1843 [2021-07-14 00:22:05,012 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 72.7ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-14 00:22:05,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2021-07-14 00:22:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1839. [2021-07-14 00:22:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1815 states have (on average 1.5355371900826447) internal successors, (2787), 1838 states have internal predecessors, (2787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2787 transitions. [2021-07-14 00:22:05,082 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2787 transitions. Word has length 42 [2021-07-14 00:22:05,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:05,083 INFO L482 AbstractCegarLoop]: Abstraction has 1839 states and 2787 transitions. [2021-07-14 00:22:05,083 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2787 transitions. [2021-07-14 00:22:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-14 00:22:05,084 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:05,084 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:05,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 00:22:05,085 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:05,085 INFO L82 PathProgramCache]: Analyzing trace with hash 709377487, now seen corresponding path program 1 times [2021-07-14 00:22:05,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:05,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212946940] [2021-07-14 00:22:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:05,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:05,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:05,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:05,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:05,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:05,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:05,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212946940] [2021-07-14 00:22:05,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212946940] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:05,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:05,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:05,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261939828] [2021-07-14 00:22:05,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:05,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:05,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:05,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:05,255 INFO L87 Difference]: Start difference. First operand 1839 states and 2787 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:05,587 INFO L93 Difference]: Finished difference Result 2962 states and 4747 transitions. [2021-07-14 00:22:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 00:22:05,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2021-07-14 00:22:05,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:05,604 INFO L225 Difference]: With dead ends: 2962 [2021-07-14 00:22:05,604 INFO L226 Difference]: Without dead ends: 2962 [2021-07-14 00:22:05,604 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 111.4ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:22:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2021-07-14 00:22:05,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2073. [2021-07-14 00:22:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 2050 states have (on average 1.5897560975609757) internal successors, (3259), 2072 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 3259 transitions. [2021-07-14 00:22:05,680 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 3259 transitions. Word has length 60 [2021-07-14 00:22:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:05,682 INFO L482 AbstractCegarLoop]: Abstraction has 2073 states and 3259 transitions. [2021-07-14 00:22:05,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 3259 transitions. [2021-07-14 00:22:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-14 00:22:05,689 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:05,689 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:05,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 00:22:05,690 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:05,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:05,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1924610094, now seen corresponding path program 1 times [2021-07-14 00:22:05,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:05,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047651539] [2021-07-14 00:22:05,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:05,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:05,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:05,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:05,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:05,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:05,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:05,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:05,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047651539] [2021-07-14 00:22:05,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047651539] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:05,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:05,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:05,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438589348] [2021-07-14 00:22:05,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:05,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:05,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:05,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:05,821 INFO L87 Difference]: Start difference. First operand 2073 states and 3259 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:06,147 INFO L93 Difference]: Finished difference Result 3196 states and 5186 transitions. [2021-07-14 00:22:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:22:06,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-07-14 00:22:06,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:06,159 INFO L225 Difference]: With dead ends: 3196 [2021-07-14 00:22:06,160 INFO L226 Difference]: Without dead ends: 2577 [2021-07-14 00:22:06,160 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 114.4ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:22:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2021-07-14 00:22:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2205. [2021-07-14 00:22:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2205 states, 2183 states have (on average 1.7311039853412735) internal successors, (3779), 2204 states have internal predecessors, (3779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 3779 transitions. [2021-07-14 00:22:06,227 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 3779 transitions. Word has length 66 [2021-07-14 00:22:06,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:06,227 INFO L482 AbstractCegarLoop]: Abstraction has 2205 states and 3779 transitions. [2021-07-14 00:22:06,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 3779 transitions. [2021-07-14 00:22:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-07-14 00:22:06,230 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:06,231 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:06,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 00:22:06,231 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:06,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:06,231 INFO L82 PathProgramCache]: Analyzing trace with hash 12404866, now seen corresponding path program 1 times [2021-07-14 00:22:06,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:06,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033744743] [2021-07-14 00:22:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:06,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:06,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:06,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033744743] [2021-07-14 00:22:06,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033744743] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:06,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:06,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 00:22:06,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809246014] [2021-07-14 00:22:06,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 00:22:06,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:06,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 00:22:06,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 00:22:06,314 INFO L87 Difference]: Start difference. First operand 2205 states and 3779 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:06,352 INFO L93 Difference]: Finished difference Result 415 states and 564 transitions. [2021-07-14 00:22:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 00:22:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2021-07-14 00:22:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:06,354 INFO L225 Difference]: With dead ends: 415 [2021-07-14 00:22:06,354 INFO L226 Difference]: Without dead ends: 415 [2021-07-14 00:22:06,355 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:22:06,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-07-14 00:22:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2021-07-14 00:22:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 413 states have (on average 1.3656174334140436) internal successors, (564), 414 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 564 transitions. [2021-07-14 00:22:06,363 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 564 transitions. Word has length 78 [2021-07-14 00:22:06,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:06,364 INFO L482 AbstractCegarLoop]: Abstraction has 415 states and 564 transitions. [2021-07-14 00:22:06,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 564 transitions. [2021-07-14 00:22:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:06,365 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:06,365 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:06,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 00:22:06,366 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:06,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:06,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1109455868, now seen corresponding path program 1 times [2021-07-14 00:22:06,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:06,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774132845] [2021-07-14 00:22:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:06,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:06,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:06,691 INFO L142 QuantifierPusher]: treesize reduction 17, result has 59.5 percent of original size [2021-07-14 00:22:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:06,721 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:22:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:06,744 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-07-14 00:22:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:06,764 INFO L142 QuantifierPusher]: treesize reduction 10, result has 61.5 percent of original size [2021-07-14 00:22:06,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:06,784 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:22:06,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:06,804 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:06,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:06,829 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:22:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:06,847 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:22:06,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:06,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:06,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:06,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:06,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:06,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:06,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774132845] [2021-07-14 00:22:06,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774132845] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:06,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:06,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-14 00:22:06,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872617308] [2021-07-14 00:22:06,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 00:22:06,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:06,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 00:22:06,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:22:06,934 INFO L87 Difference]: Start difference. First operand 415 states and 564 transitions. Second operand has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:07,724 INFO L93 Difference]: Finished difference Result 493 states and 670 transitions. [2021-07-14 00:22:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 00:22:07,725 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:07,727 INFO L225 Difference]: With dead ends: 493 [2021-07-14 00:22:07,727 INFO L226 Difference]: Without dead ends: 493 [2021-07-14 00:22:07,727 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 710.4ms TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2021-07-14 00:22:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-07-14 00:22:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 485. [2021-07-14 00:22:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 483 states have (on average 1.3726708074534162) internal successors, (663), 484 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 663 transitions. [2021-07-14 00:22:07,736 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 663 transitions. Word has length 105 [2021-07-14 00:22:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:07,737 INFO L482 AbstractCegarLoop]: Abstraction has 485 states and 663 transitions. [2021-07-14 00:22:07,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 663 transitions. [2021-07-14 00:22:07,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:07,738 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:07,738 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:07,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 00:22:07,739 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:07,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:07,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1193986636, now seen corresponding path program 2 times [2021-07-14 00:22:07,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:07,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111949543] [2021-07-14 00:22:07,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:07,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:07,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:07,947 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-14 00:22:07,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:07,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:07,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,977 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-07-14 00:22:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:07,998 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-07-14 00:22:08,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-14 00:22:08,025 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-14 00:22:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:08,061 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-14 00:22:08,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:08,098 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-14 00:22:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:08,145 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:22:08,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:22:08,191 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-07-14 00:22:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:08,215 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:08,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:08,217 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:22:08,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:08,234 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:08,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:08,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:08,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:08,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:08,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:08,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:08,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:08,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:08,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:08,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:08,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:08,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:08,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111949543] [2021-07-14 00:22:08,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111949543] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:08,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:08,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-14 00:22:08,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507648515] [2021-07-14 00:22:08,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 00:22:08,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:08,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 00:22:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:22:08,327 INFO L87 Difference]: Start difference. First operand 485 states and 663 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:09,154 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2021-07-14 00:22:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:09,571 INFO L93 Difference]: Finished difference Result 696 states and 985 transitions. [2021-07-14 00:22:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 00:22:09,572 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:09,575 INFO L225 Difference]: With dead ends: 696 [2021-07-14 00:22:09,575 INFO L226 Difference]: Without dead ends: 696 [2021-07-14 00:22:09,575 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1132.8ms TimeCoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:22:09,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-07-14 00:22:09,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 535. [2021-07-14 00:22:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 533 states have (on average 1.4296435272045027) internal successors, (762), 534 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 762 transitions. [2021-07-14 00:22:09,586 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 762 transitions. Word has length 105 [2021-07-14 00:22:09,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:09,587 INFO L482 AbstractCegarLoop]: Abstraction has 535 states and 762 transitions. [2021-07-14 00:22:09,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 762 transitions. [2021-07-14 00:22:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:09,588 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:09,588 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:09,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 00:22:09,589 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:09,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:09,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1080366318, now seen corresponding path program 1 times [2021-07-14 00:22:09,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:09,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214687204] [2021-07-14 00:22:09,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:09,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:09,814 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-14 00:22:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:22:09,822 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 00:22:09,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:09,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:09,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:09,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:10,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:10,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:10,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:10,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:10,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:10,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-14 00:22:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:10,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:10,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-14 00:22:10,261 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-14 00:22:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-14 00:22:10,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:10,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:10,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214687204] [2021-07-14 00:22:10,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214687204] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:10,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:10,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-07-14 00:22:10,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985619401] [2021-07-14 00:22:10,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 00:22:10,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:10,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 00:22:10,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-07-14 00:22:10,342 INFO L87 Difference]: Start difference. First operand 535 states and 762 transitions. Second operand has 21 states, 21 states have (on average 5.0) internal successors, (105), 21 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:12,060 INFO L93 Difference]: Finished difference Result 796 states and 1161 transitions. [2021-07-14 00:22:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 00:22:12,060 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.0) internal successors, (105), 21 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:12,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:12,063 INFO L225 Difference]: With dead ends: 796 [2021-07-14 00:22:12,063 INFO L226 Difference]: Without dead ends: 731 [2021-07-14 00:22:12,064 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1363.1ms TimeCoverageRelationStatistics Valid=419, Invalid=1387, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 00:22:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-07-14 00:22:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 608. [2021-07-14 00:22:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 606 states have (on average 1.4785478547854785) internal successors, (896), 607 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 896 transitions. [2021-07-14 00:22:12,076 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 896 transitions. Word has length 105 [2021-07-14 00:22:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:12,077 INFO L482 AbstractCegarLoop]: Abstraction has 608 states and 896 transitions. [2021-07-14 00:22:12,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.0) internal successors, (105), 21 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 896 transitions. [2021-07-14 00:22:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:12,078 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:12,079 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:12,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 00:22:12,079 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:12,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:12,079 INFO L82 PathProgramCache]: Analyzing trace with hash 143860660, now seen corresponding path program 3 times [2021-07-14 00:22:12,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:12,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190583874] [2021-07-14 00:22:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:12,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:12,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:12,280 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-14 00:22:12,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:12,292 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:12,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:12,305 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-14 00:22:12,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:12,319 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-14 00:22:12,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:12,333 INFO L142 QuantifierPusher]: treesize reduction 13, result has 51.9 percent of original size [2021-07-14 00:22:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:12,349 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:12,370 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:22:12,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:12,384 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:12,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:12,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:12,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:12,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:12,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:12,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:12,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:12,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:12,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:12,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190583874] [2021-07-14 00:22:12,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190583874] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:12,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:12,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-14 00:22:12,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267360454] [2021-07-14 00:22:12,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 00:22:12,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:12,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 00:22:12,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:22:12,470 INFO L87 Difference]: Start difference. First operand 608 states and 896 transitions. Second operand has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:13,150 INFO L93 Difference]: Finished difference Result 728 states and 1062 transitions. [2021-07-14 00:22:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 00:22:13,151 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:13,153 INFO L225 Difference]: With dead ends: 728 [2021-07-14 00:22:13,153 INFO L226 Difference]: Without dead ends: 728 [2021-07-14 00:22:13,154 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 569.6ms TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2021-07-14 00:22:13,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2021-07-14 00:22:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 620. [2021-07-14 00:22:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 618 states have (on average 1.4886731391585761) internal successors, (920), 619 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 920 transitions. [2021-07-14 00:22:13,165 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 920 transitions. Word has length 105 [2021-07-14 00:22:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:13,165 INFO L482 AbstractCegarLoop]: Abstraction has 620 states and 920 transitions. [2021-07-14 00:22:13,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 920 transitions. [2021-07-14 00:22:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:13,167 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:13,167 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:13,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 00:22:13,168 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:13,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:13,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1763783394, now seen corresponding path program 4 times [2021-07-14 00:22:13,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:13,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050451354] [2021-07-14 00:22:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:13,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:13,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:13,343 INFO L142 QuantifierPusher]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 00:22:13,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:13,359 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-07-14 00:22:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:13,374 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-07-14 00:22:13,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:13,390 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-07-14 00:22:13,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:13,409 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-14 00:22:13,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:13,433 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-14 00:22:13,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:13,456 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 00:22:13,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:13,503 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.7 percent of original size [2021-07-14 00:22:13,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:13,544 INFO L142 QuantifierPusher]: treesize reduction 18, result has 70.5 percent of original size [2021-07-14 00:22:13,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:22:13,562 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-07-14 00:22:13,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-14 00:22:13,586 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-07-14 00:22:13,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:13,610 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:22:13,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:13,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:13,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:13,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:13,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:13,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:13,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:13,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:13,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050451354] [2021-07-14 00:22:13,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050451354] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:13,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:13,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-14 00:22:13,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897392578] [2021-07-14 00:22:13,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 00:22:13,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:13,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 00:22:13,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:22:13,708 INFO L87 Difference]: Start difference. First operand 620 states and 920 transitions. Second operand has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:14,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:14,755 INFO L93 Difference]: Finished difference Result 771 states and 1143 transitions. [2021-07-14 00:22:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 00:22:14,756 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:14,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:14,759 INFO L225 Difference]: With dead ends: 771 [2021-07-14 00:22:14,759 INFO L226 Difference]: Without dead ends: 771 [2021-07-14 00:22:14,759 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 968.0ms TimeCoverageRelationStatistics Valid=269, Invalid=921, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:22:14,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-07-14 00:22:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 632. [2021-07-14 00:22:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 630 states have (on average 1.5047619047619047) internal successors, (948), 631 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 948 transitions. [2021-07-14 00:22:14,771 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 948 transitions. Word has length 105 [2021-07-14 00:22:14,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:14,771 INFO L482 AbstractCegarLoop]: Abstraction has 632 states and 948 transitions. [2021-07-14 00:22:14,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.526315789473684) internal successors, (105), 19 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 948 transitions. [2021-07-14 00:22:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:14,773 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:14,773 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:14,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 00:22:14,774 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:14,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:14,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1818421786, now seen corresponding path program 5 times [2021-07-14 00:22:14,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:14,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340954153] [2021-07-14 00:22:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:14,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:14,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:14,964 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-14 00:22:14,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:14,975 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:14,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:14,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-14 00:22:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:15,002 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-07-14 00:22:15,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:15,020 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-07-14 00:22:15,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:15,047 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-14 00:22:15,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:15,087 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-14 00:22:15,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:15,125 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:22:15,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:22:15,174 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-07-14 00:22:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:15,198 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:15,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:15,200 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:22:15,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:15,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:15,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:15,240 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:15,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:15,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:15,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:15,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:15,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340954153] [2021-07-14 00:22:15,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340954153] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:15,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:15,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-14 00:22:15,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523109960] [2021-07-14 00:22:15,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 00:22:15,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:15,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 00:22:15,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:22:15,315 INFO L87 Difference]: Start difference. First operand 632 states and 948 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:16,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:16,338 INFO L93 Difference]: Finished difference Result 847 states and 1263 transitions. [2021-07-14 00:22:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 00:22:16,339 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:16,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:16,342 INFO L225 Difference]: With dead ends: 847 [2021-07-14 00:22:16,342 INFO L226 Difference]: Without dead ends: 847 [2021-07-14 00:22:16,342 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 943.7ms TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 00:22:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2021-07-14 00:22:16,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 636. [2021-07-14 00:22:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 634 states have (on average 1.5063091482649842) internal successors, (955), 635 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 955 transitions. [2021-07-14 00:22:16,354 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 955 transitions. Word has length 105 [2021-07-14 00:22:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:16,355 INFO L482 AbstractCegarLoop]: Abstraction has 636 states and 955 transitions. [2021-07-14 00:22:16,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 955 transitions. [2021-07-14 00:22:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-14 00:22:16,357 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:16,357 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:16,357 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 00:22:16,357 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:16,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:16,357 INFO L82 PathProgramCache]: Analyzing trace with hash 983330444, now seen corresponding path program 6 times [2021-07-14 00:22:16,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:16,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058495189] [2021-07-14 00:22:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:16,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:16,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:16,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:16,530 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-07-14 00:22:16,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:16,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:16,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 64.0 percent of original size [2021-07-14 00:22:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:16,570 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-14 00:22:16,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:16,589 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-14 00:22:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:16,626 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-14 00:22:16,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:16,662 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-07-14 00:22:16,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:16,693 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-07-14 00:22:16,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:22:16,727 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:16,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:16,745 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:16,747 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:22:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:16,759 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:16,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:16,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:16,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:16,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:16,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:16,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:16,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:16,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:16,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058495189] [2021-07-14 00:22:16,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058495189] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:16,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:16,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-14 00:22:16,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080482823] [2021-07-14 00:22:16,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 00:22:16,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:16,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 00:22:16,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-07-14 00:22:16,851 INFO L87 Difference]: Start difference. First operand 636 states and 955 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:17,830 INFO L93 Difference]: Finished difference Result 770 states and 1138 transitions. [2021-07-14 00:22:17,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 00:22:17,830 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-14 00:22:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:17,833 INFO L225 Difference]: With dead ends: 770 [2021-07-14 00:22:17,833 INFO L226 Difference]: Without dead ends: 770 [2021-07-14 00:22:17,833 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 870.5ms TimeCoverageRelationStatistics Valid=264, Invalid=858, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 00:22:17,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2021-07-14 00:22:17,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 551. [2021-07-14 00:22:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 550 states have (on average 1.489090909090909) internal successors, (819), 550 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 819 transitions. [2021-07-14 00:22:17,844 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 819 transitions. Word has length 105 [2021-07-14 00:22:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:17,844 INFO L482 AbstractCegarLoop]: Abstraction has 551 states and 819 transitions. [2021-07-14 00:22:17,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 819 transitions. [2021-07-14 00:22:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-14 00:22:17,846 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:17,846 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:17,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 00:22:17,846 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:17,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:17,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1124880711, now seen corresponding path program 1 times [2021-07-14 00:22:17,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:17,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295636398] [2021-07-14 00:22:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:18,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:18,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:18,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:18,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:18,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-14 00:22:18,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:18,121 INFO L142 QuantifierPusher]: treesize reduction 30, result has 48.3 percent of original size [2021-07-14 00:22:18,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:18,151 INFO L142 QuantifierPusher]: treesize reduction 31, result has 56.9 percent of original size [2021-07-14 00:22:18,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:22:18,193 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-14 00:22:18,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:18,227 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-07-14 00:22:18,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:18,251 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-07-14 00:22:18,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:18,275 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-14 00:22:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:18,299 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-14 00:22:18,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:18,332 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-14 00:22:18,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:18,358 INFO L142 QuantifierPusher]: treesize reduction 23, result has 63.5 percent of original size [2021-07-14 00:22:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:18,389 INFO L142 QuantifierPusher]: treesize reduction 23, result has 60.3 percent of original size [2021-07-14 00:22:18,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:18,406 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-07-14 00:22:18,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:18,435 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:22:18,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:18,463 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-14 00:22:18,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:18,508 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-14 00:22:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:18,555 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-07-14 00:22:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:18,590 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:22:18,618 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:22:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:18,621 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-14 00:22:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:18,667 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:22:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:18,697 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:18,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:18,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:18,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:18,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:18,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:18,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:18,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295636398] [2021-07-14 00:22:18,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295636398] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:18,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:18,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:18,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900340711] [2021-07-14 00:22:18,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:18,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:18,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:18,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:18,805 INFO L87 Difference]: Start difference. First operand 551 states and 819 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:20,336 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-07-14 00:22:20,645 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-07-14 00:22:21,032 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-07-14 00:22:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:21,561 INFO L93 Difference]: Finished difference Result 810 states and 1211 transitions. [2021-07-14 00:22:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 00:22:21,562 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-14 00:22:21,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:21,564 INFO L225 Difference]: With dead ends: 810 [2021-07-14 00:22:21,564 INFO L226 Difference]: Without dead ends: 676 [2021-07-14 00:22:21,565 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 2615.0ms TimeCoverageRelationStatistics Valid=405, Invalid=1947, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 00:22:21,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-07-14 00:22:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 524. [2021-07-14 00:22:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 523 states have (on average 1.462715105162524) internal successors, (765), 523 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 765 transitions. [2021-07-14 00:22:21,576 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 765 transitions. Word has length 111 [2021-07-14 00:22:21,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:21,576 INFO L482 AbstractCegarLoop]: Abstraction has 524 states and 765 transitions. [2021-07-14 00:22:21,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 765 transitions. [2021-07-14 00:22:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-14 00:22:21,578 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:21,578 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:21,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 00:22:21,578 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:21,579 INFO L82 PathProgramCache]: Analyzing trace with hash 582761651, now seen corresponding path program 2 times [2021-07-14 00:22:21,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:21,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51521868] [2021-07-14 00:22:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:21,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:21,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:21,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:21,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:21,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:21,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:21,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-14 00:22:21,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:21,893 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.0 percent of original size [2021-07-14 00:22:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:21,925 INFO L142 QuantifierPusher]: treesize reduction 28, result has 59.4 percent of original size [2021-07-14 00:22:21,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:22:21,957 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-14 00:22:21,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:21,997 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-07-14 00:22:21,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:22,021 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-07-14 00:22:22,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:22,044 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-14 00:22:22,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:22,070 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-14 00:22:22,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:22,094 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-14 00:22:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:22,117 INFO L142 QuantifierPusher]: treesize reduction 22, result has 64.5 percent of original size [2021-07-14 00:22:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:22,142 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-07-14 00:22:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:22,157 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.9 percent of original size [2021-07-14 00:22:22,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:22,193 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-07-14 00:22:22,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:22,252 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:22:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:22,288 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:22:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:22,326 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 00:22:22,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:22,354 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:22,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:22:22,381 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:22:22,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:22,383 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-07-14 00:22:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-14 00:22:22,420 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:22:22,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:22,442 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:22,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:22,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:22,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:22,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:22,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:22,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:22,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51521868] [2021-07-14 00:22:22,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51521868] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:22,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:22,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:22,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402069665] [2021-07-14 00:22:22,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:22,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:22,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:22,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:22,523 INFO L87 Difference]: Start difference. First operand 524 states and 765 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:24,129 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-07-14 00:22:24,413 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2021-07-14 00:22:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:25,457 INFO L93 Difference]: Finished difference Result 908 states and 1347 transitions. [2021-07-14 00:22:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 00:22:25,458 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-14 00:22:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:25,460 INFO L225 Difference]: With dead ends: 908 [2021-07-14 00:22:25,461 INFO L226 Difference]: Without dead ends: 819 [2021-07-14 00:22:25,461 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 2784.3ms TimeCoverageRelationStatistics Valid=514, Invalid=2348, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 00:22:25,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2021-07-14 00:22:25,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 530. [2021-07-14 00:22:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.4612476370510397) internal successors, (773), 529 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 773 transitions. [2021-07-14 00:22:25,472 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 773 transitions. Word has length 111 [2021-07-14 00:22:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:25,472 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 773 transitions. [2021-07-14 00:22:25,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 773 transitions. [2021-07-14 00:22:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-14 00:22:25,473 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:25,474 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:25,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 00:22:25,474 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:25,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:25,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1526005519, now seen corresponding path program 3 times [2021-07-14 00:22:25,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:25,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158438257] [2021-07-14 00:22:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:25,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:25,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:25,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:25,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:25,716 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-14 00:22:25,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:25,741 INFO L142 QuantifierPusher]: treesize reduction 30, result has 48.3 percent of original size [2021-07-14 00:22:25,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:25,771 INFO L142 QuantifierPusher]: treesize reduction 31, result has 56.9 percent of original size [2021-07-14 00:22:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:22:25,813 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-14 00:22:25,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,839 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-07-14 00:22:25,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:25,862 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-07-14 00:22:25,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:25,884 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-07-14 00:22:25,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,908 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-14 00:22:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:25,932 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-14 00:22:25,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:25,958 INFO L142 QuantifierPusher]: treesize reduction 23, result has 63.5 percent of original size [2021-07-14 00:22:25,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:25,990 INFO L142 QuantifierPusher]: treesize reduction 23, result has 60.3 percent of original size [2021-07-14 00:22:25,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:26,008 INFO L142 QuantifierPusher]: treesize reduction 23, result has 55.8 percent of original size [2021-07-14 00:22:26,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:26,037 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-14 00:22:26,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:26,102 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-14 00:22:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:26,170 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-14 00:22:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:26,219 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-07-14 00:22:26,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:26,254 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:22:26,281 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:22:26,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:26,284 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-14 00:22:26,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:26,329 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:22:26,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:26,357 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:26,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:26,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:26,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:26,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:26,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:26,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:26,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:26,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158438257] [2021-07-14 00:22:26,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158438257] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:26,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:26,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:26,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407192285] [2021-07-14 00:22:26,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:26,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:26,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:26,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:26,457 INFO L87 Difference]: Start difference. First operand 530 states and 773 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:28,009 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 00:22:28,297 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2021-07-14 00:22:28,441 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-07-14 00:22:29,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:29,350 INFO L93 Difference]: Finished difference Result 904 states and 1337 transitions. [2021-07-14 00:22:29,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 00:22:29,350 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-14 00:22:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:29,353 INFO L225 Difference]: With dead ends: 904 [2021-07-14 00:22:29,353 INFO L226 Difference]: Without dead ends: 818 [2021-07-14 00:22:29,354 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 2921.7ms TimeCoverageRelationStatistics Valid=528, Invalid=2334, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 00:22:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2021-07-14 00:22:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 532. [2021-07-14 00:22:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.4595103578154425) internal successors, (775), 531 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 775 transitions. [2021-07-14 00:22:29,364 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 775 transitions. Word has length 111 [2021-07-14 00:22:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:29,364 INFO L482 AbstractCegarLoop]: Abstraction has 532 states and 775 transitions. [2021-07-14 00:22:29,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 775 transitions. [2021-07-14 00:22:29,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-14 00:22:29,365 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:29,366 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:29,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 00:22:29,366 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:29,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:29,366 INFO L82 PathProgramCache]: Analyzing trace with hash -686084745, now seen corresponding path program 4 times [2021-07-14 00:22:29,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:29,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379185818] [2021-07-14 00:22:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:29,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:29,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:29,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:29,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:29,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:29,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:29,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:29,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:29,596 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-14 00:22:29,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:29,622 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:22:29,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:29,652 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-07-14 00:22:29,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:22:29,696 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size [2021-07-14 00:22:29,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:29,722 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-07-14 00:22:29,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:29,746 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.8 percent of original size [2021-07-14 00:22:29,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:29,771 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size [2021-07-14 00:22:29,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:29,796 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-07-14 00:22:29,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:29,821 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:22:29,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:29,848 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.7 percent of original size [2021-07-14 00:22:29,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:29,880 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:22:29,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:29,898 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:22:29,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:29,921 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-07-14 00:22:29,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:29,974 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-07-14 00:22:29,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:30,023 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.9 percent of original size [2021-07-14 00:22:30,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:30,056 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-07-14 00:22:30,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:30,081 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:30,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:22:30,100 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:22:30,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:30,103 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-14 00:22:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:30,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:30,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:30,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:30,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:30,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:30,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:30,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:30,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379185818] [2021-07-14 00:22:30,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379185818] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:30,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:30,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:30,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999794712] [2021-07-14 00:22:30,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:30,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:30,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:30,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:30,267 INFO L87 Difference]: Start difference. First operand 532 states and 775 transitions. Second operand has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:31,688 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2021-07-14 00:22:31,836 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2021-07-14 00:22:32,031 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-07-14 00:22:32,298 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-07-14 00:22:33,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:33,266 INFO L93 Difference]: Finished difference Result 885 states and 1306 transitions. [2021-07-14 00:22:33,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 00:22:33,266 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-07-14 00:22:33,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:33,268 INFO L225 Difference]: With dead ends: 885 [2021-07-14 00:22:33,268 INFO L226 Difference]: Without dead ends: 800 [2021-07-14 00:22:33,269 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2952.8ms TimeCoverageRelationStatistics Valid=544, Invalid=2318, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 00:22:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-07-14 00:22:33,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 548. [2021-07-14 00:22:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 547 states have (on average 1.4497257769652652) internal successors, (793), 547 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 793 transitions. [2021-07-14 00:22:33,279 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 793 transitions. Word has length 111 [2021-07-14 00:22:33,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:33,279 INFO L482 AbstractCegarLoop]: Abstraction has 548 states and 793 transitions. [2021-07-14 00:22:33,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.269230769230769) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 793 transitions. [2021-07-14 00:22:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-07-14 00:22:33,280 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:33,280 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:33,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-14 00:22:33,281 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:33,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:33,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1762968591, now seen corresponding path program 5 times [2021-07-14 00:22:33,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:33,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430032173] [2021-07-14 00:22:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:22:33,316 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:22:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:22:33,364 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:22:33,415 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 00:22:33,415 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 00:22:33,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-14 00:22:33,417 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 00:22:33,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:22:33 BasicIcfg [2021-07-14 00:22:33,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 00:22:33,515 INFO L168 Benchmark]: Toolchain (without parser) took 85423.64 ms. Allocated memory was 192.9 MB in the beginning and 297.8 MB in the end (delta: 104.9 MB). Free memory was 153.4 MB in the beginning and 234.6 MB in the end (delta: -81.2 MB). Peak memory consumption was 170.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 192.9 MB. Free memory is still 173.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.33 ms. Allocated memory is still 192.9 MB. Free memory was 153.2 MB in the beginning and 132.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.33 ms. Allocated memory is still 192.9 MB. Free memory was 132.9 MB in the beginning and 129.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L168 Benchmark]: Boogie Preprocessor took 70.04 ms. Allocated memory is still 192.9 MB. Free memory was 129.2 MB in the beginning and 126.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L168 Benchmark]: RCFGBuilder took 688.08 ms. Allocated memory is still 192.9 MB. Free memory was 126.6 MB in the beginning and 77.9 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L168 Benchmark]: TraceAbstraction took 83523.69 ms. Allocated memory was 192.9 MB in the beginning and 297.8 MB in the end (delta: 104.9 MB). Free memory was 77.9 MB in the beginning and 234.6 MB in the end (delta: -156.8 MB). Peak memory consumption was 95.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:22:33,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 192.9 MB. Free memory is still 173.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1052.33 ms. Allocated memory is still 192.9 MB. Free memory was 153.2 MB in the beginning and 132.9 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 82.33 ms. Allocated memory is still 192.9 MB. Free memory was 132.9 MB in the beginning and 129.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 70.04 ms. Allocated memory is still 192.9 MB. Free memory was 129.2 MB in the beginning and 126.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 688.08 ms. Allocated memory is still 192.9 MB. Free memory was 126.6 MB in the beginning and 77.9 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 83523.69 ms. Allocated memory was 192.9 MB in the beginning and 297.8 MB in the end (delta: 104.9 MB). Free memory was 77.9 MB in the beginning and 234.6 MB in the end (delta: -156.8 MB). Peak memory consumption was 95.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8703, positive: 8049, positive conditional: 8049, positive unconditional: 0, negative: 654, negative conditional: 654, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8551, positive: 8049, positive conditional: 0, positive unconditional: 8049, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, positive: 1040, positive conditional: 0, positive unconditional: 1040, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, positive: 1040, positive conditional: 0, positive unconditional: 1040, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53254, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1252, negative conditional: 0, negative unconditional: 1252, unknown: 52001, unknown conditional: 0, unknown unconditional: 52001] ], Cache Queries: [ total: 8551, positive: 7009, positive conditional: 0, positive unconditional: 7009, negative: 454, negative conditional: 0, negative unconditional: 454, unknown: 1088, unknown conditional: 0, unknown unconditional: 1088] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 1040, Positive conditional cache size: 0, Positive unconditional cache size: 1040, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Independence queries for same thread: 152 - 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; VAL [t1={7:0}, t2={8:0}] [L1688] 0 struct device *my_dev; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1727] 0 return 0; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1733] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1734] COND TRUE 0 ret==0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1735] 0 int probe_ret; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1736] 0 struct my_data data; VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1705] 0 data->shared.a = 0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1706] 0 data->shared.b = 0 VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1707] 0 data->shared.a VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1708] 0 data->shared.b VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1709] 0 int res = __VERIFIER_nondet_int(); VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1710] COND FALSE 0 !(\read(res)) VAL [my_dev={0:0}, t1={7:0}, t2={8:0}] [L1712] 0 my_dev = &data->dev VAL [my_dev={9:24}, t1={7:0}, t2={8:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1715] 0 return 0; VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1738] COND TRUE 0 probe_ret==0 VAL [arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 1 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1721] 0 void *status; VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 2 struct my_data *data; VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1722] 0 \read(t1) VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [__mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1699] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1740] 0 data.shared.a VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1741] 0 data.shared.b VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={9:24}, arg={0:0}, arg={0:0}, data={9:0}, lb=0, my_dev={9:24}, t1={7:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 164 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 83290.5ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 48.2ms, AutomataDifference: 20319.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 53554.5ms, PartialOrderReductionTime: 53538.6ms, HoareTripleCheckerStatistics: 2194 SDtfs, 7951 SDslu, 15083 SDs, 0 SdLazy, 7986 SolverSat, 860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5325.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 41 SyntacticMatches, 20 SemanticMatches, 475 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3361 ImplicationChecksByTransitivity, 18307.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4270occurred in iteration=0, InterpolantAutomatonStates: 319, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 449.0ms AutomataMinimizationTime, 16 MinimizatonAttempts, 3214 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 69.4ms SsaConstructionTime, 498.9ms SatisfiabilityAnalysisTime, 7888.3ms InterpolantComputationTime, 1572 NumberOfCodeBlocks, 1572 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1445 ConstructedInterpolants, 0 QuantifiedInterpolants, 20416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...