/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 00:30:47,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 00:30:47,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 00:30:47,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 00:30:47,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 00:30:47,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 00:30:47,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 00:30:47,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 00:30:47,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 00:30:47,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 00:30:47,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 00:30:47,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 00:30:47,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 00:30:47,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 00:30:47,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 00:30:47,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 00:30:47,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 00:30:47,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 00:30:47,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 00:30:47,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 00:30:47,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 00:30:47,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 00:30:47,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 00:30:47,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 00:30:47,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 00:30:47,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 00:30:47,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 00:30:47,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 00:30:47,814 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.epf [2022-01-18 00:30:47,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 00:30:47,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 00:30:47,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 00:30:47,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 00:30:47,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 00:30:47,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 00:30:47,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 00:30:47,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 00:30:47,852 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 00:30:47,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 00:30:47,853 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 00:30:47,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 00:30:47,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 00:30:47,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 00:30:47,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 00:30:47,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 00:30:47,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 00:30:47,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 00:30:47,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 00:30:47,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:30:47,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 00:30:47,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 00:30:47,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 00:30:47,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 00:30:47,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 00:30:47,857 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 00:30:47,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 00:30:47,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 00:30:48,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 00:30:48,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 00:30:48,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 00:30:48,081 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 00:30:48,081 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 00:30:48,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-01-18 00:30:48,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd429961/01163555c39249dd8e94282d04475710/FLAG7dbfa8ebd [2022-01-18 00:30:48,484 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 00:30:48,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-01-18 00:30:48,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd429961/01163555c39249dd8e94282d04475710/FLAG7dbfa8ebd [2022-01-18 00:30:48,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd429961/01163555c39249dd8e94282d04475710 [2022-01-18 00:30:48,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 00:30:48,899 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 00:30:48,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 00:30:48,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 00:30:48,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 00:30:48,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:30:48" (1/1) ... [2022-01-18 00:30:48,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3104dd31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:48, skipping insertion in model container [2022-01-18 00:30:48,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:30:48" (1/1) ... [2022-01-18 00:30:48,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 00:30:48,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 00:30:49,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-01-18 00:30:49,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:30:49,088 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 00:30:49,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-01-18 00:30:49,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 00:30:49,120 INFO L208 MainTranslator]: Completed translation [2022-01-18 00:30:49,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49 WrapperNode [2022-01-18 00:30:49,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 00:30:49,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 00:30:49,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 00:30:49,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 00:30:49,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,152 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-01-18 00:30:49,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 00:30:49,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 00:30:49,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 00:30:49,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 00:30:49,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 00:30:49,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 00:30:49,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 00:30:49,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 00:30:49,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (1/1) ... [2022-01-18 00:30:49,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 00:30:49,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:30:49,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 00:30:49,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 00:30:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 00:30:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 00:30:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 00:30:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 00:30:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 00:30:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 00:30:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 00:30:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 00:30:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 00:30:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 00:30:49,241 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 00:30:49,319 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 00:30:49,320 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 00:30:49,497 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 00:30:49,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 00:30:49,505 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-18 00:30:49,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:30:49 BoogieIcfgContainer [2022-01-18 00:30:49,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 00:30:49,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 00:30:49,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 00:30:49,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 00:30:49,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:30:48" (1/3) ... [2022-01-18 00:30:49,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757a80dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:30:49, skipping insertion in model container [2022-01-18 00:30:49,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:30:49" (2/3) ... [2022-01-18 00:30:49,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757a80dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:30:49, skipping insertion in model container [2022-01-18 00:30:49,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:30:49" (3/3) ... [2022-01-18 00:30:49,513 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-01-18 00:30:49,517 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 00:30:49,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 00:30:49,517 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 00:30:49,517 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 00:30:49,561 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,562 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,569 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,569 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,569 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,569 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,573 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,573 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,573 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,573 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,578 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,578 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,580 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,580 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,581 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,581 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,582 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,583 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 00:30:49,591 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 00:30:49,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 00:30:49,646 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 00:30:49,647 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 00:30:49,662 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 152 places, 149 transitions, 330 flow [2022-01-18 00:30:52,161 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 71783 states, 71782 states have (on average 4.936947981388092) internal successors, (354384), 71782 states have internal predecessors, (354384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:30:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 71783 states, 71782 states have (on average 4.936947981388092) internal successors, (354384), 71782 states have internal predecessors, (354384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:30:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-18 00:30:53,019 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:30:53,020 INFO L514 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] [2022-01-18 00:30:53,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:30:53,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:30:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash 727525, now seen corresponding path program 1 times [2022-01-18 00:30:53,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:30:53,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507494120] [2022-01-18 00:30:53,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:30:53,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:30:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:30:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:30:53,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:30:53,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507494120] [2022-01-18 00:30:53,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507494120] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:30:53,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:30:53,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 00:30:53,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600789382] [2022-01-18 00:30:53,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:30:53,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 00:30:53,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:30:53,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 00:30:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:30:53,500 INFO L87 Difference]: Start difference. First operand has 71783 states, 71782 states have (on average 4.936947981388092) internal successors, (354384), 71782 states have internal predecessors, (354384), 0 states have call successors, (0), 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 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:30:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:30:54,599 INFO L93 Difference]: Finished difference Result 71783 states and 329612 transitions. [2022-01-18 00:30:54,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 00:30:54,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-01-18 00:30:54,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:30:55,562 INFO L225 Difference]: With dead ends: 71783 [2022-01-18 00:30:55,563 INFO L226 Difference]: Without dead ends: 71781 [2022-01-18 00:30:55,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 00:30:55,567 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:30:55,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 00:30:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71781 states. [2022-01-18 00:30:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71781 to 71781. [2022-01-18 00:30:58,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71781 states, 71780 states have (on average 4.591947617720813) internal successors, (329610), 71780 states have internal predecessors, (329610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:30:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71781 states to 71781 states and 329610 transitions. [2022-01-18 00:30:59,189 INFO L78 Accepts]: Start accepts. Automaton has 71781 states and 329610 transitions. Word has length 92 [2022-01-18 00:30:59,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:30:59,189 INFO L470 AbstractCegarLoop]: Abstraction has 71781 states and 329610 transitions. [2022-01-18 00:30:59,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:30:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 71781 states and 329610 transitions. [2022-01-18 00:31:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-18 00:31:00,038 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:00,038 INFO L514 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] [2022-01-18 00:31:00,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 00:31:00,039 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:00,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:00,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2147208055, now seen corresponding path program 1 times [2022-01-18 00:31:00,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:00,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297130417] [2022-01-18 00:31:00,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:00,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:00,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:00,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297130417] [2022-01-18 00:31:00,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297130417] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:31:00,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:31:00,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:31:00,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307791528] [2022-01-18 00:31:00,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:31:00,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:31:00,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:00,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:31:00,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:31:00,459 INFO L87 Difference]: Start difference. First operand 71781 states and 329610 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:01,690 INFO L93 Difference]: Finished difference Result 75682 states and 346756 transitions. [2022-01-18 00:31:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:31:01,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-01-18 00:31:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:02,352 INFO L225 Difference]: With dead ends: 75682 [2022-01-18 00:31:02,352 INFO L226 Difference]: Without dead ends: 75235 [2022-01-18 00:31:02,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-18 00:31:02,353 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 125 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:02,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 299 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:31:02,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75235 states. [2022-01-18 00:31:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75235 to 73120. [2022-01-18 00:31:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73120 states, 73119 states have (on average 4.585948932561988) internal successors, (335320), 73119 states have internal predecessors, (335320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73120 states to 73120 states and 335320 transitions. [2022-01-18 00:31:05,444 INFO L78 Accepts]: Start accepts. Automaton has 73120 states and 335320 transitions. Word has length 92 [2022-01-18 00:31:05,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:05,447 INFO L470 AbstractCegarLoop]: Abstraction has 73120 states and 335320 transitions. [2022-01-18 00:31:05,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 73120 states and 335320 transitions. [2022-01-18 00:31:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 00:31:06,238 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:06,238 INFO L514 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] [2022-01-18 00:31:06,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 00:31:06,239 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:06,239 INFO L85 PathProgramCache]: Analyzing trace with hash 60299954, now seen corresponding path program 1 times [2022-01-18 00:31:06,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:06,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590040065] [2022-01-18 00:31:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:06,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:06,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:06,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590040065] [2022-01-18 00:31:06,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590040065] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:31:06,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:31:06,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:31:06,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910763730] [2022-01-18 00:31:06,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:31:06,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:31:06,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:06,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:31:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:31:06,578 INFO L87 Difference]: Start difference. First operand 73120 states and 335320 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:07,296 INFO L93 Difference]: Finished difference Result 75235 states and 344077 transitions. [2022-01-18 00:31:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:31:07,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-01-18 00:31:07,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:08,327 INFO L225 Difference]: With dead ends: 75235 [2022-01-18 00:31:08,327 INFO L226 Difference]: Without dead ends: 74782 [2022-01-18 00:31:08,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:31:08,329 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 143 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:08,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 270 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:31:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74782 states. [2022-01-18 00:31:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74782 to 73216. [2022-01-18 00:31:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73216 states, 73215 states have (on average 4.582435293314211) internal successors, (335503), 73215 states have internal predecessors, (335503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73216 states to 73216 states and 335503 transitions. [2022-01-18 00:31:11,455 INFO L78 Accepts]: Start accepts. Automaton has 73216 states and 335503 transitions. Word has length 100 [2022-01-18 00:31:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:11,456 INFO L470 AbstractCegarLoop]: Abstraction has 73216 states and 335503 transitions. [2022-01-18 00:31:11,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 73216 states and 335503 transitions. [2022-01-18 00:31:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 00:31:11,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:11,660 INFO L514 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] [2022-01-18 00:31:11,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 00:31:11,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1550229488, now seen corresponding path program 1 times [2022-01-18 00:31:11,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:11,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108704956] [2022-01-18 00:31:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:11,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:11,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:11,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108704956] [2022-01-18 00:31:11,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108704956] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:31:11,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439966234] [2022-01-18 00:31:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:11,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:31:11,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:31:11,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:31:11,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 00:31:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:12,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:31:12,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:31:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:12,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:31:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:12,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439966234] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:31:12,897 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:31:12,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-01-18 00:31:12,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807061600] [2022-01-18 00:31:12,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:31:12,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 00:31:12,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:12,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 00:31:12,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:31:12,902 INFO L87 Difference]: Start difference. First operand 73216 states and 335503 transitions. Second operand has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:15,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:15,155 INFO L93 Difference]: Finished difference Result 120912 states and 548989 transitions. [2022-01-18 00:31:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:31:15,155 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 0 states have call successors, (0), 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 100 [2022-01-18 00:31:15,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:16,436 INFO L225 Difference]: With dead ends: 120912 [2022-01-18 00:31:16,436 INFO L226 Difference]: Without dead ends: 120912 [2022-01-18 00:31:16,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-01-18 00:31:16,456 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 855 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:16,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 1035 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 00:31:16,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120912 states. [2022-01-18 00:31:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120912 to 82883. [2022-01-18 00:31:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82883 states, 82882 states have (on average 4.58344393233754) internal successors, (379885), 82882 states have internal predecessors, (379885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82883 states to 82883 states and 379885 transitions. [2022-01-18 00:31:20,141 INFO L78 Accepts]: Start accepts. Automaton has 82883 states and 379885 transitions. Word has length 100 [2022-01-18 00:31:20,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:20,141 INFO L470 AbstractCegarLoop]: Abstraction has 82883 states and 379885 transitions. [2022-01-18 00:31:20,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 82883 states and 379885 transitions. [2022-01-18 00:31:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 00:31:20,356 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:20,356 INFO L514 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] [2022-01-18 00:31:20,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 00:31:20,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:31:20,557 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:20,557 INFO L85 PathProgramCache]: Analyzing trace with hash -978377090, now seen corresponding path program 2 times [2022-01-18 00:31:20,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:20,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267184031] [2022-01-18 00:31:20,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:20,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:20,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267184031] [2022-01-18 00:31:20,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267184031] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:31:20,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:31:20,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:31:20,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906496536] [2022-01-18 00:31:20,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:31:20,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:31:20,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:20,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:31:20,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:31:20,770 INFO L87 Difference]: Start difference. First operand 82883 states and 379885 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:22,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:22,153 INFO L93 Difference]: Finished difference Result 89978 states and 412810 transitions. [2022-01-18 00:31:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:31:22,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-01-18 00:31:22,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:22,542 INFO L225 Difference]: With dead ends: 89978 [2022-01-18 00:31:22,542 INFO L226 Difference]: Without dead ends: 89978 [2022-01-18 00:31:22,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:31:22,543 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 193 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:22,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 382 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:31:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89978 states. [2022-01-18 00:31:25,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89978 to 88603. [2022-01-18 00:31:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88603 states, 88602 states have (on average 4.590471998374754) internal successors, (406725), 88602 states have internal predecessors, (406725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88603 states to 88603 states and 406725 transitions. [2022-01-18 00:31:26,564 INFO L78 Accepts]: Start accepts. Automaton has 88603 states and 406725 transitions. Word has length 100 [2022-01-18 00:31:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:26,565 INFO L470 AbstractCegarLoop]: Abstraction has 88603 states and 406725 transitions. [2022-01-18 00:31:26,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 88603 states and 406725 transitions. [2022-01-18 00:31:26,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 00:31:26,847 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:26,847 INFO L514 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] [2022-01-18 00:31:26,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 00:31:26,848 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:26,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:26,848 INFO L85 PathProgramCache]: Analyzing trace with hash 157553520, now seen corresponding path program 1 times [2022-01-18 00:31:26,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:26,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391465756] [2022-01-18 00:31:26,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:26,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:27,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:27,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:27,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391465756] [2022-01-18 00:31:27,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391465756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:31:27,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:31:27,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 00:31:27,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086870103] [2022-01-18 00:31:27,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:31:27,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 00:31:27,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:27,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 00:31:27,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 00:31:27,012 INFO L87 Difference]: Start difference. First operand 88603 states and 406725 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:28,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:28,532 INFO L93 Difference]: Finished difference Result 89458 states and 409641 transitions. [2022-01-18 00:31:28,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 00:31:28,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-01-18 00:31:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:29,029 INFO L225 Difference]: With dead ends: 89458 [2022-01-18 00:31:29,030 INFO L226 Difference]: Without dead ends: 88945 [2022-01-18 00:31:29,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:31:29,030 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 148 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:29,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 273 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:31:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88945 states. [2022-01-18 00:31:31,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88945 to 88225. [2022-01-18 00:31:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88225 states, 88224 states have (on average 4.591369695321001) internal successors, (405069), 88224 states have internal predecessors, (405069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88225 states to 88225 states and 405069 transitions. [2022-01-18 00:31:32,294 INFO L78 Accepts]: Start accepts. Automaton has 88225 states and 405069 transitions. Word has length 100 [2022-01-18 00:31:32,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:32,294 INFO L470 AbstractCegarLoop]: Abstraction has 88225 states and 405069 transitions. [2022-01-18 00:31:32,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 88225 states and 405069 transitions. [2022-01-18 00:31:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 00:31:32,523 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:32,523 INFO L514 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] [2022-01-18 00:31:32,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 00:31:32,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:32,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2055982674, now seen corresponding path program 1 times [2022-01-18 00:31:32,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:32,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988675314] [2022-01-18 00:31:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:32,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:32,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:32,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988675314] [2022-01-18 00:31:32,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988675314] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:31:32,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570956179] [2022-01-18 00:31:32,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:32,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:31:32,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:31:32,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:31:32,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 00:31:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:32,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 00:31:32,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:31:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:33,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 00:31:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:33,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570956179] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 00:31:33,350 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 00:31:33,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-01-18 00:31:33,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258040178] [2022-01-18 00:31:33,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 00:31:33,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 00:31:33,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:33,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 00:31:33,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 00:31:33,357 INFO L87 Difference]: Start difference. First operand 88225 states and 405069 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:36,199 INFO L93 Difference]: Finished difference Result 147805 states and 668660 transitions. [2022-01-18 00:31:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 00:31:36,200 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 0 states have call successors, (0), 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 100 [2022-01-18 00:31:36,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:37,022 INFO L225 Difference]: With dead ends: 147805 [2022-01-18 00:31:37,022 INFO L226 Difference]: Without dead ends: 147805 [2022-01-18 00:31:37,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-01-18 00:31:37,023 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 914 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:37,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1101 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 00:31:37,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147805 states. [2022-01-18 00:31:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147805 to 97003. [2022-01-18 00:31:40,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97003 states, 97002 states have (on average 4.608544153728789) internal successors, (447038), 97002 states have internal predecessors, (447038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97003 states to 97003 states and 447038 transitions. [2022-01-18 00:31:41,718 INFO L78 Accepts]: Start accepts. Automaton has 97003 states and 447038 transitions. Word has length 100 [2022-01-18 00:31:41,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:41,718 INFO L470 AbstractCegarLoop]: Abstraction has 97003 states and 447038 transitions. [2022-01-18 00:31:41,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:41,718 INFO L276 IsEmpty]: Start isEmpty. Operand 97003 states and 447038 transitions. [2022-01-18 00:31:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 00:31:42,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:42,126 INFO L514 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] [2022-01-18 00:31:42,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 00:31:42,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-01-18 00:31:42,338 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:42,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:42,338 INFO L85 PathProgramCache]: Analyzing trace with hash -2007330100, now seen corresponding path program 2 times [2022-01-18 00:31:42,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:42,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046157963] [2022-01-18 00:31:42,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:42,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:31:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:31:42,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:31:42,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046157963] [2022-01-18 00:31:42,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046157963] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 00:31:42,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 00:31:42,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 00:31:42,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704079376] [2022-01-18 00:31:42,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 00:31:42,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 00:31:42,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 00:31:42,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 00:31:42,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 00:31:42,496 INFO L87 Difference]: Start difference. First operand 97003 states and 447038 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 00:31:44,234 INFO L93 Difference]: Finished difference Result 105437 states and 486001 transitions. [2022-01-18 00:31:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 00:31:44,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-01-18 00:31:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 00:31:44,806 INFO L225 Difference]: With dead ends: 105437 [2022-01-18 00:31:44,806 INFO L226 Difference]: Without dead ends: 105437 [2022-01-18 00:31:44,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 00:31:44,807 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 210 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 00:31:44,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 399 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 00:31:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105437 states. [2022-01-18 00:31:47,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105437 to 104439. [2022-01-18 00:31:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104439 states, 104438 states have (on average 4.61124303414466) internal successors, (481589), 104438 states have internal predecessors, (481589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104439 states to 104439 states and 481589 transitions. [2022-01-18 00:31:49,084 INFO L78 Accepts]: Start accepts. Automaton has 104439 states and 481589 transitions. Word has length 100 [2022-01-18 00:31:49,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 00:31:49,084 INFO L470 AbstractCegarLoop]: Abstraction has 104439 states and 481589 transitions. [2022-01-18 00:31:49,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 00:31:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 104439 states and 481589 transitions. [2022-01-18 00:31:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 00:31:49,516 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 00:31:49,517 INFO L514 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] [2022-01-18 00:31:49,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 00:31:49,517 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 00:31:49,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 00:31:49,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1773705685, now seen corresponding path program 1 times [2022-01-18 00:31:49,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 00:31:49,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367235140] [2022-01-18 00:31:49,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:31:49,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 00:31:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 00:32:10,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 00:32:10,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367235140] [2022-01-18 00:32:10,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367235140] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 00:32:10,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636497757] [2022-01-18 00:32:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 00:32:10,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 00:32:10,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 00:32:10,608 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 00:32:10,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 00:32:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 00:32:10,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 41 conjunts are in the unsatisfiable core [2022-01-18 00:32:10,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 00:38:18,810 WARN L228 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-01-18 00:44:54,356 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 00:44:54,357 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 00:44:55,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-18 00:44:55,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2022-01-18 00:44:56,044 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-18 00:44:56,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 00:44:56,045 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2022-01-18 00:44:56,046 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-18 00:44:56,046 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-18 00:44:56,046 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-18 00:44:56,046 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-18 00:44:56,049 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-01-18 00:44:56,050 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 00:44:56,051 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 00:44:56,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 12:44:56 BasicIcfg [2022-01-18 00:44:56,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 00:44:56,053 INFO L158 Benchmark]: Toolchain (without parser) took 847154.19ms. Allocated memory was 362.8MB in the beginning and 15.5GB in the end (delta: 15.2GB). Free memory was 307.4MB in the beginning and 8.0GB in the end (delta: -7.7GB). Peak memory consumption was 14.0GB. Max. memory is 16.0GB. [2022-01-18 00:44:56,053 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 362.8MB. Free memory is still 323.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 00:44:56,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.31ms. Allocated memory was 362.8MB in the beginning and 465.6MB in the end (delta: 102.8MB). Free memory was 307.1MB in the beginning and 436.4MB in the end (delta: -129.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.0GB. [2022-01-18 00:44:56,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.70ms. Allocated memory is still 465.6MB. Free memory was 436.4MB in the beginning and 433.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 00:44:56,054 INFO L158 Benchmark]: Boogie Preprocessor took 21.30ms. Allocated memory is still 465.6MB. Free memory was 433.9MB in the beginning and 432.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 00:44:56,054 INFO L158 Benchmark]: RCFGBuilder took 323.43ms. Allocated memory is still 465.6MB. Free memory was 432.2MB in the beginning and 416.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-18 00:44:56,054 INFO L158 Benchmark]: TraceAbstraction took 846544.37ms. Allocated memory was 465.6MB in the beginning and 15.5GB in the end (delta: 15.1GB). Free memory was 415.4MB in the beginning and 8.0GB in the end (delta: -7.6GB). Peak memory consumption was 14.0GB. Max. memory is 16.0GB. [2022-01-18 00:44:56,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 362.8MB. Free memory is still 323.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 221.31ms. Allocated memory was 362.8MB in the beginning and 465.6MB in the end (delta: 102.8MB). Free memory was 307.1MB in the beginning and 436.4MB in the end (delta: -129.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 30.70ms. Allocated memory is still 465.6MB. Free memory was 436.4MB in the beginning and 433.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 21.30ms. Allocated memory is still 465.6MB. Free memory was 433.9MB in the beginning and 432.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 323.43ms. Allocated memory is still 465.6MB. Free memory was 432.2MB in the beginning and 416.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 846544.37ms. Allocated memory was 465.6MB in the beginning and 15.5GB in the end (delta: 15.1GB). Free memory was 415.4MB in the beginning and 8.0GB in the end (delta: -7.6GB). Peak memory consumption was 14.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 188 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 846.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.3s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2588 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2588 mSDsluCounter, 3877 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3168 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2008 IncrementalHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 1044 mSDtfsCounter, 2008 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104439occurred in iteration=8, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 29.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 95605 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 12614 SizeOfPredicates, 20 NumberOfNonLiveVariables, 526 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 4/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown