/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:21:31,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:21:31,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:21:31,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 15:21:31,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:21:31,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:21:31,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:21:31,694 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 [2022-03-15 15:21:31,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:21:31,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:21:31,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:21:31,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:21:31,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:21:31,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:21:31,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:21:31,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:21:31,719 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:21:31,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:21:31,720 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:21:31,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:21:31,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:21:31,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:21:31,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:21:31,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:21:31,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:21:31,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:21:31,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:21:31,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:21:31,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:21:31,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:21:31,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:21:31,724 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:21:31,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:21:31,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 15:21:31,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:21:31,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:21:32,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:21:32,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:21:32,002 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:21:32,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2022-03-15 15:21:32,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdf9ad88/67aec0d5700a4f60a36a2650fa0655bc/FLAG04657125e [2022-03-15 15:21:32,458 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:21:32,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2022-03-15 15:21:32,459 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 15:21:32,459 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 15:21:32,459 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 15:21:32,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdf9ad88/67aec0d5700a4f60a36a2650fa0655bc/FLAG04657125e [2022-03-15 15:21:32,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdf9ad88/67aec0d5700a4f60a36a2650fa0655bc [2022-03-15 15:21:32,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:21:32,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:21:32,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:21:32,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:21:32,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:21:32,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:21:32" (1/1) ... [2022-03-15 15:21:32,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db5be70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:32, skipping insertion in model container [2022-03-15 15:21:32,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:21:32" (1/1) ... [2022-03-15 15:21:32,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:21:32,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:21:33,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:21:33,045 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:21:33,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:21:33,076 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:21:33,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33 WrapperNode [2022-03-15 15:21:33,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:21:33,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:21:33,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:21:33,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:21:33,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,114 INFO L137 Inliner]: procedures = 12, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-03-15 15:21:33,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:21:33,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:21:33,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:21:33,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:21:33,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:21:33,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:21:33,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:21:33,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:21:33,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (1/1) ... [2022-03-15 15:21:33,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:21:33,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:21:33,173 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) [2022-03-15 15:21:33,181 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 [2022-03-15 15:21:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-15 15:21:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:21:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 15:21:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-15 15:21:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-15 15:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:21:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-15 15:21:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:21:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:21:33,212 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:21:33,314 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:21:33,316 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:21:33,551 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:21:33,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:21:33,560 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 15:21:33,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:21:33 BoogieIcfgContainer [2022-03-15 15:21:33,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:21:33,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:21:33,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:21:33,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:21:33,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:21:32" (1/3) ... [2022-03-15 15:21:33,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7311fbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:21:33, skipping insertion in model container [2022-03-15 15:21:33,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:21:33" (2/3) ... [2022-03-15 15:21:33,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7311fbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:21:33, skipping insertion in model container [2022-03-15 15:21:33,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:21:33" (3/3) ... [2022-03-15 15:21:33,572 INFO L111 eAbstractionObserver]: Analyzing ICFG joinMultipleReturnValues.c [2022-03-15 15:21:33,577 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:21:33,577 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:21:33,578 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 15:21:33,578 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:21:33,625 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,625 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,625 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,625 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,625 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,626 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,626 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,626 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,628 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,628 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,629 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,629 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,630 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,630 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,630 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,630 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,632 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,632 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,632 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,632 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,633 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,633 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,633 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,634 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,634 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,634 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,634 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,634 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,634 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,635 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,636 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,636 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,636 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,637 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,637 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,637 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,638 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,639 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,641 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,641 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,642 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,642 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,642 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,642 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,643 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,643 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,643 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,644 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,644 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,644 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,645 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,645 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,647 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,647 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,647 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,647 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,647 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,647 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,648 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,648 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,648 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,649 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,649 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,650 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,650 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,650 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,650 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,650 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,662 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,662 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,663 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,663 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,663 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,663 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,663 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,664 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,664 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,664 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,665 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,668 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:21:33,675 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-15 15:21:33,726 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:21:33,741 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, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:21:33,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 15:21:33,755 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 66 transitions, 140 flow [2022-03-15 15:21:33,791 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 105 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 104 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 104 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-03-15 15:21:33,805 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:21:33,805 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] [2022-03-15 15:21:33,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 15:21:33,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:21:33,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1521103836, now seen corresponding path program 1 times [2022-03-15 15:21:33,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:21:33,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707355799] [2022-03-15 15:21:33,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:21:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:21:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:21:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:21:34,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:21:34,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707355799] [2022-03-15 15:21:34,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707355799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:21:34,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:21:34,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 15:21:34,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663043185] [2022-03-15 15:21:34,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:21:34,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 15:21:34,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:21:34,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 15:21:34,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-03-15 15:21:34,307 INFO L87 Difference]: Start difference. First operand has 105 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 104 states have internal predecessors, (159), 0 states have call successors, (0), 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 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:34,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:21:34,528 INFO L93 Difference]: Finished difference Result 93 states and 134 transitions. [2022-03-15 15:21:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 15:21:34,530 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-03-15 15:21:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:21:34,537 INFO L225 Difference]: With dead ends: 93 [2022-03-15 15:21:34,537 INFO L226 Difference]: Without dead ends: 93 [2022-03-15 15:21:34,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-03-15 15:21:34,541 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 106 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:21:34,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 210 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:21:34,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-03-15 15:21:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-03-15 15:21:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 1.4725274725274726) internal successors, (134), 92 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 134 transitions. [2022-03-15 15:21:34,575 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 134 transitions. Word has length 46 [2022-03-15 15:21:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:21:34,576 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 134 transitions. [2022-03-15 15:21:34,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:34,576 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2022-03-15 15:21:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-15 15:21:34,577 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:21:34,577 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] [2022-03-15 15:21:34,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:21:34,578 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 15:21:34,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:21:34,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1166503070, now seen corresponding path program 1 times [2022-03-15 15:21:34,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:21:34,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684590845] [2022-03-15 15:21:34,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:21:34,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:21:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:21:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:21:34,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:21:34,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684590845] [2022-03-15 15:21:34,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684590845] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:21:34,981 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:21:34,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-15 15:21:34,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598199555] [2022-03-15 15:21:34,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:21:34,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 15:21:34,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:21:34,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 15:21:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:21:34,984 INFO L87 Difference]: Start difference. First operand 93 states and 134 transitions. Second operand has 19 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:21:35,739 INFO L93 Difference]: Finished difference Result 92 states and 133 transitions. [2022-03-15 15:21:35,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-15 15:21:35,740 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-03-15 15:21:35,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:21:35,741 INFO L225 Difference]: With dead ends: 92 [2022-03-15 15:21:35,741 INFO L226 Difference]: Without dead ends: 92 [2022-03-15 15:21:35,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=1325, Unknown=0, NotChecked=0, Total=1640 [2022-03-15 15:21:35,743 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 179 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:21:35,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 498 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:21:35,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-03-15 15:21:35,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-03-15 15:21:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 91 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2022-03-15 15:21:35,752 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 48 [2022-03-15 15:21:35,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:21:35,752 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2022-03-15 15:21:35,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2022-03-15 15:21:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-15 15:21:35,754 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:21:35,754 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] [2022-03-15 15:21:35,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:21:35,754 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-15 15:21:35,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:21:35,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1801856965, now seen corresponding path program 1 times [2022-03-15 15:21:35,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:21:35,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921678299] [2022-03-15 15:21:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:21:35,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:21:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:21:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:21:36,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:21:36,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921678299] [2022-03-15 15:21:36,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921678299] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:21:36,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:21:36,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:21:36,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349689162] [2022-03-15 15:21:36,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:21:36,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:21:36,008 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:21:36,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:21:36,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:21:36,009 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:36,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:21:36,385 INFO L93 Difference]: Finished difference Result 91 states and 132 transitions. [2022-03-15 15:21:36,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 15:21:36,385 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-03-15 15:21:36,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:21:36,385 INFO L225 Difference]: With dead ends: 91 [2022-03-15 15:21:36,385 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 15:21:36,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:21:36,387 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 87 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:21:36,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 346 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:21:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 15:21:36,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 15:21:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 15:21:36,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-03-15 15:21:36,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:21:36,389 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 15:21:36,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:21:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 15:21:36,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 15:21:36,391 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-15 15:21:36,392 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-03-15 15:21:36,392 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-03-15 15:21:36,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:21:36,395 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-15 15:21:36,396 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:21:36,396 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:21:36,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:21:36 BasicIcfg [2022-03-15 15:21:36,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:21:36,399 INFO L158 Benchmark]: Toolchain (without parser) took 3541.49ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 155.5MB in the beginning and 145.7MB in the end (delta: 9.8MB). Peak memory consumption was 47.1MB. Max. memory is 8.0GB. [2022-03-15 15:21:36,400 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:21:36,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.56ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 155.3MB in the beginning and 191.5MB in the end (delta: -36.2MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-03-15 15:21:36,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 217.1MB. Free memory was 191.5MB in the beginning and 189.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:21:36,401 INFO L158 Benchmark]: Boogie Preprocessor took 20.91ms. Allocated memory is still 217.1MB. Free memory was 189.9MB in the beginning and 188.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 15:21:36,401 INFO L158 Benchmark]: RCFGBuilder took 424.37ms. Allocated memory is still 217.1MB. Free memory was 188.6MB in the beginning and 176.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 15:21:36,402 INFO L158 Benchmark]: TraceAbstraction took 2835.88ms. Allocated memory is still 217.1MB. Free memory was 176.1MB in the beginning and 145.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-15 15:21:36,403 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 180.4MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 218.56ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 155.3MB in the beginning and 191.5MB in the end (delta: -36.2MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 217.1MB. Free memory was 191.5MB in the beginning and 189.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.91ms. Allocated memory is still 217.1MB. Free memory was 189.9MB in the beginning and 188.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 424.37ms. Allocated memory is still 217.1MB. Free memory was 188.6MB in the beginning and 176.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2835.88ms. Allocated memory is still 217.1MB. Free memory was 176.1MB in the beginning and 145.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * 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 - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 85 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 372 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 1054 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 937 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 639 IncrementalHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 127 mSDtfsCounter, 639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 15:21:36,436 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 Received shutdown request...