/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/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-04 21:48:15,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-04 21:48:15,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-04 21:48:15,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-04 21:48:15,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-04 21:48:15,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-04 21:48:15,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-04 21:48:15,525 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 [2021-06-04 21:48:15,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-04 21:48:15,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-04 21:48:15,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-04 21:48:15,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-04 21:48:15,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-04 21:48:15,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-04 21:48:15,562 INFO L138 SettingsManager]: * Use SBE=true [2021-06-04 21:48:15,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-04 21:48:15,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-04 21:48:15,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-04 21:48:15,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-04 21:48:15,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-04 21:48:15,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-04 21:48:15,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-04 21:48:15,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-04 21:48:15,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-04 21:48:15,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-04 21:48:15,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-04 21:48:15,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-04 21:48:15,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-04 21:48:15,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-04 21:48:15,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-04 21:48:15,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-04 21:48:15,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-04 21:48:15,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-04 21:48:15,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-04 21:48:15,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-04 21:48:15,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-04 21:48:15,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-04 21:48:15,566 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-04 21:48:15,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-04 21:48:15,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-04 21:48:15,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-04 21:48:15,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-04 21:48:15,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-04 21:48:15,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-04 21:48:15,881 INFO L275 PluginConnector]: CDTParser initialized [2021-06-04 21:48:15,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-06-04 21:48:15,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1c710bb/de23c7e1019948e9842dfa47a32a399e/FLAGdf7a83943 [2021-06-04 21:48:16,368 INFO L306 CDTParser]: Found 1 translation units. [2021-06-04 21:48:16,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-06-04 21:48:16,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1c710bb/de23c7e1019948e9842dfa47a32a399e/FLAGdf7a83943 [2021-06-04 21:48:16,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1c710bb/de23c7e1019948e9842dfa47a32a399e [2021-06-04 21:48:16,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-04 21:48:16,408 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-04 21:48:16,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-04 21:48:16,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-04 21:48:16,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-04 21:48:16,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238e2abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16, skipping insertion in model container [2021-06-04 21:48:16,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-04 21:48:16,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-04 21:48:16,800 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-06-04 21:48:16,804 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-06-04 21:48:16,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-04 21:48:16,820 INFO L203 MainTranslator]: Completed pre-run [2021-06-04 21:48:16,851 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-06-04 21:48:16,864 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-06-04 21:48:16,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-04 21:48:16,928 INFO L208 MainTranslator]: Completed translation [2021-06-04 21:48:16,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16 WrapperNode [2021-06-04 21:48:16,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-04 21:48:16,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-04 21:48:16,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-04 21:48:16,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-04 21:48:16,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-04 21:48:16,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-04 21:48:16,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-04 21:48:16,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-04 21:48:16,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... [2021-06-04 21:48:16,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-04 21:48:16,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-04 21:48:16,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-04 21:48:16,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-04 21:48:16,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-04 21:48:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-06-04 21:48:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-06-04 21:48:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-04 21:48:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-06-04 21:48:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-06-04 21:48:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-04 21:48:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-04 21:48:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-04 21:48:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-04 21:48:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-04 21:48:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-04 21:48:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-04 21:48:17,078 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-04 21:48:17,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-04 21:48:17,406 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-04 21:48:17,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 09:48:17 BoogieIcfgContainer [2021-06-04 21:48:17,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-04 21:48:17,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-04 21:48:17,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-04 21:48:17,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-04 21:48:17,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 09:48:16" (1/3) ... [2021-06-04 21:48:17,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87ca2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 09:48:17, skipping insertion in model container [2021-06-04 21:48:17,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 09:48:16" (2/3) ... [2021-06-04 21:48:17,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87ca2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 09:48:17, skipping insertion in model container [2021-06-04 21:48:17,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 09:48:17" (3/3) ... [2021-06-04 21:48:17,413 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-06-04 21:48:17,417 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-04 21:48:17,418 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-04 21:48:17,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-04 21:48:17,418 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-04 21:48:17,454 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,454 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,454 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,455 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,456 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,456 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,456 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,456 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,457 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,457 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,458 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,459 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,459 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,459 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,460 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,461 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,461 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,461 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,461 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,461 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,462 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,462 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,463 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,465 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,465 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,466 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,467 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,467 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,467 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,467 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,469 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,470 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,470 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,471 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,471 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,477 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,478 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,478 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,478 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,478 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,478 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-04 21:48:17,495 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-04 21:48:17,512 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-04 21:48:17,537 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-04 21:48:17,537 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-04 21:48:17,537 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-04 21:48:17,538 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-04 21:48:17,538 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-04 21:48:17,538 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-04 21:48:17,538 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-04 21:48:17,538 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-04 21:48:17,551 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 96 transitions, 214 flow [2021-06-04 21:48:17,612 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-06-04 21:48:17,623 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:48:17,624 INFO L521 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] [2021-06-04 21:48:17,625 INFO L430 AbstractCegarLoop]: === Iteration 1 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:48:17,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:48:17,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1944255627, now seen corresponding path program 1 times [2021-06-04 21:48:17,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:48:17,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753166282] [2021-06-04 21:48:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:48:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:48:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:48:17,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:48:17,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753166282] [2021-06-04 21:48:17,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753166282] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:48:17,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:48:17,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-04 21:48:17,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896882827] [2021-06-04 21:48:17,912 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-04 21:48:17,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:48:17,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-04 21:48:17,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:17,928 INFO L87 Difference]: Start difference. First operand has 1183 states, 1179 states have (on average 2.6802374893977947) internal successors, (3160), 1182 states have internal predecessors, (3160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:48:17,986 INFO L93 Difference]: Finished difference Result 1051 states and 2612 transitions. [2021-06-04 21:48:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-04 21:48:17,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2021-06-04 21:48:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:48:18,007 INFO L225 Difference]: With dead ends: 1051 [2021-06-04 21:48:18,008 INFO L226 Difference]: Without dead ends: 953 [2021-06-04 21:48:18,009 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-06-04 21:48:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2021-06-04 21:48:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 950 states have (on average 2.482105263157895) internal successors, (2358), 952 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2358 transitions. [2021-06-04 21:48:18,126 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2358 transitions. Word has length 43 [2021-06-04 21:48:18,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:48:18,126 INFO L482 AbstractCegarLoop]: Abstraction has 953 states and 2358 transitions. [2021-06-04 21:48:18,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2358 transitions. [2021-06-04 21:48:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-04 21:48:18,129 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:48:18,129 INFO L521 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] [2021-06-04 21:48:18,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-04 21:48:18,130 INFO L430 AbstractCegarLoop]: === Iteration 2 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:48:18,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:48:18,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1041569185, now seen corresponding path program 1 times [2021-06-04 21:48:18,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:48:18,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825339517] [2021-06-04 21:48:18,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:48:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:48:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:48:18,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:48:18,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825339517] [2021-06-04 21:48:18,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825339517] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:48:18,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:48:18,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-04 21:48:18,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707881261] [2021-06-04 21:48:18,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-04 21:48:18,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:48:18,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-04 21:48:18,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,186 INFO L87 Difference]: Start difference. First operand 953 states and 2358 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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) [2021-06-04 21:48:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:48:18,209 INFO L93 Difference]: Finished difference Result 989 states and 2391 transitions. [2021-06-04 21:48:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-04 21:48:18,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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 [2021-06-04 21:48:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:48:18,217 INFO L225 Difference]: With dead ends: 989 [2021-06-04 21:48:18,217 INFO L226 Difference]: Without dead ends: 780 [2021-06-04 21:48:18,218 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-06-04 21:48:18,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 723. [2021-06-04 21:48:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 720 states have (on average 2.3625) internal successors, (1701), 722 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1701 transitions. [2021-06-04 21:48:18,251 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1701 transitions. Word has length 48 [2021-06-04 21:48:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:48:18,251 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 1701 transitions. [2021-06-04 21:48:18,251 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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) [2021-06-04 21:48:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1701 transitions. [2021-06-04 21:48:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-06-04 21:48:18,259 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:48:18,259 INFO L521 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] [2021-06-04 21:48:18,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-04 21:48:18,259 INFO L430 AbstractCegarLoop]: === Iteration 3 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:48:18,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:48:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1390554518, now seen corresponding path program 1 times [2021-06-04 21:48:18,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:48:18,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073013425] [2021-06-04 21:48:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:48:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:48:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:48:18,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:48:18,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073013425] [2021-06-04 21:48:18,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073013425] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:48:18,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:48:18,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-04 21:48:18,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496427446] [2021-06-04 21:48:18,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-04 21:48:18,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:48:18,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-04 21:48:18,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,345 INFO L87 Difference]: Start difference. First operand 723 states and 1701 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 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) [2021-06-04 21:48:18,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:48:18,361 INFO L93 Difference]: Finished difference Result 638 states and 1438 transitions. [2021-06-04 21:48:18,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-04 21:48:18,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 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 [2021-06-04 21:48:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:48:18,364 INFO L225 Difference]: With dead ends: 638 [2021-06-04 21:48:18,364 INFO L226 Difference]: Without dead ends: 500 [2021-06-04 21:48:18,364 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-06-04 21:48:18,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2021-06-04 21:48:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 498 states have (on average 2.2349397590361444) internal successors, (1113), 499 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 1113 transitions. [2021-06-04 21:48:18,377 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 1113 transitions. Word has length 49 [2021-06-04 21:48:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:48:18,377 INFO L482 AbstractCegarLoop]: Abstraction has 500 states and 1113 transitions. [2021-06-04 21:48:18,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 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) [2021-06-04 21:48:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1113 transitions. [2021-06-04 21:48:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-04 21:48:18,379 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:48:18,379 INFO L521 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] [2021-06-04 21:48:18,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-04 21:48:18,379 INFO L430 AbstractCegarLoop]: === Iteration 4 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:48:18,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:48:18,380 INFO L82 PathProgramCache]: Analyzing trace with hash 867673879, now seen corresponding path program 1 times [2021-06-04 21:48:18,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:48:18,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512740509] [2021-06-04 21:48:18,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:48:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:48:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:48:18,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:48:18,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512740509] [2021-06-04 21:48:18,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512740509] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:48:18,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:48:18,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-04 21:48:18,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921238156] [2021-06-04 21:48:18,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-04 21:48:18,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:48:18,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-04 21:48:18,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,455 INFO L87 Difference]: Start difference. First operand 500 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:48:18,471 INFO L93 Difference]: Finished difference Result 500 states and 1097 transitions. [2021-06-04 21:48:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-04 21:48:18,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2021-06-04 21:48:18,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:48:18,474 INFO L225 Difference]: With dead ends: 500 [2021-06-04 21:48:18,474 INFO L226 Difference]: Without dead ends: 412 [2021-06-04 21:48:18,474 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-04 21:48:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-06-04 21:48:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2021-06-04 21:48:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 410 states have (on average 2.1682926829268294) internal successors, (889), 411 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 889 transitions. [2021-06-04 21:48:18,485 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 889 transitions. Word has length 59 [2021-06-04 21:48:18,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:48:18,486 INFO L482 AbstractCegarLoop]: Abstraction has 412 states and 889 transitions. [2021-06-04 21:48:18,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 889 transitions. [2021-06-04 21:48:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-04 21:48:18,488 INFO L513 BasicCegarLoop]: Found error trace [2021-06-04 21:48:18,489 INFO L521 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] [2021-06-04 21:48:18,489 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-04 21:48:18,490 INFO L430 AbstractCegarLoop]: === Iteration 5 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-04 21:48:18,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-04 21:48:18,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1223682229, now seen corresponding path program 2 times [2021-06-04 21:48:18,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-04 21:48:18,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708240483] [2021-06-04 21:48:18,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-04 21:48:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-04 21:48:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-04 21:48:18,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-04 21:48:18,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708240483] [2021-06-04 21:48:18,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708240483] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-04 21:48:18,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-04 21:48:18,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-04 21:48:18,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735816470] [2021-06-04 21:48:18,578 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-04 21:48:18,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-04 21:48:18,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-04 21:48:18,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-04 21:48:18,582 INFO L87 Difference]: Start difference. First operand 412 states and 889 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-04 21:48:18,622 INFO L93 Difference]: Finished difference Result 214 states and 436 transitions. [2021-06-04 21:48:18,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-04 21:48:18,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2021-06-04 21:48:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-04 21:48:18,623 INFO L225 Difference]: With dead ends: 214 [2021-06-04 21:48:18,623 INFO L226 Difference]: Without dead ends: 0 [2021-06-04 21:48:18,624 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-04 21:48:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-04 21:48:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-04 21:48:18,624 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) [2021-06-04 21:48:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-04 21:48:18,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-06-04 21:48:18,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-04 21:48:18,625 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-04 21:48:18,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-04 21:48:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-04 21:48:18,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-04 21:48:18,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-04 21:48:18,627 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-04 21:48:18,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 09:48:18 BasicIcfg [2021-06-04 21:48:18,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-04 21:48:18,630 INFO L168 Benchmark]: Toolchain (without parser) took 2221.99 ms. Allocated memory is still 348.1 MB. Free memory was 311.1 MB in the beginning and 169.3 MB in the end (delta: 141.8 MB). Peak memory consumption was 141.8 MB. Max. memory is 16.0 GB. [2021-06-04 21:48:18,631 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 348.1 MB. Free memory is still 328.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-04 21:48:18,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.22 ms. Allocated memory is still 348.1 MB. Free memory was 310.8 MB in the beginning and 311.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-04 21:48:18,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.97 ms. Allocated memory is still 348.1 MB. Free memory was 311.9 MB in the beginning and 309.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:48:18,632 INFO L168 Benchmark]: Boogie Preprocessor took 17.12 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:48:18,634 INFO L168 Benchmark]: RCFGBuilder took 415.26 ms. Allocated memory is still 348.1 MB. Free memory was 308.7 MB in the beginning and 281.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-04 21:48:18,635 INFO L168 Benchmark]: TraceAbstraction took 1220.98 ms. Allocated memory is still 348.1 MB. Free memory was 280.4 MB in the beginning and 169.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.0 GB. [2021-06-04 21:48:18,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 348.1 MB. Free memory is still 328.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 518.22 ms. Allocated memory is still 348.1 MB. Free memory was 310.8 MB in the beginning and 311.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.97 ms. Allocated memory is still 348.1 MB. Free memory was 311.9 MB in the beginning and 309.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.12 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 415.26 ms. Allocated memory is still 348.1 MB. Free memory was 308.7 MB in the beginning and 281.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1220.98 ms. Allocated memory is still 348.1 MB. Free memory was 280.4 MB in the beginning and 169.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 710]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1090.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 23.0ms, AutomataDifference: 214.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 74.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 422 SDtfs, 199 SDslu, 249 SDs, 0 SdLazy, 29 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1183occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 163.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.2ms SsaConstructionTime, 116.8ms SatisfiabilityAnalysisTime, 324.2ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! Received shutdown request...