/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-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/condvar.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 19:54:03,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 19:54:03,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 19:54:03,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 19:54:03,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 19:54:03,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 19:54:03,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 19:54:03,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 19:54:03,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 19:54:03,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 19:54:03,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 19:54:03,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 19:54:03,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 19:54:03,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 19:54:03,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 19:54:03,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 19:54:03,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 19:54:03,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 19:54:03,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 19:54:03,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 19:54:03,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 19:54:03,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 19:54:03,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 19:54:03,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 19:54:03,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 19:54:03,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 19:54:03,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 19:54:03,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 19:54:03,318 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-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 19:54:03,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 19:54:03,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 19:54:03,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 19:54:03,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 19:54:03,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 19:54:03,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 19:54:03,332 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 19:54:03,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 19:54:03,332 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 19:54:03,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 19:54:03,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 19:54:03,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 19:54:03,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 19:54:03,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 19:54:03,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 19:54:03,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:54:03,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 19:54:03,335 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 19:54:03,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 19:54:03,336 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 19:54:03,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 19:54:03,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 19:54:03,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 19:54:03,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 19:54:03,579 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 19:54:03,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar.i [2021-06-06 19:54:03,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da4a5cb2/bf008e60fadc4dfc8e884797e530b4b3/FLAGb3ba52e2e [2021-06-06 19:54:04,052 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 19:54:04,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar.i [2021-06-06 19:54:04,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da4a5cb2/bf008e60fadc4dfc8e884797e530b4b3/FLAGb3ba52e2e [2021-06-06 19:54:04,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da4a5cb2/bf008e60fadc4dfc8e884797e530b4b3 [2021-06-06 19:54:04,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 19:54:04,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 19:54:04,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 19:54:04,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 19:54:04,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 19:54:04,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8b9039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04, skipping insertion in model container [2021-06-06 19:54:04,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 19:54:04,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 19:54:04,262 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 19:54:04,398 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-divine/condvar.i[30458,30471] [2021-06-06 19:54:04,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:54:04,412 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 19:54:04,422 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-06 19:54:04,443 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-divine/condvar.i[30458,30471] [2021-06-06 19:54:04,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:54:04,499 INFO L208 MainTranslator]: Completed translation [2021-06-06 19:54:04,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04 WrapperNode [2021-06-06 19:54:04,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 19:54:04,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 19:54:04,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 19:54:04,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 19:54:04,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 19:54:04,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 19:54:04,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 19:54:04,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 19:54:04,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (1/1) ... [2021-06-06 19:54:04,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 19:54:04,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 19:54:04,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 19:54:04,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 19:54:04,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (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 [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 19:54:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-06-06 19:54:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-06-06 19:54:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 19:54:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 19:54:04,609 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 19:54:04,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 19:54:04,919 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 19:54:04,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:54:04 BoogieIcfgContainer [2021-06-06 19:54:04,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 19:54:04,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 19:54:04,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 19:54:04,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 19:54:04,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 07:54:04" (1/3) ... [2021-06-06 19:54:04,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f53e945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:54:04, skipping insertion in model container [2021-06-06 19:54:04,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:54:04" (2/3) ... [2021-06-06 19:54:04,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f53e945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:54:04, skipping insertion in model container [2021-06-06 19:54:04,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:54:04" (3/3) ... [2021-06-06 19:54:04,925 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar.i [2021-06-06 19:54:04,930 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 19:54:04,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 19:54:04,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 19:54:04,931 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,952 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,953 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,953 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,953 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,953 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,953 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,953 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,954 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,954 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,955 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,955 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,955 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,955 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,955 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,957 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,957 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,958 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,958 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,958 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,958 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:54:04,966 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-06 19:54:04,980 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 19:54:05,017 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:54:05,017 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:54:05,017 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:54:05,017 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:54:05,018 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:54:05,018 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:54:05,018 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:54:05,018 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == threadThread1of1ForFork0======== [2021-06-06 19:54:05,082 INFO L430 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:54:05,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:54:05,086 INFO L82 PathProgramCache]: Analyzing trace with hash -2110368327, now seen corresponding path program 1 times [2021-06-06 19:54:05,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:54:05,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859481703] [2021-06-06 19:54:05,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:54:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:54:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:05,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:54:05,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859481703] [2021-06-06 19:54:05,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859481703] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:54:05,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:54:05,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 19:54:05,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190694387] [2021-06-06 19:54:05,242 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 19:54:05,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:54:05,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 19:54:05,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 19:54:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:05,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:54:05,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-06-06 19:54:05,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:05,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 19:54:05,281 INFO L430 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:54:05,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:54:05,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1289270171, now seen corresponding path program 1 times [2021-06-06 19:54:05,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:54:05,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571728531] [2021-06-06 19:54:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:54:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:54:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:05,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:54:05,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571728531] [2021-06-06 19:54:05,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571728531] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:54:05,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:54:05,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 19:54:05,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210681173] [2021-06-06 19:54:05,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 19:54:05,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:54:05,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 19:54:05,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 19:54:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:05,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:54:05,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-06-06 19:54:05,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 19:54:05,389 INFO L430 AbstractCegarLoop]: === Iteration 3 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:54:05,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:54:05,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1926764546, now seen corresponding path program 1 times [2021-06-06 19:54:05,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:54:05,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620342897] [2021-06-06 19:54:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:54:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:54:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:05,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:54:05,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620342897] [2021-06-06 19:54:05,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620342897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 19:54:05,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290478713] [2021-06-06 19:54:05,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 19:54:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:54:05,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 19:54:05,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 19:54:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:05,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290478713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 19:54:05,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 19:54:05,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-06 19:54:05,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238207930] [2021-06-06 19:54:05,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:54:05,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:54:05,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:54:05,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:54:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:05,617 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:54:05,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-06-06 19:54:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:54:05,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 19:54:05,876 INFO L430 AbstractCegarLoop]: === Iteration 4 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:54:05,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:54:05,877 INFO L82 PathProgramCache]: Analyzing trace with hash 619234934, now seen corresponding path program 2 times [2021-06-06 19:54:05,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:54:05,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740086745] [2021-06-06 19:54:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:54:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:54:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:05,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:54:05,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740086745] [2021-06-06 19:54:05,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740086745] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 19:54:05,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581505459] [2021-06-06 19:54:05,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 19:54:06,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 19:54:06,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 19:54:06,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 19:54:06,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 19:54:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:06,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581505459] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 19:54:06,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 19:54:06,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 19:54:06,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8985402] [2021-06-06 19:54:06,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 19:54:06,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:54:06,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 19:54:06,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-06 19:54:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:06,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:54:06,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:54:06,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:54:06,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:06,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:54:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 19:54:06,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 19:54:06,410 INFO L430 AbstractCegarLoop]: === Iteration 5 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:54:06,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:54:06,410 INFO L82 PathProgramCache]: Analyzing trace with hash 97006334, now seen corresponding path program 3 times [2021-06-06 19:54:06,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:54:06,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131343201] [2021-06-06 19:54:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:54:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:54:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:54:06,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:54:06,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131343201] [2021-06-06 19:54:06,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131343201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 19:54:06,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888263997] [2021-06-06 19:54:06,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 19:54:06,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 19:54:06,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 19:54:06,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 19:54:06,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 19:54:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-06 19:54:06,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888263997] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:54:06,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 19:54:06,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-06-06 19:54:06,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550973755] [2021-06-06 19:54:06,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:54:06,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:54:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:54:06,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-06 19:54:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:06,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:54:06,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 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) [2021-06-06 19:54:06,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:54:06,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 19:54:06,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:54:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 19:54:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:54:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 19:54:06,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 19:54:06,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 19:54:06,966 INFO L301 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was SAFE (1/3) [2021-06-06 19:54:06,967 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 19:54:06,975 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:54:06,976 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:54:06,976 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:54:06,976 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:54:06,976 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:54:06,976 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:54:06,976 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:54:06,976 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 19:54:07,004 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-06 19:54:07,005 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 19:54:07,014 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:54:07,014 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:54:07,014 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:54:07,014 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:54:07,014 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:54:07,014 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:54:07,014 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:54:07,015 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread======== [2021-06-06 19:54:07,075 INFO L301 ceAbstractionStarter]: Result for error location thread was SAFE (3/3) [2021-06-06 19:54:07,076 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 19:54:07,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 07:54:07 BasicIcfg [2021-06-06 19:54:07,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 19:54:07,078 INFO L168 Benchmark]: Toolchain (without parser) took 2986.89 ms. Allocated memory is still 354.4 MB. Free memory was 316.7 MB in the beginning and 216.9 MB in the end (delta: 99.8 MB). Peak memory consumption was 100.3 MB. Max. memory is 16.0 GB. [2021-06-06 19:54:07,078 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 354.4 MB. Free memory was 334.7 MB in the beginning and 334.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:54:07,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.59 ms. Allocated memory is still 354.4 MB. Free memory was 316.4 MB in the beginning and 317.4 MB in the end (delta: -992.9 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-06 19:54:07,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.53 ms. Allocated memory is still 354.4 MB. Free memory was 317.4 MB in the beginning and 316.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:54:07,078 INFO L168 Benchmark]: Boogie Preprocessor took 14.14 ms. Allocated memory is still 354.4 MB. Free memory was 316.3 MB in the beginning and 314.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:54:07,078 INFO L168 Benchmark]: RCFGBuilder took 381.85 ms. Allocated memory is still 354.4 MB. Free memory was 314.2 MB in the beginning and 291.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:54:07,078 INFO L168 Benchmark]: TraceAbstraction took 2156.38 ms. Allocated memory is still 354.4 MB. Free memory was 290.1 MB in the beginning and 216.9 MB in the end (delta: 73.2 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.0 GB. [2021-06-06 19:54:07,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 354.4 MB. Free memory was 334.7 MB in the beginning and 334.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 406.59 ms. Allocated memory is still 354.4 MB. Free memory was 316.4 MB in the beginning and 317.4 MB in the end (delta: -992.9 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.53 ms. Allocated memory is still 354.4 MB. Free memory was 317.4 MB in the beginning and 316.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.14 ms. Allocated memory is still 354.4 MB. Free memory was 316.3 MB in the beginning and 314.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 381.85 ms. Allocated memory is still 354.4 MB. Free memory was 314.2 MB in the beginning and 291.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2156.38 ms. Allocated memory is still 354.4 MB. Free memory was 290.1 MB in the beginning and 216.9 MB in the end (delta: 73.2 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1133, positive: 781, positive conditional: 781, positive unconditional: 0, negative: 352, negative conditional: 352, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 787, positive: 781, positive conditional: 781, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 787, positive: 781, positive conditional: 0, positive unconditional: 781, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 148, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 148, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 1, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 787, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 148, unknown conditional: 0, unknown unconditional: 148] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 1, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 1, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 1, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 1, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 1, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 10 ], Maximal queried relation: 5, Independence queries for same thread: 346 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 287, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 192, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 192, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 192, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 192, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 192, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 192, Positive cache size: 189, Positive conditional cache size: 0, Positive unconditional cache size: 189, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 95 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 287, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 192, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 192, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 192, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 192, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 192, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 192, Positive cache size: 189, Positive conditional cache size: 0, Positive unconditional cache size: 189, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 95 - PositiveResult [Line: 706]: 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 for errors in thread instance: threadThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1968.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 300.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 39.8ms SsaConstructionTime, 138.3ms SatisfiabilityAnalysisTime, 602.8ms InterpolantComputationTime, 457 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 449 ConstructedInterpolants, 0 QuantifiedInterpolants, 661 SizeOfPredicates, 10 NumberOfNonLiveVariables, 427 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 19/53 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 26.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread with 1 thread instances CFG has 3 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 69.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 59.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...