/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 07:29:03,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 07:29:03,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 07:29:03,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 07:29:03,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 07:29:03,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 07:29:03,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 07:29:03,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 07:29:03,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 07:29:03,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 07:29:03,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 07:29:03,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 07:29:03,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 07:29:03,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 07:29:03,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 07:29:03,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 07:29:03,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 07:29:03,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 07:29:03,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 07:29:03,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 07:29:03,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 07:29:03,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 07:29:03,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 07:29:03,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 07:29:03,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 07:29:03,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 07:29:03,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 07:29:03,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 07:29:03,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 07:29:03,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 07:29:03,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 07:29:03,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 07:29:03,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 07:29:03,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 07:29:03,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 07:29:03,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 07:29:03,615 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 07:29:03,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 07:29:03,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 07:29:03,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 07:29:03,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 07:29:03,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 07:29:03,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 07:29:03,638 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 07:29:03,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 07:29:03,639 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 07:29:03,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 07:29:03,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 07:29:03,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 07:29:03,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 07:29:03,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 07:29:03,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 07:29:03,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 07:29:03,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 07:29:03,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 07:29:03,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 07:29:03,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 07:29:03,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 07:29:03,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 07:29:03,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 07:29:03,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:29:03,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 07:29:03,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 07:29:03,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 07:29:03,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 07:29:03,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 07:29:03,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 07:29:03,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 07:29:03,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 07:29:03,967 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 07:29:03,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-07-10 07:29:04,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921ef86cf/4dcbb572e07741c59a5e6dac3c65c837/FLAG646778252 [2021-07-10 07:29:04,638 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 07:29:04,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-07-10 07:29:04,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921ef86cf/4dcbb572e07741c59a5e6dac3c65c837/FLAG646778252 [2021-07-10 07:29:04,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921ef86cf/4dcbb572e07741c59a5e6dac3c65c837 [2021-07-10 07:29:04,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 07:29:04,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 07:29:04,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 07:29:04,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 07:29:04,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 07:29:04,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:29:04" (1/1) ... [2021-07-10 07:29:04,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb4f667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:04, skipping insertion in model container [2021-07-10 07:29:04,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:29:04" (1/1) ... [2021-07-10 07:29:04,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 07:29:05,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 07:29:05,389 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/sync01.i[42004,42017] [2021-07-10 07:29:05,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:29:05,404 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 07:29:05,435 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/sync01.i[42004,42017] [2021-07-10 07:29:05,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:29:05,484 INFO L208 MainTranslator]: Completed translation [2021-07-10 07:29:05,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05 WrapperNode [2021-07-10 07:29:05,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 07:29:05,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 07:29:05,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 07:29:05,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 07:29:05,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 07:29:05,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 07:29:05,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 07:29:05,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 07:29:05,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... [2021-07-10 07:29:05,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 07:29:05,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 07:29:05,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 07:29:05,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 07:29:05,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:29:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 07:29:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 07:29:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 07:29:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 07:29:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 07:29:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 07:29:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 07:29:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 07:29:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-10 07:29:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 07:29:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 07:29:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 07:29:05,627 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 07:29:06,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 07:29:06,175 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-10 07:29:06,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:29:06 BoogieIcfgContainer [2021-07-10 07:29:06,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 07:29:06,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 07:29:06,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 07:29:06,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 07:29:06,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:29:04" (1/3) ... [2021-07-10 07:29:06,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fd89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:29:06, skipping insertion in model container [2021-07-10 07:29:06,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:29:05" (2/3) ... [2021-07-10 07:29:06,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fd89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:29:06, skipping insertion in model container [2021-07-10 07:29:06,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:29:06" (3/3) ... [2021-07-10 07:29:06,183 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-10 07:29:06,189 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 07:29:06,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 07:29:06,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 07:29:06,190 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 07:29:06,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,228 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,228 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,228 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,229 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,233 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,233 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,234 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,234 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,236 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,248 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,248 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,255 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,255 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,256 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:29:06,266 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 07:29:06,287 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-10 07:29:06,340 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:29:06,340 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:29:06,340 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:29:06,340 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:29:06,340 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:29:06,340 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:29:06,341 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:29:06,341 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 07:29:06,526 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:29:06,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:29:06,531 INFO L82 PathProgramCache]: Analyzing trace with hash 894976564, now seen corresponding path program 1 times [2021-07-10 07:29:06,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:29:06,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841489459] [2021-07-10 07:29:06,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:29:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:29:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:29:06,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:29:06,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841489459] [2021-07-10 07:29:06,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841489459] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:29:06,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:29:06,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 07:29:06,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105686280] [2021-07-10 07:29:06,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 07:29:06,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:29:06,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 07:29:06,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 07:29:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:06,815 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:29:06,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:29:06,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:06,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:06,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 07:29:06,831 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:29:06,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:29:06,831 INFO L82 PathProgramCache]: Analyzing trace with hash 400734066, now seen corresponding path program 1 times [2021-07-10 07:29:06,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:29:06,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631213785] [2021-07-10 07:29:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:29:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:29:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:29:06,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:29:06,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631213785] [2021-07-10 07:29:06,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631213785] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:29:06,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:29:06,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 07:29:06,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319303455] [2021-07-10 07:29:06,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 07:29:06,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:29:06,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 07:29:06,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 07:29:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:06,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:29:06,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:29:06,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:06,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:07,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:07,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 07:29:07,119 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:29:07,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:29:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash 293296098, now seen corresponding path program 1 times [2021-07-10 07:29:07,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:29:07,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748392944] [2021-07-10 07:29:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:29:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:29:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 07:29:07,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:29:07,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748392944] [2021-07-10 07:29:07,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748392944] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:29:07,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:29:07,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 07:29:07,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184829111] [2021-07-10 07:29:07,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 07:29:07,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:29:07,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 07:29:07,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 07:29:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:07,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:29:07,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:29:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:07,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:07,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:07,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:07,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 07:29:07,342 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:29:07,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:29:07,343 INFO L82 PathProgramCache]: Analyzing trace with hash 275029012, now seen corresponding path program 2 times [2021-07-10 07:29:07,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:29:07,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595273261] [2021-07-10 07:29:07,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:29:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:29:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 07:29:07,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:29:07,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595273261] [2021-07-10 07:29:07,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595273261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:29:07,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044683173] [2021-07-10 07:29:07,889 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 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 [2021-07-10 07:29:08,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 07:29:08,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 07:29:08,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 07:29:08,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:29:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 07:29:08,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044683173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:29:08,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:29:08,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-07-10 07:29:08,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185390864] [2021-07-10 07:29:08,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 07:29:08,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:29:08,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 07:29:08,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-07-10 07:29:08,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:08,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:29:08,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 9.5) internal successors, (133), 14 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:29:08,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:08,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:29:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:29:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 07:29:09,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:29:09,637 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 07:29:09,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:29:09 BasicIcfg [2021-07-10 07:29:09,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 07:29:09,640 INFO L168 Benchmark]: Toolchain (without parser) took 4698.14 ms. Allocated memory was 245.4 MB in the beginning and 359.7 MB in the end (delta: 114.3 MB). Free memory was 208.2 MB in the beginning and 251.5 MB in the end (delta: -43.3 MB). Peak memory consumption was 71.8 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:09,640 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 245.4 MB. Free memory is still 226.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 07:29:09,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.39 ms. Allocated memory is still 245.4 MB. Free memory was 207.9 MB in the beginning and 211.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:09,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.20 ms. Allocated memory is still 245.4 MB. Free memory was 211.0 MB in the beginning and 208.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:09,641 INFO L168 Benchmark]: Boogie Preprocessor took 24.77 ms. Allocated memory is still 245.4 MB. Free memory was 208.8 MB in the beginning and 206.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:09,641 INFO L168 Benchmark]: RCFGBuilder took 625.82 ms. Allocated memory is still 245.4 MB. Free memory was 206.8 MB in the beginning and 179.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:09,641 INFO L168 Benchmark]: TraceAbstraction took 3461.28 ms. Allocated memory was 245.4 MB in the beginning and 359.7 MB in the end (delta: 114.3 MB). Free memory was 178.5 MB in the beginning and 251.5 MB in the end (delta: -73.0 MB). Peak memory consumption was 42.3 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:09,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 245.4 MB. Free memory is still 226.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 541.39 ms. Allocated memory is still 245.4 MB. Free memory was 207.9 MB in the beginning and 211.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.20 ms. Allocated memory is still 245.4 MB. Free memory was 211.0 MB in the beginning and 208.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.77 ms. Allocated memory is still 245.4 MB. Free memory was 208.8 MB in the beginning and 206.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 625.82 ms. Allocated memory is still 245.4 MB. Free memory was 206.8 MB in the beginning and 179.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3461.28 ms. Allocated memory was 245.4 MB in the beginning and 359.7 MB in the end (delta: 114.3 MB). Free memory was 178.5 MB in the beginning and 251.5 MB in the end (delta: -73.0 MB). Peak memory consumption was 42.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5437, positive: 5138, positive conditional: 1072, positive unconditional: 4066, negative: 299, negative conditional: 251, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5212, positive: 5138, positive conditional: 1072, positive unconditional: 4066, negative: 74, negative conditional: 26, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5212, positive: 5135, positive conditional: 0, positive unconditional: 5135, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1415, positive: 1391, positive conditional: 0, positive unconditional: 1391, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1415, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5212, positive: 3744, positive conditional: 0, positive unconditional: 3744, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 1415, unknown conditional: 0, unknown unconditional: 1415] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67 ], Maximal queried relation: 4, Independence queries for same thread: 225 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 269, Number of persistent set computation: 410, Number of trivial persistent sets: 410, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5437, positive: 5138, positive conditional: 1072, positive unconditional: 4066, negative: 299, negative conditional: 251, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5212, positive: 5138, positive conditional: 1072, positive unconditional: 4066, negative: 74, negative conditional: 26, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5212, positive: 5135, positive conditional: 0, positive unconditional: 5135, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1415, positive: 1391, positive conditional: 0, positive unconditional: 1391, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1415, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5212, positive: 3744, positive conditional: 0, positive unconditional: 3744, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 1415, unknown conditional: 0, unknown unconditional: 1415] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 172, negative conditional: 19, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 28, negative conditional: 4, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 53, positive conditional: 5, positive unconditional: 49, negative: 114, negative conditional: 10, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 168, negative conditional: 15, negative unconditional: 153, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1393, Positive conditional cache size: 2, Positive unconditional cache size: 1391, Negative cache size: 28, Negative conditional cache size: 4, Negative unconditional cache size: 24, Eliminated conditions: 67 ], Maximal queried relation: 4, Independence queries for same thread: 225 - PositiveResult [Line: 966]: 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: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3334.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 1324.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, 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: 54.2ms SsaConstructionTime, 258.5ms SatisfiabilityAnalysisTime, 1157.9ms InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 1553 SizeOfPredicates, 5 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 20/27 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...