/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:48:51,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:48:51,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:48:51,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:48:51,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 19:48:51,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 19:48:51,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 19:48:51,819 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 19:48:51,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:48:51,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:48:51,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:48:51,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:48:51,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:48:51,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:48:51,861 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:48:51,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:48:51,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:48:51,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:48:51,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:48:51,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:48:51,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:48:51,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:48:51,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:48:51,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:48:51,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:48:51,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:48:51,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:48:51,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:48:51,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:48:51,866 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:48:51,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 19:48:51,866 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:48:52,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:48:52,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:48:52,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:48:52,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 19:48:52,207 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 19:48:52,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-07-14 19:48:52,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f965383c/85dfc927e79b4116a78ca1df21f2326c/FLAG8e1ce881b [2021-07-14 19:48:52,783 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 19:48:52,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-07-14 19:48:52,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f965383c/85dfc927e79b4116a78ca1df21f2326c/FLAG8e1ce881b [2021-07-14 19:48:53,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f965383c/85dfc927e79b4116a78ca1df21f2326c [2021-07-14 19:48:53,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:48:53,134 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 19:48:53,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 19:48:53,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 19:48:53,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 19:48:53,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eca20b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53, skipping insertion in model container [2021-07-14 19:48:53,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 19:48:53,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 19:48:53,326 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-14 19:48:53,444 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-ext/40_barrier_vf.i[31172,31185] [2021-07-14 19:48:53,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 19:48:53,495 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 19:48:53,509 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-14 19:48:53,535 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-ext/40_barrier_vf.i[31172,31185] [2021-07-14 19:48:53,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 19:48:53,581 INFO L208 MainTranslator]: Completed translation [2021-07-14 19:48:53,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53 WrapperNode [2021-07-14 19:48:53,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 19:48:53,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:48:53,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:48:53,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:48:53,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:48:53,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:48:53,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:48:53,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:48:53,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (1/1) ... [2021-07-14 19:48:53,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:48:53,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:48:53,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:48:53,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:48:53,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (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 [2021-07-14 19:48:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-14 19:48:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-14 19:48:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 19:48:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 19:48:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 19:48:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 19:48:53,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 19:48:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 19:48:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:48:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:48:53,755 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 19:48:54,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:48:54,394 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-14 19:48:54,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:48:54 BoogieIcfgContainer [2021-07-14 19:48:54,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:48:54,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:48:54,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:48:54,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:48:54,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 07:48:53" (1/3) ... [2021-07-14 19:48:54,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecc96ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:48:54, skipping insertion in model container [2021-07-14 19:48:54,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:48:53" (2/3) ... [2021-07-14 19:48:54,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecc96ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:48:54, skipping insertion in model container [2021-07-14 19:48:54,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:48:54" (3/3) ... [2021-07-14 19:48:54,404 INFO L111 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2021-07-14 19:48:54,410 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:48:54,410 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:48:54,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:48:54,411 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:48:54,437 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:54,450 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 19:48:54,471 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 [2021-07-14 19:48:54,523 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:48:54,524 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:48:54,524 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:48:54,524 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:48:54,524 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:48:54,524 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:48:54,524 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:48:54,524 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-07-14 19:48:54,634 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:54,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:54,639 INFO L82 PathProgramCache]: Analyzing trace with hash -538325248, now seen corresponding path program 1 times [2021-07-14 19:48:54,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:54,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813632706] [2021-07-14 19:48:54,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:54,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:54,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813632706] [2021-07-14 19:48:54,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813632706] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:54,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:54,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:48:54,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333569355] [2021-07-14 19:48:54,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:48:54,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:54,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:48:54,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:48:54,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:54,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:54,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-07-14 19:48:54,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:54,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 19:48:54,924 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:54,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:54,925 INFO L82 PathProgramCache]: Analyzing trace with hash 340049289, now seen corresponding path program 1 times [2021-07-14 19:48:54,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:54,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928200174] [2021-07-14 19:48:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:55,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:55,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928200174] [2021-07-14 19:48:55,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928200174] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:55,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:55,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 19:48:55,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418550514] [2021-07-14 19:48:55,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:48:55,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:55,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:48:55,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 19:48:55,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:55,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-07-14 19:48:55,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:55,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:55,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 19:48:55,151 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-07-14 19:48:55,153 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:48:55,175 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:48:55,176 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:48:55,176 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:48:55,176 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:48:55,176 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:48:55,176 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:48:55,176 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:48:55,176 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:48:55,216 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-14 19:48:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:55,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1855306719, now seen corresponding path program 1 times [2021-07-14 19:48:55,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:55,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766204742] [2021-07-14 19:48:55,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:55,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:55,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766204742] [2021-07-14 19:48:55,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766204742] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:55,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:55,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:48:55,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538303245] [2021-07-14 19:48:55,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:48:55,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:55,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:48:55,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:48:55,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:55,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-07-14 19:48:55,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:55,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 19:48:55,287 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-14 19:48:55,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:55,288 INFO L82 PathProgramCache]: Analyzing trace with hash 251466275, now seen corresponding path program 1 times [2021-07-14 19:48:55,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:55,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547581080] [2021-07-14 19:48:55,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:48:55,303 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:48:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:48:55,319 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:48:55,340 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 19:48:55,340 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 19:48:55,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 19:48:55,342 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2021-07-14 19:48:55,342 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-14 19:48:55,342 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-14 19:48:55,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,365 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 19:48:55,365 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 19:48:55,381 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:48:55,381 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:48:55,381 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:48:55,381 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:48:55,381 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:48:55,381 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:48:55,381 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:48:55,381 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:48:55,519 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-14 19:48:55,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:55,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1968509713, now seen corresponding path program 1 times [2021-07-14 19:48:55,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:55,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75233074] [2021-07-14 19:48:55,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 19:48:55,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:55,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75233074] [2021-07-14 19:48:55,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75233074] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:55,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:55,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 19:48:55,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024969746] [2021-07-14 19:48:55,672 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:48:55,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:55,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:48:55,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 19:48:55,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,673 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:55,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-07-14 19:48:55,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:55,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 19:48:55,730 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-14 19:48:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:55,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1387779434, now seen corresponding path program 1 times [2021-07-14 19:48:55,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:55,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643124234] [2021-07-14 19:48:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 19:48:55,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:55,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643124234] [2021-07-14 19:48:55,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643124234] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:55,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:55,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:48:55,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532451075] [2021-07-14 19:48:55,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:48:55,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:55,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:48:55,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:48:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:55,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-07-14 19:48:55,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:55,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 19:48:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:55,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 19:48:55,817 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-14 19:48:55,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:55,817 INFO L82 PathProgramCache]: Analyzing trace with hash 722788796, now seen corresponding path program 1 times [2021-07-14 19:48:55,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:55,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859944] [2021-07-14 19:48:55,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:48:55,834 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:48:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:48:55,849 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:48:55,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 19:48:55,860 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 19:48:55,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 19:48:55,864 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2021-07-14 19:48:55,864 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-14 19:48:55,868 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-07-14 19:48:55,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,893 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,893 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,893 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,893 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,898 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,904 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:48:55,907 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 19:48:55,907 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 19:48:55,919 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:48:55,919 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:48:55,919 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:48:55,919 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:48:55,920 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:48:55,920 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:48:55,920 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:48:55,920 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of3ForFork0======== Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:48:56,083 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:56,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:56,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1993461907, now seen corresponding path program 1 times [2021-07-14 19:48:56,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:56,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099739697] [2021-07-14 19:48:56,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 19:48:56,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:56,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099739697] [2021-07-14 19:48:56,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099739697] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:56,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:56,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 19:48:56,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391405453] [2021-07-14 19:48:56,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 19:48:56,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:56,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 19:48:56,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 19:48:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:56,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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) [2021-07-14 19:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 19:48:56,128 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:56,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:56,128 INFO L82 PathProgramCache]: Analyzing trace with hash -198500232, now seen corresponding path program 1 times [2021-07-14 19:48:56,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:56,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583945690] [2021-07-14 19:48:56,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:48:56,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:56,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583945690] [2021-07-14 19:48:56,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583945690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:48:56,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896688185] [2021-07-14 19:48:56,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:48:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:56,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 19:48:56,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:48:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 19:48:56,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896688185] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:56,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 19:48:56,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-07-14 19:48:56,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235024447] [2021-07-14 19:48:56,760 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:48:56,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:56,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:48:56,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-07-14 19:48:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,761 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:56,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-07-14 19:48:56,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:48:57,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:48:57,149 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:57,149 INFO L82 PathProgramCache]: Analyzing trace with hash 163371453, now seen corresponding path program 1 times [2021-07-14 19:48:57,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:57,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840646523] [2021-07-14 19:48:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:48:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 19:48:57,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:48:57,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840646523] [2021-07-14 19:48:57,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840646523] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:48:57,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:48:57,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:48:57,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26669196] [2021-07-14 19:48:57,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:48:57,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:48:57,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:48:57,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:48:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:57,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:48:57,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-07-14 19:48:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:48:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:48:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:48:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:48:57,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 19:48:57,237 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:48:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:48:57,237 INFO L82 PathProgramCache]: Analyzing trace with hash -826040802, now seen corresponding path program 1 times [2021-07-14 19:48:57,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:48:57,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102324521] [2021-07-14 19:48:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:48:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:48:57,263 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:48:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:48:57,281 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:48:57,292 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 19:48:57,292 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 19:48:57,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 19:48:57,295 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was UNSAFE (1/4) [2021-07-14 19:48:57,296 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2021-07-14 19:48:57,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:48:57 BasicIcfg [2021-07-14 19:48:57,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 19:48:57,363 INFO L168 Benchmark]: Toolchain (without parser) took 4228.44 ms. Allocated memory was 239.1 MB in the beginning and 292.6 MB in the end (delta: 53.5 MB). Free memory was 201.8 MB in the beginning and 197.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. [2021-07-14 19:48:57,363 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 239.1 MB. Free memory is still 219.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 19:48:57,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.13 ms. Allocated memory is still 239.1 MB. Free memory was 201.6 MB in the beginning and 213.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:48:57,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.37 ms. Allocated memory is still 239.1 MB. Free memory was 213.9 MB in the beginning and 211.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:48:57,363 INFO L168 Benchmark]: Boogie Preprocessor took 33.45 ms. Allocated memory is still 239.1 MB. Free memory was 211.9 MB in the beginning and 210.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 19:48:57,363 INFO L168 Benchmark]: RCFGBuilder took 721.71 ms. Allocated memory is still 239.1 MB. Free memory was 210.8 MB in the beginning and 176.2 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. [2021-07-14 19:48:57,363 INFO L168 Benchmark]: TraceAbstraction took 2963.86 ms. Allocated memory was 239.1 MB in the beginning and 292.6 MB in the end (delta: 53.5 MB). Free memory was 175.7 MB in the beginning and 197.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 32.4 MB. Max. memory is 8.0 GB. [2021-07-14 19:48:57,364 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 239.1 MB. Free memory is still 219.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 445.13 ms. Allocated memory is still 239.1 MB. Free memory was 201.6 MB in the beginning and 213.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.37 ms. Allocated memory is still 239.1 MB. Free memory was 213.9 MB in the beginning and 211.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.45 ms. Allocated memory is still 239.1 MB. Free memory was 211.9 MB in the beginning and 210.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 721.71 ms. Allocated memory is still 239.1 MB. Free memory was 210.8 MB in the beginning and 176.2 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2963.86 ms. Allocated memory was 239.1 MB in the beginning and 292.6 MB in the end (delta: 53.5 MB). Free memory was 175.7 MB in the beginning and 197.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 32.4 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: 879, positive: 860, positive conditional: 63, positive unconditional: 797, negative: 19, negative conditional: 15, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 864, positive: 860, positive conditional: 63, positive unconditional: 797, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 864, positive: 860, positive conditional: 0, positive unconditional: 860, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 414, positive: 410, positive conditional: 0, positive unconditional: 410, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 414, positive: 410, positive conditional: 0, positive unconditional: 410, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 864, positive: 450, positive conditional: 0, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 414, unknown conditional: 0, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 410, Positive conditional cache size: 0, Positive unconditional cache size: 410, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 410, Positive conditional cache size: 0, Positive unconditional cache size: 410, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 410, Positive conditional cache size: 0, Positive unconditional cache size: 410, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 15 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 86, Number of persistent set computation: 47, Number of trivial persistent sets: 33, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 879, positive: 860, positive conditional: 63, positive unconditional: 797, negative: 19, negative conditional: 15, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 864, positive: 860, positive conditional: 63, positive unconditional: 797, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 864, positive: 860, positive conditional: 0, positive unconditional: 860, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 414, positive: 410, positive conditional: 0, positive unconditional: 410, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 414, positive: 410, positive conditional: 0, positive unconditional: 410, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 864, positive: 450, positive conditional: 0, positive unconditional: 450, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 414, unknown conditional: 0, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 410, Positive conditional cache size: 0, Positive unconditional cache size: 410, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 410, Positive conditional cache size: 0, Positive unconditional cache size: 410, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 414, Positive cache size: 410, Positive conditional cache size: 0, Positive unconditional cache size: 410, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 15 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 522, positive: 518, positive conditional: 34, positive unconditional: 484, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 520, positive: 518, positive conditional: 34, positive unconditional: 484, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 520, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 265, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 265, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 520, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 265, unknown conditional: 0, unknown unconditional: 265] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 37, Number of persistent set computation: 41, Number of trivial persistent sets: 35, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 522, positive: 518, positive conditional: 34, positive unconditional: 484, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 520, positive: 518, positive conditional: 34, positive unconditional: 484, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 520, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 265, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 265, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 520, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 265, unknown conditional: 0, unknown unconditional: 265] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1407, positive: 1367, positive conditional: 89, positive unconditional: 1278, negative: 40, negative conditional: 9, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1398, positive: 1367, positive conditional: 89, positive unconditional: 1278, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 933, positive: 910, positive conditional: 0, positive unconditional: 910, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 933, positive: 905, positive conditional: 0, positive unconditional: 905, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1398, positive: 457, positive conditional: 0, positive unconditional: 457, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 933, unknown conditional: 0, unknown unconditional: 933] , Statistics on independence cache: Total cache size (in pairs): 933, Positive cache size: 910, Positive conditional cache size: 0, Positive unconditional cache size: 910, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 933, Positive cache size: 910, Positive conditional cache size: 0, Positive unconditional cache size: 910, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 933, Positive cache size: 910, Positive conditional cache size: 0, Positive unconditional cache size: 910, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 143, Number of persistent set computation: 54, Number of trivial persistent sets: 36, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1407, positive: 1367, positive conditional: 89, positive unconditional: 1278, negative: 40, negative conditional: 9, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1398, positive: 1367, positive conditional: 89, positive unconditional: 1278, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 1367, positive conditional: 0, positive unconditional: 1367, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 933, positive: 910, positive conditional: 0, positive unconditional: 910, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 933, positive: 905, positive conditional: 0, positive unconditional: 905, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1398, positive: 457, positive conditional: 0, positive unconditional: 457, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 933, unknown conditional: 0, unknown unconditional: 933] , Statistics on independence cache: Total cache size (in pairs): 933, Positive cache size: 910, Positive conditional cache size: 0, Positive unconditional cache size: 910, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 933, Positive cache size: 910, Positive conditional cache size: 0, Positive unconditional cache size: 910, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 933, Positive cache size: 910, Positive conditional cache size: 0, Positive unconditional cache size: 910, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 9 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5073, positive: 4930, positive conditional: 590, positive unconditional: 4340, negative: 143, negative conditional: 67, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5013, positive: 4930, positive conditional: 590, positive unconditional: 4340, negative: 83, negative conditional: 7, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5013, positive: 4930, positive conditional: 0, positive unconditional: 4930, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2451, positive: 2398, positive conditional: 0, positive unconditional: 2398, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2451, positive: 2380, positive conditional: 0, positive unconditional: 2380, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 71, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5013, positive: 2532, positive conditional: 0, positive unconditional: 2532, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 2451, unknown conditional: 0, unknown unconditional: 2451] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 2, negative unconditional: 101, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 2, negative unconditional: 101, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 2, negative unconditional: 101, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 13 ], Maximal queried relation: 3, Independence queries for same thread: 60 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 226, Number of persistent set computation: 189, Number of trivial persistent sets: 166, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5073, positive: 4930, positive conditional: 590, positive unconditional: 4340, negative: 143, negative conditional: 67, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5013, positive: 4930, positive conditional: 590, positive unconditional: 4340, negative: 83, negative conditional: 7, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5013, positive: 4930, positive conditional: 0, positive unconditional: 4930, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2451, positive: 2398, positive conditional: 0, positive unconditional: 2398, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2451, positive: 2380, positive conditional: 0, positive unconditional: 2380, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 71, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5013, positive: 2532, positive conditional: 0, positive unconditional: 2532, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 2451, unknown conditional: 0, unknown unconditional: 2451] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 2, negative unconditional: 101, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 2, negative unconditional: 101, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 5, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 56, negative conditional: 3, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 106, negative conditional: 4, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 2, negative unconditional: 101, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2454, Positive cache size: 2398, Positive conditional cache size: 0, Positive unconditional cache size: 2398, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 13 ], Maximal queried relation: 3, Independence queries for same thread: 60 - CounterExampleResult [Line: 728]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L704] 0 volatile unsigned int count = 0; VAL [count=0] [L705] 0 _Bool MTX = 0; VAL [count=0, MTX=0] [L706] 0 _Bool COND = 0; VAL [COND=0, count=0, MTX=0] [L732] 0 pthread_t t; VAL [COND=0, count=0, MTX=0] [L733] COND TRUE 0 1 VAL [COND=0, count=0, MTX=0] [L733] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [COND=0, count=0, MTX=0] [L718] CALL 1 __VERIFIER_atomic_acquire() [L709] CALL 1 assume_abort_if_not(MTX==0) [L3] COND FALSE 1 !(!cond) [L709] RET 1 assume_abort_if_not(MTX==0) [L710] 1 MTX = 1 [L718] RET 1 __VERIFIER_atomic_acquire() [L719] 1 count++ VAL [COND=0, count=1, MTX=1] [L720] COND FALSE 1 !(count == 3) VAL [COND=0, count=1, MTX=1] [L724] CALL 1 __VERIFIER_atomic_release() [L714] CALL 1 assume_abort_if_not(MTX==1) [L3] COND FALSE 1 !(!cond) [L714] RET 1 assume_abort_if_not(MTX==1) [L715] 1 MTX = 0 [L724] RET 1 __VERIFIER_atomic_release() [L733] COND TRUE 0 1 VAL [COND=0, count=1, MTX=0] [L733] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [COND=0, count=1, MTX=0] [L718] CALL 2 __VERIFIER_atomic_acquire() [L709] CALL 2 assume_abort_if_not(MTX==0) [L3] COND FALSE 2 !(!cond) [L709] RET 2 assume_abort_if_not(MTX==0) [L710] 2 MTX = 1 [L718] RET 2 __VERIFIER_atomic_acquire() [L719] 2 count++ VAL [COND=0, count=2, MTX=1] [L720] COND FALSE 2 !(count == 3) VAL [COND=0, count=2, MTX=1] [L724] CALL 2 __VERIFIER_atomic_release() [L714] CALL 2 assume_abort_if_not(MTX==1) [L3] COND FALSE 2 !(!cond) [L714] RET 2 assume_abort_if_not(MTX==1) [L715] 2 MTX = 0 [L724] RET 2 __VERIFIER_atomic_release() [L733] COND TRUE 0 1 VAL [COND=0, count=2, MTX=0] [L733] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [COND=0, count=2, MTX=0] [L718] CALL 3 __VERIFIER_atomic_acquire() [L709] CALL 3 assume_abort_if_not(MTX==0) [L3] COND FALSE 3 !(!cond) [L709] RET 3 assume_abort_if_not(MTX==0) [L710] 3 MTX = 1 [L718] RET 3 __VERIFIER_atomic_acquire() [L719] 3 count++ VAL [COND=0, count=3, MTX=1] [L720] COND TRUE 3 count == 3 VAL [COND=0, count=3, MTX=1] [L721] 3 COND = 1 VAL [COND=1, count=3, MTX=1] [L3] COND FALSE 1 !(!cond) VAL [COND=1, count=3, MTX=1] [L724] 1 COND = 0 VAL [COND=0, count=3, MTX=1] [L722] 3 count = 0 VAL [COND=0, count=0, MTX=1] [L725] CALL 3 __VERIFIER_atomic_release() [L714] CALL 3 assume_abort_if_not(MTX==1) [L3] COND FALSE 3 !(!cond) [L714] RET 3 assume_abort_if_not(MTX==1) [L715] 3 MTX = 0 [L725] RET 3 __VERIFIER_atomic_release() [L728] 3 reach_error() VAL [COND=0, count=0, MTX=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 664.2ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 180.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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: 7.2ms SsaConstructionTime, 75.4ms SatisfiabilityAnalysisTime, 206.5ms InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: thr1Thread1of1ForFork0 with 2 thread instances CFG has 4 procedures, 86 locations, 4 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 3 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 180.3ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 47.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 3.7ms SsaConstructionTime, 24.3ms SatisfiabilityAnalysisTime, 35.8ms InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 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 2 thread instances CFG has 4 procedures, 86 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 497.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 200.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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: 6.5ms SsaConstructionTime, 44.6ms SatisfiabilityAnalysisTime, 179.8ms InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 34/34 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 3 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread3of3ForFork0 with 1 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1386.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 375.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, 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: 32.8ms SsaConstructionTime, 112.1ms SatisfiabilityAnalysisTime, 516.5ms InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 688 SizeOfPredicates, 5 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 51/68 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...