/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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:42:50,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:42:50,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:42:50,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 13:42:50,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 13:42:50,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 13:42:50,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 13:42:50,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 13:42:50,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 13:42:50,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 13:42:50,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 13:42:50,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 13:42:50,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:42:50,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:42:50,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:42:50,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:42:50,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:42:50,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:42:50,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:42:50,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:42:50,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:42:50,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:42:50,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:42:50,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:42:50,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 13:42:50,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:42:50,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:42:50,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:42:50,441 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 [2021-07-10 13:42:50,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:42:50,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:42:50,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:42:50,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:42:50,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:42:50,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:42:50,457 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:42:50,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:42:50,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:42:50,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:42:50,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:42:50,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:42:50,460 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:42:50,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 13:42:50,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:42:50,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:42:50,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:42:50,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:42:50,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 13:42:50,724 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 13:42:50,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-07-10 13:42:50,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca3c40a9/15cf1e4619ff4180bdd9231fb548e340/FLAGc4529c0bd [2021-07-10 13:42:51,203 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 13:42:51,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-07-10 13:42:51,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca3c40a9/15cf1e4619ff4180bdd9231fb548e340/FLAGc4529c0bd [2021-07-10 13:42:51,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca3c40a9/15cf1e4619ff4180bdd9231fb548e340 [2021-07-10 13:42:51,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:42:51,237 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 13:42:51,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:51,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 13:42:51,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 13:42:51,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1793cfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51, skipping insertion in model container [2021-07-10 13:42:51,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 13:42:51,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 13:42:51,435 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-10 13:42:51,567 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] [2021-07-10 13:42:51,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:51,580 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 13:42:51,596 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-10 13:42:51,616 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] [2021-07-10 13:42:51,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:51,645 INFO L208 MainTranslator]: Completed translation [2021-07-10 13:42:51,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51 WrapperNode [2021-07-10 13:42:51,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:51,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:51,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:42:51,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:42:51,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:51,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:42:51,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:42:51,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:42:51,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... [2021-07-10 13:42:51,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:42:51,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:42:51,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:42:51,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:42:51,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:42:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-10 13:42:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 13:42:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:42:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:42:51,850 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 13:42:52,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:42:52,128 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-10 13:42:52,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:52 BoogieIcfgContainer [2021-07-10 13:42:52,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:42:52,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:42:52,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:42:52,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:42:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:42:51" (1/3) ... [2021-07-10 13:42:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7412e136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:52, skipping insertion in model container [2021-07-10 13:42:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:51" (2/3) ... [2021-07-10 13:42:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7412e136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:52, skipping insertion in model container [2021-07-10 13:42:52,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:52" (3/3) ... [2021-07-10 13:42:52,135 INFO L111 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2021-07-10 13:42:52,138 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:42:52,139 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:42:52,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:42:52,139 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:42:52,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:52,165 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 13:42:52,180 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 [2021-07-10 13:42:52,274 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:42:52,274 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:42:52,274 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:42:52,274 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:42:52,275 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:42:52,275 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:42:52,275 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:42:52,275 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-07-10 13:42:52,353 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:52,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:52,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1724019135, now seen corresponding path program 1 times [2021-07-10 13:42:52,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:52,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960698977] [2021-07-10 13:42:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:52,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:52,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960698977] [2021-07-10 13:42:52,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960698977] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:52,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211114840] [2021-07-10 13:42:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:52,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 13:42:52,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:42:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:52,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211114840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:52,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:42:52,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 13:42:52,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319155876] [2021-07-10 13:42:52,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 13:42:52,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:52,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 13:42:52,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:42:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:52,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:52,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2021-07-10 13:42:52,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:52,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:42:53,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 13:42:53,177 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:53,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:53,180 INFO L82 PathProgramCache]: Analyzing trace with hash 234634260, now seen corresponding path program 1 times [2021-07-10 13:42:53,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:53,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541599358] [2021-07-10 13:42:53,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 13:42:53,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:53,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541599358] [2021-07-10 13:42:53,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541599358] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:53,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:42:53,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 13:42:53,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170993154] [2021-07-10 13:42:53,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 13:42:53,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:53,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 13:42:53,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 13:42:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:53,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:53,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:42:53,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:42:53,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:53,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:42:53,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:53,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 13:42:53,290 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-07-10 13:42:53,291 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 13:42:53,295 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:42:53,295 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:42:53,295 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:42:53,295 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:42:53,295 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:42:53,295 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:42:53,295 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:42:53,295 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:42:53,303 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 13:42:53,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:53,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1034264225, now seen corresponding path program 1 times [2021-07-10 13:42:53,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:53,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908121384] [2021-07-10 13:42:53,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:53,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:53,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908121384] [2021-07-10 13:42:53,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908121384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:53,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714620516] [2021-07-10 13:42:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:53,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 13:42:53,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 13:42:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:53,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714620516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 13:42:53,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 13:42:53,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 13:42:53,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142918736] [2021-07-10 13:42:53,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 13:42:53,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:53,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 13:42:53,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:42:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:53,529 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:53,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 13:42:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 13:42:53,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 13:42:53,783 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-07-10 13:42:53,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:53,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1753540131, now seen corresponding path program 1 times [2021-07-10 13:42:53,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:53,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822110438] [2021-07-10 13:42:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 13:42:53,795 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 13:42:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 13:42:53,804 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 13:42:53,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-10 13:42:53,818 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-10 13:42:53,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 13:42:53,819 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2021-07-10 13:42:53,820 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-10 13:42:53,820 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-10 13:42:53,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:53,844 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 13:42:53,845 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 13:42:53,871 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:42:53,872 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:42:53,872 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:42:53,872 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:42:53,872 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:42:53,872 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:42:53,872 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:42:53,872 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:42:53,923 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:137) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:360) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:422) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-10 13:42:53,925 INFO L168 Benchmark]: Toolchain (without parser) took 2688.25 ms. Allocated memory is still 187.7 MB. Free memory was 149.7 MB in the beginning and 93.5 MB in the end (delta: 56.1 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:53,925 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 187.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 13:42:53,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.72 ms. Allocated memory is still 187.7 MB. Free memory was 149.3 MB in the beginning and 161.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:53,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.79 ms. Allocated memory is still 187.7 MB. Free memory was 161.4 MB in the beginning and 159.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:53,926 INFO L168 Benchmark]: Boogie Preprocessor took 28.19 ms. Allocated memory is still 187.7 MB. Free memory was 159.4 MB in the beginning and 158.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:53,926 INFO L168 Benchmark]: RCFGBuilder took 407.26 ms. Allocated memory is still 187.7 MB. Free memory was 158.3 MB in the beginning and 124.2 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:53,926 INFO L168 Benchmark]: TraceAbstraction took 1793.81 ms. Allocated memory is still 187.7 MB. Free memory was 123.7 MB in the beginning and 93.5 MB in the end (delta: 30.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:53,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 187.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 406.72 ms. Allocated memory is still 187.7 MB. Free memory was 149.3 MB in the beginning and 161.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.79 ms. Allocated memory is still 187.7 MB. Free memory was 161.4 MB in the beginning and 159.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.19 ms. Allocated memory is still 187.7 MB. Free memory was 159.4 MB in the beginning and 158.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 407.26 ms. Allocated memory is still 187.7 MB. Free memory was 158.3 MB in the beginning and 124.2 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1793.81 ms. Allocated memory is still 187.7 MB. Free memory was 123.7 MB in the beginning and 93.5 MB in the end (delta: 30.2 MB). Peak memory consumption was 31.2 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: 1208, positive: 1168, positive conditional: 98, positive unconditional: 1070, negative: 40, negative conditional: 37, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1171, positive: 1168, positive conditional: 98, positive unconditional: 1070, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1171, positive: 1168, positive conditional: 0, positive unconditional: 1168, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 385, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 385, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1171, positive: 786, positive conditional: 0, positive unconditional: 786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 37 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 69, Number of persistent set computation: 60, Number of trivial persistent sets: 43, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1208, positive: 1168, positive conditional: 98, positive unconditional: 1070, negative: 40, negative conditional: 37, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1171, positive: 1168, positive conditional: 98, positive unconditional: 1070, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1171, positive: 1168, positive conditional: 0, positive unconditional: 1168, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 385, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 385, positive: 382, positive conditional: 0, positive unconditional: 382, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1171, positive: 786, positive conditional: 0, positive unconditional: 786, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 382, Positive conditional cache size: 0, Positive unconditional cache size: 382, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 37 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 745, positive: 736, positive conditional: 36, positive unconditional: 700, negative: 9, negative conditional: 8, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 737, positive: 736, positive conditional: 36, positive unconditional: 700, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 737, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 358, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 358, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 737, positive: 379, positive conditional: 0, positive unconditional: 379, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 358, unknown conditional: 0, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 358, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, 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): 358, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 35, Number of persistent set computation: 41, Number of trivial persistent sets: 34, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 745, positive: 736, positive conditional: 36, positive unconditional: 700, negative: 9, negative conditional: 8, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 737, positive: 736, positive conditional: 36, positive unconditional: 700, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 737, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 358, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 358, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 737, positive: 379, positive conditional: 0, positive unconditional: 379, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 358, unknown conditional: 0, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 358, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, 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): 358, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 8 - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...