/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 07:14:19,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 07:14:19,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 07:14:19,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 07:14:19,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 07:14:19,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 07:14:19,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 07:14:19,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 07:14:19,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 07:14:19,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 07:14:19,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 07:14:19,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 07:14:19,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 07:14:19,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 07:14:19,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 07:14:19,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 07:14:19,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 07:14:19,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 07:14:19,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 07:14:19,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 07:14:19,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 07:14:19,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 07:14:19,452 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 07:14:19,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 07:14:19,452 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 07:14:19,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 07:14:19,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 07:14:19,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 07:14:19,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 07:14:19,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 07:14:19,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 07:14:19,454 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 07:14:19,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 07:14:19,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 07:14:19,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 07:14:19,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 07:14:19,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 07:14:19,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 07:14:19,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 07:14:19,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:14:19,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 07:14:19,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 07:14:19,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 07:14:19,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 07:14:19,456 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 07:14:19,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 07:14:19,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 07:14:19,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 07:14:19,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 07:14:19,457 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 07:14:19,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 07:14:19,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 07:14:19,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 07:14:19,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 07:14:19,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 07:14:19,772 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 07:14:19,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench-2.i [2021-07-10 07:14:19,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c77b94c/ac1d75ebba9748f4ba8d5f92d4a8c8e2/FLAGb5fb83838 [2021-07-10 07:14:20,368 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 07:14:20,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench-2.i [2021-07-10 07:14:20,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c77b94c/ac1d75ebba9748f4ba8d5f92d4a8c8e2/FLAGb5fb83838 [2021-07-10 07:14:20,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c77b94c/ac1d75ebba9748f4ba8d5f92d4a8c8e2 [2021-07-10 07:14:20,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 07:14:20,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 07:14:20,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 07:14:20,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 07:14:20,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 07:14:20,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:14:20" (1/1) ... [2021-07-10 07:14:20,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e54fdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:20, skipping insertion in model container [2021-07-10 07:14:20,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:14:20" (1/1) ... [2021-07-10 07:14:20,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 07:14:20,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 07:14:21,087 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/fib_bench-2.i[30922,30935] [2021-07-10 07:14:21,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:14:21,100 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 07:14:21,158 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/fib_bench-2.i[30922,30935] [2021-07-10 07:14:21,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 07:14:21,195 INFO L208 MainTranslator]: Completed translation [2021-07-10 07:14:21,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21 WrapperNode [2021-07-10 07:14:21,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 07:14:21,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 07:14:21,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 07:14:21,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 07:14:21,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 07:14:21,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 07:14:21,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 07:14:21,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 07:14:21,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... [2021-07-10 07:14:21,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 07:14:21,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 07:14:21,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 07:14:21,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 07:14:21,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 07:14:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-10 07:14:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-10 07:14:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 07:14:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 07:14:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 07:14:21,338 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 07:14:21,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 07:14:21,704 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-10 07:14:21,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:14:21 BoogieIcfgContainer [2021-07-10 07:14:21,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 07:14:21,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 07:14:21,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 07:14:21,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 07:14:21,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:14:20" (1/3) ... [2021-07-10 07:14:21,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec50367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:14:21, skipping insertion in model container [2021-07-10 07:14:21,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:14:21" (2/3) ... [2021-07-10 07:14:21,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec50367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:14:21, skipping insertion in model container [2021-07-10 07:14:21,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:14:21" (3/3) ... [2021-07-10 07:14:21,713 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench-2.i [2021-07-10 07:14:21,718 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 07:14:21,718 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 07:14:21,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 07:14:21,719 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 07:14:21,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,755 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,755 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,755 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,755 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,755 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,756 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,756 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,756 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,756 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,756 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,756 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,757 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,757 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,757 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,757 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,757 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,757 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,758 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,758 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,758 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,758 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,758 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,758 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,759 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,764 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,765 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,765 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,765 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,765 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,765 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,770 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,770 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,771 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 07:14:21,773 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 07:14:21,795 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 07:14:21,858 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 07:14:21,858 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 07:14:21,858 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 07:14:21,858 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 07:14:21,858 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 07:14:21,859 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 07:14:21,859 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 07:14:21,859 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 07:14:22,001 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:22,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:22,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1245073723, now seen corresponding path program 1 times [2021-07-10 07:14:22,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:22,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518018060] [2021-07-10 07:14:22,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:22,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:22,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518018060] [2021-07-10 07:14:22,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518018060] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:14:22,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:14:22,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 07:14:22,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307291843] [2021-07-10 07:14:22,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 07:14:22,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:22,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 07:14:22,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-10 07:14:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:22,387 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:22,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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 07:14:22,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:22,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 07:14:22,451 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:22,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:22,451 INFO L82 PathProgramCache]: Analyzing trace with hash 20544346, now seen corresponding path program 1 times [2021-07-10 07:14:22,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:22,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465981587] [2021-07-10 07:14:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:22,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:22,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465981587] [2021-07-10 07:14:22,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465981587] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:14:22,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:14:22,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 07:14:22,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470681669] [2021-07-10 07:14:22,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 07:14:22,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:22,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 07:14:22,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 07:14:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:22,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:22,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:14:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:22,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:22,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 07:14:22,734 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:22,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:22,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1550118382, now seen corresponding path program 1 times [2021-07-10 07:14:22,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:22,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358519157] [2021-07-10 07:14:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:22,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:22,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358519157] [2021-07-10 07:14:22,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358519157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:22,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515276310] [2021-07-10 07:14:22,922 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 07:14:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:23,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 07:14:23,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:14:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:23,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515276310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:23,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:14:23,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 07:14:23,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035089687] [2021-07-10 07:14:23,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 07:14:23,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:23,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 07:14:23,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-07-10 07:14:23,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:23,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:23,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:14:23,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:23,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:23,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:23,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:23,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 07:14:23,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:14:23,613 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:23,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:23,613 INFO L82 PathProgramCache]: Analyzing trace with hash -16915003, now seen corresponding path program 1 times [2021-07-10 07:14:23,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:23,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149962055] [2021-07-10 07:14:23,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 07:14:23,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:23,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149962055] [2021-07-10 07:14:23,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149962055] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:14:23,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 07:14:23,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 07:14:23,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957104902] [2021-07-10 07:14:23,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 07:14:23,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:23,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 07:14:23,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 07:14:23,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:23,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:23,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:14:23,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:23,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:23,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 07:14:23,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:23,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 07:14:23,697 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:23,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:23,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1964106718, now seen corresponding path program 1 times [2021-07-10 07:14:23,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:23,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336309074] [2021-07-10 07:14:23,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:23,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:23,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336309074] [2021-07-10 07:14:23,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336309074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:23,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085253431] [2021-07-10 07:14:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:14:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:23,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 07:14:23,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:14:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:24,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085253431] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:24,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:14:24,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-10 07:14:24,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279993734] [2021-07-10 07:14:24,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 07:14:24,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:24,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 07:14:24,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-10 07:14:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:24,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:24,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:14:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 07:14:24,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:14:24,681 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:24,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1567131641, now seen corresponding path program 1 times [2021-07-10 07:14:24,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:24,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442587753] [2021-07-10 07:14:24,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:24,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:24,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442587753] [2021-07-10 07:14:24,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442587753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:24,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102540102] [2021-07-10 07:14:24,882 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 07:14:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:24,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 07:14:24,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:14:25,355 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:25,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102540102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:25,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 07:14:25,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 07:14:25,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046780444] [2021-07-10 07:14:25,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 07:14:25,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:25,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 07:14:25,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-07-10 07:14:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:25,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:25,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.8) internal successors, (116), 20 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:14:25,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:25,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:25,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:25,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:25,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 07:14:25,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 07:14:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:14:25,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:14:25,765 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:25,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:25,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1066042197, now seen corresponding path program 1 times [2021-07-10 07:14:25,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:25,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366126627] [2021-07-10 07:14:25,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 43 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:25,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:25,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366126627] [2021-07-10 07:14:25,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366126627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:25,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228157173] [2021-07-10 07:14:25,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:14:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:25,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 07:14:25,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 07:14:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:26,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228157173] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 07:14:26,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 07:14:26,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-07-10 07:14:26,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712013862] [2021-07-10 07:14:26,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 07:14:26,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 07:14:26,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 07:14:26,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-07-10 07:14:26,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:26,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 07:14:26,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 07:14:26,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 07:14:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:14:26,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 07:14:26,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 07:14:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 07:14:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 07:14:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 07:14:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 07:14:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 07:14:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 07:14:26,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-10 07:14:26,521 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 07:14:26,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 07:14:26,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2061818276, now seen corresponding path program 1 times [2021-07-10 07:14:26,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 07:14:26,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054247837] [2021-07-10 07:14:26,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 07:14:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 07:14:26,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 07:14:26,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054247837] [2021-07-10 07:14:26,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054247837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 07:14:26,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115629462] [2021-07-10 07:14:26,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:14:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 07:14:26,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 07:14:26,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-07-10 07:29:00,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 07:29:00,858 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-10 07:29:00,868 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 07:29:00,869 WARN L196 ceAbstractionStarter]: Timeout [2021-07-10 07:29:00,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:29:00 BasicIcfg [2021-07-10 07:29:00,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 07:29:00,871 INFO L168 Benchmark]: Toolchain (without parser) took 880150.68 ms. Allocated memory was 204.5 MB in the beginning and 829.4 MB in the end (delta: 625.0 MB). Free memory was 167.0 MB in the beginning and 529.2 MB in the end (delta: -362.2 MB). Peak memory consumption was 502.8 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:00,871 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 204.5 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 07:29:00,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.73 ms. Allocated memory is still 204.5 MB. Free memory was 166.8 MB in the beginning and 177.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:00,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.86 ms. Allocated memory is still 204.5 MB. Free memory was 177.9 MB in the beginning and 175.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:00,871 INFO L168 Benchmark]: Boogie Preprocessor took 21.58 ms. Allocated memory is still 204.5 MB. Free memory was 175.8 MB in the beginning and 174.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:00,871 INFO L168 Benchmark]: RCFGBuilder took 452.31 ms. Allocated memory is still 204.5 MB. Free memory was 174.8 MB in the beginning and 152.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:00,872 INFO L168 Benchmark]: TraceAbstraction took 879162.71 ms. Allocated memory was 204.5 MB in the beginning and 829.4 MB in the end (delta: 625.0 MB). Free memory was 152.2 MB in the beginning and 529.2 MB in the end (delta: -376.9 MB). Peak memory consumption was 488.3 MB. Max. memory is 8.0 GB. [2021-07-10 07:29:00,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 204.5 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 473.73 ms. Allocated memory is still 204.5 MB. Free memory was 166.8 MB in the beginning and 177.9 MB in the end (delta: -11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.86 ms. Allocated memory is still 204.5 MB. Free memory was 177.9 MB in the beginning and 175.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.58 ms. Allocated memory is still 204.5 MB. Free memory was 175.8 MB in the beginning and 174.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 452.31 ms. Allocated memory is still 204.5 MB. Free memory was 174.8 MB in the beginning and 152.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 879162.71 ms. Allocated memory was 204.5 MB in the beginning and 829.4 MB in the end (delta: 625.0 MB). Free memory was 152.2 MB in the beginning and 529.2 MB in the end (delta: -376.9 MB). Peak memory consumption was 488.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3384, positive: 3148, positive conditional: 1073, positive unconditional: 2075, negative: 236, negative conditional: 222, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3183, positive: 3148, positive conditional: 1073, positive unconditional: 2075, negative: 35, negative conditional: 21, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3183, positive: 3106, positive conditional: 0, positive unconditional: 3106, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 858, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 858, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3183, positive: 2254, positive conditional: 0, positive unconditional: 2254, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 858, unknown conditional: 0, unknown unconditional: 858] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70 ], Maximal queried relation: 7, Independence queries for same thread: 201 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 125, Number of persistent set computation: 88, Number of trivial persistent sets: 27, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3384, positive: 3148, positive conditional: 1073, positive unconditional: 2075, negative: 236, negative conditional: 222, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3183, positive: 3148, positive conditional: 1073, positive unconditional: 2075, negative: 35, negative conditional: 21, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3183, positive: 3106, positive conditional: 0, positive unconditional: 3106, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 858, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 858, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3183, positive: 2254, positive conditional: 0, positive unconditional: 2254, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 858, unknown conditional: 0, unknown unconditional: 858] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70, SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 209, negative conditional: 123, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 26, negative conditional: 20, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 84, negative conditional: 33, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 251, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 189, negative conditional: 103, negative unconditional: 86, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 884, Positive cache size: 858, Positive conditional cache size: 6, Positive unconditional cache size: 852, Negative cache size: 26, Negative conditional cache size: 20, Negative unconditional cache size: 6, Eliminated conditions: 70 ], Maximal queried relation: 7, Independence queries for same thread: 201 - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 68 with TraceHistMax 5,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 879056.9ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.9ms, PartialOrderReductionTime: 1023.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 96.0ms SsaConstructionTime, 261.9ms SatisfiabilityAnalysisTime, 2057.3ms InterpolantComputationTime, 597 NumberOfCodeBlocks, 597 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 3426 SizeOfPredicates, 16 NumberOfNonLiveVariables, 571 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 124/263 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown