/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-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 05:07:42,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 05:07:42,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 05:07:42,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 05:07:42,601 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-NewStatesSleep-NoLbe-Random42.epf [2021-08-07 05:07:42,639 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 05:07:42,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 05:07:42,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 05:07:42,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 05:07:42,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 05:07:42,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 05:07:42,642 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 05:07:42,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 05:07:42,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 05:07:42,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 05:07:42,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 05:07:42,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 05:07:42,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 05:07:42,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 05:07:42,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 05:07:42,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 05:07:42,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:07:42,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 05:07:42,645 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 05:07:42,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 05:07:42,646 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 05:07:42,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 05:07:42,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 05:07:42,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 05:07:42,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 05:07:42,943 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 05:07:42,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2021-08-07 05:07:42,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7edaabe/9cdf0842119c45018dd632b0a456bae5/FLAG82d67c808 [2021-08-07 05:07:43,479 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 05:07:43,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2021-08-07 05:07:43,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7edaabe/9cdf0842119c45018dd632b0a456bae5/FLAG82d67c808 [2021-08-07 05:07:43,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7edaabe/9cdf0842119c45018dd632b0a456bae5 [2021-08-07 05:07:43,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 05:07:43,505 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 05:07:43,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 05:07:43,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 05:07:43,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 05:07:43,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448516a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43, skipping insertion in model container [2021-08-07 05:07:43,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 05:07:43,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 05:07:43,723 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-wmm/safe000_pso.opt.i[949,962] [2021-08-07 05:07:43,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 05:07:43,843 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 05:07:43,852 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-wmm/safe000_pso.opt.i[949,962] [2021-08-07 05:07:43,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 05:07:43,916 INFO L208 MainTranslator]: Completed translation [2021-08-07 05:07:43,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43 WrapperNode [2021-08-07 05:07:43,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 05:07:43,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 05:07:43,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 05:07:43,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 05:07:43,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 05:07:43,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 05:07:43,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 05:07:43,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 05:07:43,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:43,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 05:07:43,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 05:07:43,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 05:07:43,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 05:07:43,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (1/1) ... [2021-08-07 05:07:44,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:07:44,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:07:44,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 05:07:44,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 05:07:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 05:07:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 05:07:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 05:07:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 05:07:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 05:07:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 05:07:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 05:07:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 05:07:44,064 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 05:07:44,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 05:07:44,434 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 05:07:44,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:07:44 BoogieIcfgContainer [2021-08-07 05:07:44,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 05:07:44,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 05:07:44,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 05:07:44,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 05:07:44,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:07:43" (1/3) ... [2021-08-07 05:07:44,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f735031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:07:44, skipping insertion in model container [2021-08-07 05:07:44,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:07:43" (2/3) ... [2021-08-07 05:07:44,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f735031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:07:44, skipping insertion in model container [2021-08-07 05:07:44,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:07:44" (3/3) ... [2021-08-07 05:07:44,442 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.opt.i [2021-08-07 05:07:44,446 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 05:07:44,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 05:07:44,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 05:07:44,446 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 05:07:44,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,480 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,481 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,485 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,485 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,486 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,486 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,487 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,494 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,494 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,494 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,494 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,496 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,496 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:07:44,499 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 05:07:44,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 05:07:44,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:07:44,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 05:07:44,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 05:07:44,599 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 05:07:44,603 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 05:07:44,603 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 05:07:44,683 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 05:07:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:07:44,687 INFO L82 PathProgramCache]: Analyzing trace with hash 636262211, now seen corresponding path program 1 times [2021-08-07 05:07:44,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:07:44,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342345086] [2021-08-07 05:07:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:07:44,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:07:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:07:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:07:45,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:07:45,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342345086] [2021-08-07 05:07:45,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342345086] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:07:45,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:07:45,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 05:07:45,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294548865] [2021-08-07 05:07:45,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 05:07:45,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:07:45,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 05:07:45,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-07 05:07:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:45,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:07:45,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-08-07 05:07:45,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:07:45,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 05:07:45,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 05:07:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:07:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1320299079, now seen corresponding path program 2 times [2021-08-07 05:07:45,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:07:45,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742832544] [2021-08-07 05:07:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:07:45,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:07:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:07:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:07:45,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:07:45,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742832544] [2021-08-07 05:07:45,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742832544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:07:45,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:07:45,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:07:45,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086818957] [2021-08-07 05:07:45,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:07:45,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:07:45,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:07:45,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:07:45,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:45,656 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:07:45,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 05:07:45,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 05:07:45,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 05:07:46,018 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 05:07:46,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:07:46,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1755167397, now seen corresponding path program 3 times [2021-08-07 05:07:46,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:07:46,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609302234] [2021-08-07 05:07:46,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:07:46,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:07:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:07:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:07:46,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:07:46,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609302234] [2021-08-07 05:07:46,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609302234] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:07:46,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:07:46,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:07:46,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164234269] [2021-08-07 05:07:46,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:07:46,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:07:46,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:07:46,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:07:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:46,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:07:46,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 05:07:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:07:46,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 05:07:46,642 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 05:07:46,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:07:46,642 INFO L82 PathProgramCache]: Analyzing trace with hash 861922737, now seen corresponding path program 4 times [2021-08-07 05:07:46,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:07:46,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879964170] [2021-08-07 05:07:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:07:46,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:07:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:07:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:07:46,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:07:46,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879964170] [2021-08-07 05:07:46,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879964170] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:07:46,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:07:46,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 05:07:46,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394793802] [2021-08-07 05:07:46,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 05:07:46,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:07:46,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 05:07:46,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-07 05:07:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:46,741 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:07:46,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-08-07 05:07:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:07:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:07:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:07:47,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 05:07:47,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 05:07:47,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 05:07:47,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 05:07:47,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 05:07:47,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 05:07:47,510 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 05:07:47,510 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 05:07:47,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 05:07:47 BasicIcfg [2021-08-07 05:07:47,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 05:07:47,514 INFO L168 Benchmark]: Toolchain (without parser) took 4007.65 ms. Allocated memory was 194.0 MB in the beginning and 488.6 MB in the end (delta: 294.6 MB). Free memory was 156.3 MB in the beginning and 383.1 MB in the end (delta: -226.7 MB). Peak memory consumption was 171.0 MB. Max. memory is 8.0 GB. [2021-08-07 05:07:47,514 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 194.0 MB. Free memory is still 174.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 05:07:47,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.77 ms. Allocated memory is still 194.0 MB. Free memory was 156.1 MB in the beginning and 165.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-08-07 05:07:47,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 194.0 MB. Free memory was 165.7 MB in the beginning and 163.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 05:07:47,519 INFO L168 Benchmark]: Boogie Preprocessor took 28.62 ms. Allocated memory is still 194.0 MB. Free memory was 163.6 MB in the beginning and 162.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 05:07:47,519 INFO L168 Benchmark]: RCFGBuilder took 447.16 ms. Allocated memory is still 194.0 MB. Free memory was 162.0 MB in the beginning and 137.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-07 05:07:47,519 INFO L168 Benchmark]: TraceAbstraction took 3075.31 ms. Allocated memory was 194.0 MB in the beginning and 488.6 MB in the end (delta: 294.6 MB). Free memory was 137.4 MB in the beginning and 383.1 MB in the end (delta: -245.7 MB). Peak memory consumption was 152.8 MB. Max. memory is 8.0 GB. [2021-08-07 05:07:47,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 194.0 MB. Free memory is still 174.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 399.77 ms. Allocated memory is still 194.0 MB. Free memory was 156.1 MB in the beginning and 165.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 194.0 MB. Free memory was 165.7 MB in the beginning and 163.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.62 ms. Allocated memory is still 194.0 MB. Free memory was 163.6 MB in the beginning and 162.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 447.16 ms. Allocated memory is still 194.0 MB. Free memory was 162.0 MB in the beginning and 137.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3075.31 ms. Allocated memory was 194.0 MB in the beginning and 488.6 MB in the end (delta: 294.6 MB). Free memory was 137.4 MB in the beginning and 383.1 MB in the end (delta: -245.7 MB). Peak memory consumption was 152.8 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: 154011, positive: 148520, positive conditional: 148520, positive unconditional: 0, negative: 5491, negative conditional: 5491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150819, positive: 148520, positive conditional: 148520, positive unconditional: 0, negative: 2299, negative conditional: 2299, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 150819, positive: 148520, positive conditional: 148520, positive unconditional: 0, negative: 2299, negative conditional: 2299, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158536, positive: 148520, positive conditional: 148499, positive unconditional: 21, negative: 10016, negative conditional: 7717, negative unconditional: 2299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 158536, positive: 148520, positive conditional: 25372, positive unconditional: 123148, negative: 10016, negative conditional: 390, negative unconditional: 9626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 158536, positive: 148520, positive conditional: 25372, positive unconditional: 123148, negative: 10016, negative conditional: 390, negative unconditional: 9626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 773, positive: 743, positive conditional: 161, positive unconditional: 582, negative: 30, negative conditional: 15, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 773, positive: 708, positive conditional: 0, positive unconditional: 708, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 30, negative conditional: 15, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 68, positive conditional: 47, positive unconditional: 21, negative: 53, negative conditional: 15, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 158536, positive: 147777, positive conditional: 25211, positive unconditional: 122566, negative: 9986, negative conditional: 375, negative unconditional: 9611, unknown: 773, unknown conditional: 176, unknown unconditional: 597] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 743, Positive conditional cache size: 161, Positive unconditional cache size: 582, Negative cache size: 30, Negative conditional cache size: 15, Negative unconditional cache size: 15, Eliminated conditions: 130454, Maximal queried relation: 4, Independence queries for same thread: 3192 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2967.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.8ms, PartialOrderReductionTime: 2052.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 13.6ms SsaConstructionTime, 125.7ms SatisfiabilityAnalysisTime, 558.0ms InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 05:07:47,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 05:07:47,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...