/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-wmm/safe007_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 17:13:58,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 17:13:58,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 17:13:58,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 17:13:58,467 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 [2021-08-07 17:13:58,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 17:13:58,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 17:13:58,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 17:13:58,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 17:13:58,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 17:13:58,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 17:13:58,508 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 17:13:58,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 17:13:58,508 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 17:13:58,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 17:13:58,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 17:13:58,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 17:13:58,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 17:13:58,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 17:13:58,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 17:13:58,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 17:13:58,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 17:13:58,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 17:13:58,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 17:13:58,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 17:13:58,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 17:13:58,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 17:13:58,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 17:13:58,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:13:58,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 17:13:58,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 17:13:58,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 17:13:58,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 17:13:58,512 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 17:13:58,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 17:13:58,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 17:13:58,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 17:13:58,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 17:13:58,514 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 17:13:58,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 17:13:58,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 17:13:58,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 17:13:58,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 17:13:58,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 17:13:58,861 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 17:13:58,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i [2021-08-07 17:13:58,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f022df0e/2e0d6668a38c4c9b85dcfa011079ed8d/FLAGb668c559c [2021-08-07 17:13:59,322 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 17:13:59,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i [2021-08-07 17:13:59,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f022df0e/2e0d6668a38c4c9b85dcfa011079ed8d/FLAGb668c559c [2021-08-07 17:13:59,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f022df0e/2e0d6668a38c4c9b85dcfa011079ed8d [2021-08-07 17:13:59,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 17:13:59,666 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 17:13:59,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 17:13:59,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 17:13:59,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 17:13:59,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:13:59" (1/1) ... [2021-08-07 17:13:59,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3758954f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:13:59, skipping insertion in model container [2021-08-07 17:13:59,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:13:59" (1/1) ... [2021-08-07 17:13:59,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 17:13:59,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 17:13:59,869 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/safe007_tso.oepc.i[950,963] [2021-08-07 17:14:00,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:14:00,051 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 17:14:00,063 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/safe007_tso.oepc.i[950,963] [2021-08-07 17:14:00,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:14:00,141 INFO L208 MainTranslator]: Completed translation [2021-08-07 17:14:00,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00 WrapperNode [2021-08-07 17:14:00,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 17:14:00,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 17:14:00,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 17:14:00,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 17:14:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 17:14:00,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 17:14:00,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 17:14:00,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 17:14:00,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 17:14:00,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 17:14:00,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 17:14:00,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 17:14:00,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (1/1) ... [2021-08-07 17:14:00,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:14:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:14:00,246 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 17:14:00,273 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 17:14:00,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 17:14:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 17:14:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 17:14:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 17:14:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 17:14:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 17:14:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 17:14:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 17:14:00,291 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 17:14:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 17:14:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 17:14:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 17:14:00,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 17:14:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 17:14:00,294 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 17:14:00,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 17:14:00,580 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 17:14:00,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:14:00 BoogieIcfgContainer [2021-08-07 17:14:00,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 17:14:00,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 17:14:00,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 17:14:00,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 17:14:00,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:13:59" (1/3) ... [2021-08-07 17:14:00,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564fe209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:14:00, skipping insertion in model container [2021-08-07 17:14:00,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:14:00" (2/3) ... [2021-08-07 17:14:00,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564fe209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:14:00, skipping insertion in model container [2021-08-07 17:14:00,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:14:00" (3/3) ... [2021-08-07 17:14:00,589 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_tso.oepc.i [2021-08-07 17:14:00,594 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 17:14:00,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 17:14:00,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 17:14:00,594 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 17:14:00,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,642 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,642 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,651 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,652 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,652 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,653 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,653 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,658 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,658 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,670 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,670 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,680 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:14:00,684 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 17:14:00,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:14:00,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:14:00,739 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 17:14:00,740 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 17:14:00,780 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 17:14:00,787 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 17:14:00,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 17:14:00,977 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 17:14:00,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:14:00,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1045033670, now seen corresponding path program 1 times [2021-08-07 17:14:00,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:14:00,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547522332] [2021-08-07 17:14:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:14:00,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:14:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:14:01,178 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 17:14:01,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:14:01,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547522332] [2021-08-07 17:14:01,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547522332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:14:01,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:14:01,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:14:01,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289052453] [2021-08-07 17:14:01,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:14:01,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:14:01,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:14:01,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:14:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:14:01,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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 17:14:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 17:14:01,212 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 17:14:01,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:14:01,213 INFO L82 PathProgramCache]: Analyzing trace with hash 717820281, now seen corresponding path program 1 times [2021-08-07 17:14:01,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:14:01,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754535439] [2021-08-07 17:14:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:14:01,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:14:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:14:01,478 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 17:14:01,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:14:01,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754535439] [2021-08-07 17:14:01,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754535439] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:14:01,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:14:01,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 17:14:01,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939643695] [2021-08-07 17:14:01,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 17:14:01,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:14:01,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 17:14:01,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 17:14:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,481 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:14:01,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 17:14:01,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:14:01,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 17:14:01,749 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 17:14:01,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:14:01,749 INFO L82 PathProgramCache]: Analyzing trace with hash 233317799, now seen corresponding path program 1 times [2021-08-07 17:14:01,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:14:01,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694871247] [2021-08-07 17:14:01,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:14:01,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:14:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:14:01,966 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 17:14:01,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:14:01,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694871247] [2021-08-07 17:14:01,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694871247] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:14:01,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:14:01,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 17:14:01,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608266707] [2021-08-07 17:14:01,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 17:14:01,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:14:01,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 17:14:01,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 17:14:01,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,974 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:14:01,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 17:14:01,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:01,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:14:01,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:14:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 17:14:02,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 17:14:02,142 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 17:14:02,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:14:02,143 INFO L82 PathProgramCache]: Analyzing trace with hash -533541807, now seen corresponding path program 1 times [2021-08-07 17:14:02,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:14:02,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748163488] [2021-08-07 17:14:02,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:14:02,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:14:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:14:02,332 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 17:14:02,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:14:02,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748163488] [2021-08-07 17:14:02,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748163488] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:14:02,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:14:02,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 17:14:02,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746722715] [2021-08-07 17:14:02,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 17:14:02,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:14:02,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 17:14:02,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 17:14:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:02,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:14:02,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 17:14:02,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:02,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:14:02,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 17:14:02,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:14:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:14:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 17:14:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 17:14:02,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:14:02,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 17:14:02,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 17:14:02,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 17:14:02,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 17:14:02,916 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 17:14:02,916 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 17:14:02,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 05:14:02 BasicIcfg [2021-08-07 17:14:02,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 17:14:02,919 INFO L168 Benchmark]: Toolchain (without parser) took 3253.16 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 143.8 MB in the beginning and 133.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. [2021-08-07 17:14:02,919 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 179.3 MB. Free memory is still 161.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 17:14:02,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.95 ms. Allocated memory is still 179.3 MB. Free memory was 143.6 MB in the beginning and 154.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. [2021-08-07 17:14:02,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 179.3 MB. Free memory was 153.6 MB in the beginning and 152.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 17:14:02,920 INFO L168 Benchmark]: Boogie Preprocessor took 18.86 ms. Allocated memory is still 179.3 MB. Free memory was 152.0 MB in the beginning and 150.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 17:14:02,920 INFO L168 Benchmark]: RCFGBuilder took 375.28 ms. Allocated memory is still 179.3 MB. Free memory was 150.4 MB in the beginning and 126.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-07 17:14:02,921 INFO L168 Benchmark]: TraceAbstraction took 2334.42 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 126.3 MB in the beginning and 133.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 8.0 GB. [2021-08-07 17:14:02,922 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 179.3 MB. Free memory is still 161.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 472.95 ms. Allocated memory is still 179.3 MB. Free memory was 143.6 MB in the beginning and 154.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 179.3 MB. Free memory was 153.6 MB in the beginning and 152.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.86 ms. Allocated memory is still 179.3 MB. Free memory was 152.0 MB in the beginning and 150.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 375.28 ms. Allocated memory is still 179.3 MB. Free memory was 150.4 MB in the beginning and 126.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2334.42 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 126.3 MB in the beginning and 133.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 31.6 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: 14301, positive: 13769, positive conditional: 12592, positive unconditional: 1177, negative: 532, negative conditional: 512, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14132, positive: 13769, positive conditional: 12592, positive unconditional: 1177, negative: 363, negative conditional: 343, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14132, positive: 13769, positive conditional: 12592, positive unconditional: 1177, negative: 363, negative conditional: 343, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15399, positive: 13769, positive conditional: 12455, positive unconditional: 1314, negative: 1630, negative conditional: 1267, negative unconditional: 363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15399, positive: 13769, positive conditional: 2217, positive unconditional: 11552, negative: 1630, negative conditional: 106, negative unconditional: 1524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15399, positive: 13769, positive conditional: 2217, positive unconditional: 11552, negative: 1630, negative conditional: 106, negative unconditional: 1524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1230, positive: 1193, positive conditional: 16, positive unconditional: 1177, negative: 37, negative conditional: 17, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1230, positive: 1171, positive conditional: 0, positive unconditional: 1171, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 37, negative conditional: 17, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 56, positive conditional: 34, positive unconditional: 22, negative: 110, negative conditional: 31, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15399, positive: 12576, positive conditional: 2201, positive unconditional: 10375, negative: 1593, negative conditional: 89, negative unconditional: 1504, unknown: 1230, unknown conditional: 33, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1230, Positive cache size: 1193, Positive conditional cache size: 16, Positive unconditional cache size: 1177, Negative cache size: 37, Negative conditional cache size: 17, Negative unconditional cache size: 20, Eliminated conditions: 11399, Maximal queried relation: 4, Independence queries for same thread: 169 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 272, Number of persistent set computation: 984, Number of trivial persistent sets: 101, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1197, positive: 1177, positive conditional: 0, positive unconditional: 1177, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14301, positive: 13769, positive conditional: 12592, positive unconditional: 1177, negative: 532, negative conditional: 512, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14132, positive: 13769, positive conditional: 12592, positive unconditional: 1177, negative: 363, negative conditional: 343, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14132, positive: 13769, positive conditional: 12592, positive unconditional: 1177, negative: 363, negative conditional: 343, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15399, positive: 13769, positive conditional: 12455, positive unconditional: 1314, negative: 1630, negative conditional: 1267, negative unconditional: 363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15399, positive: 13769, positive conditional: 2217, positive unconditional: 11552, negative: 1630, negative conditional: 106, negative unconditional: 1524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15399, positive: 13769, positive conditional: 2217, positive unconditional: 11552, negative: 1630, negative conditional: 106, negative unconditional: 1524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1230, positive: 1193, positive conditional: 16, positive unconditional: 1177, negative: 37, negative conditional: 17, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1230, positive: 1171, positive conditional: 0, positive unconditional: 1171, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 37, negative conditional: 17, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 56, positive conditional: 34, positive unconditional: 22, negative: 110, negative conditional: 31, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15399, positive: 12576, positive conditional: 2201, positive unconditional: 10375, negative: 1593, negative conditional: 89, negative unconditional: 1504, unknown: 1230, unknown conditional: 33, unknown unconditional: 1197] , Statistics on independence cache: Total cache size (in pairs): 1230, Positive cache size: 1193, Positive conditional cache size: 16, Positive unconditional cache size: 1177, Negative cache size: 37, Negative conditional cache size: 17, Negative unconditional cache size: 20, Eliminated conditions: 11399, Maximal queried relation: 4, Independence queries for same thread: 169 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2181.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 1186.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 13.3ms SsaConstructionTime, 103.5ms SatisfiabilityAnalysisTime, 673.2ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 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 17:14:02,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-07 17:14:03,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...