/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 19:30:37,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 19:30:37,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 19:30:37,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 19:30:37,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 19:30:37,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 19:30:37,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 19:30:37,220 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 19:30:37,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 19:30:37,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 19:30:37,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 19:30:37,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 19:30:37,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 19:30:37,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 19:30:37,251 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 19:30:37,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 19:30:37,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 19:30:37,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 19:30:37,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 19:30:37,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 19:30:37,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:30:37,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 19:30:37,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 19:30:37,255 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 19:30:37,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 19:30:37,255 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 19:30:37,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 19:30:37,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 19:30:37,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 19:30:37,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 19:30:37,531 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 19:30:37,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2021-06-06 19:30:37,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b866cdf4/e1fdc933bf484a90b729c6b01969d8b4/FLAGe0102bd17 [2021-06-06 19:30:37,990 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 19:30:37,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2021-06-06 19:30:38,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b866cdf4/e1fdc933bf484a90b729c6b01969d8b4/FLAGe0102bd17 [2021-06-06 19:30:38,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b866cdf4/e1fdc933bf484a90b729c6b01969d8b4 [2021-06-06 19:30:38,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 19:30:38,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 19:30:38,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 19:30:38,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 19:30:38,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 19:30:38,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb2f488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38, skipping insertion in model container [2021-06-06 19:30:38,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 19:30:38,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 19:30:38,599 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/safe009_pso.oepc.i[950,963] [2021-06-06 19:30:38,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:30:38,759 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 19:30:38,768 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/safe009_pso.oepc.i[950,963] [2021-06-06 19:30:38,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:30:38,851 INFO L208 MainTranslator]: Completed translation [2021-06-06 19:30:38,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38 WrapperNode [2021-06-06 19:30:38,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 19:30:38,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 19:30:38,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 19:30:38,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 19:30:38,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 19:30:38,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 19:30:38,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 19:30:38,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 19:30:38,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... [2021-06-06 19:30:38,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 19:30:38,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 19:30:38,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 19:30:38,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 19:30:38,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:30:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 19:30:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 19:30:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 19:30:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 19:30:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 19:30:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 19:30:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 19:30:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 19:30:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 19:30:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 19:30:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 19:30:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 19:30:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 19:30:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 19:30:38,977 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 19:30:39,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 19:30:39,316 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 19:30:39,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:30:39 BoogieIcfgContainer [2021-06-06 19:30:39,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 19:30:39,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 19:30:39,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 19:30:39,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 19:30:39,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 07:30:38" (1/3) ... [2021-06-06 19:30:39,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@837e22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:30:39, skipping insertion in model container [2021-06-06 19:30:39,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:30:38" (2/3) ... [2021-06-06 19:30:39,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@837e22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:30:39, skipping insertion in model container [2021-06-06 19:30:39,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:30:39" (3/3) ... [2021-06-06 19:30:39,324 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc.i [2021-06-06 19:30:39,330 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 19:30:39,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 19:30:39,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 19:30:39,331 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 19:30:39,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,361 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,362 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,363 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,363 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,368 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,369 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,372 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,372 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,373 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,375 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,375 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:30:39,383 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 19:30:39,400 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 19:30:39,473 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:30:39,473 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:30:39,473 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:30:39,473 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:30:39,474 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:30:39,474 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:30:39,474 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:30:39,474 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 19:30:39,502 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:30:39,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:30:39,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1374258614, now seen corresponding path program 1 times [2021-06-06 19:30:39,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:30:39,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482318102] [2021-06-06 19:30:39,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:30:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:30:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:30:39,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:30:39,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482318102] [2021-06-06 19:30:39,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482318102] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:30:39,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:30:39,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:30:39,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834983871] [2021-06-06 19:30:39,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:30:39,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:30:39,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:30:39,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:30:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:39,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:30:39,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:30:39,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:40,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 19:30:40,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 19:30:40,529 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:30:40,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:30:40,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1807778734, now seen corresponding path program 2 times [2021-06-06 19:30:40,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:30:40,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977304471] [2021-06-06 19:30:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:30:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:30:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:30:40,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:30:40,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977304471] [2021-06-06 19:30:40,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977304471] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:30:40,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:30:40,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:30:40,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453739557] [2021-06-06 19:30:40,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:30:40,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:30:40,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:30:40,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:30:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:40,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:30:40,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:30:40,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 19:30:40,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:41,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 19:30:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:41,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 19:30:41,190 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:30:41,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:30:41,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1181728392, now seen corresponding path program 3 times [2021-06-06 19:30:41,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:30:41,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990275634] [2021-06-06 19:30:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:30:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:30:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:30:41,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:30:41,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990275634] [2021-06-06 19:30:41,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990275634] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:30:41,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:30:41,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:30:41,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952949131] [2021-06-06 19:30:41,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:30:41,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:30:41,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:30:41,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:30:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:41,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:30:41,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:30:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 19:30:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:41,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:42,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 19:30:42,281 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:30:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:30:42,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1248283762, now seen corresponding path program 1 times [2021-06-06 19:30:42,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:30:42,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391897221] [2021-06-06 19:30:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:30:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:30:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:30:42,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:30:42,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391897221] [2021-06-06 19:30:42,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391897221] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:30:42,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:30:42,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:30:42,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210770961] [2021-06-06 19:30:42,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:30:42,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:30:42,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:30:42,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:30:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:42,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:30:42,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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) [2021-06-06 19:30:42,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:42,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:42,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:42,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:30:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 19:30:43,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 19:30:43,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 19:30:43,081 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 19:30:43,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 07:30:43 BasicIcfg [2021-06-06 19:30:43,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 19:30:43,083 INFO L168 Benchmark]: Toolchain (without parser) took 4670.79 ms. Allocated memory was 362.8 MB in the beginning and 509.6 MB in the end (delta: 146.8 MB). Free memory was 325.9 MB in the beginning and 367.6 MB in the end (delta: -41.7 MB). Peak memory consumption was 327.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:30:43,083 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 362.8 MB. Free memory is still 343.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:30:43,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.18 ms. Allocated memory is still 362.8 MB. Free memory was 325.6 MB in the beginning and 325.5 MB in the end (delta: 88.3 kB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:30:43,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 362.8 MB. Free memory was 325.5 MB in the beginning and 323.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:30:43,090 INFO L168 Benchmark]: Boogie Preprocessor took 25.65 ms. Allocated memory is still 362.8 MB. Free memory was 323.4 MB in the beginning and 322.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:30:43,090 INFO L168 Benchmark]: RCFGBuilder took 392.39 ms. Allocated memory is still 362.8 MB. Free memory was 322.4 MB in the beginning and 298.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 19:30:43,090 INFO L168 Benchmark]: TraceAbstraction took 3762.33 ms. Allocated memory was 362.8 MB in the beginning and 509.6 MB in the end (delta: 146.8 MB). Free memory was 297.2 MB in the beginning and 367.6 MB in the end (delta: -70.4 MB). Peak memory consumption was 298.7 MB. Max. memory is 16.0 GB. [2021-06-06 19:30:43,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 362.8 MB. Free memory is still 343.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 417.18 ms. Allocated memory is still 362.8 MB. Free memory was 325.6 MB in the beginning and 325.5 MB in the end (delta: 88.3 kB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 362.8 MB. Free memory was 325.5 MB in the beginning and 323.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.65 ms. Allocated memory is still 362.8 MB. Free memory was 323.4 MB in the beginning and 322.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 392.39 ms. Allocated memory is still 362.8 MB. Free memory was 322.4 MB in the beginning and 298.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3762.33 ms. Allocated memory was 362.8 MB in the beginning and 509.6 MB in the end (delta: 146.8 MB). Free memory was 297.2 MB in the beginning and 367.6 MB in the end (delta: -70.4 MB). Peak memory consumption was 298.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 139622, positive: 133992, positive conditional: 133992, positive unconditional: 0, negative: 5630, negative conditional: 5630, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 135004, positive: 133992, positive conditional: 133992, positive unconditional: 0, negative: 1012, negative conditional: 1012, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 135004, positive: 133245, positive conditional: 0, positive unconditional: 133245, negative: 1759, negative conditional: 0, negative unconditional: 1759, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 763, positive: 749, positive conditional: 0, positive unconditional: 749, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 763, positive: 743, positive conditional: 0, positive unconditional: 743, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 88, negative conditional: 18, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 135004, positive: 132496, positive conditional: 0, positive unconditional: 132496, negative: 1745, negative conditional: 0, negative unconditional: 1745, unknown: 763, unknown conditional: 0, unknown unconditional: 763] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 771, Positive conditional cache size: 22, Positive unconditional cache size: 749, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 88, negative conditional: 18, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4559, positive: 725, positive conditional: 725, positive unconditional: 0, negative: 3801, negative conditional: 208, negative unconditional: 3593, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 771, Positive conditional cache size: 22, Positive unconditional cache size: 749, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 3593, SemanticConditionEliminator.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 88, negative conditional: 18, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4559, positive: 725, positive conditional: 725, positive unconditional: 0, negative: 3801, negative conditional: 208, negative unconditional: 3593, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 771, Positive conditional cache size: 22, Positive unconditional cache size: 749, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 3593, SemanticConditionEliminator.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 88, negative conditional: 18, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4559, positive: 725, positive conditional: 725, positive unconditional: 0, negative: 3801, negative conditional: 208, negative unconditional: 3593, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 771, Positive conditional cache size: 22, Positive unconditional cache size: 749, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 3593, SemanticConditionEliminator.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4559, positive: 747, positive conditional: 747, positive unconditional: 0, negative: 3812, negative conditional: 219, negative unconditional: 3593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 25, negative conditional: 11, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 88, negative conditional: 18, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4559, positive: 725, positive conditional: 725, positive unconditional: 0, negative: 3801, negative conditional: 208, negative unconditional: 3593, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 796, Positive cache size: 771, Positive conditional cache size: 22, Positive unconditional cache size: 749, Negative cache size: 25, Negative conditional cache size: 11, Negative unconditional cache size: 14, Eliminated conditions: 3593 ], Maximal queried relation: 4, Independence queries for same thread: 4618 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3657.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 2799.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, 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: 17.2ms SsaConstructionTime, 88.7ms SatisfiabilityAnalysisTime, 551.5ms InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 947 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! Received shutdown request...