/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 13:27:47,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 13:27:47,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 13:27:47,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 13:27:48,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 13:27:48,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 13:27:48,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 13:27:48,041 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-Lockstep.epf [2021-06-07 13:27:48,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 13:27:48,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 13:27:48,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 13:27:48,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 13:27:48,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 13:27:48,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 13:27:48,071 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 13:27:48,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 13:27:48,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 13:27:48,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 13:27:48,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 13:27:48,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:27:48,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 13:27:48,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 13:27:48,074 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 13:27:48,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 13:27:48,074 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 13:27:48,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 13:27:48,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 13:27:48,074 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 13:27:48,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 13:27:48,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 13:27:48,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 13:27:48,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 13:27:48,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 13:27:48,306 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 13:27:48,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2021-06-07 13:27:48,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e7df653/6470851e6bf44268848cfb74ecf4306a/FLAG3827ff268 [2021-06-07 13:27:48,792 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 13:27:48,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i [2021-06-07 13:27:48,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e7df653/6470851e6bf44268848cfb74ecf4306a/FLAG3827ff268 [2021-06-07 13:27:49,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e7df653/6470851e6bf44268848cfb74ecf4306a [2021-06-07 13:27:49,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 13:27:49,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 13:27:49,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 13:27:49,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 13:27:49,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 13:27:49,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291054ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49, skipping insertion in model container [2021-06-07 13:27:49,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 13:27:49,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 13:27:49,294 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/safe016_tso.opt.i[949,962] [2021-06-07 13:27:49,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:27:49,443 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 13:27:49,451 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/safe016_tso.opt.i[949,962] [2021-06-07 13:27:49,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:27:49,533 INFO L208 MainTranslator]: Completed translation [2021-06-07 13:27:49,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49 WrapperNode [2021-06-07 13:27:49,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 13:27:49,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 13:27:49,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 13:27:49,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 13:27:49,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 13:27:49,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 13:27:49,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 13:27:49,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 13:27:49,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (1/1) ... [2021-06-07 13:27:49,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 13:27:49,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 13:27:49,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 13:27:49,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 13:27:49,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (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 [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 13:27:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 13:27:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 13:27:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 13:27:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 13:27:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-07 13:27:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-07 13:27:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 13:27:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 13:27:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 13:27:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 13:27:49,635 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 13:27:49,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 13:27:49,935 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 13:27:49,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:27:49 BoogieIcfgContainer [2021-06-07 13:27:49,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 13:27:49,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 13:27:49,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 13:27:49,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 13:27:49,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:27:49" (1/3) ... [2021-06-07 13:27:49,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0cb234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:27:49, skipping insertion in model container [2021-06-07 13:27:49,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:27:49" (2/3) ... [2021-06-07 13:27:49,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0cb234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:27:49, skipping insertion in model container [2021-06-07 13:27:49,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:27:49" (3/3) ... [2021-06-07 13:27:49,941 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_tso.opt.i [2021-06-07 13:27:49,945 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 13:27:49,945 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 13:27:49,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 13:27:49,946 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,969 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,970 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,972 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,973 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,976 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,976 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,980 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,981 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,981 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,981 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,981 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:27:49,984 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 13:27:49,999 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-06-07 13:27:50,041 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 13:27:50,042 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 13:27:50,042 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 13:27:50,042 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 13:27:50,042 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 13:27:50,042 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 13:27:50,042 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 13:27:50,042 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 13:27:50,095 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:27:50,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:27:50,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1107896207, now seen corresponding path program 1 times [2021-06-07 13:27:50,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:27:50,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047244094] [2021-06-07 13:27:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:27:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:27:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:27:50,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:27:50,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047244094] [2021-06-07 13:27:50,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047244094] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:27:50,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:27:50,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:27:50,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938107383] [2021-06-07 13:27:50,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:27:50,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:27:50,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:27:50,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:27:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:27:50,533 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:27:50,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2021-06-07 13:27:50,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:27:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:27:54,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 13:27:54,853 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:27:54,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:27:54,853 INFO L82 PathProgramCache]: Analyzing trace with hash 677095185, now seen corresponding path program 2 times [2021-06-07 13:27:54,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:27:54,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110916260] [2021-06-07 13:27:54,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:27:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:27:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:27:54,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:27:54,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110916260] [2021-06-07 13:27:54,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110916260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:27:54,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:27:54,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:27:54,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075695634] [2021-06-07 13:27:54,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:27:54,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:27:54,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:27:54,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:27:54,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:27:54,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:27:54,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2021-06-07 13:27:54,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:27:54,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:27:57,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:27:57,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:27:57,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 13:27:57,962 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:27:57,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:27:57,968 INFO L82 PathProgramCache]: Analyzing trace with hash 493243308, now seen corresponding path program 1 times [2021-06-07 13:27:57,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:27:57,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014253960] [2021-06-07 13:27:57,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:27:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:27:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:27:58,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:27:58,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014253960] [2021-06-07 13:27:58,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014253960] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:27:58,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:27:58,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:27:58,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227078853] [2021-06-07 13:27:58,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:27:58,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:27:58,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:27:58,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:27:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:27:58,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:27:58,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2021-06-07 13:27:58,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:27:58,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:27:58,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:28:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:28:02,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:28:02,542 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 13:28:02,542 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:28:02,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:28:02,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1859921742, now seen corresponding path program 2 times [2021-06-07 13:28:02,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:28:02,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423840825] [2021-06-07 13:28:02,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:28:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:28:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:28:02,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:28:02,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423840825] [2021-06-07 13:28:02,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423840825] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:28:02,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:28:02,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-07 13:28:02,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849606640] [2021-06-07 13:28:02,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 13:28:02,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:28:02,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 13:28:02,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-07 13:28:02,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:02,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:28:02,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 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) [2021-06-07 13:28:02,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:28:02,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:28:02,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:28:02,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:05,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:28:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:28:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:28:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:28:05,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 13:28:05,575 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:28:05,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:28:05,575 INFO L82 PathProgramCache]: Analyzing trace with hash 706508055, now seen corresponding path program 3 times [2021-06-07 13:28:05,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:28:05,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800241324] [2021-06-07 13:28:05,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:28:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:28:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:28:05,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:28:05,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800241324] [2021-06-07 13:28:05,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800241324] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:28:05,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:28:05,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:28:05,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480614057] [2021-06-07 13:28:05,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:28:05,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:28:05,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:28:05,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:28:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:05,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:28:05,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2021-06-07 13:28:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:28:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:28:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:28:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:28:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 13:28:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:28:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:28:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:28:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:28:11,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 13:28:11,246 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 13:28:11,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:28:11 BasicIcfg [2021-06-07 13:28:11,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 13:28:11,248 INFO L168 Benchmark]: Toolchain (without parser) took 22097.36 ms. Allocated memory was 325.1 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 287.4 MB in the beginning and 6.4 GB in the end (delta: -6.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-07 13:28:11,248 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 325.1 MB. Free memory was 305.5 MB in the beginning and 305.4 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:28:11,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.46 ms. Allocated memory is still 325.1 MB. Free memory was 287.2 MB in the beginning and 285.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:11,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.82 ms. Allocated memory is still 325.1 MB. Free memory was 285.8 MB in the beginning and 283.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:11,249 INFO L168 Benchmark]: Boogie Preprocessor took 16.24 ms. Allocated memory is still 325.1 MB. Free memory was 283.7 MB in the beginning and 282.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:28:11,249 INFO L168 Benchmark]: RCFGBuilder took 357.37 ms. Allocated memory is still 325.1 MB. Free memory was 282.7 MB in the beginning and 256.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:11,250 INFO L168 Benchmark]: TraceAbstraction took 21310.29 ms. Allocated memory was 325.1 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 255.4 MB in the beginning and 6.4 GB in the end (delta: -6.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-07 13:28:11,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 325.1 MB. Free memory was 305.5 MB in the beginning and 305.4 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 382.46 ms. Allocated memory is still 325.1 MB. Free memory was 287.2 MB in the beginning and 285.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.82 ms. Allocated memory is still 325.1 MB. Free memory was 285.8 MB in the beginning and 283.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.24 ms. Allocated memory is still 325.1 MB. Free memory was 283.7 MB in the beginning and 282.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 357.37 ms. Allocated memory is still 325.1 MB. Free memory was 282.7 MB in the beginning and 256.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 21310.29 ms. Allocated memory was 325.1 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 255.4 MB in the beginning and 6.4 GB in the end (delta: -6.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1829425, positive: 1794494, positive conditional: 1794494, positive unconditional: 0, negative: 34931, negative conditional: 34931, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1807116, positive: 1794494, positive conditional: 1794494, positive unconditional: 0, negative: 12622, negative conditional: 12622, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1807116, positive: 1785083, positive conditional: 0, positive unconditional: 1785083, negative: 22033, negative conditional: 0, negative unconditional: 22033, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1699, positive: 1670, positive conditional: 0, positive unconditional: 1670, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1699, positive: 1658, positive conditional: 0, positive unconditional: 1658, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 59, positive conditional: 47, positive unconditional: 12, negative: 53, negative conditional: 24, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 136, positive conditional: 109, positive unconditional: 27, negative: 101, negative conditional: 42, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1807116, positive: 1783413, positive conditional: 0, positive unconditional: 1783413, negative: 22004, negative conditional: 0, negative unconditional: 22004, unknown: 1699, unknown conditional: 0, unknown unconditional: 1699] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1717, Positive conditional cache size: 47, Positive unconditional cache size: 1670, Negative cache size: 53, Negative conditional cache size: 24, Negative unconditional cache size: 29, SemanticConditionEliminator.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 59, positive conditional: 47, positive unconditional: 12, negative: 53, negative conditional: 24, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 136, positive conditional: 109, positive unconditional: 27, negative: 101, negative conditional: 42, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63370, positive: 9364, positive conditional: 9364, positive unconditional: 0, negative: 53935, negative conditional: 2132, negative unconditional: 51803, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1717, Positive conditional cache size: 47, Positive unconditional cache size: 1670, Negative cache size: 53, Negative conditional cache size: 24, Negative unconditional cache size: 29, Eliminated conditions: 51803, SemanticConditionEliminator.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 59, positive conditional: 47, positive unconditional: 12, negative: 53, negative conditional: 24, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 136, positive conditional: 109, positive unconditional: 27, negative: 101, negative conditional: 42, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63370, positive: 9364, positive conditional: 9364, positive unconditional: 0, negative: 53935, negative conditional: 2132, negative unconditional: 51803, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1717, Positive conditional cache size: 47, Positive unconditional cache size: 1670, Negative cache size: 53, Negative conditional cache size: 24, Negative unconditional cache size: 29, Eliminated conditions: 51803, SemanticConditionEliminator.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 59, positive conditional: 47, positive unconditional: 12, negative: 53, negative conditional: 24, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 136, positive conditional: 109, positive unconditional: 27, negative: 101, negative conditional: 42, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63370, positive: 9364, positive conditional: 9364, positive unconditional: 0, negative: 53935, negative conditional: 2132, negative unconditional: 51803, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1717, Positive conditional cache size: 47, Positive unconditional cache size: 1670, Negative cache size: 53, Negative conditional cache size: 24, Negative unconditional cache size: 29, Eliminated conditions: 51803, SemanticConditionEliminator.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 59, positive conditional: 47, positive unconditional: 12, negative: 53, negative conditional: 24, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 136, positive conditional: 109, positive unconditional: 27, negative: 101, negative conditional: 42, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63370, positive: 9364, positive conditional: 9364, positive unconditional: 0, negative: 53935, negative conditional: 2132, negative unconditional: 51803, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1717, Positive conditional cache size: 47, Positive unconditional cache size: 1670, Negative cache size: 53, Negative conditional cache size: 24, Negative unconditional cache size: 29, Eliminated conditions: 51803, SemanticConditionEliminator.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63370, positive: 9411, positive conditional: 9411, positive unconditional: 0, negative: 53959, negative conditional: 2156, negative unconditional: 51803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, positive: 59, positive conditional: 47, positive unconditional: 12, negative: 53, negative conditional: 24, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 136, positive conditional: 109, positive unconditional: 27, negative: 101, negative conditional: 42, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63370, positive: 9364, positive conditional: 9364, positive unconditional: 0, negative: 53935, negative conditional: 2132, negative unconditional: 51803, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1770, Positive cache size: 1717, Positive conditional cache size: 47, Positive unconditional cache size: 1670, Negative cache size: 53, Negative conditional cache size: 24, Negative unconditional cache size: 29, Eliminated conditions: 51803 ], Maximal queried relation: 5, Independence queries for same thread: 22309 - 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 9 procedures, 126 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21234.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.6ms, PartialOrderReductionTime: 20305.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, 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: 25.0ms SsaConstructionTime, 154.9ms SatisfiabilityAnalysisTime, 564.1ms InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 1635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...