/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/safe027_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 13:32:18,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 13:32:18,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 13:32:18,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 13:32:18,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 13:32:18,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 13:32:18,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 13:32:18,517 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 13:32:18,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 13:32:18,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 13:32:18,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 13:32:18,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 13:32:18,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 13:32:18,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 13:32:18,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 13:32:18,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:32:18,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 13:32:18,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 13:32:18,534 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 13:32:18,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 13:32:18,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 13:32:18,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 13:32:18,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 13:32:18,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 13:32:18,795 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 13:32:18,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2021-06-07 13:32:18,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0092f3a02/a49e0dbfb5c04a0c8605cfb3304f3296/FLAGaa2072dd4 [2021-06-07 13:32:19,242 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 13:32:19,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2021-06-07 13:32:19,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0092f3a02/a49e0dbfb5c04a0c8605cfb3304f3296/FLAGaa2072dd4 [2021-06-07 13:32:19,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0092f3a02/a49e0dbfb5c04a0c8605cfb3304f3296 [2021-06-07 13:32:19,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 13:32:19,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 13:32:19,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 13:32:19,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 13:32:19,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 13:32:19,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3b8a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19, skipping insertion in model container [2021-06-07 13:32:19,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 13:32:19,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 13:32:19,720 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/safe027_pso.oepc.i[950,963] [2021-06-07 13:32:19,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:32:19,838 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 13:32:19,851 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/safe027_pso.oepc.i[950,963] [2021-06-07 13:32:19,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:32:19,914 INFO L208 MainTranslator]: Completed translation [2021-06-07 13:32:19,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19 WrapperNode [2021-06-07 13:32:19,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 13:32:19,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 13:32:19,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 13:32:19,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 13:32:19,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 13:32:19,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 13:32:19,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 13:32:19,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 13:32:19,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (1/1) ... [2021-06-07 13:32:19,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 13:32:19,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 13:32:19,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 13:32:19,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 13:32:19,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (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 13:32:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 13:32:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 13:32:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 13:32:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 13:32:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 13:32:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 13:32:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 13:32:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 13:32:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 13:32:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 13:32:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-07 13:32:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-07 13:32:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 13:32:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 13:32:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 13:32:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 13:32:20,049 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 13:32:20,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 13:32:20,338 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 13:32:20,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:32:20 BoogieIcfgContainer [2021-06-07 13:32:20,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 13:32:20,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 13:32:20,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 13:32:20,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 13:32:20,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:32:19" (1/3) ... [2021-06-07 13:32:20,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45241000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:32:20, skipping insertion in model container [2021-06-07 13:32:20,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:32:19" (2/3) ... [2021-06-07 13:32:20,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45241000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:32:20, skipping insertion in model container [2021-06-07 13:32:20,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:32:20" (3/3) ... [2021-06-07 13:32:20,347 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc.i [2021-06-07 13:32:20,352 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 13:32:20,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 13:32:20,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 13:32:20,353 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 13:32:20,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,386 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,386 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,386 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,390 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,394 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,394 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,399 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,399 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,402 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,403 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,405 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,405 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,406 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,407 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:32:20,408 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 13:32:20,424 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 13:32:20,472 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 13:32:20,472 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 13:32:20,472 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 13:32:20,472 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 13:32:20,472 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 13:32:20,472 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 13:32:20,473 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 13:32:20,473 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 13:32:20,528 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:32:20,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:32:20,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2042238591, now seen corresponding path program 1 times [2021-06-07 13:32:20,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:32:20,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683990993] [2021-06-07 13:32:20,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:32:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:32:20,879 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 13:32:20,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:32:20,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683990993] [2021-06-07 13:32:20,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683990993] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:32:20,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:32:20,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:32:20,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042332838] [2021-06-07 13:32:20,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:32:20,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:32:20,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:32:20,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:32:20,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:20,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:32:20,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 13:32:20,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:24,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 13:32:24,555 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:32:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:32:24,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1218421725, now seen corresponding path program 2 times [2021-06-07 13:32:24,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:32:24,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364876228] [2021-06-07 13:32:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:32:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:32:24,657 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 13:32:24,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:32:24,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364876228] [2021-06-07 13:32:24,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364876228] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:32:24,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:32:24,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:32:24,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462329037] [2021-06-07 13:32:24,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:32:24,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:32:24,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:32:24,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:32:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:24,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:32:24,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 13:32:24,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:24,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:26,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 13:32:26,782 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:32:26,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:32:26,787 INFO L82 PathProgramCache]: Analyzing trace with hash -218848638, now seen corresponding path program 1 times [2021-06-07 13:32:26,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:32:26,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594833733] [2021-06-07 13:32:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:32:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:32:26,888 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 13:32:26,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:32:26,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594833733] [2021-06-07 13:32:26,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594833733] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:32:26,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:32:26,888 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-07 13:32:26,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829859370] [2021-06-07 13:32:26,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 13:32:26,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:32:26,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 13:32:26,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-07 13:32:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:26,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:32:26,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 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 13:32:26,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:26,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:26,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:32:28,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 13:32:28,264 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:32:28,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:32:28,265 INFO L82 PathProgramCache]: Analyzing trace with hash -763963287, now seen corresponding path program 3 times [2021-06-07 13:32:28,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:32:28,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856920954] [2021-06-07 13:32:28,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:32:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:32:28,343 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 13:32:28,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:32:28,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856920954] [2021-06-07 13:32:28,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856920954] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:32:28,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:32:28,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:32:28,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422253000] [2021-06-07 13:32:28,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:32:28,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:32:28,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:32:28,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:32:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:28,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:32:28,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 13:32:28,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:28,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:28,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:32:28,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:30,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:30,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:32:30,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 13:32:30,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 13:32:30,080 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:32:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:32:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash -2089238739, now seen corresponding path program 4 times [2021-06-07 13:32:30,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:32:30,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649307937] [2021-06-07 13:32:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:32:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:32:30,395 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 13:32:30,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:32:30,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649307937] [2021-06-07 13:32:30,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649307937] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:32:30,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:32:30,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:32:30,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363615140] [2021-06-07 13:32:30,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:32:30,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:32:30,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:32:30,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:32:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:30,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:32:30,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 13:32:30,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:30,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:30,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:32:30,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 13:32:30,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:32:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:32:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 13:32:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 13:32:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 13:32:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 13:32:33,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 13:32:33,162 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 13:32:33,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:32:33 BasicIcfg [2021-06-07 13:32:33,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 13:32:33,164 INFO L168 Benchmark]: Toolchain (without parser) took 13575.82 ms. Allocated memory was 423.6 MB in the beginning and 6.9 GB in the end (delta: 6.5 GB). Free memory was 387.5 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-07 13:32:33,164 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 423.6 MB. Free memory was 405.1 MB in the beginning and 405.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:32:33,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.27 ms. Allocated memory is still 423.6 MB. Free memory was 387.2 MB in the beginning and 385.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:32:33,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.35 ms. Allocated memory is still 423.6 MB. Free memory was 385.0 MB in the beginning and 382.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:32:33,165 INFO L168 Benchmark]: Boogie Preprocessor took 13.42 ms. Allocated memory is still 423.6 MB. Free memory was 382.9 MB in the beginning and 381.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:32:33,166 INFO L168 Benchmark]: RCFGBuilder took 386.68 ms. Allocated memory is still 423.6 MB. Free memory was 381.9 MB in the beginning and 354.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 13:32:33,166 INFO L168 Benchmark]: TraceAbstraction took 12820.83 ms. Allocated memory was 423.6 MB in the beginning and 6.9 GB in the end (delta: 6.5 GB). Free memory was 353.6 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-06-07 13:32:33,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 423.6 MB. Free memory was 405.1 MB in the beginning and 405.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 325.27 ms. Allocated memory is still 423.6 MB. Free memory was 387.2 MB in the beginning and 385.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.35 ms. Allocated memory is still 423.6 MB. Free memory was 385.0 MB in the beginning and 382.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.42 ms. Allocated memory is still 423.6 MB. Free memory was 382.9 MB in the beginning and 381.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 386.68 ms. Allocated memory is still 423.6 MB. Free memory was 381.9 MB in the beginning and 354.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12820.83 ms. Allocated memory was 423.6 MB in the beginning and 6.9 GB in the end (delta: 6.5 GB). Free memory was 353.6 MB in the beginning and 6.0 GB in the end (delta: -5.7 GB). Peak memory consumption was 1.1 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: 936301, positive: 917521, positive conditional: 917521, positive unconditional: 0, negative: 18780, negative conditional: 18780, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 921258, positive: 917521, positive conditional: 917521, positive unconditional: 0, negative: 3737, negative conditional: 3737, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 921258, positive: 910765, positive conditional: 0, positive unconditional: 910765, negative: 10493, negative conditional: 0, negative unconditional: 10493, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1536, positive: 1518, positive conditional: 0, positive unconditional: 1518, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1536, positive: 1506, positive conditional: 0, positive unconditional: 1506, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 79, positive conditional: 61, positive unconditional: 18, negative: 94, negative conditional: 35, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 921258, positive: 909247, positive conditional: 0, positive unconditional: 909247, negative: 10475, negative conditional: 0, negative unconditional: 10475, unknown: 1536, unknown conditional: 0, unknown unconditional: 1536] , Statistics on independence cache: Total cache size (in pairs): 1580, Positive cache size: 1548, Positive conditional cache size: 30, Positive unconditional cache size: 1518, Negative cache size: 32, Negative conditional cache size: 14, Negative unconditional cache size: 18, SemanticConditionEliminator.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 79, positive conditional: 61, positive unconditional: 18, negative: 94, negative conditional: 35, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28471, positive: 6726, positive conditional: 6726, positive unconditional: 0, negative: 21701, negative conditional: 1803, negative unconditional: 19898, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1580, Positive cache size: 1548, Positive conditional cache size: 30, Positive unconditional cache size: 1518, Negative cache size: 32, Negative conditional cache size: 14, Negative unconditional cache size: 18, Eliminated conditions: 19898, SemanticConditionEliminator.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 79, positive conditional: 61, positive unconditional: 18, negative: 94, negative conditional: 35, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28471, positive: 6726, positive conditional: 6726, positive unconditional: 0, negative: 21701, negative conditional: 1803, negative unconditional: 19898, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1580, Positive cache size: 1548, Positive conditional cache size: 30, Positive unconditional cache size: 1518, Negative cache size: 32, Negative conditional cache size: 14, Negative unconditional cache size: 18, Eliminated conditions: 19898, SemanticConditionEliminator.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 79, positive conditional: 61, positive unconditional: 18, negative: 94, negative conditional: 35, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28471, positive: 6726, positive conditional: 6726, positive unconditional: 0, negative: 21701, negative conditional: 1803, negative unconditional: 19898, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1580, Positive cache size: 1548, Positive conditional cache size: 30, Positive unconditional cache size: 1518, Negative cache size: 32, Negative conditional cache size: 14, Negative unconditional cache size: 18, Eliminated conditions: 19898, SemanticConditionEliminator.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 79, positive conditional: 61, positive unconditional: 18, negative: 94, negative conditional: 35, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28471, positive: 6726, positive conditional: 6726, positive unconditional: 0, negative: 21701, negative conditional: 1803, negative unconditional: 19898, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1580, Positive cache size: 1548, Positive conditional cache size: 30, Positive unconditional cache size: 1518, Negative cache size: 32, Negative conditional cache size: 14, Negative unconditional cache size: 18, Eliminated conditions: 19898, SemanticConditionEliminator.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28471, positive: 6756, positive conditional: 6756, positive unconditional: 0, negative: 21715, negative conditional: 1817, negative unconditional: 19898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 32, negative conditional: 14, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 174, positive: 79, positive conditional: 61, positive unconditional: 18, negative: 94, negative conditional: 35, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28471, positive: 6726, positive conditional: 6726, positive unconditional: 0, negative: 21701, negative conditional: 1803, negative unconditional: 19898, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1580, Positive cache size: 1548, Positive conditional cache size: 30, Positive unconditional cache size: 1518, Negative cache size: 32, Negative conditional cache size: 14, Negative unconditional cache size: 18, Eliminated conditions: 19898 ], Maximal queried relation: 5, Independence queries for same thread: 15043 - 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, 128 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12718.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.1ms, PartialOrderReductionTime: 11682.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 54, 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: 19.1ms SsaConstructionTime, 182.2ms SatisfiabilityAnalysisTime, 657.6ms InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 1401 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...