/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 22:59:22,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 22:59:22,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 22:59:22,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 22:59:22,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 22:59:22,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 22:59:22,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 22:59:22,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-16 22:59:22,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 22:59:22,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 22:59:22,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 22:59:22,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 22:59:22,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 22:59:22,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 22:59:22,352 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 22:59:22,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 22:59:22,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 22:59:22,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 22:59:22,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 22:59:22,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 22:59:22,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 22:59:22,354 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 22:59:22,355 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 22:59:22,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 22:59:22,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 22:59:22,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 22:59:22,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 22:59:22,653 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 22:59:22,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2021-06-16 22:59:22,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5786cdf6/d8bfe1f316404a6d9ee13fdd5791d5a5/FLAGc9a6dcf71 [2021-06-16 22:59:23,064 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 22:59:23,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2021-06-16 22:59:23,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5786cdf6/d8bfe1f316404a6d9ee13fdd5791d5a5/FLAGc9a6dcf71 [2021-06-16 22:59:23,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5786cdf6/d8bfe1f316404a6d9ee13fdd5791d5a5 [2021-06-16 22:59:23,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 22:59:23,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 22:59:23,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 22:59:23,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 22:59:23,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 22:59:23,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3189065f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23, skipping insertion in model container [2021-06-16 22:59:23,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 22:59:23,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 22:59:23,273 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/safe020_tso.oepc.i[950,963] [2021-06-16 22:59:23,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:59:23,438 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 22:59:23,444 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/safe020_tso.oepc.i[950,963] [2021-06-16 22:59:23,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:59:23,569 INFO L208 MainTranslator]: Completed translation [2021-06-16 22:59:23,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23 WrapperNode [2021-06-16 22:59:23,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 22:59:23,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 22:59:23,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 22:59:23,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 22:59:23,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 22:59:23,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 22:59:23,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 22:59:23,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 22:59:23,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (1/1) ... [2021-06-16 22:59:23,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 22:59:23,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 22:59:23,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 22:59:23,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 22:59:23,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (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 [2021-06-16 22:59:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 22:59:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 22:59:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 22:59:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 22:59:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 22:59:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 22:59:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 22:59:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 22:59:23,796 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 22:59:24,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 22:59:24,196 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 22:59:24,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:59:24 BoogieIcfgContainer [2021-06-16 22:59:24,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 22:59:24,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 22:59:24,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 22:59:24,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 22:59:24,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 10:59:23" (1/3) ... [2021-06-16 22:59:24,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e18f00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:59:24, skipping insertion in model container [2021-06-16 22:59:24,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:59:23" (2/3) ... [2021-06-16 22:59:24,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e18f00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:59:24, skipping insertion in model container [2021-06-16 22:59:24,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:59:24" (3/3) ... [2021-06-16 22:59:24,204 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.oepc.i [2021-06-16 22:59:24,209 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 22:59:24,209 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 22:59:24,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 22:59:24,210 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 22:59:24,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,253 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,255 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,256 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,269 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,270 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,273 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,273 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,274 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,274 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:59:24,276 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 22:59:24,305 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 22:59:24,406 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 22:59:24,406 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 22:59:24,406 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 22:59:24,406 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 22:59:24,406 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 22:59:24,406 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 22:59:24,407 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 22:59:24,407 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 22:59:24,462 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:24,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:24,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1494233441, now seen corresponding path program 1 times [2021-06-16 22:59:24,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:24,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393287042] [2021-06-16 22:59:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:59:24,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:24,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393287042] [2021-06-16 22:59:24,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393287042] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:24,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:24,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 22:59:24,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3376365] [2021-06-16 22:59:24,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 22:59:24,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:24,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 22:59:24,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 22:59:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:24,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:24,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-06-16 22:59:24,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:24,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 22:59:24,750 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:24,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:24,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1134166717, now seen corresponding path program 1 times [2021-06-16 22:59:24,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:24,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023653147] [2021-06-16 22:59:24,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:59:24,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:24,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023653147] [2021-06-16 22:59:24,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023653147] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:24,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:24,943 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 22:59:24,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614078232] [2021-06-16 22:59:24,944 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 22:59:24,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:24,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 22:59:24,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 22:59:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:24,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:24,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:59:24,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:24,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:25,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 22:59:25,138 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:25,138 INFO L82 PathProgramCache]: Analyzing trace with hash -475371077, now seen corresponding path program 2 times [2021-06-16 22:59:25,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:25,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181951444] [2021-06-16 22:59:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:59:25,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:25,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181951444] [2021-06-16 22:59:25,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181951444] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:25,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:25,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 22:59:25,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665045332] [2021-06-16 22:59:25,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 22:59:25,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:25,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 22:59:25,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 22:59:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:25,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:59:25,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:25,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:25,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 22:59:25,875 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:25,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:25,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1484512075, now seen corresponding path program 3 times [2021-06-16 22:59:25,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:25,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081499456] [2021-06-16 22:59:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:59:25,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:25,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081499456] [2021-06-16 22:59:25,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081499456] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:25,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:25,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:59:25,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710482361] [2021-06-16 22:59:25,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:59:25,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:25,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:59:25,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:59:25,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:25,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:59:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:25,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:26,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 22:59:26,517 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:59:26,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:59:26,517 INFO L82 PathProgramCache]: Analyzing trace with hash -260800367, now seen corresponding path program 4 times [2021-06-16 22:59:26,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:59:26,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033349956] [2021-06-16 22:59:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:59:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:59:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:59:26,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:59:26,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033349956] [2021-06-16 22:59:26,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033349956] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:59:26,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:59:26,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:59:26,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041041236] [2021-06-16 22:59:26,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:59:26,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:59:26,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:59:26,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:59:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:26,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:59:26,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 22:59:26,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:26,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:26,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:26,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:26,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:27,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:59:27,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 22:59:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:59:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:59:27,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 22:59:27,233 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 22:59:27,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 10:59:27 BasicIcfg [2021-06-16 22:59:27,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 22:59:27,237 INFO L168 Benchmark]: Toolchain (without parser) took 4145.86 ms. Allocated memory was 175.1 MB in the beginning and 357.6 MB in the end (delta: 182.5 MB). Free memory was 137.9 MB in the beginning and 214.2 MB in the end (delta: -76.3 MB). Peak memory consumption was 141.0 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:27,239 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 175.1 MB. Free memory is still 156.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 22:59:27,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.84 ms. Allocated memory is still 175.1 MB. Free memory was 137.7 MB in the beginning and 137.1 MB in the end (delta: 614.3 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:27,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.21 ms. Allocated memory is still 175.1 MB. Free memory was 137.1 MB in the beginning and 135.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:27,240 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 175.1 MB. Free memory was 135.0 MB in the beginning and 133.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:27,240 INFO L168 Benchmark]: RCFGBuilder took 545.09 ms. Allocated memory is still 175.1 MB. Free memory was 133.4 MB in the beginning and 110.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:27,240 INFO L168 Benchmark]: TraceAbstraction took 3034.81 ms. Allocated memory was 175.1 MB in the beginning and 357.6 MB in the end (delta: 182.5 MB). Free memory was 109.8 MB in the beginning and 214.2 MB in the end (delta: -104.4 MB). Peak memory consumption was 113.2 MB. Max. memory is 8.0 GB. [2021-06-16 22:59:27,242 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 175.1 MB. Free memory is still 156.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 476.84 ms. Allocated memory is still 175.1 MB. Free memory was 137.7 MB in the beginning and 137.1 MB in the end (delta: 614.3 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.21 ms. Allocated memory is still 175.1 MB. Free memory was 137.1 MB in the beginning and 135.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 175.1 MB. Free memory was 135.0 MB in the beginning and 133.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 545.09 ms. Allocated memory is still 175.1 MB. Free memory was 133.4 MB in the beginning and 110.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3034.81 ms. Allocated memory was 175.1 MB in the beginning and 357.6 MB in the end (delta: 182.5 MB). Free memory was 109.8 MB in the beginning and 214.2 MB in the end (delta: -104.4 MB). Peak memory consumption was 113.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58878, positive: 56446, positive conditional: 56446, positive unconditional: 0, negative: 2432, negative conditional: 2432, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 56739, positive: 56446, positive conditional: 56446, positive unconditional: 0, negative: 293, negative conditional: 293, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 56739, positive: 55830, positive conditional: 0, positive unconditional: 55830, negative: 909, negative conditional: 0, negative unconditional: 909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 581, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 581, positive: 567, positive conditional: 0, positive unconditional: 567, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 30, positive conditional: 14, positive unconditional: 16, negative: 100, negative conditional: 9, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56739, positive: 55258, positive conditional: 0, positive unconditional: 55258, negative: 900, negative conditional: 0, negative unconditional: 900, unknown: 581, unknown conditional: 0, unknown unconditional: 581] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 580, Positive conditional cache size: 8, Positive unconditional cache size: 572, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 30, positive conditional: 14, positive unconditional: 16, negative: 100, negative conditional: 9, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3120, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 2498, negative conditional: 239, negative unconditional: 2259, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 580, Positive conditional cache size: 8, Positive unconditional cache size: 572, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Eliminated conditions: 2259, SemanticConditionEliminator.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 30, positive conditional: 14, positive unconditional: 16, negative: 100, negative conditional: 9, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3120, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 2498, negative conditional: 239, negative unconditional: 2259, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 580, Positive conditional cache size: 8, Positive unconditional cache size: 572, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Eliminated conditions: 2259, SemanticConditionEliminator.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 30, positive conditional: 14, positive unconditional: 16, negative: 100, negative conditional: 9, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3120, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 2498, negative conditional: 239, negative unconditional: 2259, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 580, Positive conditional cache size: 8, Positive unconditional cache size: 572, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Eliminated conditions: 2259, SemanticConditionEliminator.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 30, positive conditional: 14, positive unconditional: 16, negative: 100, negative conditional: 9, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3120, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 2498, negative conditional: 239, negative unconditional: 2259, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 580, Positive conditional cache size: 8, Positive unconditional cache size: 572, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Eliminated conditions: 2259, SemanticConditionEliminator.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3120, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 2504, negative conditional: 245, negative unconditional: 2259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 13, positive conditional: 8, positive unconditional: 5, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 30, positive conditional: 14, positive unconditional: 16, negative: 100, negative conditional: 9, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3120, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 2498, negative conditional: 239, negative unconditional: 2259, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 580, Positive conditional cache size: 8, Positive unconditional cache size: 572, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Eliminated conditions: 2259 ], Maximal queried relation: 5, Independence queries for same thread: 2139 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2906.1ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.1ms, PartialOrderReductionTime: 1911.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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: 21.8ms SsaConstructionTime, 175.3ms SatisfiabilityAnalysisTime, 531.9ms InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 700 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...