/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 00:02:15,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 00:02:15,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 00:02:15,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 00:02:15,439 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-Symm.epf [2021-08-07 00:02:15,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 00:02:15,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 00:02:15,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 00:02:15,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 00:02:15,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 00:02:15,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 00:02:15,474 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 00:02:15,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 00:02:15,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 00:02:15,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 00:02:15,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 00:02:15,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 00:02:15,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 00:02:15,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 00:02:15,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 00:02:15,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 00:02:15,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:02:15,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 00:02:15,477 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 00:02:15,478 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-08-07 00:02:15,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 00:02:15,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 00:02:15,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 00:02:15,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 00:02:15,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 00:02:15,729 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 00:02:15,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-08-07 00:02:15,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c8cccb9/2594424f989b47a7b49387213560adca/FLAG29a176a14 [2021-08-07 00:02:16,205 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 00:02:16,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-08-07 00:02:16,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c8cccb9/2594424f989b47a7b49387213560adca/FLAG29a176a14 [2021-08-07 00:02:16,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c8cccb9/2594424f989b47a7b49387213560adca [2021-08-07 00:02:16,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 00:02:16,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 00:02:16,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 00:02:16,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 00:02:16,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 00:02:16,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e333c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16, skipping insertion in model container [2021-08-07 00:02:16,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 00:02:16,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 00:02:16,699 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/safe006_tso.oepc.i[950,963] [2021-08-07 00:02:16,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:02:16,842 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 00:02:16,850 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/safe006_tso.oepc.i[950,963] [2021-08-07 00:02:16,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 00:02:16,887 INFO L208 MainTranslator]: Completed translation [2021-08-07 00:02:16,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16 WrapperNode [2021-08-07 00:02:16,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 00:02:16,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 00:02:16,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 00:02:16,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 00:02:16,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 00:02:16,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 00:02:16,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 00:02:16,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 00:02:16,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 00:02:16,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 00:02:16,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 00:02:16,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 00:02:16,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (1/1) ... [2021-08-07 00:02:16,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 00:02:16,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:02:16,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 00:02:16,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 00:02:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 00:02:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 00:02:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 00:02:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 00:02:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 00:02:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 00:02:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 00:02:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 00:02:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 00:02:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 00:02:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 00:02:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 00:02:16,979 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 00:02:17,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 00:02:17,279 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 00:02:17,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:02:17 BoogieIcfgContainer [2021-08-07 00:02:17,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 00:02:17,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 00:02:17,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 00:02:17,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 00:02:17,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:02:16" (1/3) ... [2021-08-07 00:02:17,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608910cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:02:17, skipping insertion in model container [2021-08-07 00:02:17,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:02:16" (2/3) ... [2021-08-07 00:02:17,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608910cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:02:17, skipping insertion in model container [2021-08-07 00:02:17,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:02:17" (3/3) ... [2021-08-07 00:02:17,286 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_tso.oepc.i [2021-08-07 00:02:17,290 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 00:02:17,290 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 00:02:17,290 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 00:02:17,290 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 00:02:17,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,319 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,321 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,322 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,322 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,322 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,331 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,332 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 00:02:17,337 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 00:02:17,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 00:02:17,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 00:02:17,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 00:02:17,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 00:02:17,412 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 00:02:17,417 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 00:02:17,417 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 00:02:17,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:02:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:02:17,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1478989279, now seen corresponding path program 1 times [2021-08-07 00:02:17,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:02:17,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25147648] [2021-08-07 00:02:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:02:17,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:02:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:02:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:02:17,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:02:17,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25147648] [2021-08-07 00:02:17,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25147648] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:02:17,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:02:17,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 00:02:17,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010765546] [2021-08-07 00:02:17,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 00:02:17,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:02:17,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 00:02:17,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 00:02:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:17,726 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:02:17,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:02:17,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:17,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:17,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 00:02:17,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:02:17,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:02:17,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1345345987, now seen corresponding path program 1 times [2021-08-07 00:02:17,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:02:17,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536148154] [2021-08-07 00:02:17,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:02:17,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:02:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:02:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:02:17,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:02:17,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536148154] [2021-08-07 00:02:17,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536148154] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:02:17,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:02:17,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 00:02:17,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488490870] [2021-08-07 00:02:18,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 00:02:18,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:02:18,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 00:02:18,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-07 00:02:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:02:18,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:02:18,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:18,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 00:02:18,147 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:02:18,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:02:18,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1078848124, now seen corresponding path program 1 times [2021-08-07 00:02:18,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:02:18,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948963052] [2021-08-07 00:02:18,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:02:18,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:02:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:02:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:02:18,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:02:18,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948963052] [2021-08-07 00:02:18,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948963052] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:02:18,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:02:18,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 00:02:18,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893297028] [2021-08-07 00:02:18,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 00:02:18,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:02:18,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 00:02:18,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-07 00:02:18,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:02:18,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:02:18,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 00:02:18,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 00:02:18,369 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:02:18,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:02:18,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1809014585, now seen corresponding path program 1 times [2021-08-07 00:02:18,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:02:18,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929832732] [2021-08-07 00:02:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:02:18,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:02:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:02:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:02:18,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:02:18,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929832732] [2021-08-07 00:02:18,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929832732] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:02:18,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:02:18,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 00:02:18,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315540408] [2021-08-07 00:02:18,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 00:02:18,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:02:18,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 00:02:18,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 00:02:18,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,530 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:02:18,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:02:18,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:18,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 00:02:18,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 00:02:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:02:18,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 00:02:18,706 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 00:02:18,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 00:02:18,706 INFO L82 PathProgramCache]: Analyzing trace with hash 206554817, now seen corresponding path program 1 times [2021-08-07 00:02:18,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 00:02:18,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767915604] [2021-08-07 00:02:18,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 00:02:18,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 00:02:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 00:02:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 00:02:18,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 00:02:18,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767915604] [2021-08-07 00:02:18,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767915604] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 00:02:18,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 00:02:18,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 00:02:18,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435085484] [2021-08-07 00:02:18,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 00:02:18,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 00:02:18,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 00:02:18,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 00:02:18,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 00:02:18,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 00:02:18,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:18,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:18,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 00:02:18,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:02:18,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 00:02:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 00:02:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 00:02:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:02:19,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 00:02:19,035 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 00:02:19,036 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 00:02:19,036 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 00:02:19,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 00:02:19,050 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 00:02:19,050 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 00:02:19,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:02:19 BasicIcfg [2021-08-07 00:02:19,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 00:02:19,052 INFO L168 Benchmark]: Toolchain (without parser) took 2501.06 ms. Allocated memory was 206.6 MB in the beginning and 265.3 MB in the end (delta: 58.7 MB). Free memory was 169.9 MB in the beginning and 207.0 MB in the end (delta: -37.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. [2021-08-07 00:02:19,052 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 00:02:19,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.81 ms. Allocated memory is still 206.6 MB. Free memory was 169.9 MB in the beginning and 180.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-08-07 00:02:19,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.21 ms. Allocated memory is still 206.6 MB. Free memory was 180.9 MB in the beginning and 178.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 00:02:19,053 INFO L168 Benchmark]: Boogie Preprocessor took 13.16 ms. Allocated memory is still 206.6 MB. Free memory was 178.9 MB in the beginning and 177.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 00:02:19,053 INFO L168 Benchmark]: RCFGBuilder took 352.95 ms. Allocated memory is still 206.6 MB. Free memory was 177.8 MB in the beginning and 155.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-08-07 00:02:19,053 INFO L168 Benchmark]: TraceAbstraction took 1769.87 ms. Allocated memory was 206.6 MB in the beginning and 265.3 MB in the end (delta: 58.7 MB). Free memory was 155.3 MB in the beginning and 207.0 MB in the end (delta: -51.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2021-08-07 00:02:19,054 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 206.6 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 335.81 ms. Allocated memory is still 206.6 MB. Free memory was 169.9 MB in the beginning and 180.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.21 ms. Allocated memory is still 206.6 MB. Free memory was 180.9 MB in the beginning and 178.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.16 ms. Allocated memory is still 206.6 MB. Free memory was 178.9 MB in the beginning and 177.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 352.95 ms. Allocated memory is still 206.6 MB. Free memory was 177.8 MB in the beginning and 155.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1769.87 ms. Allocated memory was 206.6 MB in the beginning and 265.3 MB in the end (delta: 58.7 MB). Free memory was 155.3 MB in the beginning and 207.0 MB in the end (delta: -51.7 MB). Peak memory consumption was 8.0 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: 5289, positive: 5179, positive conditional: 5179, positive unconditional: 0, negative: 110, negative conditional: 110, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5264, positive: 5179, positive conditional: 5179, positive unconditional: 0, negative: 85, negative conditional: 85, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5264, positive: 5179, positive conditional: 5179, positive unconditional: 0, negative: 85, negative conditional: 85, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5617, positive: 5179, positive conditional: 5131, positive unconditional: 48, negative: 438, negative conditional: 353, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5617, positive: 5179, positive conditional: 1358, positive unconditional: 3821, negative: 438, negative conditional: 40, negative unconditional: 398, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5617, positive: 5179, positive conditional: 1358, positive unconditional: 3821, negative: 438, negative conditional: 40, negative unconditional: 398, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 434, positive: 416, positive conditional: 182, positive unconditional: 234, negative: 18, negative conditional: 12, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 434, positive: 410, positive conditional: 0, positive unconditional: 410, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 18, negative conditional: 12, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 59, positive conditional: 16, positive unconditional: 42, negative: 45, negative conditional: 20, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5617, positive: 4763, positive conditional: 1176, positive unconditional: 3587, negative: 420, negative conditional: 28, negative unconditional: 392, unknown: 434, unknown conditional: 194, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 416, Positive conditional cache size: 182, Positive unconditional cache size: 234, Negative cache size: 18, Negative conditional cache size: 12, Negative unconditional cache size: 6, Eliminated conditions: 4086, Maximal queried relation: 5, Independence queries for same thread: 25 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1674.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 759.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 16.4ms SsaConstructionTime, 130.8ms SatisfiabilityAnalysisTime, 538.0ms InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 738 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! [2021-08-07 00:02:19,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 00:02:19,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...