/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-17 03:36:53,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-17 03:36:53,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-17 03:36:54,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-17 03:36:54,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-17 03:36:54,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-17 03:36:54,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-17 03:36:54,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-17 03:36:54,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-17 03:36:54,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-17 03:36:54,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-17 03:36:54,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-17 03:36:54,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-17 03:36:54,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-17 03:36:54,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-17 03:36:54,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-17 03:36:54,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-17 03:36:54,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-17 03:36:54,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-17 03:36:54,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-17 03:36:54,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-17 03:36:54,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-17 03:36:54,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-17 03:36:54,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-17 03:36:54,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-17 03:36:54,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-17 03:36:54,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-17 03:36:54,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-17 03:36:54,095 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-Sleep-NoLbe-New_States.epf [2021-02-17 03:36:54,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-17 03:36:54,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-17 03:36:54,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-17 03:36:54,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-17 03:36:54,126 INFO L138 SettingsManager]: * Use SBE=true [2021-02-17 03:36:54,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-17 03:36:54,127 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-17 03:36:54,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-17 03:36:54,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-17 03:36:54,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-17 03:36:54,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-17 03:36:54,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-17 03:36:54,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-17 03:36:54,129 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-17 03:36:54,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-17 03:36:54,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-17 03:36:54,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-17 03:36:54,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-17 03:36:54,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-17 03:36:54,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-17 03:36:54,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-17 03:36:54,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-17 03:36:54,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-17 03:36:54,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-17 03:36:54,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-17 03:36:54,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-17 03:36:54,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-17 03:36:54,132 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-17 03:36:54,132 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-17 03:36:54,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-17 03:36:54,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-17 03:36:54,133 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-17 03:36:54,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-17 03:36:54,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-17 03:36:54,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-17 03:36:54,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-17 03:36:54,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-17 03:36:54,587 INFO L275 PluginConnector]: CDTParser initialized [2021-02-17 03:36:54,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2021-02-17 03:36:54,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2eb5303/65acb1dfea9b47069dda6a47f30d5fd5/FLAG2570f70c5 [2021-02-17 03:36:55,332 INFO L306 CDTParser]: Found 1 translation units. [2021-02-17 03:36:55,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2021-02-17 03:36:55,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2eb5303/65acb1dfea9b47069dda6a47f30d5fd5/FLAG2570f70c5 [2021-02-17 03:36:55,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2eb5303/65acb1dfea9b47069dda6a47f30d5fd5 [2021-02-17 03:36:55,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-17 03:36:55,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-17 03:36:55,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-17 03:36:55,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-17 03:36:55,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-17 03:36:55,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:36:55" (1/1) ... [2021-02-17 03:36:55,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c0476c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:55, skipping insertion in model container [2021-02-17 03:36:55,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:36:55" (1/1) ... [2021-02-17 03:36:55,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-17 03:36:55,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-17 03:36:55,948 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i[950,963] [2021-02-17 03:36:56,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:36:56,189 INFO L203 MainTranslator]: Completed pre-run [2021-02-17 03:36:56,207 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i[950,963] [2021-02-17 03:36:56,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:36:56,424 INFO L208 MainTranslator]: Completed translation [2021-02-17 03:36:56,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56 WrapperNode [2021-02-17 03:36:56,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-17 03:36:56,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-17 03:36:56,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-17 03:36:56,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-17 03:36:56,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-17 03:36:56,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-17 03:36:56,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-17 03:36:56,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-17 03:36:56,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (1/1) ... [2021-02-17 03:36:56,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-17 03:36:56,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-17 03:36:56,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-17 03:36:56,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-17 03:36:56,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (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 [2021-02-17 03:36:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-17 03:36:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-17 03:36:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-17 03:36:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-17 03:36:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-17 03:36:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-17 03:36:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-17 03:36:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-17 03:36:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-17 03:36:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-17 03:36:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-17 03:36:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-17 03:36:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-17 03:36:56,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-17 03:36:56,656 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-17 03:36:57,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-17 03:36:57,026 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-17 03:36:57,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:36:57 BoogieIcfgContainer [2021-02-17 03:36:57,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-17 03:36:57,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-17 03:36:57,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-17 03:36:57,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-17 03:36:57,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 03:36:55" (1/3) ... [2021-02-17 03:36:57,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfc72fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:36:57, skipping insertion in model container [2021-02-17 03:36:57,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:36:56" (2/3) ... [2021-02-17 03:36:57,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfc72fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:36:57, skipping insertion in model container [2021-02-17 03:36:57,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:36:57" (3/3) ... [2021-02-17 03:36:57,037 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2021-02-17 03:36:57,046 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-17 03:36:57,046 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-17 03:36:57,051 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-17 03:36:57,052 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-17 03:36:57,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,110 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,122 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,123 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,128 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,128 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,156 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:36:57,166 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-17 03:36:57,195 INFO L253 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) [2021-02-17 03:36:57,261 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-17 03:36:57,261 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-17 03:36:57,261 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-17 03:36:57,261 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-17 03:36:57,261 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-17 03:36:57,262 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-17 03:36:57,262 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-17 03:36:57,262 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-17 03:36:57,390 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:36:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:36:57,400 INFO L82 PathProgramCache]: Analyzing trace with hash 482219144, now seen corresponding path program 1 times [2021-02-17 03:36:57,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:36:57,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55590910] [2021-02-17 03:36:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:36:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:36:57,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:57,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:36:57,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:57,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:36:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:36:57,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55590910] [2021-02-17 03:36:57,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:36:57,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-17 03:36:57,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908590316] [2021-02-17 03:36:57,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-02-17 03:36:57,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:36:57,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-02-17 03:36:57,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-02-17 03:36:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:57,834 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:36:57,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2021-02-17 03:36:57,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:57,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-17 03:36:57,883 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:36:57,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:36:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash 614078075, now seen corresponding path program 1 times [2021-02-17 03:36:57,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:36:57,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418424967] [2021-02-17 03:36:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:36:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:36:58,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:58,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:36:58,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:58,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:36:58,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:58,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:36:58,169 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:36:58,171 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:36:58,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:58,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:36:58,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:58,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:36:58,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:58,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:36:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:36:58,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418424967] [2021-02-17 03:36:58,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:36:58,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:36:58,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778393088] [2021-02-17 03:36:58,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:36:58,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:36:58,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:36:58,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:36:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:58,240 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:36:58,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-02-17 03:36:58,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:58,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:36:59,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-17 03:36:59,504 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:36:59,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:36:59,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1717748821, now seen corresponding path program 2 times [2021-02-17 03:36:59,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:36:59,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192276271] [2021-02-17 03:36:59,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:36:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:36:59,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:59,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:36:59,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:59,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:36:59,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:59,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:36:59,648 WARN L141 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-02-17 03:36:59,650 WARN L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-02-17 03:36:59,668 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:36:59,670 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:36:59,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:59,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:36:59,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:59,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:36:59,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:36:59,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:36:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:36:59,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192276271] [2021-02-17 03:36:59,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:36:59,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-17 03:36:59,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135297696] [2021-02-17 03:36:59,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-17 03:36:59,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:36:59,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-17 03:36:59,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-17 03:36:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:59,729 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:36:59,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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) [2021-02-17 03:36:59,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:36:59,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:36:59,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:37:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:37:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:37:01,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-17 03:37:01,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-17 03:37:01,207 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:37:01,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:37:01,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1454460445, now seen corresponding path program 3 times [2021-02-17 03:37:01,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:37:01,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266086240] [2021-02-17 03:37:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:37:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:37:01,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:37:01,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:37:01,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:37:01,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:37:01,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:37:01,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:37:01,365 WARN L141 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-02-17 03:37:01,367 WARN L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-02-17 03:37:01,377 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:37:01,379 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:37:01,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:37:01,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:37:01,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:37:01,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:37:01,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:37:01,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:37:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-17 03:37:01,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266086240] [2021-02-17 03:37:01,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:37:01,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-17 03:37:01,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919825263] [2021-02-17 03:37:01,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-17 03:37:01,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:37:01,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-17 03:37:01,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-17 03:37:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:37:01,442 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:37:01,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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) [2021-02-17 03:37:01,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:37:01,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:37:01,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-17 03:37:01,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:37:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:37:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-17 03:37:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-17 03:37:03,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-17 03:37:03,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-17 03:37:03,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 03:37:03 BasicIcfg [2021-02-17 03:37:03,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-17 03:37:03,842 INFO L168 Benchmark]: Toolchain (without parser) took 8217.58 ms. Allocated memory was 302.0 MB in the beginning and 725.6 MB in the end (delta: 423.6 MB). Free memory was 276.5 MB in the beginning and 595.6 MB in the end (delta: -319.0 MB). Peak memory consumption was 283.8 MB. Max. memory is 16.0 GB. [2021-02-17 03:37:03,849 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:37:03,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.34 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 275.6 MB in the end (delta: -171.0 kB). Peak memory consumption was 28.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:37:03,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.28 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 274.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:37:03,852 INFO L168 Benchmark]: Boogie Preprocessor took 28.51 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 272.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:37:03,858 INFO L168 Benchmark]: RCFGBuilder took 477.95 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 249.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-02-17 03:37:03,862 INFO L168 Benchmark]: TraceAbstraction took 6810.58 ms. Allocated memory was 302.0 MB in the beginning and 725.6 MB in the end (delta: 423.6 MB). Free memory was 249.4 MB in the beginning and 595.6 MB in the end (delta: -346.2 MB). Peak memory consumption was 257.7 MB. Max. memory is 16.0 GB. [2021-02-17 03:37:03,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 785.34 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 275.6 MB in the end (delta: -171.0 kB). Peak memory consumption was 28.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 93.28 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 274.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.51 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 272.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 477.95 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 249.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6810.58 ms. Allocated memory was 302.0 MB in the beginning and 725.6 MB in the end (delta: 423.6 MB). Free memory was 249.4 MB in the beginning and 595.6 MB in the end (delta: -346.2 MB). Peak memory consumption was 257.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 47793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...