/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/safe024_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-17 03:31:33,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-17 03:31:33,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-17 03:31:33,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-17 03:31:33,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-17 03:31:33,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-17 03:31:33,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-17 03:31:33,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-17 03:31:33,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-17 03:31:33,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-17 03:31:33,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-17 03:31:33,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-17 03:31:33,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-17 03:31:33,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-17 03:31:33,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-17 03:31:33,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-17 03:31:33,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-17 03:31:33,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-17 03:31:33,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-17 03:31:33,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-17 03:31:33,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-17 03:31:33,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-17 03:31:33,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-17 03:31:33,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-17 03:31:33,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-17 03:31:33,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-17 03:31:33,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-17 03:31:33,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-17 03:31:33,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-17 03:31:33,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-17 03:31:33,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-17 03:31:33,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-17 03:31:33,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-17 03:31:33,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-17 03:31:33,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-17 03:31:33,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-17 03:31:33,131 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 03:31:33,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-17 03:31:33,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-17 03:31:33,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-17 03:31:33,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-17 03:31:33,164 INFO L138 SettingsManager]: * Use SBE=true [2021-02-17 03:31:33,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-17 03:31:33,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-17 03:31:33,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-17 03:31:33,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-17 03:31:33,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-17 03:31:33,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-17 03:31:33,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-17 03:31:33,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-17 03:31:33,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-17 03:31:33,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-17 03:31:33,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-17 03:31:33,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-17 03:31:33,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-17 03:31:33,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-17 03:31:33,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-17 03:31:33,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-17 03:31:33,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-17 03:31:33,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-17 03:31:33,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-17 03:31:33,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-17 03:31:33,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-17 03:31:33,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-17 03:31:33,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-17 03:31:33,170 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-17 03:31:33,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-17 03:31:33,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-17 03:31:33,171 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-17 03:31:33,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-17 03:31:33,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-17 03:31:33,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-17 03:31:33,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-17 03:31:33,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-17 03:31:33,546 INFO L275 PluginConnector]: CDTParser initialized [2021-02-17 03:31:33,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i [2021-02-17 03:31:33,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ea7ec4c/3382597625a84e30a3ca8ab66a96db8e/FLAGcd9e3e7b6 [2021-02-17 03:31:34,403 INFO L306 CDTParser]: Found 1 translation units. [2021-02-17 03:31:34,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_tso.oepc.i [2021-02-17 03:31:34,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ea7ec4c/3382597625a84e30a3ca8ab66a96db8e/FLAGcd9e3e7b6 [2021-02-17 03:31:34,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ea7ec4c/3382597625a84e30a3ca8ab66a96db8e [2021-02-17 03:31:34,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-17 03:31:34,620 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-17 03:31:34,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-17 03:31:34,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-17 03:31:34,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-17 03:31:34,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:31:34" (1/1) ... [2021-02-17 03:31:34,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c36c1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:34, skipping insertion in model container [2021-02-17 03:31:34,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 03:31:34" (1/1) ... [2021-02-17 03:31:34,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-17 03:31:34,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-17 03:31:34,894 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/safe024_tso.oepc.i[950,963] [2021-02-17 03:31:35,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:31:35,119 INFO L203 MainTranslator]: Completed pre-run [2021-02-17 03:31:35,134 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/safe024_tso.oepc.i[950,963] [2021-02-17 03:31:35,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-17 03:31:35,260 INFO L208 MainTranslator]: Completed translation [2021-02-17 03:31:35,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35 WrapperNode [2021-02-17 03:31:35,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-17 03:31:35,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-17 03:31:35,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-17 03:31:35,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-17 03:31:35,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-17 03:31:35,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-17 03:31:35,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-17 03:31:35,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-17 03:31:35,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (1/1) ... [2021-02-17 03:31:35,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-17 03:31:35,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-17 03:31:35,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-17 03:31:35,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-17 03:31:35,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (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 03:31:35,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-17 03:31:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-17 03:31:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-17 03:31:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-17 03:31:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-02-17 03:31:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-02-17 03:31:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-02-17 03:31:35,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-02-17 03:31:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-02-17 03:31:35,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-02-17 03:31:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-17 03:31:35,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-17 03:31:35,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-17 03:31:35,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-17 03:31:35,520 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 03:31:35,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-17 03:31:35,885 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-17 03:31:35,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:31:35 BoogieIcfgContainer [2021-02-17 03:31:35,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-17 03:31:35,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-17 03:31:35,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-17 03:31:35,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-17 03:31:35,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 03:31:34" (1/3) ... [2021-02-17 03:31:35,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6410e3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:31:35, skipping insertion in model container [2021-02-17 03:31:35,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 03:31:35" (2/3) ... [2021-02-17 03:31:35,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6410e3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 03:31:35, skipping insertion in model container [2021-02-17 03:31:35,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 03:31:35" (3/3) ... [2021-02-17 03:31:35,896 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_tso.oepc.i [2021-02-17 03:31:35,903 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-17 03:31:35,903 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-17 03:31:35,908 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-17 03:31:35,909 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-17 03:31:35,948 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,949 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,951 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,953 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,955 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,957 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,958 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,958 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,966 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,966 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,972 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-17 03:31:35,978 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-17 03:31:36,000 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 03:31:36,037 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-17 03:31:36,037 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-17 03:31:36,038 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-17 03:31:36,038 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-17 03:31:36,038 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-17 03:31:36,038 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-17 03:31:36,038 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-17 03:31:36,038 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 03:31:36,091 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:31:36,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:31:36,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1222548759, now seen corresponding path program 1 times [2021-02-17 03:31:36,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:31:36,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610533933] [2021-02-17 03:31:36,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:31:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:31:36,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:36,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:36,391 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 03:31:36,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610533933] [2021-02-17 03:31:36,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:31:36,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-17 03:31:36,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858210521] [2021-02-17 03:31:36,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-02-17 03:31:36,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:31:36,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-02-17 03:31:36,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-02-17 03:31:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:36,419 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:31:36,421 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 03:31:36,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:36,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-17 03:31:36,492 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:31:36,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:31:36,493 INFO L82 PathProgramCache]: Analyzing trace with hash 136499456, now seen corresponding path program 1 times [2021-02-17 03:31:36,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:31:36,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024384128] [2021-02-17 03:31:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:31:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:31:36,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:36,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:36,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:36,696 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:31:36,699 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:31:36,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:31:36,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:31:36,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:36,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:36,799 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 03:31:36,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024384128] [2021-02-17 03:31:36,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:31:36,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:31:36,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59248344] [2021-02-17 03:31:36,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:31:36,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:31:36,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:31:36,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:31:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:36,808 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:31:36,809 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 03:31:36,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:36,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:37,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-17 03:31:37,127 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:31:37,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:31:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash 617374848, now seen corresponding path program 2 times [2021-02-17 03:31:37,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:31:37,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338427707] [2021-02-17 03:31:37,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:31:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:31:37,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:37,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:37,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:37,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:37,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:37,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:37,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:37,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:37,307 WARN L141 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-02-17 03:31:37,309 WARN L147 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size 29 [2021-02-17 03:31:37,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:37,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-17 03:31:37,361 WARN L141 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-02-17 03:31:37,362 WARN L147 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size 9 [2021-02-17 03:31:37,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:37,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:37,383 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 03:31:37,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338427707] [2021-02-17 03:31:37,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:31:37,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-17 03:31:37,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540152763] [2021-02-17 03:31:37,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-17 03:31:37,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:31:37,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-17 03:31:37,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-17 03:31:37,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:37,394 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:31:37,395 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 03:31:37,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:37,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:37,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:31:38,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-17 03:31:38,269 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:31:38,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:31:38,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1600414854, now seen corresponding path program 3 times [2021-02-17 03:31:38,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:31:38,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762008094] [2021-02-17 03:31:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:31:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:31:38,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:38,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:38,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:38,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:38,418 WARN L141 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-02-17 03:31:38,422 WARN L147 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size 13 [2021-02-17 03:31:38,432 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:31:38,433 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:31:38,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:38,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:31:38,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:38,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:31:38,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:38,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:38,488 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 03:31:38,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762008094] [2021-02-17 03:31:38,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:31:38,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:31:38,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773576543] [2021-02-17 03:31:38,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:31:38,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:31:38,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:31:38,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:31:38,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:38,491 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:31:38,491 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 03:31:38,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:38,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:38,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:31:38,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:31:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-17 03:31:39,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-17 03:31:39,052 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-17 03:31:39,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-17 03:31:39,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1494951316, now seen corresponding path program 4 times [2021-02-17 03:31:39,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-17 03:31:39,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285406876] [2021-02-17 03:31:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-17 03:31:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-17 03:31:39,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:39,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:39,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:39,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:39,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:39,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-17 03:31:39,140 WARN L141 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-02-17 03:31:39,142 WARN L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-02-17 03:31:39,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:39,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:31:39,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:39,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-17 03:31:39,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-17 03:31:39,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-17 03:31:39,189 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 03:31:39,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285406876] [2021-02-17 03:31:39,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-17 03:31:39,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-17 03:31:39,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286917729] [2021-02-17 03:31:39,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-17 03:31:39,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-17 03:31:39,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-17 03:31:39,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-17 03:31:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:39,192 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-17 03:31:39,193 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 03:31:39,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:39,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:39,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:31:39,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-17 03:31:39,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-17 03:31:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-17 03:31:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-17 03:31:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-17 03:31:40,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-17 03:31:40,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 03:31:40 BasicIcfg [2021-02-17 03:31:40,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-17 03:31:40,049 INFO L168 Benchmark]: Toolchain (without parser) took 5439.78 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.5 MB in the beginning and 205.1 MB in the end (delta: 71.4 MB). Peak memory consumption was 227.7 MB. Max. memory is 16.0 GB. [2021-02-17 03:31:40,050 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.6 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-17 03:31:40,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.97 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 244.6 MB in the end (delta: 30.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-02-17 03:31:40,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.82 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 284.6 MB in the end (delta: -40.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-02-17 03:31:40,052 INFO L168 Benchmark]: Boogie Preprocessor took 63.19 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 283.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-02-17 03:31:40,053 INFO L168 Benchmark]: RCFGBuilder took 491.27 ms. Allocated memory is still 302.0 MB. Free memory was 283.4 MB in the beginning and 260.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-02-17 03:31:40,053 INFO L168 Benchmark]: TraceAbstraction took 4158.23 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 259.3 MB in the beginning and 205.1 MB in the end (delta: 54.2 MB). Peak memory consumption was 212.4 MB. Max. memory is 16.0 GB. [2021-02-17 03:31:40,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.6 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 636.97 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 244.6 MB in the end (delta: 30.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 66.82 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 284.6 MB in the end (delta: -40.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.19 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 283.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 491.27 ms. Allocated memory is still 302.0 MB. Free memory was 283.4 MB in the beginning and 260.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4158.23 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 259.3 MB in the beginning and 205.1 MB in the end (delta: 54.2 MB). Peak memory consumption was 212.4 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: 4.0s, OverallIterations: 5, 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, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 46923 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...