/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 07:28:16,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 07:28:16,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 07:28:16,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 07:28:16,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 07:28:16,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 07:28:16,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 07:28:16,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 07:28:16,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 07:28:16,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 07:28:16,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 07:28:16,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 07:28:16,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 07:28:16,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 07:28:16,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 07:28:16,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 07:28:16,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 07:28:16,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 07:28:16,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 07:28:16,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 07:28:16,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 07:28:16,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 07:28:16,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 07:28:16,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 07:28:16,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 07:28:16,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 07:28:16,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 07:28:16,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 07:28:16,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 07:28:16,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 07:28:16,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 07:28:16,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 07:28:16,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 07:28:16,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 07:28:16,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 07:28:16,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 07:28:16,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 07:28:16,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 07:28:16,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 07:28:16,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 07:28:16,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 07:28:16,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random521.epf [2021-08-07 07:28:16,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 07:28:16,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 07:28:16,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 07:28:16,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 07:28:16,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 07:28:16,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 07:28:16,413 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 07:28:16,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 07:28:16,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 07:28:16,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 07:28:16,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 07:28:16,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 07:28:16,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 07:28:16,415 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 07:28:16,416 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 07:28:16,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 07:28:16,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 07:28:16,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 07:28:16,658 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 07:28:16,659 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 07:28:16,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-07 07:28:16,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c677ea4b1/815088bd16db4d36b90e23efd88795e7/FLAGdbad9dcc0 [2021-08-07 07:28:17,111 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 07:28:17,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-07 07:28:17,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c677ea4b1/815088bd16db4d36b90e23efd88795e7/FLAGdbad9dcc0 [2021-08-07 07:28:17,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c677ea4b1/815088bd16db4d36b90e23efd88795e7 [2021-08-07 07:28:17,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 07:28:17,488 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 07:28:17,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 07:28:17,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 07:28:17,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 07:28:17,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c2e457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17, skipping insertion in model container [2021-08-07 07:28:17,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 07:28:17,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 07:28:17,644 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-08-07 07:28:17,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 07:28:17,761 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 07:28:17,773 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-08-07 07:28:17,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 07:28:17,836 INFO L208 MainTranslator]: Completed translation [2021-08-07 07:28:17,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17 WrapperNode [2021-08-07 07:28:17,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 07:28:17,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 07:28:17,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 07:28:17,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 07:28:17,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 07:28:17,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 07:28:17,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 07:28:17,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 07:28:17,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 07:28:17,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 07:28:17,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 07:28:17,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 07:28:17,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (1/1) ... [2021-08-07 07:28:17,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 07:28:17,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:28:17,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 07:28:17,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 07:28:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-08-07 07:28:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-08-07 07:28:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 07:28:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 07:28:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 07:28:17,953 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 07:28:18,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 07:28:18,315 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-08-07 07:28:18,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:28:18 BoogieIcfgContainer [2021-08-07 07:28:18,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 07:28:18,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 07:28:18,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 07:28:18,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 07:28:18,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 07:28:17" (1/3) ... [2021-08-07 07:28:18,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acfbfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:28:18, skipping insertion in model container [2021-08-07 07:28:18,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:28:17" (2/3) ... [2021-08-07 07:28:18,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acfbfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:28:18, skipping insertion in model container [2021-08-07 07:28:18,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:28:18" (3/3) ... [2021-08-07 07:28:18,321 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-08-07 07:28:18,324 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 07:28:18,324 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 07:28:18,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-07 07:28:18,324 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 07:28:18,340 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,340 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,340 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,340 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,341 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,342 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,343 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,343 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,343 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,343 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,345 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,345 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,345 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,345 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,346 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,346 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,347 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,347 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 07:28:18,351 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 07:28:18,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 07:28:18,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:28:18,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 07:28:18,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 07:28:18,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 07:28:18,434 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 07:28:18,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-07 07:28:18,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 07:28:18,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:28:18,534 INFO L82 PathProgramCache]: Analyzing trace with hash 469582580, now seen corresponding path program 1 times [2021-08-07 07:28:18,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:28:18,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725669842] [2021-08-07 07:28:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:28:18,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:28:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:28:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 07:28:18,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:28:18,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725669842] [2021-08-07 07:28:18,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725669842] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:28:18,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:28:18,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 07:28:18,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091678177] [2021-08-07 07:28:18,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 07:28:18,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:28:18,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 07:28:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 07:28:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:18,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:28:18,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:28:18,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:18,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:18,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 07:28:18,711 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 07:28:18,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:28:18,713 INFO L82 PathProgramCache]: Analyzing trace with hash -809390033, now seen corresponding path program 1 times [2021-08-07 07:28:18,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:28:18,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070367783] [2021-08-07 07:28:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:28:18,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:28:18,759 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 07:28:18,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211333340] [2021-08-07 07:28:18,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:28:18,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:28:18,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:28:18,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:28:18,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 07:28:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:28:18,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-07 07:28:18,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:28:19,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-07 07:28:19,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-08-07 07:28:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 07:28:19,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:28:19,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070367783] [2021-08-07 07:28:19,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 07:28:19,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211333340] [2021-08-07 07:28:19,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211333340] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:28:19,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-07 07:28:19,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-08-07 07:28:19,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582534236] [2021-08-07 07:28:19,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 07:28:19,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:28:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 07:28:19,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-07 07:28:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:19,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:28:19,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:28:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:19,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:19,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:28:19,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-07 07:28:19,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-07 07:28:19,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 07:28:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:28:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1100886605, now seen corresponding path program 1 times [2021-08-07 07:28:19,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:28:19,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685576662] [2021-08-07 07:28:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:28:19,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:28:20,015 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 07:28:20,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990414245] [2021-08-07 07:28:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:28:20,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:28:20,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:28:20,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:28:20,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 07:28:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 07:28:20,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-07 07:28:20,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:28:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 07:28:21,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:28:21,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685576662] [2021-08-07 07:28:21,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 07:28:21,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990414245] [2021-08-07 07:28:21,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990414245] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 07:28:21,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 07:28:21,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-07 07:28:21,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308409604] [2021-08-07 07:28:21,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 07:28:21,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:28:21,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 07:28:21,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-08-07 07:28:21,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:21,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:28:21,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:28:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:28:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:28:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:28:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:28:21,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-07 07:28:22,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:28:22,069 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 07:28:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:28:22,070 INFO L82 PathProgramCache]: Analyzing trace with hash 667698031, now seen corresponding path program 2 times [2021-08-07 07:28:22,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:28:22,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953605718] [2021-08-07 07:28:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:28:22,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:28:22,092 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 07:28:22,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068136532] [2021-08-07 07:28:22,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 07:28:22,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:28:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:28:22,099 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:28:22,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 07:28:23,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 07:28:23,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:28:23,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 66 conjunts are in the unsatisfiable core [2021-08-07 07:28:23,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:28:48,145 WARN L207 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 38 [2021-08-07 07:29:26,135 WARN L207 SmtUtils]: Spent 16.57 s on a formula simplification that was a NOOP. DAG size: 38 [2021-08-07 07:30:40,505 WARN L207 SmtUtils]: Spent 30.20 s on a formula simplification that was a NOOP. DAG size: 47 [2021-08-07 07:31:18,937 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse3 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse0) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (let ((.cse2 (= (mod (mod .cse3 .cse1) 4294967296) 0))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (not .cse2)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 1) .cse2))) (or (let ((.cse4 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse0) 4294967296))) (and (= (mod (mod .cse4 .cse1) 4294967296) 0) (< .cse3 .cse4))) (= 0 (mod (mod .cse0 .cse1) 4294967296)))))) is different from false [2021-08-07 07:31:34,551 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse0 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse2) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (= (mod (mod .cse0 .cse1) 4294967296) 0) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (or (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse2) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) (< .cse0 .cse3))) (= 0 (mod (mod .cse2 .cse1) 4294967296)))))) is different from false [2021-08-07 07:33:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 07:33:36,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 07:33:36,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953605718] [2021-08-07 07:33:36,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 07:33:36,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068136532] [2021-08-07 07:33:36,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068136532] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 07:33:36,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-07 07:33:36,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-08-07 07:33:36,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884662229] [2021-08-07 07:33:36,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-07 07:33:36,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 07:33:36,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-07 07:33:36,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=954, Unknown=10, NotChecked=126, Total=1190 [2021-08-07 07:33:36,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:33:36,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 07:33:36,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 07:33:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:33:36,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:33:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:33:36,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:33:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 07:33:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:33:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 07:33:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 07:33:49,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 07:33:49,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:33:49,400 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 07:33:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 07:33:49,401 INFO L82 PathProgramCache]: Analyzing trace with hash 985306129, now seen corresponding path program 3 times [2021-08-07 07:33:49,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 07:33:49,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854862181] [2021-08-07 07:33:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 07:33:49,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 07:33:49,419 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 07:33:49,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580140042] [2021-08-07 07:33:49,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 07:33:49,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:33:49,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 07:33:49,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 07:33:49,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 07:35:03,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-07 07:35:03,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 07:35:03,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 66 conjunts are in the unsatisfiable core [2021-08-07 07:35:03,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 07:36:26,423 WARN L207 SmtUtils]: Spent 41.98 s on a formula simplification that was a NOOP. DAG size: 51 [2021-08-07 07:38:06,413 WARN L207 SmtUtils]: Spent 35.22 s on a formula simplification that was a NOOP. DAG size: 51 [2021-08-07 07:38:31,225 WARN L207 SmtUtils]: Spent 13.85 s on a formula simplification that was a NOOP. DAG size: 37 [2021-08-07 07:40:07,201 WARN L207 SmtUtils]: Spent 37.06 s on a formula simplification that was a NOOP. DAG size: 57 [2021-08-07 07:41:01,920 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (not .cse6)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 1) .cse6)))))) is different from false [2021-08-07 07:41:31,753 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (= (mod (mod .cse4 .cse1) 4294967296) 0) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false Received shutdown request... [2021-08-07 07:43:02,346 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 07:43:02,346 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 07:43:02,346 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 07:43:03,114 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-07 07:43:03,116 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 07:43:03,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 07:43:03,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 07:43:03,317 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 1ms.. [2021-08-07 07:43:03,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 07:43:03,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 07:43:03,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 07:43:03,318 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 07:43:03,323 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 07:43:03,323 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 07:43:03,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:43:03 BasicIcfg [2021-08-07 07:43:03,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 07:43:03,325 INFO L168 Benchmark]: Toolchain (without parser) took 885837.34 ms. Allocated memory was 186.6 MB in the beginning and 269.5 MB in the end (delta: 82.8 MB). Free memory was 150.0 MB in the beginning and 120.2 MB in the end (delta: 29.8 MB). Peak memory consumption was 113.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:43:03,325 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 186.6 MB. Free memory is still 167.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 07:43:03,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.36 ms. Allocated memory is still 186.6 MB. Free memory was 149.8 MB in the beginning and 159.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. [2021-08-07 07:43:03,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.57 ms. Allocated memory is still 186.6 MB. Free memory was 159.9 MB in the beginning and 157.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:43:03,325 INFO L168 Benchmark]: Boogie Preprocessor took 17.58 ms. Allocated memory is still 186.6 MB. Free memory was 157.5 MB in the beginning and 156.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 07:43:03,325 INFO L168 Benchmark]: RCFGBuilder took 413.76 ms. Allocated memory is still 186.6 MB. Free memory was 156.1 MB in the beginning and 161.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2021-08-07 07:43:03,325 INFO L168 Benchmark]: TraceAbstraction took 885007.25 ms. Allocated memory was 186.6 MB in the beginning and 269.5 MB in the end (delta: 82.8 MB). Free memory was 161.0 MB in the beginning and 120.2 MB in the end (delta: 40.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 8.0 GB. [2021-08-07 07:43:03,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 186.6 MB. Free memory is still 167.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 348.36 ms. Allocated memory is still 186.6 MB. Free memory was 149.8 MB in the beginning and 159.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.57 ms. Allocated memory is still 186.6 MB. Free memory was 159.9 MB in the beginning and 157.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.58 ms. Allocated memory is still 186.6 MB. Free memory was 157.5 MB in the beginning and 156.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 413.76 ms. Allocated memory is still 186.6 MB. Free memory was 156.1 MB in the beginning and 161.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 885007.25 ms. Allocated memory was 186.6 MB in the beginning and 269.5 MB in the end (delta: 82.8 MB). Free memory was 161.0 MB in the beginning and 120.2 MB in the end (delta: 40.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 384, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 152, negative conditional: 152, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 250, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 289, positive: 232, positive conditional: 188, positive unconditional: 44, negative: 57, negative conditional: 39, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 289, positive: 232, positive conditional: 27, positive unconditional: 205, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 232, positive conditional: 27, positive unconditional: 205, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 289, positive: 197, positive conditional: 27, positive unconditional: 170, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 200, Maximal queried relation: 4, Independence queries for same thread: 134 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 1ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 1ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 1ms.. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 1ms.. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 10 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 884932.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 13700.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.9ms SsaConstructionTime, 1745.5ms SatisfiabilityAnalysisTime, 314302.4ms InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 4952 SizeOfPredicates, 54 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 5/11 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 could not prove your program: Timeout Completed graceful shutdown