/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:31:50,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:31:50,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:31:50,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:31:50,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:31:50,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:31:50,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:31:50,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:31:50,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:31:50,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:31:50,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:31:50,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:31:50,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:31:50,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:31:50,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:31:50,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:31:50,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:31:50,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:31:50,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:31:50,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:31:50,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:31:50,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:31:50,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:31:50,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:31:50,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 11:31:50,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 11:31:50,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 11:31:50,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 11:31:50,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 11:31:50,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-16 11:31:50,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:31:50,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:31:50,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:31:50,378 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-PN-NoLbe.epf [2022-09-16 11:31:50,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:31:50,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:31:50,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:31:50,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:31:50,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:31:50,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:31:50,413 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:31:50,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:31:50,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:31:50,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:31:50,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:31:50,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:31:50,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:31:50,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:31:50,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:31:50,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:31:50,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:50,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:31:50,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:31:50,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:31:50,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:31:50,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:31:50,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:31:50,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:31:50,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:31:50,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:31:50,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:31:50,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:31:50,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:31:50,670 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:31:50,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i [2022-09-16 11:31:50,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03e374f2/6347618a19594e1c9409d103188edffd/FLAG88f6bf10e [2022-09-16 11:31:51,136 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:31:51,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i [2022-09-16 11:31:51,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03e374f2/6347618a19594e1c9409d103188edffd/FLAG88f6bf10e [2022-09-16 11:31:51,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03e374f2/6347618a19594e1c9409d103188edffd [2022-09-16 11:31:51,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:31:51,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:31:51,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:51,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:31:51,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:31:51,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:51" (1/1) ... [2022-09-16 11:31:51,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a9d65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:51, skipping insertion in model container [2022-09-16 11:31:51,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:51" (1/1) ... [2022-09-16 11:31:51,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:31:51,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:31:51,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i[949,962] [2022-09-16 11:31:51,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:52,004 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:31:52,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_tso.oepc.i[949,962] [2022-09-16 11:31:52,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:52,122 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:31:52,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52 WrapperNode [2022-09-16 11:31:52,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:52,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:52,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:31:52,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:31:52,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,205 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 286 [2022-09-16 11:31:52,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:52,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:31:52,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:31:52,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:31:52,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:31:52,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:31:52,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:31:52,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:31:52,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (1/1) ... [2022-09-16 11:31:52,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:52,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:31:52,305 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) [2022-09-16 11:31:52,327 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 [2022-09-16 11:31:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:31:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:31:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:31:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:31:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:31:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:31:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:31:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:31:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:31:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:31:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:31:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:31:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:31:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:31:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:31:52,353 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 11:31:52,547 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:31:52,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:31:53,073 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:31:53,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:31:53,542 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:31:53,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:53 BoogieIcfgContainer [2022-09-16 11:31:53,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:31:53,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:31:53,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:31:53,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:31:53,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:31:51" (1/3) ... [2022-09-16 11:31:53,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181762f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:53, skipping insertion in model container [2022-09-16 11:31:53,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:52" (2/3) ... [2022-09-16 11:31:53,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181762f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:53, skipping insertion in model container [2022-09-16 11:31:53,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:53" (3/3) ... [2022-09-16 11:31:53,553 INFO L112 eAbstractionObserver]: Analyzing ICFG mix011_tso.oepc.i [2022-09-16 11:31:53,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:31:53,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:31:53,568 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:31:53,637 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:31:53,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 125 transitions, 265 flow [2022-09-16 11:31:53,726 INFO L130 PetriNetUnfolder]: 2/122 cut-off events. [2022-09-16 11:31:53,727 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:53,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 122 events. 2/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-09-16 11:31:53,732 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 125 transitions, 265 flow [2022-09-16 11:31:53,737 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 122 transitions, 253 flow [2022-09-16 11:31:53,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:31:53,757 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d4a3846, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:31:53,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:31:53,765 INFO L130 PetriNetUnfolder]: 0/54 cut-off events. [2022-09-16 11:31:53,766 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:53,766 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:53,767 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:53,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash 826585014, now seen corresponding path program 1 times [2022-09-16 11:31:53,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:53,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009712297] [2022-09-16 11:31:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:53,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:54,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:54,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009712297] [2022-09-16 11:31:54,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009712297] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:54,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:54,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:31:54,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605840119] [2022-09-16 11:31:54,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:54,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:31:54,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:54,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:31:54,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:31:54,118 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125 [2022-09-16 11:31:54,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 122 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2022-09-16 11:31:54,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:54,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125 [2022-09-16 11:31:54,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:54,618 INFO L130 PetriNetUnfolder]: 586/2031 cut-off events. [2022-09-16 11:31:54,619 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-09-16 11:31:54,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3010 conditions, 2031 events. 586/2031 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 16020 event pairs, 289 based on Foata normal form. 81/1746 useless extension candidates. Maximal degree in co-relation 2955. Up to 801 conditions per place. [2022-09-16 11:31:54,642 INFO L137 encePairwiseOnDemand]: 113/125 looper letters, 28 selfloop transitions, 4 changer transitions 0/131 dead transitions. [2022-09-16 11:31:54,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 131 transitions, 341 flow [2022-09-16 11:31:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:31:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:31:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2022-09-16 11:31:54,660 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.928 [2022-09-16 11:31:54,660 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 348 transitions. [2022-09-16 11:31:54,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 348 transitions. [2022-09-16 11:31:54,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:54,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 348 transitions. [2022-09-16 11:31:54,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2022-09-16 11:31:54,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 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) [2022-09-16 11:31:54,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 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) [2022-09-16 11:31:54,678 INFO L175 Difference]: Start difference. First operand has 130 places, 122 transitions, 253 flow. Second operand 3 states and 348 transitions. [2022-09-16 11:31:54,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 131 transitions, 341 flow [2022-09-16 11:31:54,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:54,688 INFO L231 Difference]: Finished difference. Result has 129 places, 122 transitions, 280 flow [2022-09-16 11:31:54,690 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=129, PETRI_TRANSITIONS=122} [2022-09-16 11:31:54,694 INFO L287 CegarLoopForPetriNet]: 130 programPoint places, -1 predicate places. [2022-09-16 11:31:54,694 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 122 transitions, 280 flow [2022-09-16 11:31:54,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2022-09-16 11:31:54,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:54,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:54,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:31:54,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:54,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2112165654, now seen corresponding path program 1 times [2022-09-16 11:31:54,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:54,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744221283] [2022-09-16 11:31:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:54,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:54,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744221283] [2022-09-16 11:31:54,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744221283] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:54,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:54,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:54,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462659731] [2022-09-16 11:31:54,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:54,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:54,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:54,800 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125 [2022-09-16 11:31:54,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 280 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-09-16 11:31:54,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:54,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125 [2022-09-16 11:31:54,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:55,103 INFO L130 PetriNetUnfolder]: 420/1262 cut-off events. [2022-09-16 11:31:55,104 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2022-09-16 11:31:55,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 1262 events. 420/1262 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 8938 event pairs, 89 based on Foata normal form. 0/1087 useless extension candidates. Maximal degree in co-relation 2274. Up to 387 conditions per place. [2022-09-16 11:31:55,121 INFO L137 encePairwiseOnDemand]: 115/125 looper letters, 33 selfloop transitions, 10 changer transitions 3/145 dead transitions. [2022-09-16 11:31:55,121 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 436 flow [2022-09-16 11:31:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 457 transitions. [2022-09-16 11:31:55,124 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.914 [2022-09-16 11:31:55,124 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 457 transitions. [2022-09-16 11:31:55,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 457 transitions. [2022-09-16 11:31:55,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:55,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 457 transitions. [2022-09-16 11:31:55,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 114.25) internal successors, (457), 4 states have internal predecessors, (457), 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) [2022-09-16 11:31:55,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 states have internal predecessors, (625), 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) [2022-09-16 11:31:55,129 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 states have internal predecessors, (625), 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) [2022-09-16 11:31:55,129 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 280 flow. Second operand 4 states and 457 transitions. [2022-09-16 11:31:55,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 436 flow [2022-09-16 11:31:55,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 145 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:31:55,135 INFO L231 Difference]: Finished difference. Result has 133 places, 125 transitions, 336 flow [2022-09-16 11:31:55,136 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=336, PETRI_PLACES=133, PETRI_TRANSITIONS=125} [2022-09-16 11:31:55,136 INFO L287 CegarLoopForPetriNet]: 130 programPoint places, 3 predicate places. [2022-09-16 11:31:55,137 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 125 transitions, 336 flow [2022-09-16 11:31:55,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-09-16 11:31:55,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:55,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:55,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:31:55,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:55,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:55,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1001653051, now seen corresponding path program 1 times [2022-09-16 11:31:55,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:55,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013034383] [2022-09-16 11:31:55,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:55,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:55,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:55,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013034383] [2022-09-16 11:31:55,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013034383] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:55,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:55,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:55,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637401147] [2022-09-16 11:31:55,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:55,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:55,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:55,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:55,252 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125 [2022-09-16 11:31:55,252 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 125 transitions, 336 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-09-16 11:31:55,253 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:55,253 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125 [2022-09-16 11:31:55,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:55,506 INFO L130 PetriNetUnfolder]: 282/1176 cut-off events. [2022-09-16 11:31:55,506 INFO L131 PetriNetUnfolder]: For 638/638 co-relation queries the response was YES. [2022-09-16 11:31:55,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2004 conditions, 1176 events. 282/1176 cut-off events. For 638/638 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 8289 event pairs, 136 based on Foata normal form. 70/1179 useless extension candidates. Maximal degree in co-relation 1946. Up to 316 conditions per place. [2022-09-16 11:31:55,516 INFO L137 encePairwiseOnDemand]: 118/125 looper letters, 25 selfloop transitions, 4 changer transitions 0/128 dead transitions. [2022-09-16 11:31:55,516 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 128 transitions, 374 flow [2022-09-16 11:31:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 440 transitions. [2022-09-16 11:31:55,518 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.88 [2022-09-16 11:31:55,518 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 440 transitions. [2022-09-16 11:31:55,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 440 transitions. [2022-09-16 11:31:55,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:55,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 440 transitions. [2022-09-16 11:31:55,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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) [2022-09-16 11:31:55,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 states have internal predecessors, (625), 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) [2022-09-16 11:31:55,521 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 states have internal predecessors, (625), 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) [2022-09-16 11:31:55,521 INFO L175 Difference]: Start difference. First operand has 133 places, 125 transitions, 336 flow. Second operand 4 states and 440 transitions. [2022-09-16 11:31:55,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 128 transitions, 374 flow [2022-09-16 11:31:55,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 128 transitions, 356 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:55,527 INFO L231 Difference]: Finished difference. Result has 130 places, 119 transitions, 284 flow [2022-09-16 11:31:55,527 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=284, PETRI_PLACES=130, PETRI_TRANSITIONS=119} [2022-09-16 11:31:55,528 INFO L287 CegarLoopForPetriNet]: 130 programPoint places, 0 predicate places. [2022-09-16 11:31:55,528 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 119 transitions, 284 flow [2022-09-16 11:31:55,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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) [2022-09-16 11:31:55,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:55,529 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:55,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:31:55,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:55,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:55,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1842613057, now seen corresponding path program 1 times [2022-09-16 11:31:55,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:55,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210539947] [2022-09-16 11:31:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:55,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:55,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:55,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210539947] [2022-09-16 11:31:55,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210539947] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:55,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:55,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:31:55,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520711827] [2022-09-16 11:31:55,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:55,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:31:55,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:55,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:31:55,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:31:55,648 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 125 [2022-09-16 11:31:55,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 119 transitions, 284 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2022-09-16 11:31:55,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:55,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 125 [2022-09-16 11:31:55,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:55,831 INFO L130 PetriNetUnfolder]: 273/1077 cut-off events. [2022-09-16 11:31:55,832 INFO L131 PetriNetUnfolder]: For 396/396 co-relation queries the response was YES. [2022-09-16 11:31:55,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1813 conditions, 1077 events. 273/1077 cut-off events. For 396/396 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7402 event pairs, 102 based on Foata normal form. 12/1036 useless extension candidates. Maximal degree in co-relation 1756. Up to 199 conditions per place. [2022-09-16 11:31:55,837 INFO L137 encePairwiseOnDemand]: 118/125 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2022-09-16 11:31:55,837 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 133 transitions, 374 flow [2022-09-16 11:31:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:31:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:31:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 547 transitions. [2022-09-16 11:31:55,839 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8752 [2022-09-16 11:31:55,839 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 547 transitions. [2022-09-16 11:31:55,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 547 transitions. [2022-09-16 11:31:55,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:55,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 547 transitions. [2022-09-16 11:31:55,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 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) [2022-09-16 11:31:55,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2022-09-16 11:31:55,843 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2022-09-16 11:31:55,843 INFO L175 Difference]: Start difference. First operand has 130 places, 119 transitions, 284 flow. Second operand 5 states and 547 transitions. [2022-09-16 11:31:55,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 133 transitions, 374 flow [2022-09-16 11:31:55,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 133 transitions, 359 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:31:55,846 INFO L231 Difference]: Finished difference. Result has 127 places, 0 transitions, 0 flow [2022-09-16 11:31:55,846 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=127, PETRI_TRANSITIONS=0} [2022-09-16 11:31:55,848 INFO L287 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2022-09-16 11:31:55,849 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 0 transitions, 0 flow [2022-09-16 11:31:55,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2022-09-16 11:31:55,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:31:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:31:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:31:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:31:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:31:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:31:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:31:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:31:55,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:31:55,858 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:31:55,864 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:31:55,865 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:31:55,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:31:55 BasicIcfg [2022-09-16 11:31:55,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:31:55,874 INFO L158 Benchmark]: Toolchain (without parser) took 4357.16ms. Allocated memory was 173.0MB in the beginning and 268.4MB in the end (delta: 95.4MB). Free memory was 116.4MB in the beginning and 89.5MB in the end (delta: 26.9MB). Peak memory consumption was 123.2MB. Max. memory is 8.0GB. [2022-09-16 11:31:55,874 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 173.0MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:31:55,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.96ms. Allocated memory was 173.0MB in the beginning and 216.0MB in the end (delta: 43.0MB). Free memory was 151.3MB in the beginning and 177.1MB in the end (delta: -25.8MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2022-09-16 11:31:55,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.37ms. Allocated memory is still 216.0MB. Free memory was 177.1MB in the beginning and 173.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:55,875 INFO L158 Benchmark]: Boogie Preprocessor took 43.44ms. Allocated memory is still 216.0MB. Free memory was 173.9MB in the beginning and 171.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:55,876 INFO L158 Benchmark]: RCFGBuilder took 1293.71ms. Allocated memory is still 216.0MB. Free memory was 171.9MB in the beginning and 144.6MB in the end (delta: 27.3MB). Peak memory consumption was 68.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:55,878 INFO L158 Benchmark]: TraceAbstraction took 2326.69ms. Allocated memory was 216.0MB in the beginning and 268.4MB in the end (delta: 52.4MB). Free memory was 144.1MB in the beginning and 89.5MB in the end (delta: 54.6MB). Peak memory consumption was 107.0MB. Max. memory is 8.0GB. [2022-09-16 11:31:55,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 173.0MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 595.96ms. Allocated memory was 173.0MB in the beginning and 216.0MB in the end (delta: 43.0MB). Free memory was 151.3MB in the beginning and 177.1MB in the end (delta: -25.8MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 81.37ms. Allocated memory is still 216.0MB. Free memory was 177.1MB in the beginning and 173.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.44ms. Allocated memory is still 216.0MB. Free memory was 173.9MB in the beginning and 171.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1293.71ms. Allocated memory is still 216.0MB. Free memory was 171.9MB in the beginning and 144.6MB in the end (delta: 27.3MB). Peak memory consumption was 68.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2326.69ms. Allocated memory was 216.0MB in the beginning and 268.4MB in the end (delta: 52.4MB). Free memory was 144.1MB in the beginning and 89.5MB in the end (delta: 54.6MB). Peak memory consumption was 107.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 160 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:31:55,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...