/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/mix010.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:31:46,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:31:46,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:31:46,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:31:46,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:31:46,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:31:46,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:31:46,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:31:46,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:31:46,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:31:46,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:31:46,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:31:46,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:31:46,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:31:46,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:31:46,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:31:46,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:31:46,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:31:46,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:31:46,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:31:46,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:31:46,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:31:46,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:31:46,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:31:46,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 11:31:46,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:31:46,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:31:46,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:31:46,952 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 11:31:46,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:31:46,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:31:46,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:31:46,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:31:46,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:31:46,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:31:46,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:31:46,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:31:46,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:46,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:31:46,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:31:46,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:31:46,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:31:46,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:31:46,974 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:31:46,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:31:46,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:31:47,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:31:47,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:31:47,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:31:47,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:31:47,196 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:31:47,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix010.oepc.i [2022-09-16 11:31:47,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea2d0880/5ff8cb6dbce544b691c0a65f26a32a29/FLAGe077e516b [2022-09-16 11:31:47,672 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:31:47,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010.oepc.i [2022-09-16 11:31:47,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea2d0880/5ff8cb6dbce544b691c0a65f26a32a29/FLAGe077e516b [2022-09-16 11:31:48,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea2d0880/5ff8cb6dbce544b691c0a65f26a32a29 [2022-09-16 11:31:48,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:31:48,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:31:48,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:48,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:31:48,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:31:48,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a345a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48, skipping insertion in model container [2022-09-16 11:31:48,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:31:48,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:31:48,228 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/mix010.oepc.i[945,958] [2022-09-16 11:31:48,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:48,420 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:31:48,429 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/mix010.oepc.i[945,958] [2022-09-16 11:31:48,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:48,486 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:31:48,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48 WrapperNode [2022-09-16 11:31:48,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:48,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:48,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:31:48,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:31:48,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,529 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2022-09-16 11:31:48,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:48,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:31:48,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:31:48,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:31:48,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:31:48,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:31:48,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:31:48,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:31:48,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (1/1) ... [2022-09-16 11:31:48,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:48,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:31:48,618 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 11:31:48,624 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 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:31:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:31:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:31:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:31:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:31:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:31:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:31:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:31:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:31:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:31:48,647 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 11:31:48,737 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:31:48,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:31:49,162 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:31:49,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:31:49,458 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:31:49,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:49 BoogieIcfgContainer [2022-09-16 11:31:49,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:31:49,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:31:49,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:31:49,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:31:49,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:31:48" (1/3) ... [2022-09-16 11:31:49,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276b20b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:49, skipping insertion in model container [2022-09-16 11:31:49,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:48" (2/3) ... [2022-09-16 11:31:49,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276b20b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:49, skipping insertion in model container [2022-09-16 11:31:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:49" (3/3) ... [2022-09-16 11:31:49,468 INFO L112 eAbstractionObserver]: Analyzing ICFG mix010.oepc.i [2022-09-16 11:31:49,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:31:49,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:31:49,480 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:31:49,536 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:31:49,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 126 transitions, 267 flow [2022-09-16 11:31:49,624 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-09-16 11:31:49,625 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:49,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 83 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-09-16 11:31:49,628 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 126 transitions, 267 flow [2022-09-16 11:31:49,632 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 123 transitions, 255 flow [2022-09-16 11:31:49,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:31:49,649 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;@433451d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:31:49,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:31:49,660 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-09-16 11:31:49,660 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:49,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:49,661 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] [2022-09-16 11:31:49,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:49,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:49,665 INFO L85 PathProgramCache]: Analyzing trace with hash 261476416, now seen corresponding path program 1 times [2022-09-16 11:31:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:49,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184934821] [2022-09-16 11:31:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:49,929 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 11:31:49,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:49,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184934821] [2022-09-16 11:31:49,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184934821] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:49,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:49,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:31:49,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765278394] [2022-09-16 11:31:49,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:49,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:31:49,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:49,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:31:49,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:31:49,966 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 126 [2022-09-16 11:31:49,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 11:31:49,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:49,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 126 [2022-09-16 11:31:49,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:50,295 INFO L130 PetriNetUnfolder]: 521/1304 cut-off events. [2022-09-16 11:31:50,296 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-09-16 11:31:50,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 1304 events. 521/1304 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8912 event pairs, 148 based on Foata normal form. 51/1070 useless extension candidates. Maximal degree in co-relation 2131. Up to 682 conditions per place. [2022-09-16 11:31:50,310 INFO L137 encePairwiseOnDemand]: 114/126 looper letters, 28 selfloop transitions, 4 changer transitions 0/132 dead transitions. [2022-09-16 11:31:50,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 132 transitions, 343 flow [2022-09-16 11:31:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:31:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:31:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-09-16 11:31:50,324 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9285714285714286 [2022-09-16 11:31:50,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-09-16 11:31:50,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-09-16 11:31:50,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:50,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-09-16 11:31:50,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 11:31:50,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 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 11:31:50,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 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 11:31:50,340 INFO L175 Difference]: Start difference. First operand has 131 places, 123 transitions, 255 flow. Second operand 3 states and 351 transitions. [2022-09-16 11:31:50,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 132 transitions, 343 flow [2022-09-16 11:31:50,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 132 transitions, 338 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:50,346 INFO L231 Difference]: Finished difference. Result has 130 places, 123 transitions, 282 flow [2022-09-16 11:31:50,348 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=130, PETRI_TRANSITIONS=123} [2022-09-16 11:31:50,351 INFO L287 CegarLoopForPetriNet]: 131 programPoint places, -1 predicate places. [2022-09-16 11:31:50,351 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 123 transitions, 282 flow [2022-09-16 11:31:50,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 11:31:50,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:50,352 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] [2022-09-16 11:31:50,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:31:50,353 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 11:31:50,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:50,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1156618047, now seen corresponding path program 1 times [2022-09-16 11:31:50,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:50,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300206347] [2022-09-16 11:31:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:50,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:50,480 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 11:31:50,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:50,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300206347] [2022-09-16 11:31:50,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300206347] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:50,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:50,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:50,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951784813] [2022-09-16 11:31:50,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:50,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:50,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:50,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:50,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:50,484 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 126 [2022-09-16 11:31:50,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 123 transitions, 282 flow. Second operand has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 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 11:31:50,485 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:50,485 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 126 [2022-09-16 11:31:50,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:50,722 INFO L130 PetriNetUnfolder]: 391/1176 cut-off events. [2022-09-16 11:31:50,722 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2022-09-16 11:31:50,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2158 conditions, 1176 events. 391/1176 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7919 event pairs, 143 based on Foata normal form. 0/1015 useless extension candidates. Maximal degree in co-relation 2102. Up to 351 conditions per place. [2022-09-16 11:31:50,729 INFO L137 encePairwiseOnDemand]: 116/126 looper letters, 33 selfloop transitions, 10 changer transitions 3/146 dead transitions. [2022-09-16 11:31:50,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 146 transitions, 438 flow [2022-09-16 11:31:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 461 transitions. [2022-09-16 11:31:50,731 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9146825396825397 [2022-09-16 11:31:50,731 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 461 transitions. [2022-09-16 11:31:50,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 461 transitions. [2022-09-16 11:31:50,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:50,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 461 transitions. [2022-09-16 11:31:50,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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 11:31:50,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 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 11:31:50,734 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 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 11:31:50,735 INFO L175 Difference]: Start difference. First operand has 130 places, 123 transitions, 282 flow. Second operand 4 states and 461 transitions. [2022-09-16 11:31:50,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 146 transitions, 438 flow [2022-09-16 11:31:50,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 146 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:31:50,738 INFO L231 Difference]: Finished difference. Result has 134 places, 126 transitions, 338 flow [2022-09-16 11:31:50,738 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=338, PETRI_PLACES=134, PETRI_TRANSITIONS=126} [2022-09-16 11:31:50,738 INFO L287 CegarLoopForPetriNet]: 131 programPoint places, 3 predicate places. [2022-09-16 11:31:50,738 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 126 transitions, 338 flow [2022-09-16 11:31:50,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 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 11:31:50,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:50,739 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] [2022-09-16 11:31:50,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:31:50,739 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 11:31:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:50,740 INFO L85 PathProgramCache]: Analyzing trace with hash 195430298, now seen corresponding path program 1 times [2022-09-16 11:31:50,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:50,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500504907] [2022-09-16 11:31:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:50,790 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 11:31:50,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:50,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500504907] [2022-09-16 11:31:50,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500504907] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:50,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:50,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:50,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073930525] [2022-09-16 11:31:50,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:50,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:50,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:50,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:50,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:50,793 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 126 [2022-09-16 11:31:50,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 126 transitions, 338 flow. Second operand has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 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 11:31:50,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:50,793 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 126 [2022-09-16 11:31:50,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:50,948 INFO L130 PetriNetUnfolder]: 283/888 cut-off events. [2022-09-16 11:31:50,948 INFO L131 PetriNetUnfolder]: For 403/403 co-relation queries the response was YES. [2022-09-16 11:31:50,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1686 conditions, 888 events. 283/888 cut-off events. For 403/403 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5591 event pairs, 91 based on Foata normal form. 59/896 useless extension candidates. Maximal degree in co-relation 1627. Up to 295 conditions per place. [2022-09-16 11:31:50,955 INFO L137 encePairwiseOnDemand]: 119/126 looper letters, 25 selfloop transitions, 4 changer transitions 0/129 dead transitions. [2022-09-16 11:31:50,955 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 129 transitions, 376 flow [2022-09-16 11:31:50,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 444 transitions. [2022-09-16 11:31:50,956 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2022-09-16 11:31:50,956 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 444 transitions. [2022-09-16 11:31:50,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 444 transitions. [2022-09-16 11:31:50,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:50,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 444 transitions. [2022-09-16 11:31:50,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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 11:31:50,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 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 11:31:50,959 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 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 11:31:50,959 INFO L175 Difference]: Start difference. First operand has 134 places, 126 transitions, 338 flow. Second operand 4 states and 444 transitions. [2022-09-16 11:31:50,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 129 transitions, 376 flow [2022-09-16 11:31:50,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 129 transitions, 358 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:50,964 INFO L231 Difference]: Finished difference. Result has 131 places, 120 transitions, 286 flow [2022-09-16 11:31:50,965 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=286, PETRI_PLACES=131, PETRI_TRANSITIONS=120} [2022-09-16 11:31:50,965 INFO L287 CegarLoopForPetriNet]: 131 programPoint places, 0 predicate places. [2022-09-16 11:31:50,965 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 120 transitions, 286 flow [2022-09-16 11:31:50,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 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 11:31:50,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:50,966 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, 1] [2022-09-16 11:31:50,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:31:50,966 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 11:31:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:50,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1819506581, now seen corresponding path program 1 times [2022-09-16 11:31:50,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:50,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33396398] [2022-09-16 11:31:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:51,034 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 11:31:51,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:51,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33396398] [2022-09-16 11:31:51,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33396398] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:51,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:51,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:31:51,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20722245] [2022-09-16 11:31:51,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:51,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:31:51,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:51,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:31:51,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:31:51,036 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 126 [2022-09-16 11:31:51,037 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 120 transitions, 286 flow. Second operand has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 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 11:31:51,037 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:51,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 126 [2022-09-16 11:31:51,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:51,202 INFO L130 PetriNetUnfolder]: 277/873 cut-off events. [2022-09-16 11:31:51,203 INFO L131 PetriNetUnfolder]: For 312/312 co-relation queries the response was YES. [2022-09-16 11:31:51,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 873 events. 277/873 cut-off events. For 312/312 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5441 event pairs, 91 based on Foata normal form. 9/838 useless extension candidates. Maximal degree in co-relation 1548. Up to 198 conditions per place. [2022-09-16 11:31:51,205 INFO L137 encePairwiseOnDemand]: 119/126 looper letters, 0 selfloop transitions, 0 changer transitions 134/134 dead transitions. [2022-09-16 11:31:51,205 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 134 transitions, 376 flow [2022-09-16 11:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:31:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:31:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 552 transitions. [2022-09-16 11:31:51,207 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8761904761904762 [2022-09-16 11:31:51,207 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 552 transitions. [2022-09-16 11:31:51,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 552 transitions. [2022-09-16 11:31:51,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:51,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 552 transitions. [2022-09-16 11:31:51,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 110.4) internal successors, (552), 5 states have internal predecessors, (552), 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 11:31:51,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 126.0) internal successors, (756), 6 states have internal predecessors, (756), 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 11:31:51,210 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 126.0) internal successors, (756), 6 states have internal predecessors, (756), 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 11:31:51,210 INFO L175 Difference]: Start difference. First operand has 131 places, 120 transitions, 286 flow. Second operand 5 states and 552 transitions. [2022-09-16 11:31:51,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 134 transitions, 376 flow [2022-09-16 11:31:51,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 134 transitions, 361 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:31:51,212 INFO L231 Difference]: Finished difference. Result has 128 places, 0 transitions, 0 flow [2022-09-16 11:31:51,212 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=128, PETRI_TRANSITIONS=0} [2022-09-16 11:31:51,213 INFO L287 CegarLoopForPetriNet]: 131 programPoint places, -3 predicate places. [2022-09-16 11:31:51,213 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 0 transitions, 0 flow [2022-09-16 11:31:51,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 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 11:31:51,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:31:51,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:31:51,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:31:51,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:31:51,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:31:51,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:31:51,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:31:51,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:31:51,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:31:51,217 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:31:51,221 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:31:51,221 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:31:51,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:31:51 BasicIcfg [2022-09-16 11:31:51,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:31:51,226 INFO L158 Benchmark]: Toolchain (without parser) took 3170.33ms. Allocated memory was 175.1MB in the beginning and 328.2MB in the end (delta: 153.1MB). Free memory was 141.2MB in the beginning and 280.1MB in the end (delta: -138.8MB). Peak memory consumption was 194.5MB. Max. memory is 8.0GB. [2022-09-16 11:31:51,226 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:31:51,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.06ms. Allocated memory is still 175.1MB. Free memory was 141.2MB in the beginning and 131.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-09-16 11:31:51,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.02ms. Allocated memory is still 175.1MB. Free memory was 131.2MB in the beginning and 128.4MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:51,227 INFO L158 Benchmark]: Boogie Preprocessor took 41.33ms. Allocated memory is still 175.1MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:51,227 INFO L158 Benchmark]: RCFGBuilder took 889.07ms. Allocated memory was 175.1MB in the beginning and 230.7MB in the end (delta: 55.6MB). Free memory was 126.3MB in the beginning and 194.9MB in the end (delta: -68.6MB). Peak memory consumption was 58.0MB. Max. memory is 8.0GB. [2022-09-16 11:31:51,228 INFO L158 Benchmark]: TraceAbstraction took 1762.97ms. Allocated memory was 230.7MB in the beginning and 328.2MB in the end (delta: 97.5MB). Free memory was 193.9MB in the beginning and 280.1MB in the end (delta: -86.2MB). Peak memory consumption was 192.2MB. Max. memory is 8.0GB. [2022-09-16 11:31:51,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.06ms. Allocated memory is still 175.1MB. Free memory was 141.2MB in the beginning and 131.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.02ms. Allocated memory is still 175.1MB. Free memory was 131.2MB in the beginning and 128.4MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.33ms. Allocated memory is still 175.1MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 889.07ms. Allocated memory was 175.1MB in the beginning and 230.7MB in the end (delta: 55.6MB). Free memory was 126.3MB in the beginning and 194.9MB in the end (delta: -68.6MB). Peak memory consumption was 58.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1762.97ms. Allocated memory was 230.7MB in the beginning and 328.2MB in the end (delta: 97.5MB). Free memory was 193.9MB in the beginning and 280.1MB in the end (delta: -86.2MB). Peak memory consumption was 192.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: 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, 161 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: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 173 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=338occurred 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, 0.3s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 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 11:31:51,264 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...