./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e0bd33ffca0122f84e298c52bb9fdae01e72661c94f68aaa49ed0f187d88b87 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 05:26:25,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:26:25,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:26:25,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:26:25,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:26:25,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:26:25,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:26:25,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:26:25,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:26:25,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:26:25,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:26:25,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:26:25,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:26:25,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:26:25,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:26:25,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:26:25,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:26:25,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:26:25,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:26:25,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:26:25,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:26:25,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:26:25,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:26:25,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:26:25,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:26:25,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:26:25,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:26:25,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:26:25,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:26:25,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:26:25,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:26:25,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:26:25,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:26:25,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:26:25,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:26:25,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:26:25,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:26:25,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:26:25,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:26:25,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:26:25,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:26:25,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:26:25,416 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:26:25,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:26:25,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:26:25,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:26:25,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:26:25,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:26:25,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:26:25,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:26:25,419 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:26:25,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:26:25,420 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:26:25,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:26:25,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:26:25,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:26:25,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:26:25,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:26:25,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:26:25,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:26:25,421 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:26:25,422 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:26:25,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:26:25,422 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:26:25,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:26:25,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:26:25,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:26:25,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:26:25,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:26:25,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:26:25,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:26:25,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:26:25,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:26:25,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:26:25,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:26:25,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:26:25,425 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:26:25,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:26:25,425 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:26:25,426 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e0bd33ffca0122f84e298c52bb9fdae01e72661c94f68aaa49ed0f187d88b87 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:26:25,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:26:25,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:26:25,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:26:25,748 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:26:25,748 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:26:25,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-09-01 05:26:26,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:26:27,087 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:26:27,088 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-09-01 05:26:27,112 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff17048d4/0e400065a982409da4a5216f13f27ed4/FLAGfe26c9f62 [2023-09-01 05:26:27,130 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff17048d4/0e400065a982409da4a5216f13f27ed4 [2023-09-01 05:26:27,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:26:27,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:26:27,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:26:27,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:26:27,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:26:27,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71594713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27, skipping insertion in model container [2023-09-01 05:26:27,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:26:27,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:26:27,354 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2023-09-01 05:26:27,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:26:27,604 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:26:27,615 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2023-09-01 05:26:27,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:26:27,725 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:26:27,725 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:26:27,731 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:26:27,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27 WrapperNode [2023-09-01 05:26:27,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:26:27,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:26:27,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:26:27,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:26:27,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,802 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2023-09-01 05:26:27,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:26:27,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:26:27,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:26:27,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:26:27,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:26:27,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:26:27,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:26:27,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:26:27,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (1/1) ... [2023-09-01 05:26:27,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:26:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:26:27,883 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) [2023-09-01 05:26:27,895 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 [2023-09-01 05:26:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:26:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:26:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:26:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:26:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:26:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-01 05:26:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-01 05:26:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-01 05:26:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-01 05:26:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-01 05:26:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-01 05:26:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:26:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:26:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:26:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:26:27,926 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 05:26:28,115 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:26:28,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:26:28,423 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:26:28,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:26:28,619 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:26:28,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:26:28 BoogieIcfgContainer [2023-09-01 05:26:28,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:26:28,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:26:28,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:26:28,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:26:28,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:26:27" (1/3) ... [2023-09-01 05:26:28,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4542a880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:26:28, skipping insertion in model container [2023-09-01 05:26:28,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:26:27" (2/3) ... [2023-09-01 05:26:28,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4542a880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:26:28, skipping insertion in model container [2023-09-01 05:26:28,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:26:28" (3/3) ... [2023-09-01 05:26:28,630 INFO L112 eAbstractionObserver]: Analyzing ICFG safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-09-01 05:26:28,637 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:26:28,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:26:28,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-01 05:26:28,647 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:26:28,705 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-01 05:26:28,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2023-09-01 05:26:28,802 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-09-01 05:26:28,802 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:26:28,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-09-01 05:26:28,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 111 transitions, 237 flow [2023-09-01 05:26:28,811 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 108 transitions, 225 flow [2023-09-01 05:26:28,818 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:26:28,830 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 108 transitions, 225 flow [2023-09-01 05:26:28,833 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 108 transitions, 225 flow [2023-09-01 05:26:28,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 108 transitions, 225 flow [2023-09-01 05:26:28,881 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-09-01 05:26:28,882 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:26:28,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-09-01 05:26:28,886 INFO L119 LiptonReduction]: Number of co-enabled transitions 2360 [2023-09-01 05:26:32,335 INFO L134 LiptonReduction]: Checked pairs total: 8792 [2023-09-01 05:26:32,335 INFO L136 LiptonReduction]: Total number of compositions: 89 [2023-09-01 05:26:32,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:26:32,353 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=true, 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;@5bdcfdc9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:26:32,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-01 05:26:32,356 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-09-01 05:26:32,356 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:26:32,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:26:32,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:26:32,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:26:32,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:26:32,362 INFO L85 PathProgramCache]: Analyzing trace with hash 535515155, now seen corresponding path program 1 times [2023-09-01 05:26:32,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:26:32,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160173699] [2023-09-01 05:26:32,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:26:32,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:26:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:26:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:26:32,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:26:32,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160173699] [2023-09-01 05:26:32,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160173699] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:26:32,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:26:32,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:26:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188407228] [2023-09-01 05:26:32,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:26:32,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:26:32,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:26:32,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:26:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:26:32,738 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 200 [2023-09-01 05:26:32,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2023-09-01 05:26:32,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:26:32,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 200 [2023-09-01 05:26:32,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:26:33,158 INFO L130 PetriNetUnfolder]: 1445/2287 cut-off events. [2023-09-01 05:26:33,159 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2023-09-01 05:26:33,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4636 conditions, 2287 events. 1445/2287 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 11105 event pairs, 606 based on Foata normal form. 158/1868 useless extension candidates. Maximal degree in co-relation 4625. Up to 1956 conditions per place. [2023-09-01 05:26:33,174 INFO L137 encePairwiseOnDemand]: 188/200 looper letters, 40 selfloop transitions, 4 changer transitions 0/45 dead transitions. [2023-09-01 05:26:33,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 45 transitions, 193 flow [2023-09-01 05:26:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:26:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:26:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2023-09-01 05:26:33,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5233333333333333 [2023-09-01 05:26:33,185 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 314 transitions. [2023-09-01 05:26:33,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions. [2023-09-01 05:26:33,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:26:33,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions. [2023-09-01 05:26:33,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-09-01 05:26:33,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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) [2023-09-01 05:26:33,195 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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) [2023-09-01 05:26:33,197 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 69 flow. Second operand 3 states and 314 transitions. [2023-09-01 05:26:33,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 45 transitions, 193 flow [2023-09-01 05:26:33,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 45 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:26:33,201 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 102 flow [2023-09-01 05:26:33,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=39, PETRI_TRANSITIONS=32} [2023-09-01 05:26:33,206 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2023-09-01 05:26:33,206 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 102 flow [2023-09-01 05:26:33,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2023-09-01 05:26:33,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:26:33,207 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:26:33,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:26:33,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:26:33,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:26:33,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1467380234, now seen corresponding path program 1 times [2023-09-01 05:26:33,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:26:33,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845041121] [2023-09-01 05:26:33,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:26:33,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:26:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:26:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:26:33,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:26:33,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845041121] [2023-09-01 05:26:33,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845041121] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:26:33,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:26:33,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:26:33,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927725855] [2023-09-01 05:26:33,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:26:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:26:33,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:26:33,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:26:33,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:26:33,384 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 200 [2023-09-01 05:26:33,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2023-09-01 05:26:33,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:26:33,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 200 [2023-09-01 05:26:33,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:26:33,676 INFO L130 PetriNetUnfolder]: 1085/1719 cut-off events. [2023-09-01 05:26:33,676 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2023-09-01 05:26:33,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4147 conditions, 1719 events. 1085/1719 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 7843 event pairs, 398 based on Foata normal form. 0/1517 useless extension candidates. Maximal degree in co-relation 4136. Up to 1387 conditions per place. [2023-09-01 05:26:33,687 INFO L137 encePairwiseOnDemand]: 193/200 looper letters, 37 selfloop transitions, 4 changer transitions 0/42 dead transitions. [2023-09-01 05:26:33,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 202 flow [2023-09-01 05:26:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:26:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:26:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 392 transitions. [2023-09-01 05:26:33,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49 [2023-09-01 05:26:33,694 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 392 transitions. [2023-09-01 05:26:33,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 392 transitions. [2023-09-01 05:26:33,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:26:33,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 392 transitions. [2023-09-01 05:26:33,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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) [2023-09-01 05:26:33,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2023-09-01 05:26:33,701 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2023-09-01 05:26:33,701 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 102 flow. Second operand 4 states and 392 transitions. [2023-09-01 05:26:33,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 202 flow [2023-09-01 05:26:33,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 42 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:26:33,704 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 94 flow [2023-09-01 05:26:33,704 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2023-09-01 05:26:33,705 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2023-09-01 05:26:33,705 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 94 flow [2023-09-01 05:26:33,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2023-09-01 05:26:33,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:26:33,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:26:33,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:26:33,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:26:33,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:26:33,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1467380233, now seen corresponding path program 1 times [2023-09-01 05:26:33,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:26:33,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551167359] [2023-09-01 05:26:33,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:26:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:26:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:26:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:26:33,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:26:33,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551167359] [2023-09-01 05:26:33,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551167359] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:26:33,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:26:33,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:26:33,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646013312] [2023-09-01 05:26:33,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:26:33,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:26:33,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:26:33,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:26:33,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:26:33,874 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 200 [2023-09-01 05:26:33,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2023-09-01 05:26:33,875 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:26:33,875 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 200 [2023-09-01 05:26:33,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:26:34,075 INFO L130 PetriNetUnfolder]: 494/818 cut-off events. [2023-09-01 05:26:34,075 INFO L131 PetriNetUnfolder]: For 227/227 co-relation queries the response was YES. [2023-09-01 05:26:34,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1982 conditions, 818 events. 494/818 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3272 event pairs, 212 based on Foata normal form. 39/827 useless extension candidates. Maximal degree in co-relation 1970. Up to 323 conditions per place. [2023-09-01 05:26:34,080 INFO L137 encePairwiseOnDemand]: 192/200 looper letters, 45 selfloop transitions, 7 changer transitions 3/56 dead transitions. [2023-09-01 05:26:34,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 56 transitions, 270 flow [2023-09-01 05:26:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:26:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:26:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 407 transitions. [2023-09-01 05:26:34,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.50875 [2023-09-01 05:26:34,082 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 407 transitions. [2023-09-01 05:26:34,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 407 transitions. [2023-09-01 05:26:34,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:26:34,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 407 transitions. [2023-09-01 05:26:34,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 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) [2023-09-01 05:26:34,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2023-09-01 05:26:34,086 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2023-09-01 05:26:34,086 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 94 flow. Second operand 4 states and 407 transitions. [2023-09-01 05:26:34,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 56 transitions, 270 flow [2023-09-01 05:26:34,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 56 transitions, 265 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 05:26:34,088 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 117 flow [2023-09-01 05:26:34,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=117, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2023-09-01 05:26:34,089 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2023-09-01 05:26:34,089 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 117 flow [2023-09-01 05:26:34,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2023-09-01 05:26:34,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:26:34,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:26:34,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:26:34,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:26:34,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:26:34,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1633029259, now seen corresponding path program 1 times [2023-09-01 05:26:34,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:26:34,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010164206] [2023-09-01 05:26:34,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:26:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:26:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:26:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:26:34,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:26:34,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010164206] [2023-09-01 05:26:34,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010164206] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:26:34,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:26:34,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:26:34,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15095020] [2023-09-01 05:26:34,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:26:34,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:26:34,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:26:34,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:26:34,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:26:34,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 200 [2023-09-01 05:26:34,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 90.4) internal successors, (452), 5 states have internal predecessors, (452), 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) [2023-09-01 05:26:34,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:26:34,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 200 [2023-09-01 05:26:34,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:26:34,368 INFO L130 PetriNetUnfolder]: 430/686 cut-off events. [2023-09-01 05:26:34,368 INFO L131 PetriNetUnfolder]: For 471/471 co-relation queries the response was YES. [2023-09-01 05:26:34,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 686 events. 430/686 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2684 event pairs, 196 based on Foata normal form. 17/691 useless extension candidates. Maximal degree in co-relation 1847. Up to 323 conditions per place. [2023-09-01 05:26:34,371 INFO L137 encePairwiseOnDemand]: 192/200 looper letters, 0 selfloop transitions, 0 changer transitions 46/46 dead transitions. [2023-09-01 05:26:34,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 46 transitions, 231 flow [2023-09-01 05:26:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:26:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:26:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 484 transitions. [2023-09-01 05:26:34,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.484 [2023-09-01 05:26:34,373 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 484 transitions. [2023-09-01 05:26:34,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 484 transitions. [2023-09-01 05:26:34,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:26:34,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 484 transitions. [2023-09-01 05:26:34,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 96.8) internal successors, (484), 5 states have internal predecessors, (484), 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) [2023-09-01 05:26:34,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 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) [2023-09-01 05:26:34,377 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 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) [2023-09-01 05:26:34,378 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 117 flow. Second operand 5 states and 484 transitions. [2023-09-01 05:26:34,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 46 transitions, 231 flow [2023-09-01 05:26:34,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 46 transitions, 207 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-09-01 05:26:34,380 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-09-01 05:26:34,380 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-09-01 05:26:34,381 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -6 predicate places. [2023-09-01 05:26:34,381 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-09-01 05:26:34,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.4) internal successors, (452), 5 states have internal predecessors, (452), 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) [2023-09-01 05:26:34,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-09-01 05:26:34,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-09-01 05:26:34,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-09-01 05:26:34,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-09-01 05:26:34,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-09-01 05:26:34,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-09-01 05:26:34,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-09-01 05:26:34,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-09-01 05:26:34,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-09-01 05:26:34,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-09-01 05:26:34,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-09-01 05:26:34,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-09-01 05:26:34,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-09-01 05:26:34,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-09-01 05:26:34,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-09-01 05:26:34,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:26:34,388 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-01 05:26:34,392 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:26:34,392 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:26:34,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:26:34 BasicIcfg [2023-09-01 05:26:34,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:26:34,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:26:34,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:26:34,396 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:26:34,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:26:28" (3/4) ... [2023-09-01 05:26:34,398 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:26:34,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-09-01 05:26:34,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-09-01 05:26:34,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-09-01 05:26:34,406 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-09-01 05:26:34,406 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-09-01 05:26:34,407 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:26:34,407 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:26:34,437 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:26:34,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:26:34,438 INFO L158 Benchmark]: Toolchain (without parser) took 7303.34ms. Allocated memory was 79.7MB in the beginning and 172.0MB in the end (delta: 92.3MB). Free memory was 55.0MB in the beginning and 80.9MB in the end (delta: -25.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2023-09-01 05:26:34,438 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:26:34,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.88ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 50.6MB in the end (delta: 4.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-09-01 05:26:34,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.02ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:26:34,439 INFO L158 Benchmark]: Boogie Preprocessor took 25.92ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:26:34,440 INFO L158 Benchmark]: RCFGBuilder took 791.66ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 61.7MB in the end (delta: -16.0MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-09-01 05:26:34,440 INFO L158 Benchmark]: TraceAbstraction took 5771.34ms. Allocated memory was 96.5MB in the beginning and 172.0MB in the end (delta: 75.5MB). Free memory was 61.1MB in the beginning and 84.1MB in the end (delta: -23.0MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-09-01 05:26:34,440 INFO L158 Benchmark]: Witness Printer took 42.02ms. Allocated memory is still 172.0MB. Free memory was 84.1MB in the beginning and 80.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:26:34,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.88ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 50.6MB in the end (delta: 4.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.02ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.92ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 791.66ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 61.7MB in the end (delta: -16.0MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5771.34ms. Allocated memory was 96.5MB in the beginning and 172.0MB in the end (delta: 75.5MB). Free memory was 61.1MB in the beginning and 84.1MB in the end (delta: -23.0MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Witness Printer took 42.02ms. Allocated memory is still 172.0MB. Free memory was 84.1MB in the beginning and 80.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 116 PlacesBefore, 39 PlacesAfterwards, 108 TransitionsBefore, 30 TransitionsAfterwards, 2360 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 8792 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3126, independent: 2842, independent conditional: 0, independent unconditional: 2842, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1249, independent: 1195, independent conditional: 0, independent unconditional: 1195, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3126, independent: 1647, independent conditional: 0, independent unconditional: 1647, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 1249, unknown conditional: 0, unknown unconditional: 1249] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: 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, 143 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: 5.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 5 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, 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, 0.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 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! [2023-09-01 05:26:34,464 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE