./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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/mix056_power.oepc_pso.oepc_rmo.oepc.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 40cdaf120a3550cc54773a608bdbc3a68dee1334013ab0b4984b9366bf820a3d --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:45:32,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:45:32,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:45:32,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:45:32,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:45:32,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:45:32,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:45:32,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:45:32,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:45:32,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:45:32,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:45:32,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:45:32,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:45:32,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:45:32,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:45:32,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:45:32,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:45:32,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:45:32,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:45:32,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:45:32,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:45:32,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:45:32,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:45:32,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:45:32,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:45:32,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:45:32,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:45:32,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:45:32,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:45:32,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:45:32,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:45:32,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:45:32,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:45:32,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:45:32,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:45:32,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:45:32,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:45:32,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:45:32,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:45:32,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:45:32,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:45:32,967 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:45:33,001 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:45:33,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:45:33,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:45:33,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:45:33,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:45:33,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:45:33,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:45:33,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:45:33,005 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:45:33,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:45:33,006 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:45:33,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:45:33,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:45:33,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:45:33,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:45:33,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:45:33,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:45:33,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:45:33,008 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:45:33,008 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:45:33,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:45:33,008 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:45:33,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:45:33,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:45:33,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:45:33,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:45:33,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:45:33,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:45:33,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:45:33,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:45:33,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:45:33,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:45:33,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:45:33,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:45:33,011 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:45:33,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:45:33,011 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:45:33,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cdaf120a3550cc54773a608bdbc3a68dee1334013ab0b4984b9366bf820a3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:45:33,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:45:33,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:45:33,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:45:33,358 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:45:33,359 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:45:33,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i [2023-08-30 08:45:34,594 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:45:34,881 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:45:34,884 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i [2023-08-30 08:45:34,899 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35a659ee/6d58e03da62043829eeda7234b0e6c50/FLAG39299b6e2 [2023-08-30 08:45:34,910 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35a659ee/6d58e03da62043829eeda7234b0e6c50 [2023-08-30 08:45:34,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:45:34,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:45:34,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:45:34,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:45:34,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:45:34,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:45:34" (1/1) ... [2023-08-30 08:45:34,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5591d9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:34, skipping insertion in model container [2023-08-30 08:45:34,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:45:34" (1/1) ... [2023-08-30 08:45:34,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:45:34,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:45:35,082 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/mix056_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-08-30 08:45:35,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:45:35,338 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:45:35,359 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/mix056_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-08-30 08:45:35,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:45:35,420 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:45:35,421 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:45:35,426 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:45:35,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35 WrapperNode [2023-08-30 08:45:35,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:45:35,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:45:35,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:45:35,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:45:35,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,502 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2023-08-30 08:45:35,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:45:35,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:45:35,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:45:35,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:45:35,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:45:35,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:45:35,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:45:35,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:45:35,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (1/1) ... [2023-08-30 08:45:35,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:45:35,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:45:35,597 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) [2023-08-30 08:45:35,613 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 [2023-08-30 08:45:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:45:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:45:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:45:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:45:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:45:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 08:45:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 08:45:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 08:45:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 08:45:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 08:45:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 08:45:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:45:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:45:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:45:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:45:35,641 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 08:45:35,842 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:45:35,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:45:36,209 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:45:36,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:45:36,347 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:45:36,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:45:36 BoogieIcfgContainer [2023-08-30 08:45:36,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:45:36,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:45:36,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:45:36,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:45:36,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:45:34" (1/3) ... [2023-08-30 08:45:36,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0ce1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:45:36, skipping insertion in model container [2023-08-30 08:45:36,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:45:35" (2/3) ... [2023-08-30 08:45:36,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0ce1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:45:36, skipping insertion in model container [2023-08-30 08:45:36,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:45:36" (3/3) ... [2023-08-30 08:45:36,356 INFO L112 eAbstractionObserver]: Analyzing ICFG mix056_power.oepc_pso.oepc_rmo.oepc.i [2023-08-30 08:45:36,363 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:45:36,370 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:45:36,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 08:45:36,371 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:45:36,432 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 08:45:36,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2023-08-30 08:45:36,511 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-08-30 08:45:36,511 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:45:36,517 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 71 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. [2023-08-30 08:45:36,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 111 transitions, 237 flow [2023-08-30 08:45:36,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 108 transitions, 225 flow [2023-08-30 08:45:36,524 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:45:36,532 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 108 transitions, 225 flow [2023-08-30 08:45:36,535 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 108 transitions, 225 flow [2023-08-30 08:45:36,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 108 transitions, 225 flow [2023-08-30 08:45:36,561 INFO L130 PetriNetUnfolder]: 2/108 cut-off events. [2023-08-30 08:45:36,562 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:45:36,562 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 71 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. [2023-08-30 08:45:36,564 INFO L119 LiptonReduction]: Number of co-enabled transitions 2376 [2023-08-30 08:45:39,606 INFO L134 LiptonReduction]: Checked pairs total: 8837 [2023-08-30 08:45:39,606 INFO L136 LiptonReduction]: Total number of compositions: 87 [2023-08-30 08:45:39,618 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:45:39,623 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;@2cc08ebc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:45:39,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-30 08:45:39,635 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-08-30 08:45:39,635 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:45:39,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:45:39,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 08:45:39,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:45:39,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:45:39,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1647105233, now seen corresponding path program 1 times [2023-08-30 08:45:39,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:45:39,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645923382] [2023-08-30 08:45:39,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:45:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:45:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:45:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:45:39,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:45:39,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645923382] [2023-08-30 08:45:39,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645923382] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:45:39,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:45:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:45:39,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872007231] [2023-08-30 08:45:39,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:45:39,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:45:39,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:45:39,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:45:39,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:45:39,941 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 198 [2023-08-30 08:45:39,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2023-08-30 08:45:39,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:45:39,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 198 [2023-08-30 08:45:39,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:45:40,306 INFO L130 PetriNetUnfolder]: 1257/1997 cut-off events. [2023-08-30 08:45:40,306 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-30 08:45:40,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4042 conditions, 1997 events. 1257/1997 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9885 event pairs, 533 based on Foata normal form. 138/1601 useless extension candidates. Maximal degree in co-relation 4031. Up to 1751 conditions per place. [2023-08-30 08:45:40,319 INFO L137 encePairwiseOnDemand]: 186/198 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-08-30 08:45:40,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 187 flow [2023-08-30 08:45:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:45:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:45:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2023-08-30 08:45:40,331 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5353535353535354 [2023-08-30 08:45:40,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2023-08-30 08:45:40,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2023-08-30 08:45:40,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:45:40,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2023-08-30 08:45:40,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2023-08-30 08:45:40,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-08-30 08:45:40,342 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-08-30 08:45:40,344 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 69 flow. Second operand 3 states and 318 transitions. [2023-08-30 08:45:40,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 187 flow [2023-08-30 08:45:40,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:45:40,349 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 102 flow [2023-08-30 08:45:40,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, 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} [2023-08-30 08:45:40,353 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2023-08-30 08:45:40,353 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 102 flow [2023-08-30 08:45:40,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2023-08-30 08:45:40,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:45:40,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:45:40,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:45:40,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:45:40,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:45:40,355 INFO L85 PathProgramCache]: Analyzing trace with hash -75307078, now seen corresponding path program 1 times [2023-08-30 08:45:40,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:45:40,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677718831] [2023-08-30 08:45:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:45:40,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:45:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:45:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:45:40,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:45:40,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677718831] [2023-08-30 08:45:40,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677718831] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:45:40,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:45:40,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:45:40,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574572306] [2023-08-30 08:45:40,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:45:40,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:45:40,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:45:40,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:45:40,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:45:40,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 198 [2023-08-30 08:45:40,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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) [2023-08-30 08:45:40,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:45:40,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 198 [2023-08-30 08:45:40,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:45:40,799 INFO L130 PetriNetUnfolder]: 919/1463 cut-off events. [2023-08-30 08:45:40,799 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2023-08-30 08:45:40,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3556 conditions, 1463 events. 919/1463 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6868 event pairs, 333 based on Foata normal form. 0/1281 useless extension candidates. Maximal degree in co-relation 3545. Up to 1216 conditions per place. [2023-08-30 08:45:40,806 INFO L137 encePairwiseOnDemand]: 191/198 looper letters, 35 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-08-30 08:45:40,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 41 transitions, 196 flow [2023-08-30 08:45:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:45:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:45:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 398 transitions. [2023-08-30 08:45:40,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5025252525252525 [2023-08-30 08:45:40,809 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 398 transitions. [2023-08-30 08:45:40,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 398 transitions. [2023-08-30 08:45:40,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:45:40,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 398 transitions. [2023-08-30 08:45:40,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 99.5) internal successors, (398), 4 states have internal predecessors, (398), 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) [2023-08-30 08:45:40,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-08-30 08:45:40,814 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-08-30 08:45:40,814 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 102 flow. Second operand 4 states and 398 transitions. [2023-08-30 08:45:40,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 41 transitions, 196 flow [2023-08-30 08:45:40,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:45:40,816 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 94 flow [2023-08-30 08:45:40,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, 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} [2023-08-30 08:45:40,816 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2023-08-30 08:45:40,817 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 94 flow [2023-08-30 08:45:40,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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) [2023-08-30 08:45:40,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:45:40,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:45:40,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:45:40,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:45:40,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:45:40,818 INFO L85 PathProgramCache]: Analyzing trace with hash -75307077, now seen corresponding path program 1 times [2023-08-30 08:45:40,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:45:40,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158397361] [2023-08-30 08:45:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:45:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:45:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:45:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:45:40,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:45:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158397361] [2023-08-30 08:45:40,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158397361] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:45:40,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:45:40,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:45:40,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612703288] [2023-08-30 08:45:40,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:45:40,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:45:40,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:45:40,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:45:40,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:45:40,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 198 [2023-08-30 08:45:40,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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) [2023-08-30 08:45:40,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:45:40,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 198 [2023-08-30 08:45:40,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:45:41,084 INFO L130 PetriNetUnfolder]: 398/668 cut-off events. [2023-08-30 08:45:41,084 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-08-30 08:45:41,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1631 conditions, 668 events. 398/668 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2764 event pairs, 159 based on Foata normal form. 33/679 useless extension candidates. Maximal degree in co-relation 1619. Up to 240 conditions per place. [2023-08-30 08:45:41,087 INFO L137 encePairwiseOnDemand]: 190/198 looper letters, 42 selfloop transitions, 7 changer transitions 3/54 dead transitions. [2023-08-30 08:45:41,087 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 54 transitions, 260 flow [2023-08-30 08:45:41,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:45:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:45:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 412 transitions. [2023-08-30 08:45:41,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5202020202020202 [2023-08-30 08:45:41,089 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 412 transitions. [2023-08-30 08:45:41,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 412 transitions. [2023-08-30 08:45:41,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:45:41,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 412 transitions. [2023-08-30 08:45:41,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 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) [2023-08-30 08:45:41,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-08-30 08:45:41,093 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-08-30 08:45:41,093 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 94 flow. Second operand 4 states and 412 transitions. [2023-08-30 08:45:41,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 54 transitions, 260 flow [2023-08-30 08:45:41,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 54 transitions, 255 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 08:45:41,095 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 117 flow [2023-08-30 08:45:41,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, 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} [2023-08-30 08:45:41,096 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2023-08-30 08:45:41,096 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 117 flow [2023-08-30 08:45:41,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 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) [2023-08-30 08:45:41,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:45:41,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:45:41,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:45:41,097 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-08-30 08:45:41,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:45:41,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1045339443, now seen corresponding path program 1 times [2023-08-30 08:45:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:45:41,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050240874] [2023-08-30 08:45:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:45:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:45:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:45:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:45:41,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:45:41,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050240874] [2023-08-30 08:45:41,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050240874] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:45:41,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:45:41,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:45:41,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271520916] [2023-08-30 08:45:41,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:45:41,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:45:41,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:45:41,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:45:41,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:45:41,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 198 [2023-08-30 08:45:41,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 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) [2023-08-30 08:45:41,240 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:45:41,240 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 198 [2023-08-30 08:45:41,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:45:41,367 INFO L130 PetriNetUnfolder]: 338/544 cut-off events. [2023-08-30 08:45:41,367 INFO L131 PetriNetUnfolder]: For 405/405 co-relation queries the response was YES. [2023-08-30 08:45:41,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 544 events. 338/544 cut-off events. For 405/405 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2205 event pairs, 143 based on Foata normal form. 16/556 useless extension candidates. Maximal degree in co-relation 1489. Up to 240 conditions per place. [2023-08-30 08:45:41,369 INFO L137 encePairwiseOnDemand]: 190/198 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2023-08-30 08:45:41,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 221 flow [2023-08-30 08:45:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:45:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:45:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 491 transitions. [2023-08-30 08:45:41,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49595959595959593 [2023-08-30 08:45:41,371 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 491 transitions. [2023-08-30 08:45:41,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 491 transitions. [2023-08-30 08:45:41,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:45:41,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 491 transitions. [2023-08-30 08:45:41,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 98.2) internal successors, (491), 5 states have internal predecessors, (491), 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) [2023-08-30 08:45:41,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2023-08-30 08:45:41,375 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2023-08-30 08:45:41,375 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 117 flow. Second operand 5 states and 491 transitions. [2023-08-30 08:45:41,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 221 flow [2023-08-30 08:45:41,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 44 transitions, 197 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-30 08:45:41,377 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-08-30 08:45:41,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, 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} [2023-08-30 08:45:41,378 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -6 predicate places. [2023-08-30 08:45:41,378 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-08-30 08:45:41,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 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) [2023-08-30 08:45:41,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-08-30 08:45:41,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-08-30 08:45:41,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-08-30 08:45:41,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-08-30 08:45:41,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-08-30 08:45:41,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-08-30 08:45:41,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-08-30 08:45:41,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-08-30 08:45:41,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:45:41,383 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-30 08:45:41,388 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:45:41,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:45:41,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:45:41 BasicIcfg [2023-08-30 08:45:41,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:45:41,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:45:41,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:45:41,392 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:45:41,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:45:36" (3/4) ... [2023-08-30 08:45:41,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:45:41,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 08:45:41,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 08:45:41,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 08:45:41,407 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-30 08:45:41,408 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 08:45:41,408 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:45:41,408 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:45:41,449 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:45:41,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:45:41,451 INFO L158 Benchmark]: Toolchain (without parser) took 6537.93ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 45.8MB in the beginning and 73.5MB in the end (delta: -27.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,451 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:45:41,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.70ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 39.2MB in the end (delta: 6.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.59ms. Allocated memory is still 69.2MB. Free memory was 39.2MB in the beginning and 36.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,452 INFO L158 Benchmark]: Boogie Preprocessor took 56.57ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,452 INFO L158 Benchmark]: RCFGBuilder took 788.08ms. Allocated memory is still 69.2MB. Free memory was 34.8MB in the beginning and 32.5MB in the end (delta: 2.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,453 INFO L158 Benchmark]: TraceAbstraction took 5040.61ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 31.9MB in the beginning and 76.7MB in the end (delta: -44.8MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,453 INFO L158 Benchmark]: Witness Printer took 59.08ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 73.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:45:41,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.70ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 39.2MB in the end (delta: 6.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.59ms. Allocated memory is still 69.2MB. Free memory was 39.2MB in the beginning and 36.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.57ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.08ms. Allocated memory is still 69.2MB. Free memory was 34.8MB in the beginning and 32.5MB in the end (delta: 2.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5040.61ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 31.9MB in the beginning and 76.7MB in the end (delta: -44.8MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Witness Printer took 59.08ms. Allocated memory is still 136.3MB. Free memory was 76.7MB in the beginning and 73.5MB 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: 3.1s, 116 PlacesBefore, 39 PlacesAfterwards, 108 TransitionsBefore, 30 TransitionsAfterwards, 2376 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 87 TotalNumberOfCompositions, 8837 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3120, independent: 2833, independent conditional: 0, independent unconditional: 2833, dependent: 287, dependent conditional: 0, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1250, independent: 1200, independent conditional: 0, independent unconditional: 1200, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3120, independent: 1633, independent conditional: 0, independent unconditional: 1633, dependent: 237, dependent conditional: 0, dependent unconditional: 237, unknown: 1250, unknown conditional: 0, unknown unconditional: 1250] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 133, Positive conditional cache size: 0, Positive unconditional cache size: 133, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 763]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 763]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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: 4.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 5 mSDtfsCounter, 245 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 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! [2023-08-30 08:45:41,472 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