./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/weaver/chl-poker-hand-symm.wvr.c -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 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 14:57:37,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 14:57:37,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 14:57:37,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 14:57:37,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 14:57:37,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 14:57:37,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 14:57:37,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 14:57:37,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 14:57:37,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 14:57:37,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 14:57:37,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 14:57:37,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 14:57:37,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 14:57:37,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 14:57:37,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 14:57:37,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 14:57:37,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 14:57:37,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 14:57:37,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 14:57:37,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 14:57:37,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 14:57:37,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 14:57:37,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 14:57:37,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 14:57:37,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 14:57:37,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 14:57:37,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 14:57:37,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 14:57:37,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 14:57:37,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 14:57:37,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 14:57:37,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 14:57:37,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 14:57:37,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 14:57:37,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 14:57:37,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 14:57:37,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 14:57:37,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 14:57:37,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 14:57:37,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 14:57:37,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 14:57:37,630 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 14:57:37,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 14:57:37,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 14:57:37,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 14:57:37,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 14:57:37,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 14:57:37,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 14:57:37,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 14:57:37,635 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 14:57:37,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 14:57:37,636 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 14:57:37,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 14:57:37,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 14:57:37,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 14:57:37,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 14:57:37,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 14:57:37,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 14:57:37,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 14:57:37,638 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 14:57:37,638 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 14:57:37,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 14:57:37,638 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 14:57:37,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 14:57:37,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 14:57:37,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 14:57:37,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 14:57:37,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 14:57:37,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 14:57:37,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 14:57:37,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 14:57:37,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 14:57:37,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 14:57:37,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 14:57:37,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 14:57:37,641 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 14:57:37,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 14:57:37,641 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 14:57:37,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 14:57:37,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 14:57:37,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 14:57:37,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 14:57:37,994 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 14:57:37,995 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 14:57:37,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-08-30 14:57:39,220 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 14:57:39,487 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 14:57:39,487 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-08-30 14:57:39,495 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09d10df7/9cf4636819f34014bc62b9580f172383/FLAG671af5332 [2023-08-30 14:57:39,509 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09d10df7/9cf4636819f34014bc62b9580f172383 [2023-08-30 14:57:39,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 14:57:39,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 14:57:39,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 14:57:39,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 14:57:39,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 14:57:39,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:39,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc78d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39, skipping insertion in model container [2023-08-30 14:57:39,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:39,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 14:57:39,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 14:57:39,838 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2023-08-30 14:57:39,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 14:57:39,866 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 14:57:39,952 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2023-08-30 14:57:39,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 14:57:39,962 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 14:57:39,962 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 14:57:39,967 INFO L208 MainTranslator]: Completed translation [2023-08-30 14:57:39,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39 WrapperNode [2023-08-30 14:57:39,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 14:57:39,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 14:57:39,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 14:57:39,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 14:57:39,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:39,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,049 INFO L138 Inliner]: procedures = 25, calls = 307, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1680 [2023-08-30 14:57:40,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 14:57:40,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 14:57:40,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 14:57:40,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 14:57:40,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,145 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 14:57:40,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 14:57:40,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 14:57:40,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 14:57:40,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (1/1) ... [2023-08-30 14:57:40,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 14:57:40,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 14:57:40,198 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 14:57:40,212 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 14:57:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 14:57:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 14:57:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 14:57:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 14:57:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 14:57:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 14:57:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 14:57:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 14:57:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 14:57:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 14:57:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 14:57:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 14:57:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 14:57:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 14:57:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 14:57:40,242 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 14:57:40,484 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 14:57:40,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 14:57:41,991 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 14:57:44,532 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 14:57:44,532 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-08-30 14:57:44,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:57:44 BoogieIcfgContainer [2023-08-30 14:57:44,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 14:57:44,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 14:57:44,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 14:57:44,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 14:57:44,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:57:39" (1/3) ... [2023-08-30 14:57:44,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43383761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:57:44, skipping insertion in model container [2023-08-30 14:57:44,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:57:39" (2/3) ... [2023-08-30 14:57:44,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43383761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:57:44, skipping insertion in model container [2023-08-30 14:57:44,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:57:44" (3/3) ... [2023-08-30 14:57:44,543 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2023-08-30 14:57:44,550 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 14:57:44,558 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 14:57:44,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-08-30 14:57:44,559 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 14:57:45,353 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 14:57:45,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 495 places, 541 transitions, 1098 flow [2023-08-30 14:57:45,662 INFO L130 PetriNetUnfolder]: 53/539 cut-off events. [2023-08-30 14:57:45,662 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 14:57:45,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 539 events. 53/539 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1074 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 433. Up to 7 conditions per place. [2023-08-30 14:57:45,671 INFO L82 GeneralOperation]: Start removeDead. Operand has 495 places, 541 transitions, 1098 flow [2023-08-30 14:57:45,683 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 479 places, 524 transitions, 1060 flow [2023-08-30 14:57:45,687 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 14:57:45,699 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 524 transitions, 1060 flow [2023-08-30 14:57:45,702 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 524 transitions, 1060 flow [2023-08-30 14:57:45,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 479 places, 524 transitions, 1060 flow [2023-08-30 14:57:45,825 INFO L130 PetriNetUnfolder]: 52/524 cut-off events. [2023-08-30 14:57:45,826 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 14:57:45,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 524 events. 52/524 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1073 event pairs, 0 based on Foata normal form. 0/403 useless extension candidates. Maximal degree in co-relation 433. Up to 7 conditions per place. [2023-08-30 14:57:45,836 INFO L119 LiptonReduction]: Number of co-enabled transitions 15552 [2023-08-30 14:59:41,042 INFO L134 LiptonReduction]: Checked pairs total: 18944 [2023-08-30 14:59:41,043 INFO L136 LiptonReduction]: Total number of compositions: 676 [2023-08-30 14:59:41,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 14:59:41,058 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;@3c58c0ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 14:59:41,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2023-08-30 14:59:41,061 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-30 14:59:41,061 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 14:59:41,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 14:59:41,062 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-30 14:59:41,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 14:59:41,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 14:59:41,067 INFO L85 PathProgramCache]: Analyzing trace with hash 197359, now seen corresponding path program 1 times [2023-08-30 14:59:41,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 14:59:41,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421158515] [2023-08-30 14:59:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 14:59:41,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 14:59:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 14:59:41,413 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 14:59:41,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 14:59:41,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421158515] [2023-08-30 14:59:41,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421158515] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 14:59:41,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 14:59:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 14:59:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221679351] [2023-08-30 14:59:41,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 14:59:41,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 14:59:41,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 14:59:41,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 14:59:41,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 14:59:41,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1217 [2023-08-30 14:59:41,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 108 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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 14:59:41,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 14:59:41,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1217 [2023-08-30 14:59:41,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 14:59:45,010 INFO L130 PetriNetUnfolder]: 3359/5327 cut-off events. [2023-08-30 14:59:45,010 INFO L131 PetriNetUnfolder]: For 142/142 co-relation queries the response was YES. [2023-08-30 14:59:45,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10790 conditions, 5327 events. 3359/5327 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 34592 event pairs, 2640 based on Foata normal form. 2/1601 useless extension candidates. Maximal degree in co-relation 5136. Up to 2673 conditions per place. [2023-08-30 14:59:45,041 INFO L137 encePairwiseOnDemand]: 1165/1217 looper letters, 141 selfloop transitions, 16 changer transitions 2/159 dead transitions. [2023-08-30 14:59:45,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 159 transitions, 660 flow [2023-08-30 14:59:45,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 14:59:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 14:59:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1436 transitions. [2023-08-30 14:59:45,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39331689947959464 [2023-08-30 14:59:45,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1436 transitions. [2023-08-30 14:59:45,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1436 transitions. [2023-08-30 14:59:45,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 14:59:45,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1436 transitions. [2023-08-30 14:59:45,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 478.6666666666667) internal successors, (1436), 3 states have internal predecessors, (1436), 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 14:59:45,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 14:59:45,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 14:59:45,092 INFO L175 Difference]: Start difference. First operand has 99 places, 108 transitions, 228 flow. Second operand 3 states and 1436 transitions. [2023-08-30 14:59:45,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 159 transitions, 660 flow [2023-08-30 14:59:45,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 159 transitions, 644 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-30 14:59:45,102 INFO L231 Difference]: Finished difference. Result has 79 places, 102 transitions, 333 flow [2023-08-30 14:59:45,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=333, PETRI_PLACES=79, PETRI_TRANSITIONS=102} [2023-08-30 14:59:45,110 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -20 predicate places. [2023-08-30 14:59:45,112 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 102 transitions, 333 flow [2023-08-30 14:59:45,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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 14:59:45,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 14:59:45,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 14:59:45,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 14:59:45,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 14:59:45,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 14:59:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash 6126729, now seen corresponding path program 1 times [2023-08-30 14:59:45,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 14:59:45,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214991707] [2023-08-30 14:59:45,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 14:59:45,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 14:59:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 14:59:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 14:59:45,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 14:59:45,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214991707] [2023-08-30 14:59:45,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214991707] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 14:59:45,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 14:59:45,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 14:59:45,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004315702] [2023-08-30 14:59:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 14:59:45,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 14:59:45,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 14:59:45,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 14:59:45,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 14:59:45,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1217 [2023-08-30 14:59:45,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 102 transitions, 333 flow. Second operand has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 14:59:45,333 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 14:59:45,333 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1217 [2023-08-30 14:59:45,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 14:59:48,481 INFO L130 PetriNetUnfolder]: 3359/5317 cut-off events. [2023-08-30 14:59:48,482 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2023-08-30 14:59:48,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10737 conditions, 5317 events. 3359/5317 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 728. Compared 34478 event pairs, 2640 based on Foata normal form. 0/1613 useless extension candidates. Maximal degree in co-relation 5321. Up to 5317 conditions per place. [2023-08-30 14:59:48,509 INFO L137 encePairwiseOnDemand]: 1208/1217 looper letters, 93 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2023-08-30 14:59:48,509 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 94 transitions, 489 flow [2023-08-30 14:59:48,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 14:59:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 14:59:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2023-08-30 14:59:48,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3582580115036976 [2023-08-30 14:59:48,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1308 transitions. [2023-08-30 14:59:48,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1308 transitions. [2023-08-30 14:59:48,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 14:59:48,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1308 transitions. [2023-08-30 14:59:48,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 436.0) internal successors, (1308), 3 states have internal predecessors, (1308), 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 14:59:48,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 14:59:48,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 14:59:48,528 INFO L175 Difference]: Start difference. First operand has 79 places, 102 transitions, 333 flow. Second operand 3 states and 1308 transitions. [2023-08-30 14:59:48,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 94 transitions, 489 flow [2023-08-30 14:59:48,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 94 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 14:59:48,533 INFO L231 Difference]: Finished difference. Result has 70 places, 94 transitions, 271 flow [2023-08-30 14:59:48,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=70, PETRI_TRANSITIONS=94} [2023-08-30 14:59:48,534 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -29 predicate places. [2023-08-30 14:59:48,535 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 271 flow [2023-08-30 14:59:48,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 14:59:48,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 14:59:48,536 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 14:59:48,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 14:59:48,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 14:59:48,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 14:59:48,540 INFO L85 PathProgramCache]: Analyzing trace with hash 6126816, now seen corresponding path program 1 times [2023-08-30 14:59:48,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 14:59:48,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30038101] [2023-08-30 14:59:48,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 14:59:48,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 14:59:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 14:59:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 14:59:48,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 14:59:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30038101] [2023-08-30 14:59:48,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30038101] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 14:59:48,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051863852] [2023-08-30 14:59:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 14:59:48,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 14:59:48,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 14:59:48,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 14:59:48,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 14:59:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 14:59:49,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-30 14:59:49,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 14:59:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 14:59:49,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 14:59:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 14:59:49,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051863852] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 14:59:49,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 14:59:49,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-08-30 14:59:49,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872076405] [2023-08-30 14:59:49,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 14:59:49,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 14:59:49,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 14:59:49,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 14:59:49,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-30 14:59:49,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1217 [2023-08-30 14:59:49,761 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 94 transitions, 271 flow. Second operand has 7 states, 7 states have (on average 408.14285714285717) internal successors, (2857), 7 states have internal predecessors, (2857), 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 14:59:49,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 14:59:49,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1217 [2023-08-30 14:59:49,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 14:59:57,308 INFO L130 PetriNetUnfolder]: 8396/13279 cut-off events. [2023-08-30 14:59:57,309 INFO L131 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2023-08-30 14:59:57,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26757 conditions, 13279 events. 8396/13279 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 94467 event pairs, 6600 based on Foata normal form. 0/3996 useless extension candidates. Maximal degree in co-relation 26749. Up to 2675 conditions per place. [2023-08-30 14:59:57,364 INFO L137 encePairwiseOnDemand]: 1193/1217 looper letters, 298 selfloop transitions, 61 changer transitions 0/359 dead transitions. [2023-08-30 14:59:57,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 359 transitions, 1621 flow [2023-08-30 14:59:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 14:59:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 14:59:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2825 transitions. [2023-08-30 14:59:57,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3868803067652698 [2023-08-30 14:59:57,373 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2825 transitions. [2023-08-30 14:59:57,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2825 transitions. [2023-08-30 14:59:57,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 14:59:57,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2825 transitions. [2023-08-30 14:59:57,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 470.8333333333333) internal successors, (2825), 6 states have internal predecessors, (2825), 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 14:59:57,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1217.0) internal successors, (8519), 7 states have internal predecessors, (8519), 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 14:59:57,396 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1217.0) internal successors, (8519), 7 states have internal predecessors, (8519), 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 14:59:57,397 INFO L175 Difference]: Start difference. First operand has 70 places, 94 transitions, 271 flow. Second operand 6 states and 2825 transitions. [2023-08-30 14:59:57,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 359 transitions, 1621 flow [2023-08-30 14:59:57,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 359 transitions, 1620 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 14:59:57,403 INFO L231 Difference]: Finished difference. Result has 77 places, 139 transitions, 705 flow [2023-08-30 14:59:57,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=705, PETRI_PLACES=77, PETRI_TRANSITIONS=139} [2023-08-30 14:59:57,405 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -22 predicate places. [2023-08-30 14:59:57,405 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 139 transitions, 705 flow [2023-08-30 14:59:57,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 408.14285714285717) internal successors, (2857), 7 states have internal predecessors, (2857), 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 14:59:57,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 14:59:57,407 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1] [2023-08-30 14:59:57,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 14:59:57,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 14:59:57,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 14:59:57,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 14:59:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2141297094, now seen corresponding path program 2 times [2023-08-30 14:59:57,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 14:59:57,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756138896] [2023-08-30 14:59:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 14:59:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 14:59:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 14:59:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 14:59:57,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 14:59:57,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756138896] [2023-08-30 14:59:57,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756138896] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 14:59:57,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035229787] [2023-08-30 14:59:57,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 14:59:57,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 14:59:57,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 14:59:57,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 14:59:57,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-30 14:59:58,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-30 14:59:58,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 14:59:58,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-30 14:59:58,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 14:59:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-30 14:59:58,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 14:59:58,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035229787] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 14:59:58,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 14:59:58,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2023-08-30 14:59:58,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610343065] [2023-08-30 14:59:58,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 14:59:58,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 14:59:58,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 14:59:58,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 14:59:58,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-08-30 14:59:58,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 1217 [2023-08-30 14:59:58,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 139 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 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 14:59:58,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 14:59:58,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 1217 [2023-08-30 14:59:58,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:05,166 INFO L130 PetriNetUnfolder]: 8396/13273 cut-off events. [2023-08-30 15:00:05,166 INFO L131 PetriNetUnfolder]: For 115/115 co-relation queries the response was YES. [2023-08-30 15:00:05,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26862 conditions, 13273 events. 8396/13273 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 94236 event pairs, 6600 based on Foata normal form. 6/4025 useless extension candidates. Maximal degree in co-relation 26850. Up to 13218 conditions per place. [2023-08-30 15:00:05,215 INFO L137 encePairwiseOnDemand]: 1209/1217 looper letters, 127 selfloop transitions, 6 changer transitions 0/133 dead transitions. [2023-08-30 15:00:05,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 133 transitions, 911 flow [2023-08-30 15:00:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 15:00:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 15:00:05,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1324 transitions. [2023-08-30 15:00:05,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36264037250068476 [2023-08-30 15:00:05,220 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1324 transitions. [2023-08-30 15:00:05,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1324 transitions. [2023-08-30 15:00:05,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:05,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1324 transitions. [2023-08-30 15:00:05,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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 15:00:05,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:05,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:05,233 INFO L175 Difference]: Start difference. First operand has 77 places, 139 transitions, 705 flow. Second operand 3 states and 1324 transitions. [2023-08-30 15:00:05,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 133 transitions, 911 flow [2023-08-30 15:00:05,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 133 transitions, 826 flow, removed 24 selfloop flow, removed 1 redundant places. [2023-08-30 15:00:05,239 INFO L231 Difference]: Finished difference. Result has 72 places, 133 transitions, 572 flow [2023-08-30 15:00:05,239 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=72, PETRI_TRANSITIONS=133} [2023-08-30 15:00:05,241 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -27 predicate places. [2023-08-30 15:00:05,241 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 133 transitions, 572 flow [2023-08-30 15:00:05,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 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 15:00:05,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:05,242 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:05,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-30 15:00:05,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-08-30 15:00:05,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:05,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:05,482 INFO L85 PathProgramCache]: Analyzing trace with hash 491391055, now seen corresponding path program 1 times [2023-08-30 15:00:05,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:05,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754428847] [2023-08-30 15:00:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:05,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:05,620 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 15:00:05,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:05,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754428847] [2023-08-30 15:00:05,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754428847] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:00:05,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 15:00:05,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 15:00:05,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518468287] [2023-08-30 15:00:05,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:00:05,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 15:00:05,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:05,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 15:00:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 15:00:05,758 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 1217 [2023-08-30 15:00:05,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 133 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 15:00:05,759 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:05,759 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 1217 [2023-08-30 15:00:05,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:11,107 INFO L130 PetriNetUnfolder]: 6721/10631 cut-off events. [2023-08-30 15:00:11,107 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2023-08-30 15:00:11,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21507 conditions, 10631 events. 6721/10631 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 1146. Compared 73817 event pairs, 5280 based on Foata normal form. 4/3237 useless extension candidates. Maximal degree in co-relation 21494. Up to 10618 conditions per place. [2023-08-30 15:00:11,144 INFO L137 encePairwiseOnDemand]: 1207/1217 looper letters, 112 selfloop transitions, 18 changer transitions 0/130 dead transitions. [2023-08-30 15:00:11,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 130 transitions, 820 flow [2023-08-30 15:00:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 15:00:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 15:00:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2023-08-30 15:00:11,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35004108463434674 [2023-08-30 15:00:11,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2023-08-30 15:00:11,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2023-08-30 15:00:11,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:11,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2023-08-30 15:00:11,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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 15:00:11,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:11,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:11,157 INFO L175 Difference]: Start difference. First operand has 72 places, 133 transitions, 572 flow. Second operand 3 states and 1278 transitions. [2023-08-30 15:00:11,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 130 transitions, 820 flow [2023-08-30 15:00:11,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 130 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 15:00:11,161 INFO L231 Difference]: Finished difference. Result has 73 places, 130 transitions, 604 flow [2023-08-30 15:00:11,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=73, PETRI_TRANSITIONS=130} [2023-08-30 15:00:11,162 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -26 predicate places. [2023-08-30 15:00:11,162 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 130 transitions, 604 flow [2023-08-30 15:00:11,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 15:00:11,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:11,163 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:11,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 15:00:11,163 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:11,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:11,164 INFO L85 PathProgramCache]: Analyzing trace with hash 911099676, now seen corresponding path program 1 times [2023-08-30 15:00:11,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:11,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348065261] [2023-08-30 15:00:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:11,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-08-30 15:00:11,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:11,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348065261] [2023-08-30 15:00:11,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348065261] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:00:11,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 15:00:11,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 15:00:11,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290462022] [2023-08-30 15:00:11,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:00:11,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 15:00:11,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:11,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 15:00:11,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 15:00:11,413 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 1217 [2023-08-30 15:00:11,414 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 130 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 15:00:11,414 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:11,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 1217 [2023-08-30 15:00:11,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:16,645 INFO L130 PetriNetUnfolder]: 6717/10627 cut-off events. [2023-08-30 15:00:16,645 INFO L131 PetriNetUnfolder]: For 115/115 co-relation queries the response was YES. [2023-08-30 15:00:16,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21515 conditions, 10627 events. 6717/10627 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 1193. Compared 74271 event pairs, 5280 based on Foata normal form. 4/3235 useless extension candidates. Maximal degree in co-relation 21501. Up to 10612 conditions per place. [2023-08-30 15:00:16,676 INFO L137 encePairwiseOnDemand]: 1208/1217 looper letters, 106 selfloop transitions, 20 changer transitions 0/126 dead transitions. [2023-08-30 15:00:16,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 126 transitions, 837 flow [2023-08-30 15:00:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 15:00:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 15:00:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2023-08-30 15:00:16,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35004108463434674 [2023-08-30 15:00:16,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2023-08-30 15:00:16,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2023-08-30 15:00:16,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:16,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2023-08-30 15:00:16,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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 15:00:16,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:16,691 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:16,691 INFO L175 Difference]: Start difference. First operand has 73 places, 130 transitions, 604 flow. Second operand 3 states and 1278 transitions. [2023-08-30 15:00:16,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 126 transitions, 837 flow [2023-08-30 15:00:16,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 126 transitions, 820 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 15:00:16,695 INFO L231 Difference]: Finished difference. Result has 74 places, 126 transitions, 608 flow [2023-08-30 15:00:16,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=74, PETRI_TRANSITIONS=126} [2023-08-30 15:00:16,698 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -25 predicate places. [2023-08-30 15:00:16,698 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 126 transitions, 608 flow [2023-08-30 15:00:16,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 15:00:16,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:16,711 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:16,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-30 15:00:16,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:16,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:16,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1501193704, now seen corresponding path program 1 times [2023-08-30 15:00:16,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:16,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938084810] [2023-08-30 15:00:16,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:16,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-08-30 15:00:16,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938084810] [2023-08-30 15:00:16,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938084810] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:00:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139322019] [2023-08-30 15:00:16,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:16,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:16,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:00:16,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 15:00:16,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-30 15:00:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:17,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-30 15:00:17,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:00:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-08-30 15:00:17,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 15:00:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-08-30 15:00:17,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139322019] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 15:00:17,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 15:00:17,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-08-30 15:00:17,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210342497] [2023-08-30 15:00:17,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 15:00:17,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 15:00:17,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:17,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 15:00:17,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-30 15:00:18,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 1217 [2023-08-30 15:00:18,184 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 126 transitions, 608 flow. Second operand has 8 states, 8 states have (on average 386.125) internal successors, (3089), 8 states have internal predecessors, (3089), 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 15:00:18,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:18,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 1217 [2023-08-30 15:00:18,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:19,794 INFO L130 PetriNetUnfolder]: 1680/2689 cut-off events. [2023-08-30 15:00:19,794 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2023-08-30 15:00:19,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5523 conditions, 2689 events. 1680/2689 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 15367 event pairs, 1320 based on Foata normal form. 24/865 useless extension candidates. Maximal degree in co-relation 5509. Up to 2656 conditions per place. [2023-08-30 15:00:19,802 INFO L137 encePairwiseOnDemand]: 1198/1217 looper letters, 63 selfloop transitions, 42 changer transitions 0/105 dead transitions. [2023-08-30 15:00:19,802 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 650 flow [2023-08-30 15:00:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-30 15:00:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-30 15:00:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 3193 transitions. [2023-08-30 15:00:19,811 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3279580936729663 [2023-08-30 15:00:19,811 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 3193 transitions. [2023-08-30 15:00:19,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 3193 transitions. [2023-08-30 15:00:19,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:19,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 3193 transitions. [2023-08-30 15:00:19,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 399.125) internal successors, (3193), 8 states have internal predecessors, (3193), 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 15:00:19,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1217.0) internal successors, (10953), 9 states have internal predecessors, (10953), 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 15:00:19,830 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1217.0) internal successors, (10953), 9 states have internal predecessors, (10953), 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 15:00:19,830 INFO L175 Difference]: Start difference. First operand has 74 places, 126 transitions, 608 flow. Second operand 8 states and 3193 transitions. [2023-08-30 15:00:19,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 650 flow [2023-08-30 15:00:19,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 105 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 15:00:19,833 INFO L231 Difference]: Finished difference. Result has 82 places, 105 transitions, 548 flow [2023-08-30 15:00:19,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=548, PETRI_PLACES=82, PETRI_TRANSITIONS=105} [2023-08-30 15:00:19,836 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -17 predicate places. [2023-08-30 15:00:19,836 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 105 transitions, 548 flow [2023-08-30 15:00:19,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 386.125) internal successors, (3089), 8 states have internal predecessors, (3089), 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 15:00:19,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:19,837 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:19,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-30 15:00:20,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:20,049 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:20,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:20,049 INFO L85 PathProgramCache]: Analyzing trace with hash -295393420, now seen corresponding path program 2 times [2023-08-30 15:00:20,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:20,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453581339] [2023-08-30 15:00:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-08-30 15:00:20,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:20,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453581339] [2023-08-30 15:00:20,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453581339] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:00:20,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743192914] [2023-08-30 15:00:20,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 15:00:20,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:00:20,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 15:00:20,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-30 15:00:21,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-30 15:00:21,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 15:00:21,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-30 15:00:21,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:00:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-08-30 15:00:21,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 15:00:21,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743192914] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:00:21,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 15:00:21,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2023-08-30 15:00:21,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240043754] [2023-08-30 15:00:21,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:00:21,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 15:00:21,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 15:00:21,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-08-30 15:00:21,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 1217 [2023-08-30 15:00:21,217 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 105 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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 15:00:21,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:21,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 1217 [2023-08-30 15:00:21,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:22,625 INFO L130 PetriNetUnfolder]: 1680/2687 cut-off events. [2023-08-30 15:00:22,625 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2023-08-30 15:00:22,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5565 conditions, 2687 events. 1680/2687 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 15362 event pairs, 1320 based on Foata normal form. 2/841 useless extension candidates. Maximal degree in co-relation 5548. Up to 2687 conditions per place. [2023-08-30 15:00:22,632 INFO L137 encePairwiseOnDemand]: 1214/1217 looper letters, 102 selfloop transitions, 1 changer transitions 0/103 dead transitions. [2023-08-30 15:00:22,632 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 103 transitions, 728 flow [2023-08-30 15:00:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 15:00:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 15:00:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1318 transitions. [2023-08-30 15:00:22,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36099698712681455 [2023-08-30 15:00:22,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1318 transitions. [2023-08-30 15:00:22,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1318 transitions. [2023-08-30 15:00:22,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:22,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1318 transitions. [2023-08-30 15:00:22,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 439.3333333333333) internal successors, (1318), 3 states have internal predecessors, (1318), 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 15:00:22,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:22,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1217.0) internal successors, (4868), 4 states have internal predecessors, (4868), 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 15:00:22,644 INFO L175 Difference]: Start difference. First operand has 82 places, 105 transitions, 548 flow. Second operand 3 states and 1318 transitions. [2023-08-30 15:00:22,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 103 transitions, 728 flow [2023-08-30 15:00:22,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 103 transitions, 568 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-08-30 15:00:22,647 INFO L231 Difference]: Finished difference. Result has 72 places, 103 transitions, 364 flow [2023-08-30 15:00:22,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=72, PETRI_TRANSITIONS=103} [2023-08-30 15:00:22,648 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -27 predicate places. [2023-08-30 15:00:22,648 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 103 transitions, 364 flow [2023-08-30 15:00:22,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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 15:00:22,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:22,648 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:22,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-30 15:00:22,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:22,857 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:22,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1980362, now seen corresponding path program 1 times [2023-08-30 15:00:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:22,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095027393] [2023-08-30 15:00:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:22,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-08-30 15:00:23,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:23,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095027393] [2023-08-30 15:00:23,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095027393] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:00:23,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825265104] [2023-08-30 15:00:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:23,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:23,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:00:23,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 15:00:23,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-30 15:00:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:24,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-30 15:00:24,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:00:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-08-30 15:00:24,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 15:00:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-08-30 15:00:24,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825265104] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 15:00:24,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 15:00:24,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-08-30 15:00:24,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607228885] [2023-08-30 15:00:24,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 15:00:24,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-30 15:00:24,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:24,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-30 15:00:24,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2023-08-30 15:00:24,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 1217 [2023-08-30 15:00:24,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 103 transitions, 364 flow. Second operand has 17 states, 17 states have (on average 385.70588235294116) internal successors, (6557), 17 states have internal predecessors, (6557), 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 15:00:24,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:24,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 1217 [2023-08-30 15:00:24,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:26,435 INFO L130 PetriNetUnfolder]: 1680/2701 cut-off events. [2023-08-30 15:00:26,436 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2023-08-30 15:00:26,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5524 conditions, 2701 events. 1680/2701 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 15401 event pairs, 1320 based on Foata normal form. 13/862 useless extension candidates. Maximal degree in co-relation 5511. Up to 2656 conditions per place. [2023-08-30 15:00:26,442 INFO L137 encePairwiseOnDemand]: 1200/1217 looper letters, 63 selfloop transitions, 54 changer transitions 0/117 dead transitions. [2023-08-30 15:00:26,443 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 117 transitions, 654 flow [2023-08-30 15:00:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-30 15:00:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-30 15:00:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6642 transitions. [2023-08-30 15:00:26,458 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32104016627193194 [2023-08-30 15:00:26,458 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 6642 transitions. [2023-08-30 15:00:26,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 6642 transitions. [2023-08-30 15:00:26,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:26,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 6642 transitions. [2023-08-30 15:00:26,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 390.70588235294116) internal successors, (6642), 17 states have internal predecessors, (6642), 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 15:00:26,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 1217.0) internal successors, (21906), 18 states have internal predecessors, (21906), 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 15:00:26,499 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 1217.0) internal successors, (21906), 18 states have internal predecessors, (21906), 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 15:00:26,499 INFO L175 Difference]: Start difference. First operand has 72 places, 103 transitions, 364 flow. Second operand 17 states and 6642 transitions. [2023-08-30 15:00:26,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 117 transitions, 654 flow [2023-08-30 15:00:26,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 117 transitions, 653 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 15:00:26,502 INFO L231 Difference]: Finished difference. Result has 94 places, 117 transitions, 607 flow [2023-08-30 15:00:26,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=607, PETRI_PLACES=94, PETRI_TRANSITIONS=117} [2023-08-30 15:00:26,503 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -5 predicate places. [2023-08-30 15:00:26,503 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 117 transitions, 607 flow [2023-08-30 15:00:26,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 385.70588235294116) internal successors, (6557), 17 states have internal predecessors, (6557), 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 15:00:26,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:26,506 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:26,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-30 15:00:26,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:26,718 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:26,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:26,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1875918174, now seen corresponding path program 2 times [2023-08-30 15:00:26,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:26,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918731041] [2023-08-30 15:00:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:26,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-08-30 15:00:27,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:27,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918731041] [2023-08-30 15:00:27,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918731041] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:00:27,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624346176] [2023-08-30 15:00:27,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 15:00:27,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:27,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:00:27,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 15:00:27,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-30 15:00:28,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-30 15:00:28,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 15:00:28,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 14 conjunts are in the unsatisfiable core [2023-08-30 15:00:28,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:00:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-08-30 15:00:28,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 15:00:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-08-30 15:00:28,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624346176] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 15:00:28,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 15:00:28,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2023-08-30 15:00:28,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793865215] [2023-08-30 15:00:28,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 15:00:28,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-08-30 15:00:28,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:28,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-08-30 15:00:28,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=722, Unknown=0, NotChecked=0, Total=1190 [2023-08-30 15:00:30,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 1217 [2023-08-30 15:00:30,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 117 transitions, 607 flow. Second operand has 35 states, 35 states have (on average 384.48571428571427) internal successors, (13457), 35 states have internal predecessors, (13457), 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 15:00:30,182 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:00:30,182 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 1217 [2023-08-30 15:00:30,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:00:31,847 INFO L130 PetriNetUnfolder]: 1680/2707 cut-off events. [2023-08-30 15:00:31,847 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-08-30 15:00:31,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5649 conditions, 2707 events. 1680/2707 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 15362 event pairs, 1320 based on Foata normal form. 6/865 useless extension candidates. Maximal degree in co-relation 5628. Up to 2656 conditions per place. [2023-08-30 15:00:31,860 INFO L137 encePairwiseOnDemand]: 1200/1217 looper letters, 63 selfloop transitions, 60 changer transitions 0/123 dead transitions. [2023-08-30 15:00:31,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 123 transitions, 889 flow [2023-08-30 15:00:31,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-30 15:00:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-30 15:00:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 7023 transitions. [2023-08-30 15:00:31,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3205970966858395 [2023-08-30 15:00:31,870 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 7023 transitions. [2023-08-30 15:00:31,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 7023 transitions. [2023-08-30 15:00:31,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:00:31,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 7023 transitions. [2023-08-30 15:00:31,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 390.1666666666667) internal successors, (7023), 18 states have internal predecessors, (7023), 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 15:00:31,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 1217.0) internal successors, (23123), 19 states have internal predecessors, (23123), 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 15:00:31,907 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 1217.0) internal successors, (23123), 19 states have internal predecessors, (23123), 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 15:00:31,907 INFO L175 Difference]: Start difference. First operand has 94 places, 117 transitions, 607 flow. Second operand 18 states and 7023 transitions. [2023-08-30 15:00:31,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 123 transitions, 889 flow [2023-08-30 15:00:31,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 123 transitions, 861 flow, removed 6 selfloop flow, removed 2 redundant places. [2023-08-30 15:00:31,912 INFO L231 Difference]: Finished difference. Result has 112 places, 123 transitions, 781 flow [2023-08-30 15:00:31,912 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=781, PETRI_PLACES=112, PETRI_TRANSITIONS=123} [2023-08-30 15:00:31,913 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 13 predicate places. [2023-08-30 15:00:31,913 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 123 transitions, 781 flow [2023-08-30 15:00:31,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 384.48571428571427) internal successors, (13457), 35 states have internal predecessors, (13457), 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 15:00:31,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:00:31,918 INFO L208 CegarLoopForPetriNet]: trace histogram [13, 13, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:00:31,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-08-30 15:00:32,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:32,128 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:00:32,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:00:32,129 INFO L85 PathProgramCache]: Analyzing trace with hash -992695262, now seen corresponding path program 3 times [2023-08-30 15:00:32,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:00:32,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54382749] [2023-08-30 15:00:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:00:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:00:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:00:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-08-30 15:00:35,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:00:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54382749] [2023-08-30 15:00:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54382749] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:00:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308413295] [2023-08-30 15:00:35,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-30 15:00:35,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:00:35,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:00:35,325 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 15:00:35,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-08-30 15:00:53,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-08-30 15:00:53,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 15:00:53,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 74 conjunts are in the unsatisfiable core [2023-08-30 15:00:53,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:00:54,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-08-30 15:00:54,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-08-30 15:00:54,211 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-08-30 15:00:54,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-08-30 15:00:54,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,408 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-08-30 15:00:54,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-08-30 15:00:54,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,825 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-30 15:00:54,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-08-30 15:00:54,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:54,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:00:55,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:00:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-08-30 15:00:55,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 15:00:55,270 WARN L839 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1097 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_1097) c_~last_index_of_3~0.base) (+ c_~last_index_of_3~0.offset 12)) 2147483647)) (not (= c_~last_index_of_3~0.base |c_ULTIMATE.start_main_~#t1~0#1.base|))) is different from false [2023-08-30 15:00:59,532 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-30 15:00:59,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 65 [2023-08-30 15:00:59,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-30 15:00:59,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 102 [2023-08-30 15:00:59,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2023-08-30 15:00:59,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2023-08-30 15:00:59,885 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-30 15:00:59,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 96 [2023-08-30 15:00:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 218 trivial. 13 not checked. [2023-08-30 15:00:59,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308413295] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 15:00:59,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 15:00:59,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 8] total 31 [2023-08-30 15:00:59,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759971200] [2023-08-30 15:00:59,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 15:00:59,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-08-30 15:00:59,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 15:00:59,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-08-30 15:00:59,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=836, Unknown=2, NotChecked=60, Total=1056 [2023-08-30 15:01:00,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 1217 [2023-08-30 15:01:00,259 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 123 transitions, 781 flow. Second operand has 33 states, 33 states have (on average 311.06060606060606) internal successors, (10265), 33 states have internal predecessors, (10265), 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 15:01:00,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:01:00,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 1217 [2023-08-30 15:01:00,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:01:04,560 INFO L130 PetriNetUnfolder]: 1716/2811 cut-off events. [2023-08-30 15:01:04,561 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2023-08-30 15:01:04,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5932 conditions, 2811 events. 1716/2811 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 16774 event pairs, 436 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 5907. Up to 2085 conditions per place. [2023-08-30 15:01:04,571 INFO L137 encePairwiseOnDemand]: 1189/1217 looper letters, 141 selfloop transitions, 52 changer transitions 0/193 dead transitions. [2023-08-30 15:01:04,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 193 transitions, 1309 flow [2023-08-30 15:01:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-08-30 15:01:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-08-30 15:01:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 10071 transitions. [2023-08-30 15:01:04,587 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2586020953163517 [2023-08-30 15:01:04,587 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 10071 transitions. [2023-08-30 15:01:04,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 10071 transitions. [2023-08-30 15:01:04,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:01:04,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 10071 transitions. [2023-08-30 15:01:04,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 314.71875) internal successors, (10071), 32 states have internal predecessors, (10071), 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 15:01:04,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 1217.0) internal successors, (40161), 33 states have internal predecessors, (40161), 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 15:01:04,641 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 1217.0) internal successors, (40161), 33 states have internal predecessors, (40161), 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 15:01:04,641 INFO L175 Difference]: Start difference. First operand has 112 places, 123 transitions, 781 flow. Second operand 32 states and 10071 transitions. [2023-08-30 15:01:04,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 193 transitions, 1309 flow [2023-08-30 15:01:04,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 193 transitions, 1205 flow, removed 14 selfloop flow, removed 11 redundant places. [2023-08-30 15:01:04,648 INFO L231 Difference]: Finished difference. Result has 135 places, 129 transitions, 836 flow [2023-08-30 15:01:04,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1217, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=836, PETRI_PLACES=135, PETRI_TRANSITIONS=129} [2023-08-30 15:01:04,649 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 36 predicate places. [2023-08-30 15:01:04,649 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 129 transitions, 836 flow [2023-08-30 15:01:04,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 311.06060606060606) internal successors, (10265), 33 states have internal predecessors, (10265), 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 15:01:04,651 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:01:04,651 INFO L208 CegarLoopForPetriNet]: trace histogram [13, 13, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 15:01:04,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-08-30 15:01:04,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:01:04,865 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:01:04,865 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:01:04,865 INFO L85 PathProgramCache]: Analyzing trace with hash -992695238, now seen corresponding path program 1 times [2023-08-30 15:01:04,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 15:01:04,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016970321] [2023-08-30 15:01:04,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:01:04,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 15:01:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:01:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-08-30 15:01:07,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 15:01:07,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016970321] [2023-08-30 15:01:07,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016970321] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 15:01:07,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000939701] [2023-08-30 15:01:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:01:07,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 15:01:07,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:01:07,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 15:01:07,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-08-30 15:01:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:01:08,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 139 conjunts are in the unsatisfiable core [2023-08-30 15:01:08,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:01:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:08,579 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2023-08-30 15:01:08,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 24 [2023-08-30 15:01:08,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-30 15:01:08,756 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-08-30 15:01:08,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-08-30 15:01:08,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,875 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-08-30 15:01:08,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-08-30 15:01:08,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:08,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,045 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-08-30 15:01:09,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-08-30 15:01:09,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,296 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2023-08-30 15:01:09,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2023-08-30 15:01:09,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,662 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-30 15:01:09,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2023-08-30 15:01:09,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:09,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,154 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-30 15:01:10,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2023-08-30 15:01:10,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:10,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,363 INFO L321 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2023-08-30 15:01:11,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 39 [2023-08-30 15:01:11,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-30 15:01:11,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-08-30 15:01:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:11,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:11,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:11,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:11,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:11,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:11,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:11,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:12,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:12,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:12,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-08-30 15:01:12,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-30 15:01:12,202 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-08-30 15:01:12,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2023-08-30 15:01:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 28 proven. 107 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-08-30 15:01:12,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 15:01:43,503 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1418 Int) (v_ArrVal_1424 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_726| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729| Int) (v_ArrVal_1420 Int) (v_ArrVal_1422 Int) (v_ArrVal_1412 Int) (v_ArrVal_1415 Int) (v_ArrVal_1417 Int)) (or (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_726| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727|)) (<= 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1412) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1415) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1417) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1418) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1420) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_726|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1422)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1424) c_~index_of_0~0.base) (+ c_~index_of_0~0.offset 16)) 2147483648)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730| (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1)))) is different from false [2023-08-30 15:02:06,712 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1418 Int) (v_ArrVal_1409 Int) (v_ArrVal_1424 (Array Int Int)) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_731| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_732| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_726| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729| Int) (v_ArrVal_1420 Int) (v_ArrVal_1422 Int) (v_ArrVal_1410 Int) (v_ArrVal_1412 Int) (v_ArrVal_1415 Int) (v_ArrVal_1417 Int)) (or (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_731|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_726| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727|)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_732| (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1)) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_731| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_732|)) (<= 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1409) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_732|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1410) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_731|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1412) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_730|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1415) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_729|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1417) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_728|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1418) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_727|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1420) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_726|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_1422)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1424) c_~index_of_0~0.base) (+ c_~index_of_0~0.offset 16)) 2147483648)))) is different from false [2023-08-30 15:02:32,641 INFO L321 Elim1Store]: treesize reduction 1088, result has 7.8 percent of original size [2023-08-30 15:02:32,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 109 [2023-08-30 15:02:32,664 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_2 (Array Int Int)) (v_ArrVal_1424 (Array Int Int))) (or (< (+ 2147483648 (select v_arrayElimArr_2 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) 0) (<= 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1424) c_~index_of_0~0.base) (+ c_~index_of_0~0.offset 16)) 2147483648)))) is different from false [2023-08-30 15:02:32,675 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_2 (Array Int Int)) (v_ArrVal_1424 (Array Int Int))) (or (<= 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1424) c_~index_of_0~0.base) (+ c_~index_of_0~0.offset 16)) 2147483648)) (< (+ (select v_arrayElimArr_2 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 2147483648) 0))) is different from false [2023-08-30 15:02:32,685 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_2 (Array Int Int)) (v_ArrVal_1424 (Array Int Int))) (or (<= 0 (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1424) c_~index_of_0~0.base) (+ c_~index_of_0~0.offset 16)) 2147483648)) (< (+ 2147483648 (select v_arrayElimArr_2 (+ (* 4 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) 0))) is different from false [2023-08-30 15:02:42,924 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-30 15:02:42,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 48 [2023-08-30 15:02:43,482 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-30 15:02:43,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10204741635 treesize of output 10192158723 [2023-08-30 15:02:48,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2423 treesize of output 2295 [2023-08-30 15:02:48,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2295 treesize of output 2263 [2023-08-30 15:02:48,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2263 treesize of output 2259 [2023-08-30 15:02:48,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2259 treesize of output 2243 [2023-08-30 15:02:48,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2243 treesize of output 2179 [2023-08-30 15:02:48,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2179 treesize of output 2171 [2023-08-30 15:02:48,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4598 treesize of output 4086 [2023-08-30 15:02:48,731 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-30 15:02:48,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2178 treesize of output 1928 [2023-08-30 15:03:27,409 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-08-30 15:03:27,411 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 139 [2023-08-30 15:03:27,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-08-30 15:03:27,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-30 15:03:27,611 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:376) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:311) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 53 more [2023-08-30 15:03:27,614 INFO L158 Benchmark]: Toolchain (without parser) took 348101.00ms. Allocated memory was 88.1MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 64.7MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2023-08-30 15:03:27,614 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 15:03:27,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.08ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 63.9MB in the end (delta: 574.3kB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-30 15:03:27,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.68ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 55.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 15:03:27,615 INFO L158 Benchmark]: Boogie Preprocessor took 108.17ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 48.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 15:03:27,615 INFO L158 Benchmark]: RCFGBuilder took 4376.01ms. Allocated memory was 88.1MB in the beginning and 492.8MB in the end (delta: 404.8MB). Free memory was 48.0MB in the beginning and 391.4MB in the end (delta: -343.3MB). Peak memory consumption was 154.0MB. Max. memory is 16.1GB. [2023-08-30 15:03:27,616 INFO L158 Benchmark]: TraceAbstraction took 343075.98ms. Allocated memory was 492.8MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 390.3MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2023-08-30 15:03:27,617 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 67.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.08ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 63.9MB in the end (delta: 574.3kB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.68ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 55.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.17ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 48.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4376.01ms. Allocated memory was 88.1MB in the beginning and 492.8MB in the end (delta: 404.8MB). Free memory was 48.0MB in the beginning and 391.4MB in the end (delta: -343.3MB). Peak memory consumption was 154.0MB. Max. memory is 16.1GB. * TraceAbstraction took 343075.98ms. Allocated memory was 492.8MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 390.3MB in the beginning and 1.4GB in the end (delta: -1.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.3s, 479 PlacesBefore, 99 PlacesAfterwards, 524 TransitionsBefore, 108 TransitionsAfterwards, 15552 CoEnabledTransitionPairs, 7 FixpointIterations, 320 TrivialSequentialCompositions, 217 ConcurrentSequentialCompositions, 78 TrivialYvCompositions, 25 ConcurrentYvCompositions, 36 ChoiceCompositions, 676 TotalNumberOfCompositions, 18944 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18129, independent: 18111, independent conditional: 0, independent unconditional: 18111, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7433, independent: 7416, independent conditional: 0, independent unconditional: 7416, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18129, independent: 10695, independent conditional: 0, independent unconditional: 10695, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7433, unknown conditional: 0, unknown unconditional: 7433] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.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 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 15:03:29,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 15:03:29,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 15:03:29,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 15:03:29,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 15:03:29,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 15:03:29,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 15:03:29,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 15:03:29,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 15:03:29,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 15:03:29,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 15:03:29,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 15:03:29,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 15:03:29,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 15:03:29,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 15:03:29,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 15:03:29,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 15:03:29,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 15:03:29,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 15:03:29,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 15:03:29,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 15:03:29,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 15:03:29,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 15:03:29,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 15:03:29,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 15:03:29,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 15:03:29,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 15:03:29,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 15:03:29,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 15:03:29,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 15:03:29,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 15:03:29,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 15:03:29,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 15:03:29,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 15:03:29,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 15:03:29,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 15:03:29,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 15:03:29,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 15:03:29,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 15:03:29,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 15:03:29,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 15:03:29,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 15:03:29,604 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 15:03:29,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 15:03:29,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 15:03:29,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 15:03:29,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 15:03:29,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 15:03:29,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 15:03:29,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 15:03:29,608 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 15:03:29,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 15:03:29,609 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 15:03:29,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 15:03:29,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 15:03:29,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 15:03:29,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 15:03:29,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 15:03:29,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 15:03:29,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 15:03:29,610 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 15:03:29,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 15:03:29,611 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 15:03:29,611 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 15:03:29,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 15:03:29,611 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 15:03:29,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 15:03:29,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 15:03:29,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 15:03:29,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 15:03:29,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 15:03:29,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 15:03:29,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 15:03:29,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 15:03:29,613 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 15:03:29,613 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 15:03:29,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 15:03:29,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 15:03:29,614 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 15:03:29,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 15:03:29,614 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 15:03:29,614 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 15:03:29,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 15:03:29,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 15:03:29,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 15:03:29,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 15:03:29,960 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 15:03:29,961 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 15:03:29,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-08-30 15:03:31,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 15:03:31,357 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 15:03:31,357 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-08-30 15:03:31,369 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb572edf/630ad5e001ca4048a740907cc81f45fb/FLAG02bfeee8f [2023-08-30 15:03:31,385 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fb572edf/630ad5e001ca4048a740907cc81f45fb [2023-08-30 15:03:31,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 15:03:31,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 15:03:31,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 15:03:31,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 15:03:31,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 15:03:31,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:31,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8c3b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31, skipping insertion in model container [2023-08-30 15:03:31,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:31,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 15:03:31,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 15:03:31,664 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2023-08-30 15:03:31,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:03:31,701 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 15:03:31,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 15:03:31,805 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2023-08-30 15:03:31,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:03:31,811 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 15:03:31,889 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c[12821,12834] [2023-08-30 15:03:31,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 15:03:31,906 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 15:03:31,909 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 15:03:31,914 INFO L208 MainTranslator]: Completed translation [2023-08-30 15:03:31,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31 WrapperNode [2023-08-30 15:03:31,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 15:03:31,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 15:03:31,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 15:03:31,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 15:03:31,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:31,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,060 INFO L138 Inliner]: procedures = 27, calls = 307, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1664 [2023-08-30 15:03:32,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 15:03:32,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 15:03:32,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 15:03:32,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 15:03:32,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 15:03:32,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 15:03:32,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 15:03:32,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 15:03:32,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (1/1) ... [2023-08-30 15:03:32,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 15:03:32,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 15:03:32,209 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 15:03:32,219 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 15:03:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 15:03:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 15:03:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 15:03:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 15:03:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 15:03:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 15:03:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 15:03:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 15:03:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 15:03:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 15:03:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 15:03:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 15:03:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 15:03:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 15:03:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 15:03:32,242 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 15:03:32,429 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 15:03:32,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 15:03:34,377 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 15:03:37,213 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 15:03:37,213 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-08-30 15:03:37,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:03:37 BoogieIcfgContainer [2023-08-30 15:03:37,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 15:03:37,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 15:03:37,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 15:03:37,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 15:03:37,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 03:03:31" (1/3) ... [2023-08-30 15:03:37,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118821d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:03:37, skipping insertion in model container [2023-08-30 15:03:37,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:03:31" (2/3) ... [2023-08-30 15:03:37,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118821d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:03:37, skipping insertion in model container [2023-08-30 15:03:37,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:03:37" (3/3) ... [2023-08-30 15:03:37,226 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2023-08-30 15:03:37,234 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 15:03:37,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 15:03:37,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-08-30 15:03:37,244 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 15:03:37,936 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 15:03:37,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 487 places, 533 transitions, 1082 flow [2023-08-30 15:03:38,194 INFO L130 PetriNetUnfolder]: 53/531 cut-off events. [2023-08-30 15:03:38,194 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 15:03:38,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 531 events. 53/531 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1062 event pairs, 0 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 425. Up to 7 conditions per place. [2023-08-30 15:03:38,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 487 places, 533 transitions, 1082 flow [2023-08-30 15:03:38,211 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 471 places, 516 transitions, 1044 flow [2023-08-30 15:03:38,214 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 15:03:38,221 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 516 transitions, 1044 flow [2023-08-30 15:03:38,223 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 516 transitions, 1044 flow [2023-08-30 15:03:38,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 471 places, 516 transitions, 1044 flow [2023-08-30 15:03:38,427 INFO L130 PetriNetUnfolder]: 52/516 cut-off events. [2023-08-30 15:03:38,427 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 15:03:38,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 516 events. 52/516 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1063 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 425. Up to 7 conditions per place. [2023-08-30 15:03:38,439 INFO L119 LiptonReduction]: Number of co-enabled transitions 15552 [2023-08-30 15:04:02,128 WARN L222 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 540 DAG size of output: 376 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 15:07:48,756 INFO L134 LiptonReduction]: Checked pairs total: 19421 [2023-08-30 15:07:48,756 INFO L136 LiptonReduction]: Total number of compositions: 675 [2023-08-30 15:07:48,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 15:07:48,772 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;@47127113, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 15:07:48,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2023-08-30 15:07:48,774 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-30 15:07:48,774 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 15:07:48,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 15:07:48,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-30 15:07:48,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-08-30 15:07:48,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 15:07:48,780 INFO L85 PathProgramCache]: Analyzing trace with hash 196099, now seen corresponding path program 1 times [2023-08-30 15:07:48,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 15:07:48,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126245684] [2023-08-30 15:07:48,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 15:07:48,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 15:07:48,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 15:07:48,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 15:07:48,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-08-30 15:07:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 15:07:49,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-08-30 15:07:49,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 15:07:49,578 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 15:07:49,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 15:07:49,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 15:07:49,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126245684] [2023-08-30 15:07:49,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126245684] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 15:07:49,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 15:07:49,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 15:07:49,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672892047] [2023-08-30 15:07:49,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 15:07:49,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 15:07:49,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 15:07:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 15:07:49,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 15:07:49,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 1208 [2023-08-30 15:07:49,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 108 transitions, 228 flow. Second operand has 2 states, 2 states have (on average 416.0) internal successors, (832), 2 states have internal predecessors, (832), 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 15:07:49,630 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 15:07:49,630 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 1208 [2023-08-30 15:07:49,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 15:07:50,503 INFO L130 PetriNetUnfolder]: 133/191 cut-off events. [2023-08-30 15:07:50,503 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2023-08-30 15:07:50,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 191 events. 133/191 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 370 event pairs, 45 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 308. Up to 192 conditions per place. [2023-08-30 15:07:50,505 INFO L137 encePairwiseOnDemand]: 1138/1208 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2023-08-30 15:07:50,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 38 transitions, 164 flow [2023-08-30 15:07:50,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 15:07:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 15:07:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 938 transitions. [2023-08-30 15:07:50,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3882450331125828 [2023-08-30 15:07:50,523 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 938 transitions. [2023-08-30 15:07:50,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 938 transitions. [2023-08-30 15:07:50,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 15:07:50,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 938 transitions. [2023-08-30 15:07:50,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 469.0) internal successors, (938), 2 states have internal predecessors, (938), 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 15:07:50,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1208.0) internal successors, (3624), 3 states have internal predecessors, (3624), 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 15:07:50,547 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1208.0) internal successors, (3624), 3 states have internal predecessors, (3624), 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 15:07:50,549 INFO L175 Difference]: Start difference. First operand has 99 places, 108 transitions, 228 flow. Second operand 2 states and 938 transitions. [2023-08-30 15:07:50,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 38 transitions, 164 flow [2023-08-30 15:07:50,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 38 transitions, 156 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-30 15:07:50,554 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-08-30 15:07:50,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1208, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2023-08-30 15:07:50,563 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -73 predicate places. [2023-08-30 15:07:50,563 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-08-30 15:07:50,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 416.0) internal successors, (832), 2 states have internal predecessors, (832), 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 15:07:50,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 124 remaining) [2023-08-30 15:07:50,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 124 remaining) [2023-08-30 15:07:50,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 124 remaining) [2023-08-30 15:07:50,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 124 remaining) [2023-08-30 15:07:50,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 124 remaining) [2023-08-30 15:07:50,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 124 remaining) [2023-08-30 15:07:50,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 124 remaining) [2023-08-30 15:07:50,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 124 remaining) [2023-08-30 15:07:50,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 124 remaining) [2023-08-30 15:07:50,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 124 remaining) [2023-08-30 15:07:50,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 124 remaining) [2023-08-30 15:07:50,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 124 remaining) [2023-08-30 15:07:50,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 124 remaining) [2023-08-30 15:07:50,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 124 remaining) [2023-08-30 15:07:50,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 124 remaining) [2023-08-30 15:07:50,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 124 remaining) [2023-08-30 15:07:50,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 124 remaining) [2023-08-30 15:07:50,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 124 remaining) [2023-08-30 15:07:50,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 124 remaining) [2023-08-30 15:07:50,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 124 remaining) [2023-08-30 15:07:50,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 124 remaining) [2023-08-30 15:07:50,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 124 remaining) [2023-08-30 15:07:50,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 124 remaining) [2023-08-30 15:07:50,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 124 remaining) [2023-08-30 15:07:50,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 124 remaining) [2023-08-30 15:07:50,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 124 remaining) [2023-08-30 15:07:50,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 124 remaining) [2023-08-30 15:07:50,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 124 remaining) [2023-08-30 15:07:50,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 124 remaining) [2023-08-30 15:07:50,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 124 remaining) [2023-08-30 15:07:50,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 124 remaining) [2023-08-30 15:07:50,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 124 remaining) [2023-08-30 15:07:50,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 124 remaining) [2023-08-30 15:07:50,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 124 remaining) [2023-08-30 15:07:50,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 124 remaining) [2023-08-30 15:07:50,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 124 remaining) [2023-08-30 15:07:50,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 124 remaining) [2023-08-30 15:07:50,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 124 remaining) [2023-08-30 15:07:50,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 124 remaining) [2023-08-30 15:07:50,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 124 remaining) [2023-08-30 15:07:50,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 124 remaining) [2023-08-30 15:07:50,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 124 remaining) [2023-08-30 15:07:50,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 124 remaining) [2023-08-30 15:07:50,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 124 remaining) [2023-08-30 15:07:50,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 124 remaining) [2023-08-30 15:07:50,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 124 remaining) [2023-08-30 15:07:50,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 124 remaining) [2023-08-30 15:07:50,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 124 remaining) [2023-08-30 15:07:50,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 124 remaining) [2023-08-30 15:07:50,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 124 remaining) [2023-08-30 15:07:50,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 124 remaining) [2023-08-30 15:07:50,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 124 remaining) [2023-08-30 15:07:50,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 124 remaining) [2023-08-30 15:07:50,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 124 remaining) [2023-08-30 15:07:50,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 124 remaining) [2023-08-30 15:07:50,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 124 remaining) [2023-08-30 15:07:50,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 124 remaining) [2023-08-30 15:07:50,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 124 remaining) [2023-08-30 15:07:50,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 124 remaining) [2023-08-30 15:07:50,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 124 remaining) [2023-08-30 15:07:50,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 124 remaining) [2023-08-30 15:07:50,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 124 remaining) [2023-08-30 15:07:50,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 124 remaining) [2023-08-30 15:07:50,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 124 remaining) [2023-08-30 15:07:50,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 124 remaining) [2023-08-30 15:07:50,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 124 remaining) [2023-08-30 15:07:50,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 124 remaining) [2023-08-30 15:07:50,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 124 remaining) [2023-08-30 15:07:50,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 124 remaining) [2023-08-30 15:07:50,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 124 remaining) [2023-08-30 15:07:50,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 124 remaining) [2023-08-30 15:07:50,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 124 remaining) [2023-08-30 15:07:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 124 remaining) [2023-08-30 15:07:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 124 remaining) [2023-08-30 15:07:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 124 remaining) [2023-08-30 15:07:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 124 remaining) [2023-08-30 15:07:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 124 remaining) [2023-08-30 15:07:50,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 124 remaining) [2023-08-30 15:07:50,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 124 remaining) [2023-08-30 15:07:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 124 remaining) [2023-08-30 15:07:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 124 remaining) [2023-08-30 15:07:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 124 remaining) [2023-08-30 15:07:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 124 remaining) [2023-08-30 15:07:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 124 remaining) [2023-08-30 15:07:50,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 124 remaining) [2023-08-30 15:07:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 124 remaining) [2023-08-30 15:07:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 124 remaining) [2023-08-30 15:07:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 124 remaining) [2023-08-30 15:07:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 124 remaining) [2023-08-30 15:07:50,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 124 remaining) [2023-08-30 15:07:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 124 remaining) [2023-08-30 15:07:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 124 remaining) [2023-08-30 15:07:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 124 remaining) [2023-08-30 15:07:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 124 remaining) [2023-08-30 15:07:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 124 remaining) [2023-08-30 15:07:50,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 124 remaining) [2023-08-30 15:07:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 124 remaining) [2023-08-30 15:07:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 124 remaining) [2023-08-30 15:07:50,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 124 remaining) [2023-08-30 15:07:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 124 remaining) [2023-08-30 15:07:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 124 remaining) [2023-08-30 15:07:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 124 remaining) [2023-08-30 15:07:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 124 remaining) [2023-08-30 15:07:50,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 124 remaining) [2023-08-30 15:07:50,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 124 remaining) [2023-08-30 15:07:50,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 124 remaining) [2023-08-30 15:07:50,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 124 remaining) [2023-08-30 15:07:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 124 remaining) [2023-08-30 15:07:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 124 remaining) [2023-08-30 15:07:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 124 remaining) [2023-08-30 15:07:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 124 remaining) [2023-08-30 15:07:50,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 124 remaining) [2023-08-30 15:07:50,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 124 remaining) [2023-08-30 15:07:50,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 124 remaining) [2023-08-30 15:07:50,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 124 remaining) [2023-08-30 15:07:50,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 124 remaining) [2023-08-30 15:07:50,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 124 remaining) [2023-08-30 15:07:50,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 124 remaining) [2023-08-30 15:07:50,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-08-30 15:07:50,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 15:07:50,800 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-30 15:07:50,806 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 15:07:50,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 15:07:50,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 03:07:50 BasicIcfg [2023-08-30 15:07:50,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 15:07:50,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 15:07:50,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 15:07:50,810 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 15:07:50,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:03:37" (3/4) ... [2023-08-30 15:07:50,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 15:07:50,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-30 15:07:50,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-30 15:07:50,825 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2023-08-30 15:07:50,829 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 15:07:50,829 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 15:07:50,830 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 15:07:50,957 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 15:07:50,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 15:07:50,960 INFO L158 Benchmark]: Toolchain (without parser) took 259571.05ms. Allocated memory was 71.3MB in the beginning and 1.0GB in the end (delta: 947.9MB). Free memory was 43.4MB in the beginning and 910.0MB in the end (delta: -866.6MB). Peak memory consumption was 528.2MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,960 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 15:07:50,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.14ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 32.9MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.35ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.9MB in the beginning and 66.5MB in the end (delta: -33.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,963 INFO L158 Benchmark]: Boogie Preprocessor took 112.01ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 58.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,963 INFO L158 Benchmark]: RCFGBuilder took 5042.65ms. Allocated memory was 92.3MB in the beginning and 415.2MB in the end (delta: 323.0MB). Free memory was 58.1MB in the beginning and 258.4MB in the end (delta: -200.3MB). Peak memory consumption was 234.2MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,964 INFO L158 Benchmark]: TraceAbstraction took 253589.67ms. Allocated memory was 415.2MB in the beginning and 1.0GB in the end (delta: 604.0MB). Free memory was 258.4MB in the beginning and 469.4MB in the end (delta: -211.0MB). Peak memory consumption was 545.2MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,964 INFO L158 Benchmark]: Witness Printer took 149.61ms. Allocated memory is still 1.0GB. Free memory was 468.4MB in the beginning and 910.0MB in the end (delta: -441.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-08-30 15:07:50,968 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 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.14ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 32.9MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.35ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 32.9MB in the beginning and 66.5MB in the end (delta: -33.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.01ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 58.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5042.65ms. Allocated memory was 92.3MB in the beginning and 415.2MB in the end (delta: 323.0MB). Free memory was 58.1MB in the beginning and 258.4MB in the end (delta: -200.3MB). Peak memory consumption was 234.2MB. Max. memory is 16.1GB. * TraceAbstraction took 253589.67ms. Allocated memory was 415.2MB in the beginning and 1.0GB in the end (delta: 604.0MB). Free memory was 258.4MB in the beginning and 469.4MB in the end (delta: -211.0MB). Peak memory consumption was 545.2MB. Max. memory is 16.1GB. * Witness Printer took 149.61ms. Allocated memory is still 1.0GB. Free memory was 468.4MB in the beginning and 910.0MB in the end (delta: -441.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.5s, 471 PlacesBefore, 99 PlacesAfterwards, 516 TransitionsBefore, 108 TransitionsAfterwards, 15552 CoEnabledTransitionPairs, 8 FixpointIterations, 315 TrivialSequentialCompositions, 223 ConcurrentSequentialCompositions, 77 TrivialYvCompositions, 24 ConcurrentYvCompositions, 36 ChoiceCompositions, 675 TotalNumberOfCompositions, 19421 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18789, independent: 18770, independent conditional: 0, independent unconditional: 18770, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7636, independent: 7621, independent conditional: 0, independent unconditional: 7621, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18789, independent: 11149, independent conditional: 0, independent unconditional: 11149, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 7636, unknown conditional: 0, unknown unconditional: 7636] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 159, Positive conditional cache size: 0, Positive unconditional cache size: 159, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 253]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 245]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: 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 5 procedures, 627 locations, 124 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: 252.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 250.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 1 SizeOfPredicates, 0 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 15:07:51,069 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