./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 BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 07:35:48,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 07:35:48,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 07:35:48,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 07:35:48,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 07:35:48,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 07:35:48,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 07:35:48,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 07:35:48,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 07:35:48,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 07:35:48,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 07:35:48,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 07:35:48,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 07:35:48,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 07:35:48,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 07:35:48,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 07:35:48,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 07:35:48,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 07:35:48,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 07:35:48,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 07:35:48,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 07:35:48,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 07:35:48,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 07:35:48,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 07:35:48,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 07:35:48,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 07:35:48,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 07:35:48,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 07:35:48,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 07:35:48,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 07:35:48,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 07:35:48,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 07:35:48,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 07:35:48,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 07:35:48,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 07:35:48,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 07:35:48,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 07:35:48,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 07:35:48,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 07:35:48,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 07:35:48,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 07:35:48,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 07:35:48,931 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 07:35:48,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 07:35:48,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 07:35:48,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 07:35:48,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 07:35:48,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 07:35:48,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 07:35:48,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 07:35:48,933 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 07:35:48,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 07:35:48,934 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 07:35:48,934 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 07:35:48,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 07:35:48,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 07:35:48,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 07:35:48,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 07:35:48,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 07:35:48,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 07:35:48,935 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 07:35:48,936 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 07:35:48,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 07:35:48,936 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 07:35:48,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 07:35:48,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 07:35:48,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 07:35:48,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 07:35:48,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 07:35:48,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 07:35:48,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 07:35:48,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 07:35:48,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 07:35:48,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 07:35:48,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 07:35:48,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 07:35:48,939 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 07:35:48,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 07:35:48,939 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 07:35:48,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 07:35:49,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 07:35:49,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 07:35:49,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 07:35:49,272 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 07:35:49,273 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 07:35:49,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-09-01 07:35:50,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 07:35:50,703 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 07:35:50,703 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-09-01 07:35:50,720 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47decbdc/c463c91322c645309df9a0ccabaf44f7/FLAG3f4ca7055 [2023-09-01 07:35:50,735 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47decbdc/c463c91322c645309df9a0ccabaf44f7 [2023-09-01 07:35:50,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 07:35:50,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 07:35:50,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 07:35:50,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 07:35:50,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 07:35:50,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 07:35:50" (1/1) ... [2023-09-01 07:35:50,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a2161f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:50, skipping insertion in model container [2023-09-01 07:35:50,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 07:35:50" (1/1) ... [2023-09-01 07:35:50,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 07:35:50,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 07:35:51,073 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] [2023-09-01 07:35:51,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:35:51,096 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 07:35:51,183 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] [2023-09-01 07:35:51,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:35:51,200 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 07:35:51,212 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 07:35:51,218 INFO L208 MainTranslator]: Completed translation [2023-09-01 07:35:51,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51 WrapperNode [2023-09-01 07:35:51,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 07:35:51,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 07:35:51,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 07:35:51,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 07:35:51,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,308 INFO L138 Inliner]: procedures = 25, calls = 307, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1680 [2023-09-01 07:35:51,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 07:35:51,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 07:35:51,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 07:35:51,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 07:35:51,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 07:35:51,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 07:35:51,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 07:35:51,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 07:35:51,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 07:35:51,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:35:51,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-01 07:35:51,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-01 07:35:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 07:35:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 07:35:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 07:35:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 07:35:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-01 07:35:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-01 07:35:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-01 07:35:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-01 07:35:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 07:35:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 07:35:51,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 07:35:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 07:35:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 07:35:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 07:35:51,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 07:35:51,540 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 07:35:51,697 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 07:35:51,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 07:35:53,207 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 07:35:55,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 07:35:55,577 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-09-01 07:35:55,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:35:55 BoogieIcfgContainer [2023-09-01 07:35:55,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 07:35:55,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 07:35:55,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 07:35:55,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 07:35:55,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 07:35:50" (1/3) ... [2023-09-01 07:35:55,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a4513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 07:35:55, skipping insertion in model container [2023-09-01 07:35:55,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (2/3) ... [2023-09-01 07:35:55,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a4513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 07:35:55, skipping insertion in model container [2023-09-01 07:35:55,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:35:55" (3/3) ... [2023-09-01 07:35:55,590 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2023-09-01 07:35:55,597 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 07:35:55,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 07:35:55,606 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-09-01 07:35:55,606 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 07:35:56,359 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-01 07:35:56,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 495 places, 541 transitions, 1098 flow [2023-09-01 07:35:56,618 INFO L130 PetriNetUnfolder]: 53/539 cut-off events. [2023-09-01 07:35:56,619 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 07:35:56,626 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. [2023-09-01 07:35:56,626 INFO L82 GeneralOperation]: Start removeDead. Operand has 495 places, 541 transitions, 1098 flow [2023-09-01 07:35:56,635 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 479 places, 524 transitions, 1060 flow [2023-09-01 07:35:56,638 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 07:35:56,646 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 524 transitions, 1060 flow [2023-09-01 07:35:56,648 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 524 transitions, 1060 flow [2023-09-01 07:35:56,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 479 places, 524 transitions, 1060 flow [2023-09-01 07:35:56,830 INFO L130 PetriNetUnfolder]: 52/524 cut-off events. [2023-09-01 07:35:56,830 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 07:35:56,833 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. [2023-09-01 07:35:56,841 INFO L119 LiptonReduction]: Number of co-enabled transitions 15552 [2023-09-01 07:37:53,519 INFO L134 LiptonReduction]: Checked pairs total: 18944 [2023-09-01 07:37:53,520 INFO L136 LiptonReduction]: Total number of compositions: 676 [2023-09-01 07:37:53,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 07:37:53,535 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;@10ce1324, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 07:37:53,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2023-09-01 07:37:53,537 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-09-01 07:37:53,538 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 07:37:53,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:37:53,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-09-01 07:37:53,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:37:53,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:37:53,545 INFO L85 PathProgramCache]: Analyzing trace with hash 197359, now seen corresponding path program 1 times [2023-09-01 07:37:53,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:37:53,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327269850] [2023-09-01 07:37:53,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:37:53,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:37:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:37:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:37:53,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:37:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327269850] [2023-09-01 07:37:53,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327269850] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:37:53,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:37:53,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 07:37:53,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016851242] [2023-09-01 07:37:53,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:37:53,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:37:53,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:37:53,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:37:53,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 07:37:53,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1217 [2023-09-01 07:37:53,993 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) [2023-09-01 07:37:53,993 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:37:53,993 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1217 [2023-09-01 07:37:53,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:37:57,371 INFO L130 PetriNetUnfolder]: 3359/5327 cut-off events. [2023-09-01 07:37:57,372 INFO L131 PetriNetUnfolder]: For 142/142 co-relation queries the response was YES. [2023-09-01 07:37:57,377 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. [2023-09-01 07:37:57,398 INFO L137 encePairwiseOnDemand]: 1165/1217 looper letters, 141 selfloop transitions, 16 changer transitions 2/159 dead transitions. [2023-09-01 07:37:57,399 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 159 transitions, 660 flow [2023-09-01 07:37:57,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:37:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:37:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1436 transitions. [2023-09-01 07:37:57,415 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39331689947959464 [2023-09-01 07:37:57,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1436 transitions. [2023-09-01 07:37:57,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1436 transitions. [2023-09-01 07:37:57,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:37:57,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1436 transitions. [2023-09-01 07:37:57,427 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) [2023-09-01 07:37:57,436 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) [2023-09-01 07:37:57,438 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) [2023-09-01 07:37:57,440 INFO L175 Difference]: Start difference. First operand has 99 places, 108 transitions, 228 flow. Second operand 3 states and 1436 transitions. [2023-09-01 07:37:57,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 159 transitions, 660 flow [2023-09-01 07:37:57,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 159 transitions, 644 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-09-01 07:37:57,448 INFO L231 Difference]: Finished difference. Result has 79 places, 102 transitions, 333 flow [2023-09-01 07:37:57,450 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} [2023-09-01 07:37:57,453 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -20 predicate places. [2023-09-01 07:37:57,453 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 102 transitions, 333 flow [2023-09-01 07:37:57,454 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) [2023-09-01 07:37:57,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:37:57,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-09-01 07:37:57,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 07:37:57,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:37:57,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:37:57,456 INFO L85 PathProgramCache]: Analyzing trace with hash 6126729, now seen corresponding path program 1 times [2023-09-01 07:37:57,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:37:57,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247525115] [2023-09-01 07:37:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:37:57,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:37:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:37:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:37:57,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:37:57,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247525115] [2023-09-01 07:37:57,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247525115] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:37:57,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:37:57,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 07:37:57,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173775506] [2023-09-01 07:37:57,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:37:57,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:37:57,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:37:57,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:37:57,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 07:37:57,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1217 [2023-09-01 07:37:57,603 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) [2023-09-01 07:37:57,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:37:57,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1217 [2023-09-01 07:37:57,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:00,734 INFO L130 PetriNetUnfolder]: 3359/5317 cut-off events. [2023-09-01 07:38:00,734 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2023-09-01 07:38:00,737 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. [2023-09-01 07:38:00,751 INFO L137 encePairwiseOnDemand]: 1208/1217 looper letters, 93 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2023-09-01 07:38:00,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 94 transitions, 489 flow [2023-09-01 07:38:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:38:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:38:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2023-09-01 07:38:00,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3582580115036976 [2023-09-01 07:38:00,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1308 transitions. [2023-09-01 07:38:00,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1308 transitions. [2023-09-01 07:38:00,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:00,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1308 transitions. [2023-09-01 07:38:00,760 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) [2023-09-01 07:38:00,766 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) [2023-09-01 07:38:00,768 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) [2023-09-01 07:38:00,768 INFO L175 Difference]: Start difference. First operand has 79 places, 102 transitions, 333 flow. Second operand 3 states and 1308 transitions. [2023-09-01 07:38:00,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 94 transitions, 489 flow [2023-09-01 07:38:00,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 94 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 07:38:00,771 INFO L231 Difference]: Finished difference. Result has 70 places, 94 transitions, 271 flow [2023-09-01 07:38:00,772 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} [2023-09-01 07:38:00,772 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -29 predicate places. [2023-09-01 07:38:00,773 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 271 flow [2023-09-01 07:38:00,773 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) [2023-09-01 07:38:00,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:00,774 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-09-01 07:38:00,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 07:38:00,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:00,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:00,775 INFO L85 PathProgramCache]: Analyzing trace with hash 6126816, now seen corresponding path program 1 times [2023-09-01 07:38:00,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:00,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656646257] [2023-09-01 07:38:00,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:00,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:38:00,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:00,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656646257] [2023-09-01 07:38:00,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656646257] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:00,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136257606] [2023-09-01 07:38:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:00,845 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) [2023-09-01 07:38:00,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-09-01 07:38:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:01,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-01 07:38:01,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:38:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:38:01,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:38:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:38:01,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136257606] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 07:38:01,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-01 07:38:01,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-09-01 07:38:01,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613620811] [2023-09-01 07:38:01,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-01 07:38:01,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 07:38:01,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:01,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 07:38:01,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-09-01 07:38:01,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 1217 [2023-09-01 07:38:01,866 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) [2023-09-01 07:38:01,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:01,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 1217 [2023-09-01 07:38:01,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:09,256 INFO L130 PetriNetUnfolder]: 8396/13279 cut-off events. [2023-09-01 07:38:09,257 INFO L131 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2023-09-01 07:38:09,263 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. [2023-09-01 07:38:09,304 INFO L137 encePairwiseOnDemand]: 1193/1217 looper letters, 298 selfloop transitions, 61 changer transitions 0/359 dead transitions. [2023-09-01 07:38:09,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 359 transitions, 1621 flow [2023-09-01 07:38:09,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 07:38:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 07:38:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2825 transitions. [2023-09-01 07:38:09,313 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3868803067652698 [2023-09-01 07:38:09,313 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2825 transitions. [2023-09-01 07:38:09,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2825 transitions. [2023-09-01 07:38:09,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:09,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2825 transitions. [2023-09-01 07:38:09,321 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) [2023-09-01 07:38:09,332 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) [2023-09-01 07:38:09,335 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) [2023-09-01 07:38:09,336 INFO L175 Difference]: Start difference. First operand has 70 places, 94 transitions, 271 flow. Second operand 6 states and 2825 transitions. [2023-09-01 07:38:09,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 359 transitions, 1621 flow [2023-09-01 07:38:09,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 359 transitions, 1620 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 07:38:09,342 INFO L231 Difference]: Finished difference. Result has 77 places, 139 transitions, 705 flow [2023-09-01 07:38:09,342 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} [2023-09-01 07:38:09,343 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -22 predicate places. [2023-09-01 07:38:09,343 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 139 transitions, 705 flow [2023-09-01 07:38:09,344 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) [2023-09-01 07:38:09,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:09,345 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1] [2023-09-01 07:38:09,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-09-01 07:38:09,554 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 [2023-09-01 07:38:09,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:09,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:09,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2141297094, now seen corresponding path program 2 times [2023-09-01 07:38:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:09,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537677506] [2023-09-01 07:38:09,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:38:09,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:09,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537677506] [2023-09-01 07:38:09,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537677506] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:09,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79674696] [2023-09-01 07:38:09,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-01 07:38:09,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:09,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:09,719 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) [2023-09-01 07:38:09,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-01 07:38:10,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-09-01 07:38:10,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 07:38:10,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2023-09-01 07:38:10,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:38:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-01 07:38:10,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-01 07:38:10,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79674696] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:38:10,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-01 07:38:10,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2023-09-01 07:38:10,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064645965] [2023-09-01 07:38:10,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:38:10,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:38:10,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:10,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:38:10,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-09-01 07:38:10,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 1217 [2023-09-01 07:38:10,578 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) [2023-09-01 07:38:10,578 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:10,578 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 1217 [2023-09-01 07:38:10,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:16,877 INFO L130 PetriNetUnfolder]: 8396/13273 cut-off events. [2023-09-01 07:38:16,877 INFO L131 PetriNetUnfolder]: For 115/115 co-relation queries the response was YES. [2023-09-01 07:38:16,887 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. [2023-09-01 07:38:16,919 INFO L137 encePairwiseOnDemand]: 1209/1217 looper letters, 127 selfloop transitions, 6 changer transitions 0/133 dead transitions. [2023-09-01 07:38:16,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 133 transitions, 911 flow [2023-09-01 07:38:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:38:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:38:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1324 transitions. [2023-09-01 07:38:16,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36264037250068476 [2023-09-01 07:38:16,925 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1324 transitions. [2023-09-01 07:38:16,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1324 transitions. [2023-09-01 07:38:16,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:16,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1324 transitions. [2023-09-01 07:38:16,929 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) [2023-09-01 07:38:16,934 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) [2023-09-01 07:38:16,937 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) [2023-09-01 07:38:16,937 INFO L175 Difference]: Start difference. First operand has 77 places, 139 transitions, 705 flow. Second operand 3 states and 1324 transitions. [2023-09-01 07:38:16,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 133 transitions, 911 flow [2023-09-01 07:38:16,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 133 transitions, 826 flow, removed 24 selfloop flow, removed 1 redundant places. [2023-09-01 07:38:16,944 INFO L231 Difference]: Finished difference. Result has 72 places, 133 transitions, 572 flow [2023-09-01 07:38:16,945 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} [2023-09-01 07:38:16,946 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -27 predicate places. [2023-09-01 07:38:16,946 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 133 transitions, 572 flow [2023-09-01 07:38:16,947 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) [2023-09-01 07:38:16,947 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:16,947 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:16,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-01 07:38:17,159 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 [2023-09-01 07:38:17,159 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:17,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:17,160 INFO L85 PathProgramCache]: Analyzing trace with hash 491391055, now seen corresponding path program 1 times [2023-09-01 07:38:17,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:17,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890765064] [2023-09-01 07:38:17,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:17,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:38:17,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890765064] [2023-09-01 07:38:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890765064] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:38:17,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:38:17,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 07:38:17,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369958447] [2023-09-01 07:38:17,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:38:17,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:38:17,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:17,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:38:17,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 07:38:17,415 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 1217 [2023-09-01 07:38:17,416 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) [2023-09-01 07:38:17,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:17,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 1217 [2023-09-01 07:38:17,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:22,745 INFO L130 PetriNetUnfolder]: 6721/10631 cut-off events. [2023-09-01 07:38:22,745 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2023-09-01 07:38:22,756 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. [2023-09-01 07:38:22,784 INFO L137 encePairwiseOnDemand]: 1207/1217 looper letters, 112 selfloop transitions, 18 changer transitions 0/130 dead transitions. [2023-09-01 07:38:22,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 130 transitions, 820 flow [2023-09-01 07:38:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:38:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:38:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2023-09-01 07:38:22,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35004108463434674 [2023-09-01 07:38:22,790 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2023-09-01 07:38:22,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2023-09-01 07:38:22,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:22,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2023-09-01 07:38:22,796 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) [2023-09-01 07:38:22,800 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) [2023-09-01 07:38:22,801 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) [2023-09-01 07:38:22,802 INFO L175 Difference]: Start difference. First operand has 72 places, 133 transitions, 572 flow. Second operand 3 states and 1278 transitions. [2023-09-01 07:38:22,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 130 transitions, 820 flow [2023-09-01 07:38:22,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 130 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 07:38:22,808 INFO L231 Difference]: Finished difference. Result has 73 places, 130 transitions, 604 flow [2023-09-01 07:38:22,808 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} [2023-09-01 07:38:22,811 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -26 predicate places. [2023-09-01 07:38:22,811 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 130 transitions, 604 flow [2023-09-01 07:38:22,811 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) [2023-09-01 07:38:22,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:22,812 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:22,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-01 07:38:22,812 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:22,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:22,812 INFO L85 PathProgramCache]: Analyzing trace with hash 911099676, now seen corresponding path program 1 times [2023-09-01 07:38:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:22,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623242411] [2023-09-01 07:38:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-09-01 07:38:22,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:22,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623242411] [2023-09-01 07:38:22,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623242411] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:38:22,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:38:22,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 07:38:22,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489547847] [2023-09-01 07:38:22,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:38:22,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:38:22,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:22,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:38:22,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 07:38:23,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 1217 [2023-09-01 07:38:23,086 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) [2023-09-01 07:38:23,087 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:23,087 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 1217 [2023-09-01 07:38:23,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:28,440 INFO L130 PetriNetUnfolder]: 6717/10627 cut-off events. [2023-09-01 07:38:28,440 INFO L131 PetriNetUnfolder]: For 115/115 co-relation queries the response was YES. [2023-09-01 07:38:28,450 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. [2023-09-01 07:38:28,480 INFO L137 encePairwiseOnDemand]: 1208/1217 looper letters, 106 selfloop transitions, 20 changer transitions 0/126 dead transitions. [2023-09-01 07:38:28,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 126 transitions, 837 flow [2023-09-01 07:38:28,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:38:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:38:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2023-09-01 07:38:28,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35004108463434674 [2023-09-01 07:38:28,485 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2023-09-01 07:38:28,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2023-09-01 07:38:28,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:28,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2023-09-01 07:38:28,489 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) [2023-09-01 07:38:28,494 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) [2023-09-01 07:38:28,495 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) [2023-09-01 07:38:28,495 INFO L175 Difference]: Start difference. First operand has 73 places, 130 transitions, 604 flow. Second operand 3 states and 1278 transitions. [2023-09-01 07:38:28,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 126 transitions, 837 flow [2023-09-01 07:38:28,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 126 transitions, 820 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 07:38:28,499 INFO L231 Difference]: Finished difference. Result has 74 places, 126 transitions, 608 flow [2023-09-01 07:38:28,500 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} [2023-09-01 07:38:28,502 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -25 predicate places. [2023-09-01 07:38:28,502 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 126 transitions, 608 flow [2023-09-01 07:38:28,514 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) [2023-09-01 07:38:28,515 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:28,515 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:28,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-01 07:38:28,515 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:28,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1501193704, now seen corresponding path program 1 times [2023-09-01 07:38:28,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:28,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342295072] [2023-09-01 07:38:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:28,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-01 07:38:28,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:28,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342295072] [2023-09-01 07:38:28,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342295072] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:28,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134155686] [2023-09-01 07:38:28,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:28,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:28,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:28,683 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) [2023-09-01 07:38:28,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-01 07:38:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:29,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-09-01 07:38:29,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:38:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-01 07:38:29,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:38:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-01 07:38:29,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134155686] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 07:38:29,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-01 07:38:29,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-09-01 07:38:29,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271585653] [2023-09-01 07:38:29,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-01 07:38:29,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-01 07:38:29,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:29,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-01 07:38:29,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-09-01 07:38:30,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 1217 [2023-09-01 07:38:30,027 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) [2023-09-01 07:38:30,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:30,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 1217 [2023-09-01 07:38:30,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:31,729 INFO L130 PetriNetUnfolder]: 1680/2689 cut-off events. [2023-09-01 07:38:31,730 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2023-09-01 07:38:31,732 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. [2023-09-01 07:38:31,738 INFO L137 encePairwiseOnDemand]: 1198/1217 looper letters, 63 selfloop transitions, 42 changer transitions 0/105 dead transitions. [2023-09-01 07:38:31,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 650 flow [2023-09-01 07:38:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-01 07:38:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-09-01 07:38:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 3193 transitions. [2023-09-01 07:38:31,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3279580936729663 [2023-09-01 07:38:31,747 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 3193 transitions. [2023-09-01 07:38:31,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 3193 transitions. [2023-09-01 07:38:31,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:31,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 3193 transitions. [2023-09-01 07:38:31,754 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) [2023-09-01 07:38:31,764 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) [2023-09-01 07:38:31,766 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) [2023-09-01 07:38:31,766 INFO L175 Difference]: Start difference. First operand has 74 places, 126 transitions, 608 flow. Second operand 8 states and 3193 transitions. [2023-09-01 07:38:31,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 650 flow [2023-09-01 07:38:31,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 105 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 07:38:31,770 INFO L231 Difference]: Finished difference. Result has 82 places, 105 transitions, 548 flow [2023-09-01 07:38:31,770 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} [2023-09-01 07:38:31,772 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -17 predicate places. [2023-09-01 07:38:31,772 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 105 transitions, 548 flow [2023-09-01 07:38:31,773 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) [2023-09-01 07:38:31,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:31,773 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:31,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-01 07:38:31,984 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 [2023-09-01 07:38:31,985 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:31,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:31,985 INFO L85 PathProgramCache]: Analyzing trace with hash -295393420, now seen corresponding path program 2 times [2023-09-01 07:38:31,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:31,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591016896] [2023-09-01 07:38:31,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:31,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-09-01 07:38:32,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:32,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591016896] [2023-09-01 07:38:32,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591016896] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:32,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432302544] [2023-09-01 07:38:32,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-01 07:38:32,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:32,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:32,241 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) [2023-09-01 07:38:32,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-01 07:38:33,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-09-01 07:38:33,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 07:38:33,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2023-09-01 07:38:33,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:38:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-01 07:38:33,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-01 07:38:33,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432302544] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:38:33,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-01 07:38:33,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2023-09-01 07:38:33,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720608409] [2023-09-01 07:38:33,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:38:33,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:38:33,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:33,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:38:33,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-09-01 07:38:33,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 1217 [2023-09-01 07:38:33,188 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) [2023-09-01 07:38:33,188 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:33,188 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 1217 [2023-09-01 07:38:33,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:34,620 INFO L130 PetriNetUnfolder]: 1680/2687 cut-off events. [2023-09-01 07:38:34,621 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2023-09-01 07:38:34,624 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. [2023-09-01 07:38:34,628 INFO L137 encePairwiseOnDemand]: 1214/1217 looper letters, 102 selfloop transitions, 1 changer transitions 0/103 dead transitions. [2023-09-01 07:38:34,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 103 transitions, 728 flow [2023-09-01 07:38:34,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:38:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:38:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1318 transitions. [2023-09-01 07:38:34,632 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36099698712681455 [2023-09-01 07:38:34,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1318 transitions. [2023-09-01 07:38:34,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1318 transitions. [2023-09-01 07:38:34,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:34,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1318 transitions. [2023-09-01 07:38:34,635 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) [2023-09-01 07:38:34,639 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) [2023-09-01 07:38:34,640 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) [2023-09-01 07:38:34,640 INFO L175 Difference]: Start difference. First operand has 82 places, 105 transitions, 548 flow. Second operand 3 states and 1318 transitions. [2023-09-01 07:38:34,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 103 transitions, 728 flow [2023-09-01 07:38:34,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 103 transitions, 568 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-09-01 07:38:34,643 INFO L231 Difference]: Finished difference. Result has 72 places, 103 transitions, 364 flow [2023-09-01 07:38:34,644 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} [2023-09-01 07:38:34,644 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -27 predicate places. [2023-09-01 07:38:34,644 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 103 transitions, 364 flow [2023-09-01 07:38:34,645 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) [2023-09-01 07:38:34,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:34,645 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:34,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-01 07:38:34,857 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 [2023-09-01 07:38:34,858 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:34,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:34,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1980362, now seen corresponding path program 1 times [2023-09-01 07:38:34,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:34,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249141989] [2023-09-01 07:38:34,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:34,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-01 07:38:35,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:35,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249141989] [2023-09-01 07:38:35,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249141989] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:35,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133181798] [2023-09-01 07:38:35,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:35,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:35,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:35,221 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) [2023-09-01 07:38:35,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-01 07:38:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:36,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-01 07:38:36,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:38:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-01 07:38:36,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:38:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-09-01 07:38:36,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133181798] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 07:38:36,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-01 07:38:36,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-09-01 07:38:36,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748024591] [2023-09-01 07:38:36,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-01 07:38:36,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-09-01 07:38:36,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:36,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-09-01 07:38:36,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2023-09-01 07:38:37,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 1217 [2023-09-01 07:38:37,086 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) [2023-09-01 07:38:37,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:37,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 1217 [2023-09-01 07:38:37,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:38,621 INFO L130 PetriNetUnfolder]: 1680/2701 cut-off events. [2023-09-01 07:38:38,622 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2023-09-01 07:38:38,624 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. [2023-09-01 07:38:38,629 INFO L137 encePairwiseOnDemand]: 1200/1217 looper letters, 63 selfloop transitions, 54 changer transitions 0/117 dead transitions. [2023-09-01 07:38:38,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 117 transitions, 654 flow [2023-09-01 07:38:38,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-01 07:38:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-09-01 07:38:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 6642 transitions. [2023-09-01 07:38:38,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32104016627193194 [2023-09-01 07:38:38,644 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 6642 transitions. [2023-09-01 07:38:38,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 6642 transitions. [2023-09-01 07:38:38,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:38,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 6642 transitions. [2023-09-01 07:38:38,659 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) [2023-09-01 07:38:38,679 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) [2023-09-01 07:38:38,684 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) [2023-09-01 07:38:38,685 INFO L175 Difference]: Start difference. First operand has 72 places, 103 transitions, 364 flow. Second operand 17 states and 6642 transitions. [2023-09-01 07:38:38,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 117 transitions, 654 flow [2023-09-01 07:38:38,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 117 transitions, 653 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 07:38:38,688 INFO L231 Difference]: Finished difference. Result has 94 places, 117 transitions, 607 flow [2023-09-01 07:38:38,688 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} [2023-09-01 07:38:38,689 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -5 predicate places. [2023-09-01 07:38:38,689 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 117 transitions, 607 flow [2023-09-01 07:38:38,691 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) [2023-09-01 07:38:38,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:38,691 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:38,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-09-01 07:38:38,903 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 [2023-09-01 07:38:38,903 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:38,904 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:38,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1875918174, now seen corresponding path program 2 times [2023-09-01 07:38:38,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:38,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780355143] [2023-09-01 07:38:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:38,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-09-01 07:38:39,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780355143] [2023-09-01 07:38:39,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780355143] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898228547] [2023-09-01 07:38:39,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-01 07:38:39,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:39,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:39,469 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) [2023-09-01 07:38:39,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-01 07:38:40,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-01 07:38:40,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 07:38:40,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-01 07:38:40,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:38:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-09-01 07:38:40,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:38:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-09-01 07:38:40,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898228547] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 07:38:40,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-01 07:38:40,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2023-09-01 07:38:40,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960432084] [2023-09-01 07:38:40,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-01 07:38:40,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-09-01 07:38:40,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:40,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-09-01 07:38:40,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=722, Unknown=0, NotChecked=0, Total=1190 [2023-09-01 07:38:42,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 1217 [2023-09-01 07:38:42,323 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) [2023-09-01 07:38:42,323 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:42,323 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 1217 [2023-09-01 07:38:42,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:38:44,081 INFO L130 PetriNetUnfolder]: 1680/2707 cut-off events. [2023-09-01 07:38:44,082 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-09-01 07:38:44,086 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. [2023-09-01 07:38:44,090 INFO L137 encePairwiseOnDemand]: 1200/1217 looper letters, 63 selfloop transitions, 60 changer transitions 0/123 dead transitions. [2023-09-01 07:38:44,091 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 123 transitions, 889 flow [2023-09-01 07:38:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-01 07:38:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-09-01 07:38:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 7023 transitions. [2023-09-01 07:38:44,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3205970966858395 [2023-09-01 07:38:44,101 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 7023 transitions. [2023-09-01 07:38:44,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 7023 transitions. [2023-09-01 07:38:44,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:38:44,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 7023 transitions. [2023-09-01 07:38:44,111 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) [2023-09-01 07:38:44,128 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) [2023-09-01 07:38:44,131 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) [2023-09-01 07:38:44,131 INFO L175 Difference]: Start difference. First operand has 94 places, 117 transitions, 607 flow. Second operand 18 states and 7023 transitions. [2023-09-01 07:38:44,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 123 transitions, 889 flow [2023-09-01 07:38:44,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 123 transitions, 861 flow, removed 6 selfloop flow, removed 2 redundant places. [2023-09-01 07:38:44,136 INFO L231 Difference]: Finished difference. Result has 112 places, 123 transitions, 781 flow [2023-09-01 07:38:44,136 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} [2023-09-01 07:38:44,137 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 13 predicate places. [2023-09-01 07:38:44,137 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 123 transitions, 781 flow [2023-09-01 07:38:44,140 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) [2023-09-01 07:38:44,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:44,140 INFO L208 CegarLoopForPetriNet]: trace histogram [13, 13, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:38:44,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-01 07:38:44,351 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 [2023-09-01 07:38:44,351 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:38:44,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:44,351 INFO L85 PathProgramCache]: Analyzing trace with hash -992695262, now seen corresponding path program 3 times [2023-09-01 07:38:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428632569] [2023-09-01 07:38:44,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:44,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-09-01 07:38:47,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:47,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428632569] [2023-09-01 07:38:47,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428632569] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:38:47,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395907647] [2023-09-01 07:38:47,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-01 07:38:47,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:38:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:38:47,683 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) [2023-09-01 07:38:47,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-01 07:39:05,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-09-01 07:39:05,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-01 07:39:05,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 74 conjunts are in the unsatisfiable core [2023-09-01 07:39:05,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:39:05,641 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-01 07:39:05,702 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 [2023-09-01 07:39:05,788 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-01 07:39:05,788 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 [2023-09-01 07:39:05,837 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 [2023-09-01 07:39:05,866 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 [2023-09-01 07:39:05,891 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 [2023-09-01 07:39:05,914 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 [2023-09-01 07:39:05,979 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-01 07:39:05,979 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 [2023-09-01 07:39:06,056 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 [2023-09-01 07:39:06,085 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 [2023-09-01 07:39:06,108 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 [2023-09-01 07:39:06,130 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 [2023-09-01 07:39:06,159 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 [2023-09-01 07:39:06,179 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 [2023-09-01 07:39:06,217 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 [2023-09-01 07:39:06,248 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 [2023-09-01 07:39:06,272 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 [2023-09-01 07:39:06,298 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 [2023-09-01 07:39:06,329 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 [2023-09-01 07:39:06,360 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 [2023-09-01 07:39:06,384 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 [2023-09-01 07:39:06,403 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-01 07:39:06,404 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 [2023-09-01 07:39:06,458 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 [2023-09-01 07:39:06,481 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 [2023-09-01 07:39:06,502 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 [2023-09-01 07:39:06,522 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 [2023-09-01 07:39:06,545 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 [2023-09-01 07:39:06,565 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 [2023-09-01 07:39:06,583 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 [2023-09-01 07:39:06,608 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 [2023-09-01 07:39:06,631 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 [2023-09-01 07:39:06,657 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 [2023-09-01 07:39:06,678 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 [2023-09-01 07:39:06,699 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 [2023-09-01 07:39:06,721 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 [2023-09-01 07:39:06,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:06,765 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 [2023-09-01 07:39:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-09-01 07:39:06,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:39:06,880 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 [2023-09-01 07:39:11,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-01 07:39:11,208 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 [2023-09-01 07:39:11,220 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-01 07:39:11,221 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 [2023-09-01 07:39:11,227 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 [2023-09-01 07:39:11,233 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 [2023-09-01 07:39:11,507 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-01 07:39:11,508 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 [2023-09-01 07:39:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 218 trivial. 13 not checked. [2023-09-01 07:39:11,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395907647] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 07:39:11,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-01 07:39:11,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9, 8] total 31 [2023-09-01 07:39:11,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690808436] [2023-09-01 07:39:11,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-01 07:39:11,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-09-01 07:39:11,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:39:11,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-09-01 07:39:11,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=836, Unknown=2, NotChecked=60, Total=1056 [2023-09-01 07:39:11,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 1217 [2023-09-01 07:39:11,876 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) [2023-09-01 07:39:11,876 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:39:11,876 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 1217 [2023-09-01 07:39:11,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:39:16,179 INFO L130 PetriNetUnfolder]: 1716/2811 cut-off events. [2023-09-01 07:39:16,179 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2023-09-01 07:39:16,184 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. [2023-09-01 07:39:16,191 INFO L137 encePairwiseOnDemand]: 1189/1217 looper letters, 141 selfloop transitions, 52 changer transitions 0/193 dead transitions. [2023-09-01 07:39:16,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 193 transitions, 1309 flow [2023-09-01 07:39:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-01 07:39:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-09-01 07:39:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 10071 transitions. [2023-09-01 07:39:16,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2586020953163517 [2023-09-01 07:39:16,211 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 10071 transitions. [2023-09-01 07:39:16,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 10071 transitions. [2023-09-01 07:39:16,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:39:16,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 10071 transitions. [2023-09-01 07:39:16,229 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) [2023-09-01 07:39:16,257 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) [2023-09-01 07:39:16,261 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) [2023-09-01 07:39:16,262 INFO L175 Difference]: Start difference. First operand has 112 places, 123 transitions, 781 flow. Second operand 32 states and 10071 transitions. [2023-09-01 07:39:16,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 193 transitions, 1309 flow [2023-09-01 07:39:16,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 193 transitions, 1205 flow, removed 14 selfloop flow, removed 11 redundant places. [2023-09-01 07:39:16,269 INFO L231 Difference]: Finished difference. Result has 135 places, 129 transitions, 836 flow [2023-09-01 07:39:16,269 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} [2023-09-01 07:39:16,269 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 36 predicate places. [2023-09-01 07:39:16,269 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 129 transitions, 836 flow [2023-09-01 07:39:16,271 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) [2023-09-01 07:39:16,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:39:16,271 INFO L208 CegarLoopForPetriNet]: trace histogram [13, 13, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 07:39:16,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-09-01 07:39:16,472 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 [2023-09-01 07:39:16,472 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:39:16,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:39:16,473 INFO L85 PathProgramCache]: Analyzing trace with hash -992695238, now seen corresponding path program 1 times [2023-09-01 07:39:16,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:39:16,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425670599] [2023-09-01 07:39:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:39:16,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:39:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:39:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-09-01 07:39:19,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:39:19,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425670599] [2023-09-01 07:39:19,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425670599] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:39:19,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442987116] [2023-09-01 07:39:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:39:19,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:39:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:39:19,472 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) [2023-09-01 07:39:19,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-01 07:39:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:39:20,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 139 conjunts are in the unsatisfiable core [2023-09-01 07:39:20,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:39:20,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:20,461 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2023-09-01 07:39:20,462 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 [2023-09-01 07:39:20,599 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 [2023-09-01 07:39:20,645 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-01 07:39:20,645 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 [2023-09-01 07:39:20,680 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 [2023-09-01 07:39:20,696 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 [2023-09-01 07:39:20,715 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 [2023-09-01 07:39:20,732 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 [2023-09-01 07:39:20,744 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 [2023-09-01 07:39:20,768 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-01 07:39:20,768 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 [2023-09-01 07:39:20,811 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 [2023-09-01 07:39:20,836 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 [2023-09-01 07:39:20,850 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 [2023-09-01 07:39:20,869 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 [2023-09-01 07:39:20,939 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-09-01 07:39:20,940 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 [2023-09-01 07:39:21,012 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 [2023-09-01 07:39:21,036 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 [2023-09-01 07:39:21,065 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 [2023-09-01 07:39:21,099 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 [2023-09-01 07:39:21,192 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2023-09-01 07:39:21,192 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 [2023-09-01 07:39:21,279 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 [2023-09-01 07:39:21,340 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 [2023-09-01 07:39:21,367 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 [2023-09-01 07:39:21,413 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 [2023-09-01 07:39:21,551 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-09-01 07:39:21,551 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 [2023-09-01 07:39:21,714 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 [2023-09-01 07:39:21,751 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 [2023-09-01 07:39:21,840 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 [2023-09-01 07:39:21,890 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 [2023-09-01 07:39:22,023 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-09-01 07:39:22,023 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 [2023-09-01 07:39:22,190 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 [2023-09-01 07:39:22,264 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 [2023-09-01 07:39:22,332 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 [2023-09-01 07:39:22,378 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 [2023-09-01 07:39:22,481 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 [2023-09-01 07:39:22,560 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 [2023-09-01 07:39:22,599 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 [2023-09-01 07:39:22,714 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 [2023-09-01 07:39:22,742 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 [2023-09-01 07:39:22,889 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 [2023-09-01 07:39:22,972 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 [2023-09-01 07:39:23,002 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 [2023-09-01 07:39:23,119 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 [2023-09-01 07:39:23,290 INFO L321 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2023-09-01 07:39:23,290 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 [2023-09-01 07:39:23,331 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 [2023-09-01 07:39:23,373 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 [2023-09-01 07:39:23,414 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 [2023-09-01 07:39:23,456 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 [2023-09-01 07:39:23,501 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 [2023-09-01 07:39:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,584 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 [2023-09-01 07:39:23,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,641 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 [2023-09-01 07:39:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,699 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 [2023-09-01 07:39:23,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,763 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 [2023-09-01 07:39:23,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,820 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 [2023-09-01 07:39:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,886 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 [2023-09-01 07:39:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:23,944 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 [2023-09-01 07:39:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:24,004 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 [2023-09-01 07:39:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-01 07:39:24,077 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-09-01 07:39:24,077 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 [2023-09-01 07:39:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 28 proven. 107 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-09-01 07:39:24,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:39:54,953 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 [2023-09-01 07:40:43,870 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1407 Int) (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_733| 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_733| (+ |c_ULTIMATE.start_create_fresh_int_array_~i~0#1| 1)) (< |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|)) (<= 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 (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_1407) (+ (* 4 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_733|) |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)) (< |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_731| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_732|)) (< (+ v_ArrVal_1407 2147483648) 0) (< |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_732| (+ 1 |v_ULTIMATE.start_create_fresh_int_array_~i~0#1_733|)))) is different from false [2023-09-01 07:40:44,174 INFO L321 Elim1Store]: treesize reduction 1088, result has 7.8 percent of original size [2023-09-01 07:40:44,175 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 [2023-09-01 07:40:44,341 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 [2023-09-01 07:40:44,349 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 [2023-09-01 07:40:50,984 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-01 07:40:50,984 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 [2023-09-01 07:40:51,501 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-01 07:40:51,527 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 [2023-09-01 07:40:56,429 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 [2023-09-01 07:40:56,512 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 [2023-09-01 07:40:56,596 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 [2023-09-01 07:40:56,680 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 [2023-09-01 07:40:56,761 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 [2023-09-01 07:40:56,846 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 [2023-09-01 07:40:56,941 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 [2023-09-01 07:40:57,040 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-01 07:40:57,041 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 [2023-09-01 07:44:23,695 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-09-01 07:44:23,696 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 [2023-09-01 07:44:23,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-09-01 07:44:23,896 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 [2023-09-01 07:44:23,896 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:184) 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 [2023-09-01 07:44:23,900 INFO L158 Benchmark]: Toolchain (without parser) took 513161.57ms. Allocated memory was 77.6MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 44.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-09-01 07:44:23,900 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 07:44:23,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.39ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 43.2MB in the end (delta: 1.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-09-01 07:44:23,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.45ms. Allocated memory is still 77.6MB. Free memory was 43.2MB in the beginning and 35.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-09-01 07:44:23,901 INFO L158 Benchmark]: Boogie Preprocessor took 155.53ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 49.7MB in the end (delta: -14.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-09-01 07:44:23,901 INFO L158 Benchmark]: RCFGBuilder took 4114.66ms. Allocated memory was 77.6MB in the beginning and 253.8MB in the end (delta: 176.2MB). Free memory was 49.7MB in the beginning and 99.2MB in the end (delta: -49.5MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. [2023-09-01 07:44:23,901 INFO L158 Benchmark]: TraceAbstraction took 508315.34ms. Allocated memory was 253.8MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 99.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-09-01 07:44:23,902 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 54.5MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.39ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 43.2MB in the end (delta: 1.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.45ms. Allocated memory is still 77.6MB. Free memory was 43.2MB in the beginning and 35.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.53ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 49.7MB in the end (delta: -14.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4114.66ms. Allocated memory was 77.6MB in the beginning and 253.8MB in the end (delta: 176.2MB). Free memory was 49.7MB in the beginning and 99.2MB in the end (delta: -49.5MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. * TraceAbstraction took 508315.34ms. Allocated memory was 253.8MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 99.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.9s, 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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 07:44:25,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 07:44:25,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 07:44:25,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 07:44:25,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 07:44:25,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 07:44:25,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 07:44:25,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 07:44:25,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 07:44:25,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 07:44:25,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 07:44:25,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 07:44:25,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 07:44:25,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 07:44:25,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 07:44:25,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 07:44:25,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 07:44:25,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 07:44:25,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 07:44:25,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 07:44:25,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 07:44:25,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 07:44:25,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 07:44:25,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 07:44:25,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 07:44:25,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 07:44:25,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 07:44:25,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 07:44:25,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 07:44:25,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 07:44:25,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 07:44:25,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 07:44:25,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 07:44:25,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 07:44:25,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 07:44:25,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 07:44:25,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 07:44:25,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 07:44:25,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 07:44:25,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 07:44:25,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 07:44:25,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-09-01 07:44:25,960 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 07:44:25,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 07:44:25,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 07:44:25,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 07:44:25,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 07:44:25,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 07:44:25,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 07:44:25,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 07:44:25,963 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 07:44:25,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 07:44:25,964 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 07:44:25,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 07:44:25,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 07:44:25,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 07:44:25,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 07:44:25,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 07:44:25,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 07:44:25,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-09-01 07:44:25,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-09-01 07:44:25,966 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 07:44:25,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-09-01 07:44:25,966 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 07:44:25,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 07:44:25,967 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 07:44:25,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 07:44:25,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 07:44:25,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 07:44:25,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 07:44:25,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 07:44:25,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 07:44:25,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 07:44:25,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 07:44:25,969 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-09-01 07:44:25,969 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-09-01 07:44:25,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 07:44:25,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 07:44:25,969 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 07:44:25,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 07:44:25,970 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-09-01 07:44:25,970 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 07:44:25,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83dad307cba3d7607e136206fd160e874fd8a32bc88cbef3e5973f117a7651cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 07:44:26,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 07:44:26,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 07:44:26,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 07:44:26,312 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 07:44:26,312 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 07:44:26,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-09-01 07:44:27,394 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 07:44:27,646 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 07:44:27,647 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-symm.wvr.c [2023-09-01 07:44:27,654 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f74263b/e30ed314ff15459fa3466175ddbf22b9/FLAGabfe086af [2023-09-01 07:44:27,668 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f74263b/e30ed314ff15459fa3466175ddbf22b9 [2023-09-01 07:44:27,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 07:44:27,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 07:44:27,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 07:44:27,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 07:44:27,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 07:44:27,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 07:44:27" (1/1) ... [2023-09-01 07:44:27,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b7fe55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:27, skipping insertion in model container [2023-09-01 07:44:27,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 07:44:27" (1/1) ... [2023-09-01 07:44:27,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 07:44:27,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 07:44:28,028 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] [2023-09-01 07:44:28,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:44:28,045 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-09-01 07:44:28,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 07:44:28,164 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] [2023-09-01 07:44:28,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:44:28,177 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 07:44:28,259 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] [2023-09-01 07:44:28,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:44:28,279 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 07:44:28,280 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 07:44:28,285 INFO L208 MainTranslator]: Completed translation [2023-09-01 07:44:28,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28 WrapperNode [2023-09-01 07:44:28,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 07:44:28,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 07:44:28,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 07:44:28,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 07:44:28,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,399 INFO L138 Inliner]: procedures = 27, calls = 307, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1664 [2023-09-01 07:44:28,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 07:44:28,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 07:44:28,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 07:44:28,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 07:44:28,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 07:44:28,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 07:44:28,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 07:44:28,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 07:44:28,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (1/1) ... [2023-09-01 07:44:28,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 07:44:28,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:44:28,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-01 07:44:28,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-01 07:44:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 07:44:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-09-01 07:44:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 07:44:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-09-01 07:44:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-01 07:44:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-01 07:44:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-01 07:44:28,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-01 07:44:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 07:44:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 07:44:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 07:44:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 07:44:28,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 07:44:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 07:44:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-09-01 07:44:28,625 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 07:44:28,806 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 07:44:28,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 07:44:30,822 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 07:44:33,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 07:44:33,762 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-09-01 07:44:33,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:44:33 BoogieIcfgContainer [2023-09-01 07:44:33,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 07:44:33,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 07:44:33,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 07:44:33,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 07:44:33,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 07:44:27" (1/3) ... [2023-09-01 07:44:33,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766aa142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 07:44:33, skipping insertion in model container [2023-09-01 07:44:33,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:44:28" (2/3) ... [2023-09-01 07:44:33,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766aa142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 07:44:33, skipping insertion in model container [2023-09-01 07:44:33,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:44:33" (3/3) ... [2023-09-01 07:44:33,772 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2023-09-01 07:44:33,779 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 07:44:33,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 07:44:33,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-09-01 07:44:33,788 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 07:44:34,496 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-01 07:44:34,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 487 places, 533 transitions, 1082 flow [2023-09-01 07:44:34,768 INFO L130 PetriNetUnfolder]: 53/531 cut-off events. [2023-09-01 07:44:34,769 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 07:44:34,779 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. [2023-09-01 07:44:34,780 INFO L82 GeneralOperation]: Start removeDead. Operand has 487 places, 533 transitions, 1082 flow [2023-09-01 07:44:34,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 471 places, 516 transitions, 1044 flow [2023-09-01 07:44:34,794 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 07:44:34,805 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 516 transitions, 1044 flow [2023-09-01 07:44:34,811 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 516 transitions, 1044 flow [2023-09-01 07:44:34,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 471 places, 516 transitions, 1044 flow [2023-09-01 07:44:34,932 INFO L130 PetriNetUnfolder]: 52/516 cut-off events. [2023-09-01 07:44:34,932 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 07:44:34,936 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. [2023-09-01 07:44:34,944 INFO L119 LiptonReduction]: Number of co-enabled transitions 15552 [2023-09-01 07:44:57,459 WARN L222 SmtUtils]: Spent 5.21s 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) [2023-09-01 07:48:29,601 INFO L134 LiptonReduction]: Checked pairs total: 19421 [2023-09-01 07:48:29,601 INFO L136 LiptonReduction]: Total number of compositions: 675 [2023-09-01 07:48:29,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 07:48:29,617 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;@7be4d193, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 07:48:29,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2023-09-01 07:48:29,620 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-09-01 07:48:29,620 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 07:48:29,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:48:29,620 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-09-01 07:48:29,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 121 more)] === [2023-09-01 07:48:29,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:48:29,625 INFO L85 PathProgramCache]: Analyzing trace with hash 196099, now seen corresponding path program 1 times [2023-09-01 07:48:29,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-09-01 07:48:29,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918393961] [2023-09-01 07:48:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:48:29,636 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 [2023-09-01 07:48:29,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-09-01 07:48:29,638 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) [2023-09-01 07:48:29,658 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 [2023-09-01 07:48:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:48:30,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-09-01 07:48:30,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:48:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:48:30,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-01 07:48:30,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-09-01 07:48:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918393961] [2023-09-01 07:48:30,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918393961] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:48:30,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:48:30,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 07:48:30,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944325823] [2023-09-01 07:48:30,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:48:30,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-01 07:48:30,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-09-01 07:48:30,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-01 07:48:30,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-01 07:48:30,425 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 1208 [2023-09-01 07:48:30,430 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) [2023-09-01 07:48:30,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:48:30,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 1208 [2023-09-01 07:48:30,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:48:31,174 INFO L130 PetriNetUnfolder]: 133/191 cut-off events. [2023-09-01 07:48:31,174 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2023-09-01 07:48:31,176 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. [2023-09-01 07:48:31,177 INFO L137 encePairwiseOnDemand]: 1138/1208 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2023-09-01 07:48:31,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 38 transitions, 164 flow [2023-09-01 07:48:31,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-01 07:48:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-09-01 07:48:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 938 transitions. [2023-09-01 07:48:31,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3882450331125828 [2023-09-01 07:48:31,197 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 938 transitions. [2023-09-01 07:48:31,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 938 transitions. [2023-09-01 07:48:31,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:48:31,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 938 transitions. [2023-09-01 07:48:31,213 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) [2023-09-01 07:48:31,224 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) [2023-09-01 07:48:31,225 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) [2023-09-01 07:48:31,227 INFO L175 Difference]: Start difference. First operand has 99 places, 108 transitions, 228 flow. Second operand 2 states and 938 transitions. [2023-09-01 07:48:31,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 38 transitions, 164 flow [2023-09-01 07:48:31,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 38 transitions, 156 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-09-01 07:48:31,234 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-09-01 07:48:31,242 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} [2023-09-01 07:48:31,245 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -73 predicate places. [2023-09-01 07:48:31,246 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-09-01 07:48:31,246 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) [2023-09-01 07:48:31,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 124 remaining) [2023-09-01 07:48:31,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 124 remaining) [2023-09-01 07:48:31,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 124 remaining) [2023-09-01 07:48:31,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 124 remaining) [2023-09-01 07:48:31,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 124 remaining) [2023-09-01 07:48:31,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 124 remaining) [2023-09-01 07:48:31,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 124 remaining) [2023-09-01 07:48:31,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 124 remaining) [2023-09-01 07:48:31,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 124 remaining) [2023-09-01 07:48:31,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 124 remaining) [2023-09-01 07:48:31,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 124 remaining) [2023-09-01 07:48:31,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 124 remaining) [2023-09-01 07:48:31,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 124 remaining) [2023-09-01 07:48:31,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 124 remaining) [2023-09-01 07:48:31,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 124 remaining) [2023-09-01 07:48:31,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 124 remaining) [2023-09-01 07:48:31,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 124 remaining) [2023-09-01 07:48:31,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 124 remaining) [2023-09-01 07:48:31,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 124 remaining) [2023-09-01 07:48:31,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 124 remaining) [2023-09-01 07:48:31,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 124 remaining) [2023-09-01 07:48:31,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 124 remaining) [2023-09-01 07:48:31,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 124 remaining) [2023-09-01 07:48:31,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 124 remaining) [2023-09-01 07:48:31,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 124 remaining) [2023-09-01 07:48:31,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 124 remaining) [2023-09-01 07:48:31,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 124 remaining) [2023-09-01 07:48:31,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 124 remaining) [2023-09-01 07:48:31,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 124 remaining) [2023-09-01 07:48:31,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 124 remaining) [2023-09-01 07:48:31,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 124 remaining) [2023-09-01 07:48:31,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 124 remaining) [2023-09-01 07:48:31,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 124 remaining) [2023-09-01 07:48:31,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 124 remaining) [2023-09-01 07:48:31,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 124 remaining) [2023-09-01 07:48:31,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 124 remaining) [2023-09-01 07:48:31,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 124 remaining) [2023-09-01 07:48:31,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 124 remaining) [2023-09-01 07:48:31,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 124 remaining) [2023-09-01 07:48:31,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 124 remaining) [2023-09-01 07:48:31,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 124 remaining) [2023-09-01 07:48:31,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 124 remaining) [2023-09-01 07:48:31,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 124 remaining) [2023-09-01 07:48:31,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 124 remaining) [2023-09-01 07:48:31,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 124 remaining) [2023-09-01 07:48:31,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 124 remaining) [2023-09-01 07:48:31,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 124 remaining) [2023-09-01 07:48:31,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 124 remaining) [2023-09-01 07:48:31,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 124 remaining) [2023-09-01 07:48:31,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 124 remaining) [2023-09-01 07:48:31,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 124 remaining) [2023-09-01 07:48:31,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 124 remaining) [2023-09-01 07:48:31,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 124 remaining) [2023-09-01 07:48:31,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 124 remaining) [2023-09-01 07:48:31,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 124 remaining) [2023-09-01 07:48:31,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 124 remaining) [2023-09-01 07:48:31,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 124 remaining) [2023-09-01 07:48:31,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 124 remaining) [2023-09-01 07:48:31,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 124 remaining) [2023-09-01 07:48:31,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 124 remaining) [2023-09-01 07:48:31,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 124 remaining) [2023-09-01 07:48:31,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 124 remaining) [2023-09-01 07:48:31,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 124 remaining) [2023-09-01 07:48:31,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 124 remaining) [2023-09-01 07:48:31,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 124 remaining) [2023-09-01 07:48:31,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 124 remaining) [2023-09-01 07:48:31,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 124 remaining) [2023-09-01 07:48:31,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 124 remaining) [2023-09-01 07:48:31,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 124 remaining) [2023-09-01 07:48:31,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 124 remaining) [2023-09-01 07:48:31,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 124 remaining) [2023-09-01 07:48:31,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 124 remaining) [2023-09-01 07:48:31,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 124 remaining) [2023-09-01 07:48:31,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 124 remaining) [2023-09-01 07:48:31,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 124 remaining) [2023-09-01 07:48:31,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 124 remaining) [2023-09-01 07:48:31,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 124 remaining) [2023-09-01 07:48:31,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 124 remaining) [2023-09-01 07:48:31,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 124 remaining) [2023-09-01 07:48:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 124 remaining) [2023-09-01 07:48:31,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 124 remaining) [2023-09-01 07:48:31,306 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 [2023-09-01 07:48:31,503 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 [2023-09-01 07:48:31,504 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-09-01 07:48:31,510 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 07:48:31,510 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 07:48:31,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 07:48:31 BasicIcfg [2023-09-01 07:48:31,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 07:48:31,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 07:48:31,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 07:48:31,516 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 07:48:31,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:44:33" (3/4) ... [2023-09-01 07:48:31,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 07:48:31,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-09-01 07:48:31,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-09-01 07:48:31,539 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2023-09-01 07:48:31,540 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-09-01 07:48:31,540 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 07:48:31,541 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 07:48:31,588 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 07:48:31,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 07:48:31,589 INFO L158 Benchmark]: Toolchain (without parser) took 243918.32ms. Allocated memory was 77.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 55.4MB in the beginning and 1.0GB in the end (delta: -982.1MB). Peak memory consumption was 198.9MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,589 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 07:48:31,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.73ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 45.3MB in the end (delta: 9.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.10ms. Allocated memory is still 77.6MB. Free memory was 45.3MB in the beginning and 37.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,590 INFO L158 Benchmark]: Boogie Preprocessor took 149.73ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 50.6MB in the end (delta: -13.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,590 INFO L158 Benchmark]: RCFGBuilder took 5212.41ms. Allocated memory was 77.6MB in the beginning and 597.7MB in the end (delta: 520.1MB). Free memory was 50.6MB in the beginning and 404.3MB in the end (delta: -353.7MB). Peak memory consumption was 201.7MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,591 INFO L158 Benchmark]: TraceAbstraction took 237749.14ms. Allocated memory was 597.7MB in the beginning and 1.3GB in the end (delta: 660.6MB). Free memory was 404.3MB in the beginning and 1.0GB in the end (delta: -640.0MB). Peak memory consumption was 653.4MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,591 INFO L158 Benchmark]: Witness Printer took 72.48ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-09-01 07:48:31,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.73ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 45.3MB in the end (delta: 9.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.10ms. Allocated memory is still 77.6MB. Free memory was 45.3MB in the beginning and 37.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.73ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 50.6MB in the end (delta: -13.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5212.41ms. Allocated memory was 77.6MB in the beginning and 597.7MB in the end (delta: 520.1MB). Free memory was 50.6MB in the beginning and 404.3MB in the end (delta: -353.7MB). Peak memory consumption was 201.7MB. Max. memory is 16.1GB. * TraceAbstraction took 237749.14ms. Allocated memory was 597.7MB in the beginning and 1.3GB in the end (delta: 660.6MB). Free memory was 404.3MB in the beginning and 1.0GB in the end (delta: -640.0MB). Peak memory consumption was 653.4MB. Max. memory is 16.1GB. * Witness Printer took 72.48ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 234.8s, 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: 237.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 235.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s 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! [2023-09-01 07:48:31,659 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