./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:59:54,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:59:54,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:59:54,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:59:54,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:59:54,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:59:54,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:59:54,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:59:54,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:59:54,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:59:54,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:59:54,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:59:54,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:59:54,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:59:54,327 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:59:54,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:59:54,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:59:54,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:59:54,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:59:54,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:59:54,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:59:54,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:59:54,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:59:54,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:59:54,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:59:54,330 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:59:54,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:59:54,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:59:54,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:59:54,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:59:54,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:59:54,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:59:54,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:59:54,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:59:54,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:59:54,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:59:54,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:59:54,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:59:54,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:59:54,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:59:54,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:59:54,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:59:54,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:59:54,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:59:54,334 INFO L153 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-10-11 23:59:54,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:59:54,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:59:54,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:59:54,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:59:54,546 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:59:54,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-10-11 23:59:55,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:59:56,056 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:59:56,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-10-11 23:59:56,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0d49db0df/644c98961e054b08a78076562427ad38/FLAG8687ecb5e [2024-10-11 23:59:56,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0d49db0df/644c98961e054b08a78076562427ad38 [2024-10-11 23:59:56,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:59:56,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:59:56,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:59:56,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:59:56,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:59:56,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:59:56" (1/1) ... [2024-10-11 23:59:56,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722a800a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:56, skipping insertion in model container [2024-10-11 23:59:56,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:59:56" (1/1) ... [2024-10-11 23:59:56,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:59:56,845 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,849 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,849 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,850 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:59:56,910 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:59:56,949 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,950 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,950 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,950 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-11 23:59:56,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:59:57,010 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:59:57,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57 WrapperNode [2024-10-11 23:59:57,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:59:57,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:59:57,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:59:57,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:59:57,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,070 INFO L138 Inliner]: procedures = 279, calls = 73, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 360 [2024-10-11 23:59:57,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:59:57,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:59:57,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:59:57,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:59:57,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,110 INFO L175 MemorySlicer]: Split 37 memory accesses to 5 slices as follows [2, 5, 2, 2, 26]. 70 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0, 0]. The 17 writes are split as follows [0, 0, 1, 1, 15]. [2024-10-11 23:59:57,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:59:57,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:59:57,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:59:57,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:59:57,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (1/1) ... [2024-10-11 23:59:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:59:57,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:59:57,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:59:57,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:59:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:59:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:59:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-10-11 23:59:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 23:59:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-10-11 23:59:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:59:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 23:59:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 23:59:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:59:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:59:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:59:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 23:59:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 23:59:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:59:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:59:57,218 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 23:59:57,393 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:59:57,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:59:57,796 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 23:59:57,796 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:59:58,038 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:59:58,039 INFO L314 CfgBuilder]: Removed 30 assume(true) statements. [2024-10-11 23:59:58,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:59:58 BoogieIcfgContainer [2024-10-11 23:59:58,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:59:58,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:59:58,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:59:58,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:59:58,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:59:56" (1/3) ... [2024-10-11 23:59:58,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a86204b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:59:58, skipping insertion in model container [2024-10-11 23:59:58,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:59:57" (2/3) ... [2024-10-11 23:59:58,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a86204b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:59:58, skipping insertion in model container [2024-10-11 23:59:58,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:59:58" (3/3) ... [2024-10-11 23:59:58,051 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-10-11 23:59:58,066 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:59:58,066 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-11 23:59:58,067 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 23:59:58,136 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-11 23:59:58,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 167 transitions, 354 flow [2024-10-11 23:59:58,233 INFO L124 PetriNetUnfolderBase]: 49/279 cut-off events. [2024-10-11 23:59:58,233 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-11 23:59:58,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 279 events. 49/279 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1377 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 156. Up to 8 conditions per place. [2024-10-11 23:59:58,241 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 167 transitions, 354 flow [2024-10-11 23:59:58,249 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 167 transitions, 354 flow [2024-10-11 23:59:58,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:59:58,261 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@29edf590, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:59:58,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-10-11 23:59:58,263 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 23:59:58,264 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-10-11 23:59:58,264 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 23:59:58,264 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:59:58,264 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-11 23:59:58,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-11 23:59:58,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:59:58,269 INFO L85 PathProgramCache]: Analyzing trace with hash 28723099, now seen corresponding path program 1 times [2024-10-11 23:59:58,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:59:58,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103425429] [2024-10-11 23:59:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:59:58,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:59:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:59:58,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080588562] [2024-10-11 23:59:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:59:58,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:59:58,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:59:58,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:59:58,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:59:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:59:58,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 23:59:58,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:59:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:59:58,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:59:58,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:59:58,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103425429] [2024-10-11 23:59:58,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:59:58,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080588562] [2024-10-11 23:59:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080588562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:59:58,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:59:58,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 23:59:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543991947] [2024-10-11 23:59:58,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:59:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:59:58,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:59:58,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:59:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:59:58,559 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 167 [2024-10-11 23:59:58,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 167 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2024-10-11 23:59:58,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:59:58,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 167 [2024-10-11 23:59:58,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:00,223 INFO L124 PetriNetUnfolderBase]: 8567/18653 cut-off events. [2024-10-12 00:00:00,224 INFO L125 PetriNetUnfolderBase]: For 265/265 co-relation queries the response was YES. [2024-10-12 00:00:00,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31504 conditions, 18653 events. 8567/18653 cut-off events. For 265/265 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 169999 event pairs, 7350 based on Foata normal form. 2268/17596 useless extension candidates. Maximal degree in co-relation 30100. Up to 12703 conditions per place. [2024-10-12 00:00:00,343 INFO L140 encePairwiseOnDemand]: 142/167 looper letters, 76 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2024-10-12 00:00:00,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 152 transitions, 480 flow [2024-10-12 00:00:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:00:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:00:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2024-10-12 00:00:00,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6447105788423154 [2024-10-12 00:00:00,358 INFO L175 Difference]: Start difference. First operand has 140 places, 167 transitions, 354 flow. Second operand 3 states and 323 transitions. [2024-10-12 00:00:00,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 152 transitions, 480 flow [2024-10-12 00:00:00,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 152 transitions, 480 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-12 00:00:00,368 INFO L231 Difference]: Finished difference. Result has 143 places, 148 transitions, 330 flow [2024-10-12 00:00:00,369 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=143, PETRI_TRANSITIONS=148} [2024-10-12 00:00:00,372 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 3 predicate places. [2024-10-12 00:00:00,373 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 148 transitions, 330 flow [2024-10-12 00:00:00,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2024-10-12 00:00:00,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:00,374 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-12 00:00:00,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 00:00:00,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-12 00:00:00,579 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:00,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:00,580 INFO L85 PathProgramCache]: Analyzing trace with hash 28723147, now seen corresponding path program 1 times [2024-10-12 00:00:00,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:00,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517142642] [2024-10-12 00:00:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:00,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:00,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517142642] [2024-10-12 00:00:00,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517142642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:00,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:00:00,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:00:00,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989718613] [2024-10-12 00:00:00,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:00,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 00:00:00,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:00,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:00:00,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:00:00,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 167 [2024-10-12 00:00:00,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 148 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2024-10-12 00:00:00,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:00,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 167 [2024-10-12 00:00:00,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:02,251 INFO L124 PetriNetUnfolderBase]: 8567/18667 cut-off events. [2024-10-12 00:00:02,252 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES. [2024-10-12 00:00:02,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31531 conditions, 18667 events. 8567/18667 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 170092 event pairs, 7350 based on Foata normal form. 4/15346 useless extension candidates. Maximal degree in co-relation 31493. Up to 12708 conditions per place. [2024-10-12 00:00:02,355 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 74 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-10-12 00:00:02,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 150 transitions, 486 flow [2024-10-12 00:00:02,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:00:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-12 00:00:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 300 transitions. [2024-10-12 00:00:02,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5988023952095808 [2024-10-12 00:00:02,358 INFO L175 Difference]: Start difference. First operand has 143 places, 148 transitions, 330 flow. Second operand 3 states and 300 transitions. [2024-10-12 00:00:02,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 150 transitions, 486 flow [2024-10-12 00:00:02,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 150 transitions, 484 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:00:02,361 INFO L231 Difference]: Finished difference. Result has 145 places, 149 transitions, 344 flow [2024-10-12 00:00:02,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=145, PETRI_TRANSITIONS=149} [2024-10-12 00:00:02,362 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 5 predicate places. [2024-10-12 00:00:02,362 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 149 transitions, 344 flow [2024-10-12 00:00:02,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2024-10-12 00:00:02,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:02,363 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:00:02,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 00:00:02,363 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:02,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:02,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1833125160, now seen corresponding path program 1 times [2024-10-12 00:00:02,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:02,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86078649] [2024-10-12 00:00:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:02,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:02,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:02,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86078649] [2024-10-12 00:00:02,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86078649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:02,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:00:02,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:00:02,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361420910] [2024-10-12 00:00:02,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:02,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 00:00:02,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:02,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:00:02,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:00:02,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 167 [2024-10-12 00:00:02,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 149 transitions, 344 flow. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2024-10-12 00:00:02,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:02,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 167 [2024-10-12 00:00:02,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:04,155 INFO L124 PetriNetUnfolderBase]: 8567/18663 cut-off events. [2024-10-12 00:00:04,155 INFO L125 PetriNetUnfolderBase]: For 279/279 co-relation queries the response was YES. [2024-10-12 00:00:04,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31543 conditions, 18663 events. 8567/18663 cut-off events. For 279/279 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 170093 event pairs, 7350 based on Foata normal form. 4/15346 useless extension candidates. Maximal degree in co-relation 31480. Up to 12712 conditions per place. [2024-10-12 00:00:04,259 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 75 selfloop transitions, 3 changer transitions 0/150 dead transitions. [2024-10-12 00:00:04,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 150 transitions, 502 flow [2024-10-12 00:00:04,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:00:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-12 00:00:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 367 transitions. [2024-10-12 00:00:04,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5494011976047904 [2024-10-12 00:00:04,262 INFO L175 Difference]: Start difference. First operand has 145 places, 149 transitions, 344 flow. Second operand 4 states and 367 transitions. [2024-10-12 00:00:04,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 150 transitions, 502 flow [2024-10-12 00:00:04,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 150 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-12 00:00:04,266 INFO L231 Difference]: Finished difference. Result has 149 places, 150 transitions, 360 flow [2024-10-12 00:00:04,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=360, PETRI_PLACES=149, PETRI_TRANSITIONS=150} [2024-10-12 00:00:04,267 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 9 predicate places. [2024-10-12 00:00:04,267 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 150 transitions, 360 flow [2024-10-12 00:00:04,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2024-10-12 00:00:04,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:04,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:00:04,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 00:00:04,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:04,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:04,269 INFO L85 PathProgramCache]: Analyzing trace with hash 123524072, now seen corresponding path program 1 times [2024-10-12 00:00:04,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:04,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580545435] [2024-10-12 00:00:04,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:04,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-12 00:00:04,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:04,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580545435] [2024-10-12 00:00:04,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580545435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:04,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:00:04,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 00:00:04,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111964586] [2024-10-12 00:00:04,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:04,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 00:00:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:04,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:00:04,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:00:04,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 167 [2024-10-12 00:00:04,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 150 transitions, 360 flow. Second operand has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 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) [2024-10-12 00:00:04,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:04,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 167 [2024-10-12 00:00:04,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:06,056 INFO L124 PetriNetUnfolderBase]: 8567/18661 cut-off events. [2024-10-12 00:00:06,057 INFO L125 PetriNetUnfolderBase]: For 295/295 co-relation queries the response was YES. [2024-10-12 00:00:06,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31555 conditions, 18661 events. 8567/18661 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 170086 event pairs, 7350 based on Foata normal form. 2/15344 useless extension candidates. Maximal degree in co-relation 31481. Up to 12707 conditions per place. [2024-10-12 00:00:06,154 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 81 selfloop transitions, 3 changer transitions 0/156 dead transitions. [2024-10-12 00:00:06,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 156 transitions, 560 flow [2024-10-12 00:00:06,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:00:06,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-12 00:00:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2024-10-12 00:00:06,156 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5538922155688623 [2024-10-12 00:00:06,156 INFO L175 Difference]: Start difference. First operand has 149 places, 150 transitions, 360 flow. Second operand 4 states and 370 transitions. [2024-10-12 00:00:06,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 156 transitions, 560 flow [2024-10-12 00:00:06,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 156 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-12 00:00:06,159 INFO L231 Difference]: Finished difference. Result has 152 places, 151 transitions, 376 flow [2024-10-12 00:00:06,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=376, PETRI_PLACES=152, PETRI_TRANSITIONS=151} [2024-10-12 00:00:06,160 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 12 predicate places. [2024-10-12 00:00:06,160 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 151 transitions, 376 flow [2024-10-12 00:00:06,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 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) [2024-10-12 00:00:06,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:06,161 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-10-12 00:00:06,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 00:00:06,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:06,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:06,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1552466427, now seen corresponding path program 1 times [2024-10-12 00:00:06,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974662237] [2024-10-12 00:00:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:06,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:06,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:06,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:06,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974662237] [2024-10-12 00:00:06,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974662237] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:00:06,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068965062] [2024-10-12 00:00:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:06,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:06,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:00:06,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:00:06,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 00:00:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:06,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:00:06,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:00:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:06,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 00:00:06,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068965062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:06,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 00:00:06,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-12 00:00:06,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400010976] [2024-10-12 00:00:06,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:06,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 00:00:06,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:06,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 00:00:06,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-12 00:00:06,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 167 [2024-10-12 00:00:06,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 151 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 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) [2024-10-12 00:00:06,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:06,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 167 [2024-10-12 00:00:06,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:08,241 INFO L124 PetriNetUnfolderBase]: 8567/18659 cut-off events. [2024-10-12 00:00:08,242 INFO L125 PetriNetUnfolderBase]: For 292/292 co-relation queries the response was YES. [2024-10-12 00:00:08,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31557 conditions, 18659 events. 8567/18659 cut-off events. For 292/292 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 170051 event pairs, 7350 based on Foata normal form. 2/15342 useless extension candidates. Maximal degree in co-relation 31505. Up to 12700 conditions per place. [2024-10-12 00:00:08,347 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 71 selfloop transitions, 7 changer transitions 0/150 dead transitions. [2024-10-12 00:00:08,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 150 transitions, 528 flow [2024-10-12 00:00:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 00:00:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-12 00:00:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 509 transitions. [2024-10-12 00:00:08,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5079840319361277 [2024-10-12 00:00:08,351 INFO L175 Difference]: Start difference. First operand has 152 places, 151 transitions, 376 flow. Second operand 6 states and 509 transitions. [2024-10-12 00:00:08,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 150 transitions, 528 flow [2024-10-12 00:00:08,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 150 transitions, 524 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-12 00:00:08,357 INFO L231 Difference]: Finished difference. Result has 154 places, 150 transitions, 382 flow [2024-10-12 00:00:08,358 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=382, PETRI_PLACES=154, PETRI_TRANSITIONS=150} [2024-10-12 00:00:08,358 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 14 predicate places. [2024-10-12 00:00:08,358 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 150 transitions, 382 flow [2024-10-12 00:00:08,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 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) [2024-10-12 00:00:08,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:08,359 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2024-10-12 00:00:08,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 00:00:08,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:08,560 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:08,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:08,561 INFO L85 PathProgramCache]: Analyzing trace with hash -881817919, now seen corresponding path program 1 times [2024-10-12 00:00:08,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:08,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508963684] [2024-10-12 00:00:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-12 00:00:08,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:08,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508963684] [2024-10-12 00:00:08,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508963684] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:08,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:00:08,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:00:08,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614833645] [2024-10-12 00:00:08,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:08,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 00:00:08,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:08,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:00:08,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:00:08,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 167 [2024-10-12 00:00:08,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 150 transitions, 382 flow. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2024-10-12 00:00:08,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:08,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 167 [2024-10-12 00:00:08,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:10,216 INFO L124 PetriNetUnfolderBase]: 8567/18657 cut-off events. [2024-10-12 00:00:10,217 INFO L125 PetriNetUnfolderBase]: For 308/308 co-relation queries the response was YES. [2024-10-12 00:00:10,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31563 conditions, 18657 events. 8567/18657 cut-off events. For 308/308 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 170088 event pairs, 7350 based on Foata normal form. 2/15340 useless extension candidates. Maximal degree in co-relation 31504. Up to 12704 conditions per place. [2024-10-12 00:00:10,357 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 71 selfloop transitions, 6 changer transitions 0/150 dead transitions. [2024-10-12 00:00:10,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 150 transitions, 534 flow [2024-10-12 00:00:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:00:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-12 00:00:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 366 transitions. [2024-10-12 00:00:10,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5479041916167665 [2024-10-12 00:00:10,361 INFO L175 Difference]: Start difference. First operand has 154 places, 150 transitions, 382 flow. Second operand 4 states and 366 transitions. [2024-10-12 00:00:10,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 150 transitions, 534 flow [2024-10-12 00:00:10,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 150 transitions, 519 flow, removed 2 selfloop flow, removed 5 redundant places. [2024-10-12 00:00:10,365 INFO L231 Difference]: Finished difference. Result has 152 places, 150 transitions, 383 flow [2024-10-12 00:00:10,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=383, PETRI_PLACES=152, PETRI_TRANSITIONS=150} [2024-10-12 00:00:10,366 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 12 predicate places. [2024-10-12 00:00:10,366 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 150 transitions, 383 flow [2024-10-12 00:00:10,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2024-10-12 00:00:10,366 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:10,366 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:00:10,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 00:00:10,367 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:10,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1602199158, now seen corresponding path program 1 times [2024-10-12 00:00:10,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:10,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043771646] [2024-10-12 00:00:10,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:10,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:10,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:10,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043771646] [2024-10-12 00:00:10,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043771646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:00:10,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132046090] [2024-10-12 00:00:10,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:10,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:10,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:00:10,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:00:10,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 00:00:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:10,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:00:10,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:00:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:10,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:00:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:00:10,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132046090] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:00:10,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:00:10,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-12 00:00:10,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803565919] [2024-10-12 00:00:10,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:00:10,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 00:00:10,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:10,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 00:00:10,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-12 00:00:10,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 167 [2024-10-12 00:00:10,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 150 transitions, 383 flow. Second operand has 10 states, 10 states have (on average 72.9) internal successors, (729), 10 states have internal predecessors, (729), 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) [2024-10-12 00:00:10,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:10,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 167 [2024-10-12 00:00:10,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:12,472 INFO L124 PetriNetUnfolderBase]: 8567/18671 cut-off events. [2024-10-12 00:00:12,472 INFO L125 PetriNetUnfolderBase]: For 340/340 co-relation queries the response was YES. [2024-10-12 00:00:12,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31611 conditions, 18671 events. 8567/18671 cut-off events. For 340/340 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 170225 event pairs, 7350 based on Foata normal form. 4/15356 useless extension candidates. Maximal degree in co-relation 31534. Up to 12702 conditions per place. [2024-10-12 00:00:12,556 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 78 selfloop transitions, 7 changer transitions 0/156 dead transitions. [2024-10-12 00:00:12,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 156 transitions, 588 flow [2024-10-12 00:00:12,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 00:00:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-12 00:00:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 582 transitions. [2024-10-12 00:00:12,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49786142001710865 [2024-10-12 00:00:12,560 INFO L175 Difference]: Start difference. First operand has 152 places, 150 transitions, 383 flow. Second operand 7 states and 582 transitions. [2024-10-12 00:00:12,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 156 transitions, 588 flow [2024-10-12 00:00:12,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 156 transitions, 575 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-12 00:00:12,563 INFO L231 Difference]: Finished difference. Result has 159 places, 153 transitions, 423 flow [2024-10-12 00:00:12,564 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=423, PETRI_PLACES=159, PETRI_TRANSITIONS=153} [2024-10-12 00:00:12,564 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 19 predicate places. [2024-10-12 00:00:12,564 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 153 transitions, 423 flow [2024-10-12 00:00:12,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 72.9) internal successors, (729), 10 states have internal predecessors, (729), 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) [2024-10-12 00:00:12,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:12,565 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:00:12,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-12 00:00:12,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:12,766 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:12,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1091124374, now seen corresponding path program 2 times [2024-10-12 00:00:12,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:12,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907854868] [2024-10-12 00:00:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-12 00:00:12,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:12,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907854868] [2024-10-12 00:00:12,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907854868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:12,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:00:12,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:00:12,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149371227] [2024-10-12 00:00:12,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:12,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 00:00:12,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:12,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:00:12,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:00:12,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 167 [2024-10-12 00:00:12,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 153 transitions, 423 flow. Second operand has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 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) [2024-10-12 00:00:12,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:12,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 167 [2024-10-12 00:00:12,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:14,514 INFO L124 PetriNetUnfolderBase]: 8329/17769 cut-off events. [2024-10-12 00:00:14,514 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES. [2024-10-12 00:00:14,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30485 conditions, 17769 events. 8329/17769 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 160518 event pairs, 3381 based on Foata normal form. 22/14505 useless extension candidates. Maximal degree in co-relation 30400. Up to 12412 conditions per place. [2024-10-12 00:00:14,809 INFO L140 encePairwiseOnDemand]: 161/167 looper letters, 122 selfloop transitions, 3 changer transitions 0/198 dead transitions. [2024-10-12 00:00:14,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 198 transitions, 763 flow [2024-10-12 00:00:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:00:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-12 00:00:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 414 transitions. [2024-10-12 00:00:14,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6197604790419161 [2024-10-12 00:00:14,820 INFO L175 Difference]: Start difference. First operand has 159 places, 153 transitions, 423 flow. Second operand 4 states and 414 transitions. [2024-10-12 00:00:14,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 198 transitions, 763 flow [2024-10-12 00:00:14,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 198 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-12 00:00:14,830 INFO L231 Difference]: Finished difference. Result has 159 places, 151 transitions, 425 flow [2024-10-12 00:00:14,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=425, PETRI_PLACES=159, PETRI_TRANSITIONS=151} [2024-10-12 00:00:14,834 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 19 predicate places. [2024-10-12 00:00:14,835 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 151 transitions, 425 flow [2024-10-12 00:00:14,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.75) internal successors, (303), 4 states have internal predecessors, (303), 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) [2024-10-12 00:00:14,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:14,835 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1] [2024-10-12 00:00:14,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 00:00:14,836 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:14,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1974433584, now seen corresponding path program 1 times [2024-10-12 00:00:14,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:14,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37952725] [2024-10-12 00:00:14,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:15,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:15,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37952725] [2024-10-12 00:00:15,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37952725] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:00:15,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269455879] [2024-10-12 00:00:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:15,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:15,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:00:15,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:00:15,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 00:00:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:15,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:00:15,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:00:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:15,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:00:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:15,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269455879] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:00:15,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:00:15,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-12 00:00:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415080665] [2024-10-12 00:00:15,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:00:15,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-12 00:00:15,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:15,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-12 00:00:15,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-12 00:00:15,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 167 [2024-10-12 00:00:15,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 151 transitions, 425 flow. Second operand has 18 states, 18 states have (on average 72.83333333333333) internal successors, (1311), 18 states have internal predecessors, (1311), 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) [2024-10-12 00:00:15,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:15,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 167 [2024-10-12 00:00:15,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:18,219 INFO L124 PetriNetUnfolderBase]: 8493/18551 cut-off events. [2024-10-12 00:00:18,219 INFO L125 PetriNetUnfolderBase]: For 514/514 co-relation queries the response was YES. [2024-10-12 00:00:18,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31553 conditions, 18551 events. 8493/18551 cut-off events. For 514/514 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 170321 event pairs, 7308 based on Foata normal form. 8/15219 useless extension candidates. Maximal degree in co-relation 31396. Up to 12580 conditions per place. [2024-10-12 00:00:18,312 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 90 selfloop transitions, 15 changer transitions 0/174 dead transitions. [2024-10-12 00:00:18,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 174 transitions, 797 flow [2024-10-12 00:00:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-12 00:00:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-12 00:00:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1172 transitions. [2024-10-12 00:00:18,316 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4678642714570858 [2024-10-12 00:00:18,316 INFO L175 Difference]: Start difference. First operand has 159 places, 151 transitions, 425 flow. Second operand 15 states and 1172 transitions. [2024-10-12 00:00:18,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 174 transitions, 797 flow [2024-10-12 00:00:18,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 174 transitions, 791 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-12 00:00:18,320 INFO L231 Difference]: Finished difference. Result has 175 places, 160 transitions, 553 flow [2024-10-12 00:00:18,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=553, PETRI_PLACES=175, PETRI_TRANSITIONS=160} [2024-10-12 00:00:18,323 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 35 predicate places. [2024-10-12 00:00:18,323 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 160 transitions, 553 flow [2024-10-12 00:00:18,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 72.83333333333333) internal successors, (1311), 18 states have internal predecessors, (1311), 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) [2024-10-12 00:00:18,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:18,324 INFO L204 CegarLoopForPetriNet]: trace histogram [9, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1] [2024-10-12 00:00:18,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-12 00:00:18,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-12 00:00:18,525 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:18,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:18,526 INFO L85 PathProgramCache]: Analyzing trace with hash -944200848, now seen corresponding path program 2 times [2024-10-12 00:00:18,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:18,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084541143] [2024-10-12 00:00:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:18,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:19,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:19,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084541143] [2024-10-12 00:00:19,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084541143] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:00:19,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923018534] [2024-10-12 00:00:19,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 00:00:19,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:19,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:00:19,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:00:19,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-12 00:00:19,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 00:00:19,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:00:19,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-12 00:00:19,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:00:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:19,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:00:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:20,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923018534] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:00:20,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:00:20,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-10-12 00:00:20,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022171854] [2024-10-12 00:00:20,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:00:20,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-12 00:00:20,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:20,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-12 00:00:20,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-12 00:00:20,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 167 [2024-10-12 00:00:20,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 160 transitions, 553 flow. Second operand has 34 states, 34 states have (on average 72.67647058823529) internal successors, (2471), 34 states have internal predecessors, (2471), 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) [2024-10-12 00:00:20,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:20,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 167 [2024-10-12 00:00:20,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:24,022 INFO L124 PetriNetUnfolderBase]: 8493/18647 cut-off events. [2024-10-12 00:00:24,023 INFO L125 PetriNetUnfolderBase]: For 1408/1408 co-relation queries the response was YES. [2024-10-12 00:00:24,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32009 conditions, 18647 events. 8493/18647 cut-off events. For 1408/1408 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 170731 event pairs, 7308 based on Foata normal form. 16/15323 useless extension candidates. Maximal degree in co-relation 31642. Up to 12580 conditions per place. [2024-10-12 00:00:24,108 INFO L140 encePairwiseOnDemand]: 162/167 looper letters, 114 selfloop transitions, 31 changer transitions 0/214 dead transitions. [2024-10-12 00:00:24,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 214 transitions, 1307 flow [2024-10-12 00:00:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-12 00:00:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-10-12 00:00:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 2352 transitions. [2024-10-12 00:00:24,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4543171721073981 [2024-10-12 00:00:24,114 INFO L175 Difference]: Start difference. First operand has 175 places, 160 transitions, 553 flow. Second operand 31 states and 2352 transitions. [2024-10-12 00:00:24,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 214 transitions, 1307 flow [2024-10-12 00:00:24,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 214 transitions, 1273 flow, removed 13 selfloop flow, removed 4 redundant places. [2024-10-12 00:00:24,123 INFO L231 Difference]: Finished difference. Result has 210 places, 177 transitions, 825 flow [2024-10-12 00:00:24,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=825, PETRI_PLACES=210, PETRI_TRANSITIONS=177} [2024-10-12 00:00:24,125 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 70 predicate places. [2024-10-12 00:00:24,125 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 177 transitions, 825 flow [2024-10-12 00:00:24,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 72.67647058823529) internal successors, (2471), 34 states have internal predecessors, (2471), 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) [2024-10-12 00:00:24,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:24,126 INFO L204 CegarLoopForPetriNet]: trace histogram [17, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1] [2024-10-12 00:00:24,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-12 00:00:24,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-12 00:00:24,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:24,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:24,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1339483152, now seen corresponding path program 3 times [2024-10-12 00:00:24,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:24,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147374977] [2024-10-12 00:00:24,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 108 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:26,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:26,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147374977] [2024-10-12 00:00:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147374977] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:00:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037775463] [2024-10-12 00:00:26,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 00:00:26,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:26,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:00:26,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:00:26,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-12 00:00:26,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-12 00:00:26,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:00:26,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:00:26,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:00:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-10-12 00:00:26,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 00:00:26,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037775463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:00:26,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 00:00:26,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [33] total 40 [2024-10-12 00:00:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172040114] [2024-10-12 00:00:26,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:00:26,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 00:00:26,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:26,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 00:00:26,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1246, Unknown=0, NotChecked=0, Total=1560 [2024-10-12 00:00:26,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 167 [2024-10-12 00:00:26,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 177 transitions, 825 flow. Second operand has 9 states, 9 states have (on average 70.44444444444444) internal successors, (634), 9 states have internal predecessors, (634), 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) [2024-10-12 00:00:26,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:26,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 167 [2024-10-12 00:00:26,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:29,411 INFO L124 PetriNetUnfolderBase]: 8493/18632 cut-off events. [2024-10-12 00:00:29,411 INFO L125 PetriNetUnfolderBase]: For 1588/1588 co-relation queries the response was YES. [2024-10-12 00:00:29,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32043 conditions, 18632 events. 8493/18632 cut-off events. For 1588/1588 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 170492 event pairs, 7308 based on Foata normal form. 15/15307 useless extension candidates. Maximal degree in co-relation 31627. Up to 12573 conditions per place. [2024-10-12 00:00:29,500 INFO L140 encePairwiseOnDemand]: 157/167 looper letters, 103 selfloop transitions, 41 changer transitions 0/211 dead transitions. [2024-10-12 00:00:29,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 211 transitions, 1532 flow [2024-10-12 00:00:29,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 00:00:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-12 00:00:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 844 transitions. [2024-10-12 00:00:29,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45944474686989656 [2024-10-12 00:00:29,503 INFO L175 Difference]: Start difference. First operand has 210 places, 177 transitions, 825 flow. Second operand 11 states and 844 transitions. [2024-10-12 00:00:29,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 211 transitions, 1532 flow [2024-10-12 00:00:29,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 211 transitions, 1480 flow, removed 2 selfloop flow, removed 12 redundant places. [2024-10-12 00:00:29,513 INFO L231 Difference]: Finished difference. Result has 212 places, 210 transitions, 1414 flow [2024-10-12 00:00:29,514 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1414, PETRI_PLACES=212, PETRI_TRANSITIONS=210} [2024-10-12 00:00:29,514 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 72 predicate places. [2024-10-12 00:00:29,515 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 210 transitions, 1414 flow [2024-10-12 00:00:29,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 70.44444444444444) internal successors, (634), 9 states have internal predecessors, (634), 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) [2024-10-12 00:00:29,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:29,515 INFO L204 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:00:29,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-12 00:00:29,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-12 00:00:29,717 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:29,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash -391630626, now seen corresponding path program 1 times [2024-10-12 00:00:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:29,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236742825] [2024-10-12 00:00:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:29,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:00:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-10-12 00:00:30,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:00:30,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236742825] [2024-10-12 00:00:30,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236742825] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:00:30,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399818992] [2024-10-12 00:00:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:30,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:30,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:00:30,258 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:00:30,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-12 00:00:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:00:30,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-12 00:00:30,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:00:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:31,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:00:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 00:00:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399818992] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:00:32,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:00:32,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 33, 33] total 64 [2024-10-12 00:00:32,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404210707] [2024-10-12 00:00:32,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:00:32,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-10-12 00:00:32,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:00:32,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-10-12 00:00:32,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=967, Invalid=3065, Unknown=0, NotChecked=0, Total=4032 [2024-10-12 00:00:32,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 167 [2024-10-12 00:00:32,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 210 transitions, 1414 flow. Second operand has 64 states, 64 states have (on average 70.640625) internal successors, (4521), 64 states have internal predecessors, (4521), 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) [2024-10-12 00:00:32,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-12 00:00:32,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 167 [2024-10-12 00:00:32,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-12 00:00:42,087 INFO L124 PetriNetUnfolderBase]: 8509/18982 cut-off events. [2024-10-12 00:00:42,087 INFO L125 PetriNetUnfolderBase]: For 10009/10009 co-relation queries the response was YES. [2024-10-12 00:00:42,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34207 conditions, 18982 events. 8509/18982 cut-off events. For 10009/10009 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 170630 event pairs, 7308 based on Foata normal form. 46/15688 useless extension candidates. Maximal degree in co-relation 33310. Up to 12578 conditions per place. [2024-10-12 00:00:42,178 INFO L140 encePairwiseOnDemand]: 158/167 looper letters, 192 selfloop transitions, 216 changer transitions 0/475 dead transitions. [2024-10-12 00:00:42,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 475 transitions, 6020 flow [2024-10-12 00:00:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-10-12 00:00:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2024-10-12 00:00:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 13012 transitions. [2024-10-12 00:00:42,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42811081134434426 [2024-10-12 00:00:42,195 INFO L175 Difference]: Start difference. First operand has 212 places, 210 transitions, 1414 flow. Second operand 182 states and 13012 transitions. [2024-10-12 00:00:42,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 475 transitions, 6020 flow [2024-10-12 00:00:42,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 475 transitions, 5998 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-10-12 00:00:42,222 INFO L231 Difference]: Finished difference. Result has 436 places, 364 transitions, 4282 flow [2024-10-12 00:00:42,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=1398, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=182, PETRI_FLOW=4282, PETRI_PLACES=436, PETRI_TRANSITIONS=364} [2024-10-12 00:00:42,225 INFO L277 CegarLoopForPetriNet]: 140 programPoint places, 296 predicate places. [2024-10-12 00:00:42,225 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 364 transitions, 4282 flow [2024-10-12 00:00:42,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 70.640625) internal successors, (4521), 64 states have internal predecessors, (4521), 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) [2024-10-12 00:00:42,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-12 00:00:42,228 INFO L204 CegarLoopForPetriNet]: trace histogram [32, 32, 31, 31, 31, 2, 1, 1, 1, 1, 1] [2024-10-12 00:00:42,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:00:42,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:00:42,429 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-10-12 00:00:42,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:00:42,430 INFO L85 PathProgramCache]: Analyzing trace with hash 621218998, now seen corresponding path program 1 times [2024-10-12 00:00:42,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:00:42,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806521137] [2024-10-12 00:00:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:00:42,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms