./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:36:59,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:36:59,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:36:59,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:36:59,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:36:59,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:36:59,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:36:59,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:36:59,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:36:59,596 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:36:59,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:36:59,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:36:59,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:36:59,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:36:59,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:36:59,598 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:36:59,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:36:59,598 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2025-03-09 06:36:59,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:36:59,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:36:59,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:36:59,825 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:36:59,825 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:36:59,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2025-03-09 06:37:00,927 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733dd8c64/15321c3fa468495fa2bd2f7865c17422/FLAG92ed14151 [2025-03-09 06:37:01,222 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:37:01,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2025-03-09 06:37:01,234 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733dd8c64/15321c3fa468495fa2bd2f7865c17422/FLAG92ed14151 [2025-03-09 06:37:01,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733dd8c64/15321c3fa468495fa2bd2f7865c17422 [2025-03-09 06:37:01,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:37:01,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:37:01,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:37:01,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:37:01,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:37:01,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d31ac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01, skipping insertion in model container [2025-03-09 06:37:01,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:37:01,604 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,605 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,605 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,605 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:37:01,651 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:37:01,687 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,687 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,687 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,687 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-09 06:37:01,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:37:01,748 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:37:01,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01 WrapperNode [2025-03-09 06:37:01,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:37:01,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:37:01,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:37:01,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:37:01,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,783 INFO L138 Inliner]: procedures = 281, calls = 126, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 300 [2025-03-09 06:37:01,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:37:01,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:37:01,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:37:01,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:37:01,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,810 INFO L175 MemorySlicer]: Split 98 memory accesses to 4 slices as follows [2, 5, 2, 89]. 91 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 5, 0, 70]. The 12 writes are split as follows [0, 0, 1, 11]. [2025-03-09 06:37:01,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,819 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:37:01,825 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:37:01,826 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:37:01,826 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:37:01,826 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (1/1) ... [2025-03-09 06:37:01,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:37:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:01,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 06:37:01,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 06:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 06:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 06:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-09 06:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-09 06:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-09 06:37:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:37:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:37:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-09 06:37:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:37:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:37:01,884 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:37:02,014 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:37:02,015 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:37:02,316 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1082: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2025-03-09 06:37:02,317 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1082-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2025-03-09 06:37:02,417 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:37:02,418 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:37:02,819 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:37:02,820 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:37:02,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:37:02 BoogieIcfgContainer [2025-03-09 06:37:02,820 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:37:02,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:37:02,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:37:02,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:37:02,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:37:01" (1/3) ... [2025-03-09 06:37:02,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688eea56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:37:02, skipping insertion in model container [2025-03-09 06:37:02,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:37:01" (2/3) ... [2025-03-09 06:37:02,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688eea56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:37:02, skipping insertion in model container [2025-03-09 06:37:02,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:37:02" (3/3) ... [2025-03-09 06:37:02,829 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2025-03-09 06:37:02,841 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:37:02,843 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_93-evilcollapse_racefree.i that has 2 procedures, 70 locations, 1 initial locations, 10 loop locations, and 16 error locations. [2025-03-09 06:37:02,843 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:37:02,894 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-09 06:37:02,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 86 transitions, 179 flow [2025-03-09 06:37:02,963 INFO L124 PetriNetUnfolderBase]: 16/90 cut-off events. [2025-03-09 06:37:02,964 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-09 06:37:02,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 90 events. 16/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 282 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 61. Up to 4 conditions per place. [2025-03-09 06:37:02,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 86 transitions, 179 flow [2025-03-09 06:37:02,972 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 85 transitions, 177 flow [2025-03-09 06:37:02,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:37:02,988 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;@ab9abaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:37:02,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-03-09 06:37:02,995 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:37:02,995 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2025-03-09 06:37:02,995 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:37:02,995 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:02,996 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:37:02,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:03,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:03,001 INFO L85 PathProgramCache]: Analyzing trace with hash 23244085, now seen corresponding path program 1 times [2025-03-09 06:37:03,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:03,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597410933] [2025-03-09 06:37:03,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:03,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:03,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:37:03,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:37:03,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:03,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 06:37:03,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1078154244] [2025-03-09 06:37:03,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:03,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:03,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:37:03,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:37:03,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:37:03,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:37:03,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:03,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:03,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-09 06:37:03,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:37:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:03,269 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:37:03,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:03,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597410933] [2025-03-09 06:37:03,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 06:37:03,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078154244] [2025-03-09 06:37:03,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078154244] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:03,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:03,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 06:37:03,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365310156] [2025-03-09 06:37:03,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:03,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:37:03,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:03,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:37:03,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:37:03,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 86 [2025-03-09 06:37:03,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 85 transitions, 177 flow. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2025-03-09 06:37:03,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:03,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 86 [2025-03-09 06:37:03,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:03,544 INFO L124 PetriNetUnfolderBase]: 121/402 cut-off events. [2025-03-09 06:37:03,544 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-09 06:37:03,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 402 events. 121/402 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1891 event pairs, 100 based on Foata normal form. 31/350 useless extension candidates. Maximal degree in co-relation 598. Up to 253 conditions per place. [2025-03-09 06:37:03,548 INFO L140 encePairwiseOnDemand]: 71/86 looper letters, 41 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2025-03-09 06:37:03,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 253 flow [2025-03-09 06:37:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:37:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:37:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 167 transitions. [2025-03-09 06:37:03,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6472868217054264 [2025-03-09 06:37:03,563 INFO L175 Difference]: Start difference. First operand has 73 places, 85 transitions, 177 flow. Second operand 3 states and 167 transitions. [2025-03-09 06:37:03,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 253 flow [2025-03-09 06:37:03,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 80 transitions, 253 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 06:37:03,572 INFO L231 Difference]: Finished difference. Result has 76 places, 76 transitions, 173 flow [2025-03-09 06:37:03,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=76, PETRI_TRANSITIONS=76} [2025-03-09 06:37:03,579 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 3 predicate places. [2025-03-09 06:37:03,579 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 76 transitions, 173 flow [2025-03-09 06:37:03,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2025-03-09 06:37:03,579 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:03,579 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 06:37:03,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 06:37:03,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-09 06:37:03,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:03,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:03,781 INFO L85 PathProgramCache]: Analyzing trace with hash 23244086, now seen corresponding path program 1 times [2025-03-09 06:37:03,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:03,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781918527] [2025-03-09 06:37:03,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:03,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:03,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 06:37:03,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 06:37:03,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:03,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:03,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:03,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781918527] [2025-03-09 06:37:03,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781918527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:03,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:03,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:37:03,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199133913] [2025-03-09 06:37:03,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:03,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:37:03,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:03,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:37:03,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:37:03,933 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 86 [2025-03-09 06:37:03,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 76 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2025-03-09 06:37:03,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:03,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 86 [2025-03-09 06:37:03,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:04,114 INFO L124 PetriNetUnfolderBase]: 121/416 cut-off events. [2025-03-09 06:37:04,115 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-09 06:37:04,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 416 events. 121/416 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1946 event pairs, 100 based on Foata normal form. 4/337 useless extension candidates. Maximal degree in co-relation 655. Up to 258 conditions per place. [2025-03-09 06:37:04,118 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 39 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2025-03-09 06:37:04,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 259 flow [2025-03-09 06:37:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:37:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 06:37:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2025-03-09 06:37:04,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5968992248062015 [2025-03-09 06:37:04,122 INFO L175 Difference]: Start difference. First operand has 76 places, 76 transitions, 173 flow. Second operand 3 states and 154 transitions. [2025-03-09 06:37:04,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 259 flow [2025-03-09 06:37:04,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 78 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:37:04,123 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 187 flow [2025-03-09 06:37:04,124 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2025-03-09 06:37:04,124 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 5 predicate places. [2025-03-09 06:37:04,124 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 187 flow [2025-03-09 06:37:04,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2025-03-09 06:37:04,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:04,124 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 06:37:04,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:37:04,125 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:04,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:04,125 INFO L85 PathProgramCache]: Analyzing trace with hash 862750933, now seen corresponding path program 1 times [2025-03-09 06:37:04,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:04,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671525635] [2025-03-09 06:37:04,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:04,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:04,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 06:37:04,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 06:37:04,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:04,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:04,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:04,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671525635] [2025-03-09 06:37:04,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671525635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:04,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:04,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:37:04,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071868092] [2025-03-09 06:37:04,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:04,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:37:04,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:04,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:37:04,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:37:04,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 86 [2025-03-09 06:37:04,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 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) [2025-03-09 06:37:04,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:04,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 86 [2025-03-09 06:37:04,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:04,576 INFO L124 PetriNetUnfolderBase]: 121/412 cut-off events. [2025-03-09 06:37:04,576 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-09 06:37:04,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 412 events. 121/412 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1924 event pairs, 100 based on Foata normal form. 4/337 useless extension candidates. Maximal degree in co-relation 642. Up to 262 conditions per place. [2025-03-09 06:37:04,580 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 40 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2025-03-09 06:37:04,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 78 transitions, 275 flow [2025-03-09 06:37:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:37:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:37:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 184 transitions. [2025-03-09 06:37:04,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5348837209302325 [2025-03-09 06:37:04,584 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 187 flow. Second operand 4 states and 184 transitions. [2025-03-09 06:37:04,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 78 transitions, 275 flow [2025-03-09 06:37:04,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 78 transitions, 273 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-09 06:37:04,586 INFO L231 Difference]: Finished difference. Result has 82 places, 78 transitions, 203 flow [2025-03-09 06:37:04,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=82, PETRI_TRANSITIONS=78} [2025-03-09 06:37:04,587 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 9 predicate places. [2025-03-09 06:37:04,588 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 78 transitions, 203 flow [2025-03-09 06:37:04,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 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) [2025-03-09 06:37:04,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:04,588 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:37:04,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:37:04,588 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:04,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:04,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1129416896, now seen corresponding path program 1 times [2025-03-09 06:37:04,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:04,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079245831] [2025-03-09 06:37:04,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:04,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:04,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 06:37:04,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 06:37:04,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:04,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:04,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:04,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079245831] [2025-03-09 06:37:04,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079245831] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:37:04,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426926153] [2025-03-09 06:37:04,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:04,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:04,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:04,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:37:04,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:37:04,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 06:37:04,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 06:37:04,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:04,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:04,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 06:37:04,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:37:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:04,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:37:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:04,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426926153] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:37:04,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:37:04,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-09 06:37:04,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994356781] [2025-03-09 06:37:04,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:37:04,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:37:04,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:04,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:37:04,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:37:04,960 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 86 [2025-03-09 06:37:04,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 78 transitions, 203 flow. Second operand has 10 states, 10 states have (on average 35.5) internal successors, (355), 10 states have internal predecessors, (355), 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) [2025-03-09 06:37:04,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:04,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 86 [2025-03-09 06:37:04,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:05,353 INFO L124 PetriNetUnfolderBase]: 121/428 cut-off events. [2025-03-09 06:37:05,355 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2025-03-09 06:37:05,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 428 events. 121/428 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2023 event pairs, 100 based on Foata normal form. 6/355 useless extension candidates. Maximal degree in co-relation 661. Up to 252 conditions per place. [2025-03-09 06:37:05,359 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 43 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2025-03-09 06:37:05,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 86 transitions, 337 flow [2025-03-09 06:37:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-09 06:37:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-09 06:37:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 360 transitions. [2025-03-09 06:37:05,363 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46511627906976744 [2025-03-09 06:37:05,363 INFO L175 Difference]: Start difference. First operand has 82 places, 78 transitions, 203 flow. Second operand 9 states and 360 transitions. [2025-03-09 06:37:05,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 86 transitions, 337 flow [2025-03-09 06:37:05,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 86 transitions, 333 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-09 06:37:05,367 INFO L231 Difference]: Finished difference. Result has 92 places, 82 transitions, 253 flow [2025-03-09 06:37:05,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=253, PETRI_PLACES=92, PETRI_TRANSITIONS=82} [2025-03-09 06:37:05,368 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 19 predicate places. [2025-03-09 06:37:05,368 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 82 transitions, 253 flow [2025-03-09 06:37:05,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 35.5) internal successors, (355), 10 states have internal predecessors, (355), 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) [2025-03-09 06:37:05,369 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:05,369 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2025-03-09 06:37:05,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 06:37:05,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-09 06:37:05,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:05,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:05,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1257068065, now seen corresponding path program 1 times [2025-03-09 06:37:05,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994766081] [2025-03-09 06:37:05,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:05,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:37:05,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:37:05,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:05,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:05,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:05,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994766081] [2025-03-09 06:37:05,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994766081] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:37:05,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456691074] [2025-03-09 06:37:05,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:05,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:05,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:05,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:37:05,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 06:37:05,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:37:05,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:37:05,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:05,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:05,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:37:05,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:37:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:05,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:37:05,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456691074] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:05,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:37:05,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-09 06:37:05,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599477886] [2025-03-09 06:37:05,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:05,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:37:05,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:05,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:37:05,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:37:05,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 86 [2025-03-09 06:37:05,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 82 transitions, 253 flow. Second operand has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 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) [2025-03-09 06:37:05,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:05,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 86 [2025-03-09 06:37:05,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:06,201 INFO L124 PetriNetUnfolderBase]: 121/424 cut-off events. [2025-03-09 06:37:06,201 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2025-03-09 06:37:06,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 424 events. 121/424 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1977 event pairs, 100 based on Foata normal form. 4/349 useless extension candidates. Maximal degree in co-relation 678. Up to 250 conditions per place. [2025-03-09 06:37:06,203 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 36 selfloop transitions, 8 changer transitions 0/80 dead transitions. [2025-03-09 06:37:06,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 80 transitions, 327 flow [2025-03-09 06:37:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:37:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-09 06:37:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 252 transitions. [2025-03-09 06:37:06,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4883720930232558 [2025-03-09 06:37:06,204 INFO L175 Difference]: Start difference. First operand has 92 places, 82 transitions, 253 flow. Second operand 6 states and 252 transitions. [2025-03-09 06:37:06,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 80 transitions, 327 flow [2025-03-09 06:37:06,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 80 transitions, 319 flow, removed 2 selfloop flow, removed 2 redundant places. [2025-03-09 06:37:06,206 INFO L231 Difference]: Finished difference. Result has 92 places, 80 transitions, 247 flow [2025-03-09 06:37:06,207 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=247, PETRI_PLACES=92, PETRI_TRANSITIONS=80} [2025-03-09 06:37:06,207 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 19 predicate places. [2025-03-09 06:37:06,207 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 80 transitions, 247 flow [2025-03-09 06:37:06,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 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) [2025-03-09 06:37:06,207 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:06,207 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1] [2025-03-09 06:37:06,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 06:37:06,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:06,408 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:06,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:06,408 INFO L85 PathProgramCache]: Analyzing trace with hash -653638100, now seen corresponding path program 1 times [2025-03-09 06:37:06,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:06,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661915853] [2025-03-09 06:37:06,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:06,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 06:37:06,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 06:37:06,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:06,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-09 06:37:06,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:06,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661915853] [2025-03-09 06:37:06,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661915853] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:06,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:06,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:37:06,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456467801] [2025-03-09 06:37:06,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:06,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:37:06,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:06,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:37:06,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:37:06,533 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 86 [2025-03-09 06:37:06,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 80 transitions, 247 flow. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) [2025-03-09 06:37:06,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:06,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 86 [2025-03-09 06:37:06,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:06,690 INFO L124 PetriNetUnfolderBase]: 121/422 cut-off events. [2025-03-09 06:37:06,690 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2025-03-09 06:37:06,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 422 events. 121/422 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1973 event pairs, 100 based on Foata normal form. 2/345 useless extension candidates. Maximal degree in co-relation 684. Up to 256 conditions per place. [2025-03-09 06:37:06,692 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 35 selfloop transitions, 9 changer transitions 0/80 dead transitions. [2025-03-09 06:37:06,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 80 transitions, 333 flow [2025-03-09 06:37:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:37:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:37:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2025-03-09 06:37:06,696 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5319767441860465 [2025-03-09 06:37:06,696 INFO L175 Difference]: Start difference. First operand has 92 places, 80 transitions, 247 flow. Second operand 4 states and 183 transitions. [2025-03-09 06:37:06,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 80 transitions, 333 flow [2025-03-09 06:37:06,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 80 transitions, 317 flow, removed 2 selfloop flow, removed 6 redundant places. [2025-03-09 06:37:06,698 INFO L231 Difference]: Finished difference. Result has 89 places, 80 transitions, 255 flow [2025-03-09 06:37:06,700 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=255, PETRI_PLACES=89, PETRI_TRANSITIONS=80} [2025-03-09 06:37:06,701 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 16 predicate places. [2025-03-09 06:37:06,701 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 80 transitions, 255 flow [2025-03-09 06:37:06,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) [2025-03-09 06:37:06,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:06,701 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-09 06:37:06,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:37:06,701 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:06,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:06,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1080964480, now seen corresponding path program 2 times [2025-03-09 06:37:06,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:06,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378779997] [2025-03-09 06:37:06,702 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:37:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:06,733 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-03-09 06:37:06,736 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 19 statements. [2025-03-09 06:37:06,737 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:37:06,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-09 06:37:06,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:06,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378779997] [2025-03-09 06:37:06,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378779997] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:37:06,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:37:06,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:37:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225663327] [2025-03-09 06:37:06,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:37:06,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:37:06,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:06,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:37:06,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:37:06,773 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 86 [2025-03-09 06:37:06,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 80 transitions, 255 flow. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2025-03-09 06:37:06,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:06,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 86 [2025-03-09 06:37:06,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:07,013 INFO L124 PetriNetUnfolderBase]: 121/420 cut-off events. [2025-03-09 06:37:07,013 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2025-03-09 06:37:07,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 420 events. 121/420 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1968 event pairs, 100 based on Foata normal form. 2/345 useless extension candidates. Maximal degree in co-relation 666. Up to 261 conditions per place. [2025-03-09 06:37:07,015 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 50 selfloop transitions, 3 changer transitions 0/88 dead transitions. [2025-03-09 06:37:07,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 88 transitions, 433 flow [2025-03-09 06:37:07,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:37:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 06:37:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2025-03-09 06:37:07,016 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5436046511627907 [2025-03-09 06:37:07,016 INFO L175 Difference]: Start difference. First operand has 89 places, 80 transitions, 255 flow. Second operand 4 states and 187 transitions. [2025-03-09 06:37:07,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 88 transitions, 433 flow [2025-03-09 06:37:07,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 88 transitions, 409 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-09 06:37:07,018 INFO L231 Difference]: Finished difference. Result has 92 places, 81 transitions, 266 flow [2025-03-09 06:37:07,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=266, PETRI_PLACES=92, PETRI_TRANSITIONS=81} [2025-03-09 06:37:07,021 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 19 predicate places. [2025-03-09 06:37:07,021 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 266 flow [2025-03-09 06:37:07,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2025-03-09 06:37:07,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:07,022 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:37:07,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:37:07,022 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:07,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash 123601556, now seen corresponding path program 1 times [2025-03-09 06:37:07,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:07,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339119877] [2025-03-09 06:37:07,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:07,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 06:37:07,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 06:37:07,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:07,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-09 06:37:07,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:07,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339119877] [2025-03-09 06:37:07,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339119877] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:37:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083791467] [2025-03-09 06:37:07,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:07,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:07,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:07,201 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:37:07,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 06:37:07,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 06:37:07,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 06:37:07,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:07,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:07,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:37:07,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:37:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:07,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:37:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:37:07,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083791467] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:37:07,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:37:07,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2025-03-09 06:37:07,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433587916] [2025-03-09 06:37:07,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:37:07,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-09 06:37:07,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:07,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-09 06:37:07,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2025-03-09 06:37:07,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 86 [2025-03-09 06:37:07,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 266 flow. Second operand has 19 states, 19 states have (on average 33.8421052631579) internal successors, (643), 19 states have internal predecessors, (643), 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) [2025-03-09 06:37:07,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:07,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 86 [2025-03-09 06:37:07,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:08,681 INFO L124 PetriNetUnfolderBase]: 126/522 cut-off events. [2025-03-09 06:37:08,681 INFO L125 PetriNetUnfolderBase]: For 380/380 co-relation queries the response was YES. [2025-03-09 06:37:08,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 522 events. 126/522 cut-off events. For 380/380 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2120 event pairs, 100 based on Foata normal form. 13/458 useless extension candidates. Maximal degree in co-relation 997. Up to 251 conditions per place. [2025-03-09 06:37:08,683 INFO L140 encePairwiseOnDemand]: 77/86 looper letters, 79 selfloop transitions, 55 changer transitions 0/166 dead transitions. [2025-03-09 06:37:08,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 166 transitions, 1137 flow [2025-03-09 06:37:08,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-03-09 06:37:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2025-03-09 06:37:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 1555 transitions. [2025-03-09 06:37:08,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41094080338266387 [2025-03-09 06:37:08,690 INFO L175 Difference]: Start difference. First operand has 92 places, 81 transitions, 266 flow. Second operand 44 states and 1555 transitions. [2025-03-09 06:37:08,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 166 transitions, 1137 flow [2025-03-09 06:37:08,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 166 transitions, 1133 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-09 06:37:08,694 INFO L231 Difference]: Finished difference. Result has 146 places, 129 transitions, 821 flow [2025-03-09 06:37:08,694 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=821, PETRI_PLACES=146, PETRI_TRANSITIONS=129} [2025-03-09 06:37:08,694 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 73 predicate places. [2025-03-09 06:37:08,694 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 129 transitions, 821 flow [2025-03-09 06:37:08,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 33.8421052631579) internal successors, (643), 19 states have internal predecessors, (643), 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) [2025-03-09 06:37:08,695 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:08,695 INFO L206 CegarLoopForPetriNet]: trace histogram [9, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1] [2025-03-09 06:37:08,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 06:37:08,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:08,899 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:08,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:08,899 INFO L85 PathProgramCache]: Analyzing trace with hash 576192139, now seen corresponding path program 1 times [2025-03-09 06:37:08,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:08,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792988007] [2025-03-09 06:37:08,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:08,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:08,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 06:37:09,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 06:37:09,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:09,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:37:09,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:09,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792988007] [2025-03-09 06:37:09,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792988007] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:37:09,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237988574] [2025-03-09 06:37:09,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:37:09,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:09,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:09,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:37:09,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 06:37:09,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-09 06:37:09,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-09 06:37:09,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:37:09,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:09,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 06:37:09,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:37:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:37:09,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:37:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 52 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:37:10,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237988574] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:37:10,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:37:10,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-03-09 06:37:10,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656420403] [2025-03-09 06:37:10,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:37:10,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-09 06:37:10,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:10,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-09 06:37:10,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-03-09 06:37:10,157 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 86 [2025-03-09 06:37:10,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 129 transitions, 821 flow. Second operand has 34 states, 34 states have (on average 35.6764705882353) internal successors, (1213), 34 states have internal predecessors, (1213), 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) [2025-03-09 06:37:10,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:10,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 86 [2025-03-09 06:37:10,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:11,552 INFO L124 PetriNetUnfolderBase]: 122/674 cut-off events. [2025-03-09 06:37:11,552 INFO L125 PetriNetUnfolderBase]: For 2683/2683 co-relation queries the response was YES. [2025-03-09 06:37:11,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2041 conditions, 674 events. 122/674 cut-off events. For 2683/2683 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2205 event pairs, 100 based on Foata normal form. 24/621 useless extension candidates. Maximal degree in co-relation 1667. Up to 255 conditions per place. [2025-03-09 06:37:11,556 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 112 selfloop transitions, 93 changer transitions 0/239 dead transitions. [2025-03-09 06:37:11,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 239 transitions, 2463 flow [2025-03-09 06:37:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-09 06:37:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2025-03-09 06:37:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 1170 transitions. [2025-03-09 06:37:11,561 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43885971492873216 [2025-03-09 06:37:11,561 INFO L175 Difference]: Start difference. First operand has 146 places, 129 transitions, 821 flow. Second operand 31 states and 1170 transitions. [2025-03-09 06:37:11,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 239 transitions, 2463 flow [2025-03-09 06:37:11,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 239 transitions, 2355 flow, removed 43 selfloop flow, removed 5 redundant places. [2025-03-09 06:37:11,575 INFO L231 Difference]: Finished difference. Result has 180 places, 180 transitions, 1558 flow [2025-03-09 06:37:11,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1558, PETRI_PLACES=180, PETRI_TRANSITIONS=180} [2025-03-09 06:37:11,576 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 107 predicate places. [2025-03-09 06:37:11,576 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 180 transitions, 1558 flow [2025-03-09 06:37:11,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 35.6764705882353) internal successors, (1213), 34 states have internal predecessors, (1213), 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) [2025-03-09 06:37:11,577 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:11,577 INFO L206 CegarLoopForPetriNet]: trace histogram [17, 16, 16, 16, 16, 2, 1, 1, 1, 1, 1] [2025-03-09 06:37:11,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 06:37:11,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:11,778 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:11,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1319909259, now seen corresponding path program 2 times [2025-03-09 06:37:11,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:11,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976620503] [2025-03-09 06:37:11,779 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:37:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:11,936 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-03-09 06:37:12,006 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 06:37:12,007 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:37:12,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 108 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:37:13,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:37:13,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976620503] [2025-03-09 06:37:13,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976620503] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:37:13,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537947257] [2025-03-09 06:37:13,294 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:37:13,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:37:13,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:37:13,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 06:37:13,579 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 88 statements into 2 equivalence classes. [2025-03-09 06:37:13,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 88 of 88 statements. [2025-03-09 06:37:13,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:37:13,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:37:13,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-09 06:37:13,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:37:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 108 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:37:13,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:37:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 108 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:37:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537947257] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:37:14,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:37:14,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2025-03-09 06:37:14,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461205832] [2025-03-09 06:37:14,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:37:14,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-03-09 06:37:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:37:14,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-03-09 06:37:14,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2025-03-09 06:37:14,675 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 86 [2025-03-09 06:37:14,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 180 transitions, 1558 flow. Second operand has 63 states, 63 states have (on average 35.61904761904762) internal successors, (2244), 63 states have internal predecessors, (2244), 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) [2025-03-09 06:37:14,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:37:14,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 86 [2025-03-09 06:37:14,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:37:17,538 INFO L124 PetriNetUnfolderBase]: 122/959 cut-off events. [2025-03-09 06:37:17,538 INFO L125 PetriNetUnfolderBase]: For 9666/9666 co-relation queries the response was YES. [2025-03-09 06:37:17,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3685 conditions, 959 events. 122/959 cut-off events. For 9666/9666 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2326 event pairs, 100 based on Foata normal form. 45/927 useless extension candidates. Maximal degree in co-relation 3042. Up to 255 conditions per place. [2025-03-09 06:37:17,543 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 202 selfloop transitions, 183 changer transitions 0/419 dead transitions. [2025-03-09 06:37:17,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 419 transitions, 5402 flow [2025-03-09 06:37:17,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-09 06:37:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2025-03-09 06:37:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 2272 transitions. [2025-03-09 06:37:17,547 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43309187952725886 [2025-03-09 06:37:17,547 INFO L175 Difference]: Start difference. First operand has 180 places, 180 transitions, 1558 flow. Second operand 61 states and 2272 transitions. [2025-03-09 06:37:17,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 419 transitions, 5402 flow [2025-03-09 06:37:17,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 419 transitions, 5330 flow, removed 0 selfloop flow, removed 12 redundant places. [2025-03-09 06:37:17,573 INFO L231 Difference]: Finished difference. Result has 244 places, 273 transitions, 3228 flow [2025-03-09 06:37:17,573 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=1486, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=3228, PETRI_PLACES=244, PETRI_TRANSITIONS=273} [2025-03-09 06:37:17,574 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 171 predicate places. [2025-03-09 06:37:17,574 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 273 transitions, 3228 flow [2025-03-09 06:37:17,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 35.61904761904762) internal successors, (2244), 63 states have internal predecessors, (2244), 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) [2025-03-09 06:37:17,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:37:17,575 INFO L206 CegarLoopForPetriNet]: trace histogram [32, 31, 31, 31, 31, 2, 1, 1, 1, 1, 1] [2025-03-09 06:37:17,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 06:37:17,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:37:17,775 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:37:17,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:37:17,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1677645397, now seen corresponding path program 3 times [2025-03-09 06:37:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:37:17,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228630548] [2025-03-09 06:37:17,777 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:37:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:37:17,996 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 163 statements into 32 equivalence classes. [2025-03-09 06:38:18,502 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) and asserted 163 of 163 statements. [2025-03-09 06:38:18,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2025-03-09 06:38:18,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 06:38:18,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490056253] [2025-03-09 06:38:18,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:38:18,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:38:18,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:38:18,529 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:38:18,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 06:38:19,013 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 163 statements into 32 equivalence classes. [2025-03-09 06:38:19,054 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 13 of 163 statements. [2025-03-09 06:38:19,054 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 06:38:19,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:38:19,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 06:38:19,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:38:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 2205 trivial. 0 not checked. [2025-03-09 06:38:19,244 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:38:19,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:38:19,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228630548] [2025-03-09 06:38:19,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 06:38:19,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490056253] [2025-03-09 06:38:19,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490056253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:38:19,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:38:19,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 06:38:19,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390495631] [2025-03-09 06:38:19,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:38:19,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 06:38:19,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:38:19,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 06:38:19,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:38:19,276 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 86 [2025-03-09 06:38:19,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 273 transitions, 3228 flow. Second operand has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 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) [2025-03-09 06:38:19,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:38:19,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 86 [2025-03-09 06:38:19,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:38:20,067 INFO L124 PetriNetUnfolderBase]: 122/899 cut-off events. [2025-03-09 06:38:20,067 INFO L125 PetriNetUnfolderBase]: For 7573/7573 co-relation queries the response was YES. [2025-03-09 06:38:20,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3665 conditions, 899 events. 122/899 cut-off events. For 7573/7573 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2104 event pairs, 100 based on Foata normal form. 60/882 useless extension candidates. Maximal degree in co-relation 3006. Up to 245 conditions per place. [2025-03-09 06:38:20,072 INFO L140 encePairwiseOnDemand]: 77/86 looper letters, 98 selfloop transitions, 129 changer transitions 0/271 dead transitions. [2025-03-09 06:38:20,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 271 transitions, 3672 flow [2025-03-09 06:38:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:38:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-09 06:38:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 377 transitions. [2025-03-09 06:38:20,073 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4383720930232558 [2025-03-09 06:38:20,073 INFO L175 Difference]: Start difference. First operand has 244 places, 273 transitions, 3228 flow. Second operand 10 states and 377 transitions. [2025-03-09 06:38:20,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 271 transitions, 3672 flow [2025-03-09 06:38:20,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 271 transitions, 3474 flow, removed 15 selfloop flow, removed 28 redundant places. [2025-03-09 06:38:20,112 INFO L231 Difference]: Finished difference. Result has 223 places, 271 transitions, 3278 flow [2025-03-09 06:38:20,112 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=3020, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3278, PETRI_PLACES=223, PETRI_TRANSITIONS=271} [2025-03-09 06:38:20,112 INFO L279 CegarLoopForPetriNet]: 73 programPoint places, 150 predicate places. [2025-03-09 06:38:20,113 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 271 transitions, 3278 flow [2025-03-09 06:38:20,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 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) [2025-03-09 06:38:20,113 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:38:20,113 INFO L206 CegarLoopForPetriNet]: trace histogram [32, 32, 31, 31, 31, 2, 1, 1, 1, 1, 1] [2025-03-09 06:38:20,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 06:38:20,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:38:20,313 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2025-03-09 06:38:20,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:38:20,315 INFO L85 PathProgramCache]: Analyzing trace with hash 467400433, now seen corresponding path program 1 times [2025-03-09 06:38:20,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:38:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282179782] [2025-03-09 06:38:20,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:38:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:38:20,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes.