./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 19:02:01,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:02:01,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 19:02:01,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:02:01,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:02:01,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:02:01,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:02:01,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:02:01,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:02:01,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:02:01,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:02:01,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:02:01,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:02:01,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:02:01,279 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:02:01,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:02:01,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:02:01,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:02:01,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:02:01,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:02:01,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:02:01,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:02:01,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:02:01,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:02:01,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:02:01,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:02:01,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:02:01,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:02:01,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:02:01,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:02:01,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:02:01,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:02:01,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:02:01,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:02:01,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:02:01,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:02:01,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:02:01,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:02:01,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:02:01,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:02:01,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:02:01,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:02:01,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:02:01,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:02:01,294 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2024-11-08 19:02:01,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:02:01,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:02:01,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:02:01,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:02:01,738 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:02:01,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i Unable to find full path for "g++" [2024-11-08 19:02:04,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:02:04,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:02:04,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-08 19:02:04,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/data/5e39d5a59/f3793f3e6bcb4ed08d20c6e667f081df/FLAGe060e06d6 [2024-11-08 19:02:04,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/data/5e39d5a59/f3793f3e6bcb4ed08d20c6e667f081df [2024-11-08 19:02:04,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:02:04,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:02:04,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:02:04,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:02:04,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:02:04,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:02:04" (1/1) ... [2024-11-08 19:02:04,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62659750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:04, skipping insertion in model container [2024-11-08 19:02:04,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:02:04" (1/1) ... [2024-11-08 19:02:04,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:02:05,375 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,376 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,377 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,377 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:02:05,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:02:05,573 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,574 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,574 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,575 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 19:02:05,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:02:05,669 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:02:05,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05 WrapperNode [2024-11-08 19:02:05,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:02:05,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:02:05,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:02:05,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:02:05,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,787 INFO L138 Inliner]: procedures = 281, calls = 126, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 312 [2024-11-08 19:02:05,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:02:05,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:02:05,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:02:05,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:02:05,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,899 INFO L175 MemorySlicer]: Split 98 memory accesses to 4 slices as follows [2, 5, 89, 2]. 91 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 5, 70, 0]. The 12 writes are split as follows [0, 0, 11, 1]. [2024-11-08 19:02:05,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:02:05,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:02:05,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:02:05,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:02:05,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:02:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:06,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:02:06,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:02:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:02:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 19:02:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 19:02:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 19:02:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 19:02:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:02:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 19:02:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 19:02:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 19:02:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 19:02:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:02:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:02:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:02:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:02:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:02:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:02:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:02:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:02:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:02:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:02:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:02:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:02:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 19:02:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 19:02:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 19:02:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 19:02:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 19:02:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 19:02:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:02:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:02:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:02:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:02:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:02:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:02:06,073 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:02:06,361 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:02:06,364 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:02:07,192 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:02:07,192 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:02:08,218 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:02:08,219 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-08 19:02:08,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:02:08 BoogieIcfgContainer [2024-11-08 19:02:08,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:02:08,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:02:08,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:02:08,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:02:08,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:02:04" (1/3) ... [2024-11-08 19:02:08,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d90ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:02:08, skipping insertion in model container [2024-11-08 19:02:08,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (2/3) ... [2024-11-08 19:02:08,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d90ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:02:08, skipping insertion in model container [2024-11-08 19:02:08,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:02:08" (3/3) ... [2024-11-08 19:02:08,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-11-08 19:02:08,261 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:02:08,261 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-08 19:02:08,262 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:02:08,356 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 19:02:08,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 104 transitions, 215 flow [2024-11-08 19:02:08,503 INFO L124 PetriNetUnfolderBase]: 24/114 cut-off events. [2024-11-08 19:02:08,504 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:02:08,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 24/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 315 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 73. Up to 4 conditions per place. [2024-11-08 19:02:08,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 104 transitions, 215 flow [2024-11-08 19:02:08,517 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 103 transitions, 213 flow [2024-11-08 19:02:08,535 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:02:08,547 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;@18efc88a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:02:08,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-08 19:02:08,568 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:02:08,568 INFO L124 PetriNetUnfolderBase]: 4/20 cut-off events. [2024-11-08 19:02:08,568 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:02:08,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:08,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 19:02:08,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:08,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:08,578 INFO L85 PathProgramCache]: Analyzing trace with hash -195411852, now seen corresponding path program 1 times [2024-11-08 19:02:08,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:08,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096788505] [2024-11-08 19:02:08,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:08,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:09,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:09,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096788505] [2024-11-08 19:02:09,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096788505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:09,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:09,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:02:09,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708830533] [2024-11-08 19:02:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:09,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:02:09,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:09,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:02:09,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:02:09,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 104 [2024-11-08 19:02:09,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 103 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:09,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:09,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 104 [2024-11-08 19:02:09,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:09,700 INFO L124 PetriNetUnfolderBase]: 138/451 cut-off events. [2024-11-08 19:02:09,700 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:02:09,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 451 events. 138/451 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2376 event pairs, 100 based on Foata normal form. 39/430 useless extension candidates. Maximal degree in co-relation 640. Up to 255 conditions per place. [2024-11-08 19:02:09,707 INFO L140 encePairwiseOnDemand]: 88/104 looper letters, 40 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2024-11-08 19:02:09,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 95 transitions, 281 flow [2024-11-08 19:02:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:02:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:02:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-08 19:02:09,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6891025641025641 [2024-11-08 19:02:09,728 INFO L175 Difference]: Start difference. First operand has 85 places, 103 transitions, 213 flow. Second operand 3 states and 215 transitions. [2024-11-08 19:02:09,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 95 transitions, 281 flow [2024-11-08 19:02:09,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 95 transitions, 281 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:02:09,740 INFO L231 Difference]: Finished difference. Result has 88 places, 94 transitions, 211 flow [2024-11-08 19:02:09,743 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=88, PETRI_TRANSITIONS=94} [2024-11-08 19:02:09,748 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 3 predicate places. [2024-11-08 19:02:09,748 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 94 transitions, 211 flow [2024-11-08 19:02:09,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:09,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:09,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:09,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:02:09,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:09,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:09,755 INFO L85 PathProgramCache]: Analyzing trace with hash -923438945, now seen corresponding path program 1 times [2024-11-08 19:02:09,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:09,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444321400] [2024-11-08 19:02:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:09,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:09,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444321400] [2024-11-08 19:02:09,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444321400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:09,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:09,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:02:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884895538] [2024-11-08 19:02:09,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:09,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:02:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:02:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:02:09,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 104 [2024-11-08 19:02:09,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 94 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:09,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:09,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 104 [2024-11-08 19:02:09,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:10,417 INFO L124 PetriNetUnfolderBase]: 140/476 cut-off events. [2024-11-08 19:02:10,418 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-08 19:02:10,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 476 events. 140/476 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2391 event pairs, 100 based on Foata normal form. 4/419 useless extension candidates. Maximal degree in co-relation 695. Up to 257 conditions per place. [2024-11-08 19:02:10,425 INFO L140 encePairwiseOnDemand]: 98/104 looper letters, 45 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-11-08 19:02:10,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 100 transitions, 325 flow [2024-11-08 19:02:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:02:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:02:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2024-11-08 19:02:10,431 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-08 19:02:10,431 INFO L175 Difference]: Start difference. First operand has 88 places, 94 transitions, 211 flow. Second operand 3 states and 208 transitions. [2024-11-08 19:02:10,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 100 transitions, 325 flow [2024-11-08 19:02:10,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 100 transitions, 321 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:02:10,440 INFO L231 Difference]: Finished difference. Result has 90 places, 95 transitions, 227 flow [2024-11-08 19:02:10,440 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=227, PETRI_PLACES=90, PETRI_TRANSITIONS=95} [2024-11-08 19:02:10,442 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 5 predicate places. [2024-11-08 19:02:10,443 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 95 transitions, 227 flow [2024-11-08 19:02:10,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:10,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:10,445 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:10,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:02:10,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:10,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:10,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1189119489, now seen corresponding path program 1 times [2024-11-08 19:02:10,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:10,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464850742] [2024-11-08 19:02:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:10,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:10,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:10,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464850742] [2024-11-08 19:02:10,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464850742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:10,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:10,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:02:10,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94216283] [2024-11-08 19:02:10,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:10,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:02:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:10,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:02:10,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:02:10,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 104 [2024-11-08 19:02:10,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 95 transitions, 227 flow. Second operand has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:10,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:10,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 104 [2024-11-08 19:02:10,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:11,366 INFO L124 PetriNetUnfolderBase]: 140/472 cut-off events. [2024-11-08 19:02:11,366 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-08 19:02:11,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 472 events. 140/472 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2381 event pairs, 100 based on Foata normal form. 4/419 useless extension candidates. Maximal degree in co-relation 720. Up to 266 conditions per place. [2024-11-08 19:02:11,374 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 42 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2024-11-08 19:02:11,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 96 transitions, 319 flow [2024-11-08 19:02:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:02:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:02:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 250 transitions. [2024-11-08 19:02:11,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6009615384615384 [2024-11-08 19:02:11,381 INFO L175 Difference]: Start difference. First operand has 90 places, 95 transitions, 227 flow. Second operand 4 states and 250 transitions. [2024-11-08 19:02:11,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 96 transitions, 319 flow [2024-11-08 19:02:11,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 96 transitions, 317 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:02:11,391 INFO L231 Difference]: Finished difference. Result has 94 places, 96 transitions, 243 flow [2024-11-08 19:02:11,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=243, PETRI_PLACES=94, PETRI_TRANSITIONS=96} [2024-11-08 19:02:11,392 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 9 predicate places. [2024-11-08 19:02:11,393 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 96 transitions, 243 flow [2024-11-08 19:02:11,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.0) internal successors, (208), 4 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:11,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:11,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:11,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:02:11,396 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:11,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:11,397 INFO L85 PathProgramCache]: Analyzing trace with hash 951688329, now seen corresponding path program 1 times [2024-11-08 19:02:11,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:11,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971350233] [2024-11-08 19:02:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:11,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:11,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:11,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971350233] [2024-11-08 19:02:11,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971350233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:02:11,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441643594] [2024-11-08 19:02:11,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:11,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:11,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:11,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:02:11,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:02:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:11,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:02:11,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:11,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:02:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:12,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441643594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:02:12,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:02:12,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 19:02:12,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572740455] [2024-11-08 19:02:12,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:02:12,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:02:12,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:12,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:02:12,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:02:12,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 104 [2024-11-08 19:02:12,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 96 transitions, 243 flow. Second operand has 10 states, 10 states have (on average 50.9) internal successors, (509), 10 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:12,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:12,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 104 [2024-11-08 19:02:12,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:13,273 INFO L124 PetriNetUnfolderBase]: 138/488 cut-off events. [2024-11-08 19:02:13,274 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-08 19:02:13,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 488 events. 138/488 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2462 event pairs, 100 based on Foata normal form. 10/441 useless extension candidates. Maximal degree in co-relation 719. Up to 254 conditions per place. [2024-11-08 19:02:13,280 INFO L140 encePairwiseOnDemand]: 96/104 looper letters, 47 selfloop transitions, 9 changer transitions 0/105 dead transitions. [2024-11-08 19:02:13,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 385 flow [2024-11-08 19:02:13,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:02:13,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 19:02:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 501 transitions. [2024-11-08 19:02:13,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5352564102564102 [2024-11-08 19:02:13,285 INFO L175 Difference]: Start difference. First operand has 94 places, 96 transitions, 243 flow. Second operand 9 states and 501 transitions. [2024-11-08 19:02:13,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 385 flow [2024-11-08 19:02:13,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 105 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:02:13,291 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 289 flow [2024-11-08 19:02:13,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=289, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2024-11-08 19:02:13,292 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 19 predicate places. [2024-11-08 19:02:13,293 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 289 flow [2024-11-08 19:02:13,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 50.9) internal successors, (509), 10 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:13,293 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:13,294 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:13,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:02:13,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:13,495 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:13,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash -254201642, now seen corresponding path program 1 times [2024-11-08 19:02:13,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:13,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060902794] [2024-11-08 19:02:13,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:13,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:13,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:13,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060902794] [2024-11-08 19:02:13,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060902794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:02:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076261985] [2024-11-08 19:02:13,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:13,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:13,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:13,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:02:13,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:02:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:14,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:02:14,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:14,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:02:14,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076261985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:14,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:02:14,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-08 19:02:14,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824517381] [2024-11-08 19:02:14,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:14,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:02:14,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:14,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:02:14,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:02:14,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 104 [2024-11-08 19:02:14,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 289 flow. Second operand has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:14,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:14,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 104 [2024-11-08 19:02:14,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:15,010 INFO L124 PetriNetUnfolderBase]: 138/484 cut-off events. [2024-11-08 19:02:15,011 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-08 19:02:15,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 484 events. 138/484 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2455 event pairs, 100 based on Foata normal form. 4/431 useless extension candidates. Maximal degree in co-relation 735. Up to 250 conditions per place. [2024-11-08 19:02:15,016 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 37 selfloop transitions, 8 changer transitions 0/97 dead transitions. [2024-11-08 19:02:15,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 97 transitions, 365 flow [2024-11-08 19:02:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:02:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:02:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 349 transitions. [2024-11-08 19:02:15,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5592948717948718 [2024-11-08 19:02:15,019 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 289 flow. Second operand 6 states and 349 transitions. [2024-11-08 19:02:15,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 97 transitions, 365 flow [2024-11-08 19:02:15,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 97 transitions, 357 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-08 19:02:15,032 INFO L231 Difference]: Finished difference. Result has 104 places, 97 transitions, 283 flow [2024-11-08 19:02:15,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=283, PETRI_PLACES=104, PETRI_TRANSITIONS=97} [2024-11-08 19:02:15,034 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 19 predicate places. [2024-11-08 19:02:15,034 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 97 transitions, 283 flow [2024-11-08 19:02:15,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:15,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:15,034 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-08 19:02:15,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 19:02:15,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:15,242 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:15,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -813999968, now seen corresponding path program 1 times [2024-11-08 19:02:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:15,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963937408] [2024-11-08 19:02:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:15,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:02:15,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:15,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963937408] [2024-11-08 19:02:15,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963937408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:15,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:15,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:02:15,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241538112] [2024-11-08 19:02:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:15,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:02:15,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:02:15,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:02:15,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 104 [2024-11-08 19:02:15,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 97 transitions, 283 flow. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:15,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:15,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 104 [2024-11-08 19:02:15,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:15,853 INFO L124 PetriNetUnfolderBase]: 138/482 cut-off events. [2024-11-08 19:02:15,853 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2024-11-08 19:02:15,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 482 events. 138/482 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2440 event pairs, 100 based on Foata normal form. 2/427 useless extension candidates. Maximal degree in co-relation 744. Up to 258 conditions per place. [2024-11-08 19:02:15,857 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 37 selfloop transitions, 9 changer transitions 0/97 dead transitions. [2024-11-08 19:02:15,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 97 transitions, 373 flow [2024-11-08 19:02:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:02:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:02:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 245 transitions. [2024-11-08 19:02:15,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5889423076923077 [2024-11-08 19:02:15,860 INFO L175 Difference]: Start difference. First operand has 104 places, 97 transitions, 283 flow. Second operand 4 states and 245 transitions. [2024-11-08 19:02:15,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 97 transitions, 373 flow [2024-11-08 19:02:15,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 357 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-08 19:02:15,864 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 291 flow [2024-11-08 19:02:15,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=291, PETRI_PLACES=101, PETRI_TRANSITIONS=97} [2024-11-08 19:02:15,866 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 16 predicate places. [2024-11-08 19:02:15,866 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 291 flow [2024-11-08 19:02:15,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:15,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:15,867 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:15,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:02:15,868 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:15,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash -486819469, now seen corresponding path program 2 times [2024-11-08 19:02:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916087128] [2024-11-08 19:02:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 19:02:16,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:16,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916087128] [2024-11-08 19:02:16,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916087128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:16,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:16,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:02:16,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643552644] [2024-11-08 19:02:16,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:16,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:02:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:16,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:02:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:02:16,161 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 104 [2024-11-08 19:02:16,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 291 flow. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:16,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:16,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 104 [2024-11-08 19:02:16,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:16,522 INFO L124 PetriNetUnfolderBase]: 138/480 cut-off events. [2024-11-08 19:02:16,522 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-08 19:02:16,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 480 events. 138/480 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2429 event pairs, 100 based on Foata normal form. 2/427 useless extension candidates. Maximal degree in co-relation 724. Up to 263 conditions per place. [2024-11-08 19:02:16,558 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 52 selfloop transitions, 3 changer transitions 0/105 dead transitions. [2024-11-08 19:02:16,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 105 transitions, 467 flow [2024-11-08 19:02:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:02:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:02:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 253 transitions. [2024-11-08 19:02:16,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6081730769230769 [2024-11-08 19:02:16,562 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 291 flow. Second operand 4 states and 253 transitions. [2024-11-08 19:02:16,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 105 transitions, 467 flow [2024-11-08 19:02:16,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 105 transitions, 443 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 19:02:16,566 INFO L231 Difference]: Finished difference. Result has 104 places, 98 transitions, 296 flow [2024-11-08 19:02:16,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=296, PETRI_PLACES=104, PETRI_TRANSITIONS=98} [2024-11-08 19:02:16,568 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 19 predicate places. [2024-11-08 19:02:16,568 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 98 transitions, 296 flow [2024-11-08 19:02:16,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:16,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:16,569 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:16,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:02:16,569 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:16,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1195520775, now seen corresponding path program 1 times [2024-11-08 19:02:16,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:16,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351091673] [2024-11-08 19:02:16,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 19:02:16,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:16,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351091673] [2024-11-08 19:02:16,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351091673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:02:16,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488011800] [2024-11-08 19:02:16,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:16,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:16,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:16,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:02:16,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:02:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:17,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:02:17,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:17,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:02:17,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:02:17,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488011800] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:02:17,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:02:17,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-11-08 19:02:17,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927756354] [2024-11-08 19:02:17,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:02:17,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 19:02:17,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:17,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 19:02:17,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:02:17,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 104 [2024-11-08 19:02:17,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 98 transitions, 296 flow. Second operand has 19 states, 19 states have (on average 47.36842105263158) internal successors, (900), 19 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:17,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:17,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 104 [2024-11-08 19:02:18,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:20,123 INFO L124 PetriNetUnfolderBase]: 143/599 cut-off events. [2024-11-08 19:02:20,123 INFO L125 PetriNetUnfolderBase]: For 351/351 co-relation queries the response was YES. [2024-11-08 19:02:20,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 599 events. 143/599 cut-off events. For 351/351 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2585 event pairs, 100 based on Foata normal form. 14/558 useless extension candidates. Maximal degree in co-relation 1084. Up to 254 conditions per place. [2024-11-08 19:02:20,127 INFO L140 encePairwiseOnDemand]: 93/104 looper letters, 105 selfloop transitions, 55 changer transitions 0/205 dead transitions. [2024-11-08 19:02:20,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 205 transitions, 1269 flow [2024-11-08 19:02:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-08 19:02:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2024-11-08 19:02:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 2154 transitions. [2024-11-08 19:02:20,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47071678321678323 [2024-11-08 19:02:20,134 INFO L175 Difference]: Start difference. First operand has 104 places, 98 transitions, 296 flow. Second operand 44 states and 2154 transitions. [2024-11-08 19:02:20,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 205 transitions, 1269 flow [2024-11-08 19:02:20,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 205 transitions, 1265 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:02:20,141 INFO L231 Difference]: Finished difference. Result has 162 places, 146 transitions, 870 flow [2024-11-08 19:02:20,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=870, PETRI_PLACES=162, PETRI_TRANSITIONS=146} [2024-11-08 19:02:20,142 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 77 predicate places. [2024-11-08 19:02:20,142 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 146 transitions, 870 flow [2024-11-08 19:02:20,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 47.36842105263158) internal successors, (900), 19 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:20,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:20,143 INFO L204 CegarLoopForPetriNet]: trace histogram [9, 9, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:20,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:02:20,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 19:02:20,348 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:20,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:20,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1049112596, now seen corresponding path program 1 times [2024-11-08 19:02:20,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:20,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231836483] [2024-11-08 19:02:20,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:20,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 67 proven. 133 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:02:21,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:21,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231836483] [2024-11-08 19:02:21,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231836483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:02:21,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272052417] [2024-11-08 19:02:21,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:21,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:21,625 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:02:21,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 19:02:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:22,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:02:22,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 67 proven. 133 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:02:22,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:02:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 67 proven. 133 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:02:22,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272052417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:02:22,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:02:22,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-08 19:02:22,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083314373] [2024-11-08 19:02:22,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:02:22,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 19:02:22,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:22,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 19:02:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 19:02:22,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 104 [2024-11-08 19:02:22,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 146 transitions, 870 flow. Second operand has 34 states, 34 states have (on average 51.1764705882353) internal successors, (1740), 34 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:22,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:22,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 104 [2024-11-08 19:02:22,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:25,446 INFO L124 PetriNetUnfolderBase]: 139/775 cut-off events. [2024-11-08 19:02:25,446 INFO L125 PetriNetUnfolderBase]: For 3979/3979 co-relation queries the response was YES. [2024-11-08 19:02:25,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2228 conditions, 775 events. 139/775 cut-off events. For 3979/3979 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2666 event pairs, 100 based on Foata normal form. 24/744 useless extension candidates. Maximal degree in co-relation 1793. Up to 258 conditions per place. [2024-11-08 19:02:25,454 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 128 selfloop transitions, 93 changer transitions 0/270 dead transitions. [2024-11-08 19:02:25,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 270 transitions, 2588 flow [2024-11-08 19:02:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-08 19:02:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-08 19:02:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 1651 transitions. [2024-11-08 19:02:25,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5120967741935484 [2024-11-08 19:02:25,462 INFO L175 Difference]: Start difference. First operand has 162 places, 146 transitions, 870 flow. Second operand 31 states and 1651 transitions. [2024-11-08 19:02:25,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 270 transitions, 2588 flow [2024-11-08 19:02:25,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 270 transitions, 2486 flow, removed 40 selfloop flow, removed 5 redundant places. [2024-11-08 19:02:25,505 INFO L231 Difference]: Finished difference. Result has 196 places, 197 transitions, 1606 flow [2024-11-08 19:02:25,505 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1606, PETRI_PLACES=196, PETRI_TRANSITIONS=197} [2024-11-08 19:02:25,507 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 111 predicate places. [2024-11-08 19:02:25,508 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 197 transitions, 1606 flow [2024-11-08 19:02:25,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 51.1764705882353) internal successors, (1740), 34 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:25,511 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:25,511 INFO L204 CegarLoopForPetriNet]: trace histogram [17, 17, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:25,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 19:02:25,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-08 19:02:25,713 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:25,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:25,713 INFO L85 PathProgramCache]: Analyzing trace with hash -344106564, now seen corresponding path program 2 times [2024-11-08 19:02:25,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:25,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609094928] [2024-11-08 19:02:25,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:25,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:02:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 139 proven. 645 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:02:29,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:02:29,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609094928] [2024-11-08 19:02:29,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609094928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:02:29,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566895183] [2024-11-08 19:02:29,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:02:29,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:29,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:29,182 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:02:29,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:02:30,166 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 19:02:30,167 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:02:30,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 19:02:30,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 139 proven. 645 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:02:30,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:02:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 139 proven. 645 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:02:31,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566895183] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:02:31,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:02:31,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-08 19:02:31,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684901093] [2024-11-08 19:02:31,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:02:31,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-08 19:02:31,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:02:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-08 19:02:31,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 19:02:31,891 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 104 [2024-11-08 19:02:31,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 197 transitions, 1606 flow. Second operand has 63 states, 63 states have (on average 51.12698412698413) internal successors, (3221), 63 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:31,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:02:31,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 104 [2024-11-08 19:02:31,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:02:38,147 INFO L124 PetriNetUnfolderBase]: 139/1105 cut-off events. [2024-11-08 19:02:38,147 INFO L125 PetriNetUnfolderBase]: For 14047/14047 co-relation queries the response was YES. [2024-11-08 19:02:38,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3980 conditions, 1105 events. 139/1105 cut-off events. For 14047/14047 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2819 event pairs, 100 based on Foata normal form. 45/1095 useless extension candidates. Maximal degree in co-relation 3291. Up to 258 conditions per place. [2024-11-08 19:02:38,160 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 233 selfloop transitions, 183 changer transitions 0/465 dead transitions. [2024-11-08 19:02:38,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 465 transitions, 5607 flow [2024-11-08 19:02:38,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-08 19:02:38,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2024-11-08 19:02:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 3218 transitions. [2024-11-08 19:02:38,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.507250945775536 [2024-11-08 19:02:38,173 INFO L175 Difference]: Start difference. First operand has 196 places, 197 transitions, 1606 flow. Second operand 61 states and 3218 transitions. [2024-11-08 19:02:38,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 465 transitions, 5607 flow [2024-11-08 19:02:38,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 465 transitions, 5535 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-08 19:02:38,257 INFO L231 Difference]: Finished difference. Result has 260 places, 290 transitions, 3262 flow [2024-11-08 19:02:38,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1534, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=3262, PETRI_PLACES=260, PETRI_TRANSITIONS=290} [2024-11-08 19:02:38,260 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 175 predicate places. [2024-11-08 19:02:38,262 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 290 transitions, 3262 flow [2024-11-08 19:02:38,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 51.12698412698413) internal successors, (3221), 63 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:02:38,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:02:38,265 INFO L204 CegarLoopForPetriNet]: trace histogram [32, 32, 31, 31, 31, 31, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:38,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 19:02:38,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:02:38,466 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:02:38,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:38,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1689323273, now seen corresponding path program 3 times [2024-11-08 19:02:38,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:02:38,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424939721] [2024-11-08 19:02:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:04:17,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990869633] [2024-11-08 19:04:17,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 19:04:17,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:04:17,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:04:17,018 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:04:17,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 19:04:18,255 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 19:04:18,256 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:04:18,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:04:18,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2917 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 2640 trivial. 0 not checked. [2024-11-08 19:04:18,765 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:04:18,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424939721] [2024-11-08 19:04:18,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:04:18,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990869633] [2024-11-08 19:04:18,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990869633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:18,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:18,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:04:18,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349056330] [2024-11-08 19:04:18,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:18,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:04:18,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:18,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:04:18,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:04:18,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 104 [2024-11-08 19:04:18,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 290 transitions, 3262 flow. Second operand has 9 states, 9 states have (on average 47.44444444444444) internal successors, (427), 9 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:04:18,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:18,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 104 [2024-11-08 19:04:18,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:20,216 INFO L124 PetriNetUnfolderBase]: 138/1044 cut-off events. [2024-11-08 19:04:20,216 INFO L125 PetriNetUnfolderBase]: For 8144/8144 co-relation queries the response was YES. [2024-11-08 19:04:20,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3871 conditions, 1044 events. 138/1044 cut-off events. For 8144/8144 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2589 event pairs, 100 based on Foata normal form. 61/1050 useless extension candidates. Maximal degree in co-relation 3166. Up to 245 conditions per place. [2024-11-08 19:04:20,230 INFO L140 encePairwiseOnDemand]: 93/104 looper letters, 102 selfloop transitions, 130 changer transitions 0/289 dead transitions. [2024-11-08 19:04:20,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 289 transitions, 3790 flow [2024-11-08 19:04:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:04:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 19:04:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 559 transitions. [2024-11-08 19:04:20,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48863636363636365 [2024-11-08 19:04:20,233 INFO L175 Difference]: Start difference. First operand has 260 places, 290 transitions, 3262 flow. Second operand 11 states and 559 transitions. [2024-11-08 19:04:20,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 289 transitions, 3790 flow [2024-11-08 19:04:20,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 289 transitions, 3592 flow, removed 15 selfloop flow, removed 28 redundant places. [2024-11-08 19:04:20,337 INFO L231 Difference]: Finished difference. Result has 241 places, 288 transitions, 3317 flow [2024-11-08 19:04:20,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3048, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3317, PETRI_PLACES=241, PETRI_TRANSITIONS=288} [2024-11-08 19:04:20,342 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 156 predicate places. [2024-11-08 19:04:20,342 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 288 transitions, 3317 flow [2024-11-08 19:04:20,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 47.44444444444444) internal successors, (427), 9 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:04:20,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:20,343 INFO L204 CegarLoopForPetriNet]: trace histogram [32, 32, 32, 31, 31, 31, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:20,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 19:04:20,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:04:20,544 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:04:20,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:20,544 INFO L85 PathProgramCache]: Analyzing trace with hash -829413011, now seen corresponding path program 1 times [2024-11-08 19:04:20,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:20,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145848993] [2024-11-08 19:04:20,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:20,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:06:30,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578149224] [2024-11-08 19:06:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:30,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:30,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:06:30,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 19:06:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:34,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 3208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:06:34,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:06:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2948 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 2641 trivial. 0 not checked. [2024-11-08 19:06:35,004 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:06:35,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:35,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145848993] [2024-11-08 19:06:35,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:06:35,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578149224] [2024-11-08 19:06:35,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578149224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:35,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:35,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:06:35,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276116407] [2024-11-08 19:06:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:35,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:06:35,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:35,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:06:35,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:06:35,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 104 [2024-11-08 19:06:35,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 288 transitions, 3317 flow. Second operand has 7 states, 7 states have (on average 48.714285714285715) internal successors, (341), 7 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:35,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:06:35,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 104 [2024-11-08 19:06:35,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:06:35,905 INFO L124 PetriNetUnfolderBase]: 138/986 cut-off events. [2024-11-08 19:06:35,906 INFO L125 PetriNetUnfolderBase]: For 8189/8189 co-relation queries the response was YES. [2024-11-08 19:06:35,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3639 conditions, 986 events. 138/986 cut-off events. For 8189/8189 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2477 event pairs, 100 based on Foata normal form. 58/989 useless extension candidates. Maximal degree in co-relation 2932. Up to 249 conditions per place. [2024-11-08 19:06:35,915 INFO L140 encePairwiseOnDemand]: 95/104 looper letters, 36 selfloop transitions, 201 changer transitions 0/282 dead transitions. [2024-11-08 19:06:35,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 282 transitions, 3745 flow [2024-11-08 19:06:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:06:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 19:06:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 415 transitions. [2024-11-08 19:06:35,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4987980769230769 [2024-11-08 19:06:35,917 INFO L175 Difference]: Start difference. First operand has 241 places, 288 transitions, 3317 flow. Second operand 8 states and 415 transitions. [2024-11-08 19:06:35,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 282 transitions, 3745 flow [2024-11-08 19:06:35,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 282 transitions, 3715 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-11-08 19:06:35,993 INFO L231 Difference]: Finished difference. Result has 238 places, 281 transitions, 3641 flow [2024-11-08 19:06:35,993 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3239, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3641, PETRI_PLACES=238, PETRI_TRANSITIONS=281} [2024-11-08 19:06:35,994 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 153 predicate places. [2024-11-08 19:06:35,994 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 281 transitions, 3641 flow [2024-11-08 19:06:35,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.714285714285715) internal successors, (341), 7 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:35,995 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:06:35,995 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-08 19:06:36,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 19:06:36,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:36,196 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:06:36,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:36,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1029768639, now seen corresponding path program 1 times [2024-11-08 19:06:36,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:36,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404919863] [2024-11-08 19:06:36,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10746 backedges. 5465 proven. 0 refuted. 0 times theorem prover too weak. 5281 trivial. 0 not checked. [2024-11-08 19:06:38,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:38,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404919863] [2024-11-08 19:06:38,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404919863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:38,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:38,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:38,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623618245] [2024-11-08 19:06:38,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:38,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:06:38,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:38,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:06:38,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:06:38,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 104 [2024-11-08 19:06:38,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 281 transitions, 3641 flow. Second operand has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:38,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:06:38,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 104 [2024-11-08 19:06:38,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:06:38,772 INFO L124 PetriNetUnfolderBase]: 138/984 cut-off events. [2024-11-08 19:06:38,772 INFO L125 PetriNetUnfolderBase]: For 8463/8463 co-relation queries the response was YES. [2024-11-08 19:06:38,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3712 conditions, 984 events. 138/984 cut-off events. For 8463/8463 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2474 event pairs, 100 based on Foata normal form. 2/931 useless extension candidates. Maximal degree in co-relation 3008. Up to 249 conditions per place. [2024-11-08 19:06:38,780 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 215 selfloop transitions, 7 changer transitions 0/280 dead transitions. [2024-11-08 19:06:38,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 280 transitions, 4081 flow [2024-11-08 19:06:38,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:06:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:06:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 248 transitions. [2024-11-08 19:06:38,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5961538461538461 [2024-11-08 19:06:38,781 INFO L175 Difference]: Start difference. First operand has 238 places, 281 transitions, 3641 flow. Second operand 4 states and 248 transitions. [2024-11-08 19:06:38,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 280 transitions, 4081 flow [2024-11-08 19:06:38,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 280 transitions, 3595 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-08 19:06:38,836 INFO L231 Difference]: Finished difference. Result has 232 places, 280 transitions, 3165 flow [2024-11-08 19:06:38,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3151, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3165, PETRI_PLACES=232, PETRI_TRANSITIONS=280} [2024-11-08 19:06:38,837 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 147 predicate places. [2024-11-08 19:06:38,837 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 280 transitions, 3165 flow [2024-11-08 19:06:38,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:38,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:06:38,838 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:38,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:06:38,838 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:06:38,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash -746805119, now seen corresponding path program 2 times [2024-11-08 19:06:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:38,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593735552] [2024-11-08 19:06:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10748 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10748 trivial. 0 not checked. [2024-11-08 19:06:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:41,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593735552] [2024-11-08 19:06:41,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593735552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:41,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:41,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:41,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364340013] [2024-11-08 19:06:41,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:41,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:06:41,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:06:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:06:41,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 104 [2024-11-08 19:06:41,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 280 transitions, 3165 flow. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:41,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:06:41,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 104 [2024-11-08 19:06:41,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:06:42,110 INFO L124 PetriNetUnfolderBase]: 207/1071 cut-off events. [2024-11-08 19:06:42,111 INFO L125 PetriNetUnfolderBase]: For 7097/7097 co-relation queries the response was YES. [2024-11-08 19:06:42,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3623 conditions, 1071 events. 207/1071 cut-off events. For 7097/7097 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2738 event pairs, 0 based on Foata normal form. 22/1029 useless extension candidates. Maximal degree in co-relation 2719. Up to 471 conditions per place. [2024-11-08 19:06:42,120 INFO L140 encePairwiseOnDemand]: 97/104 looper letters, 264 selfloop transitions, 3 changer transitions 0/323 dead transitions. [2024-11-08 19:06:42,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 323 transitions, 3785 flow [2024-11-08 19:06:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:06:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:06:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 296 transitions. [2024-11-08 19:06:42,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7115384615384616 [2024-11-08 19:06:42,122 INFO L175 Difference]: Start difference. First operand has 232 places, 280 transitions, 3165 flow. Second operand 4 states and 296 transitions. [2024-11-08 19:06:42,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 323 transitions, 3785 flow [2024-11-08 19:06:42,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 323 transitions, 3771 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:06:42,180 INFO L231 Difference]: Finished difference. Result has 231 places, 278 transitions, 3159 flow [2024-11-08 19:06:42,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3147, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3159, PETRI_PLACES=231, PETRI_TRANSITIONS=278} [2024-11-08 19:06:42,181 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 146 predicate places. [2024-11-08 19:06:42,181 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 278 transitions, 3159 flow [2024-11-08 19:06:42,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:42,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:06:42,181 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:42,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:06:42,182 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:06:42,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash -39340876, now seen corresponding path program 1 times [2024-11-08 19:06:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:42,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350424356] [2024-11-08 19:06:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10751 backedges. 0 proven. 5468 refuted. 0 times theorem prover too weak. 5283 trivial. 0 not checked. [2024-11-08 19:06:44,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350424356] [2024-11-08 19:06:44,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350424356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:06:44,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791729094] [2024-11-08 19:06:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:44,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:44,744 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:06:44,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 19:06:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:47,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 6002 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:06:47,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:06:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10751 backedges. 0 proven. 5468 refuted. 0 times theorem prover too weak. 5283 trivial. 0 not checked. [2024-11-08 19:06:48,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:06:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10751 backedges. 0 proven. 5468 refuted. 0 times theorem prover too weak. 5283 trivial. 0 not checked. [2024-11-08 19:06:48,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791729094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:06:48,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:06:48,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-08 19:06:48,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263261013] [2024-11-08 19:06:48,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:06:48,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:06:48,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:06:48,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:06:48,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 104 [2024-11-08 19:06:48,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 278 transitions, 3159 flow. Second operand has 14 states, 14 states have (on average 52.785714285714285) internal successors, (739), 14 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:48,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:06:48,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 104 [2024-11-08 19:06:48,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:06:50,285 INFO L124 PetriNetUnfolderBase]: 138/1349 cut-off events. [2024-11-08 19:06:50,285 INFO L125 PetriNetUnfolderBase]: For 12057/12057 co-relation queries the response was YES. [2024-11-08 19:06:50,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5283 conditions, 1349 events. 138/1349 cut-off events. For 12057/12057 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2169 event pairs, 100 based on Foata normal form. 3/1298 useless extension candidates. Maximal degree in co-relation 4557. Up to 244 conditions per place. [2024-11-08 19:06:50,293 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 342 selfloop transitions, 11 changer transitions 0/409 dead transitions. [2024-11-08 19:06:50,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 409 transitions, 5770 flow [2024-11-08 19:06:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:06:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 19:06:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 616 transitions. [2024-11-08 19:06:50,295 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2024-11-08 19:06:50,295 INFO L175 Difference]: Start difference. First operand has 231 places, 278 transitions, 3159 flow. Second operand 11 states and 616 transitions. [2024-11-08 19:06:50,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 409 transitions, 5770 flow [2024-11-08 19:06:50,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 409 transitions, 5764 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:06:50,348 INFO L231 Difference]: Finished difference. Result has 242 places, 284 transitions, 3229 flow [2024-11-08 19:06:50,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3153, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3229, PETRI_PLACES=242, PETRI_TRANSITIONS=284} [2024-11-08 19:06:50,349 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 157 predicate places. [2024-11-08 19:06:50,349 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 284 transitions, 3229 flow [2024-11-08 19:06:50,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 52.785714285714285) internal successors, (739), 14 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:06:50,349 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:06:50,350 INFO L204 CegarLoopForPetriNet]: trace histogram [150, 150, 150, 150, 150, 150, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:50,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 19:06:50,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 19:06:50,550 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:06:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1471190873, now seen corresponding path program 2 times [2024-11-08 19:06:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:50,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627484881] [2024-11-08 19:06:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 67868 backedges. 0 proven. 54665 refuted. 0 times theorem prover too weak. 13203 trivial. 0 not checked. [2024-11-08 19:06:58,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:58,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627484881] [2024-11-08 19:06:58,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627484881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:06:58,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604189755] [2024-11-08 19:06:58,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:06:58,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:58,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:58,016 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:06:58,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 19:07:04,512 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 19:07:04,512 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:07:04,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 14567 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:07:04,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:07:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 67868 backedges. 0 proven. 54665 refuted. 0 times theorem prover too weak. 13203 trivial. 0 not checked. [2024-11-08 19:07:06,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:07:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 67868 backedges. 0 proven. 54665 refuted. 0 times theorem prover too weak. 13203 trivial. 0 not checked. [2024-11-08 19:07:07,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604189755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:07:07,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:07:07,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2024-11-08 19:07:07,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059805183] [2024-11-08 19:07:07,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:07:07,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 19:07:07,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:07,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 19:07:07,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:07:07,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 104 [2024-11-08 19:07:07,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 284 transitions, 3229 flow. Second operand has 23 states, 23 states have (on average 53.0) internal successors, (1219), 23 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:07:07,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:07:07,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 104 [2024-11-08 19:07:07,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:07:10,832 INFO L124 PetriNetUnfolderBase]: 143/2284 cut-off events. [2024-11-08 19:07:10,832 INFO L125 PetriNetUnfolderBase]: For 24604/24604 co-relation queries the response was YES. [2024-11-08 19:07:10,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9907 conditions, 2284 events. 143/2284 cut-off events. For 24604/24604 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2195 event pairs, 100 based on Foata normal form. 5/2235 useless extension candidates. Maximal degree in co-relation 9200. Up to 392 conditions per place. [2024-11-08 19:07:10,849 INFO L140 encePairwiseOnDemand]: 99/104 looper letters, 652 selfloop transitions, 21 changer transitions 0/729 dead transitions. [2024-11-08 19:07:10,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 729 transitions, 11227 flow [2024-11-08 19:07:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 19:07:10,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-08 19:07:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1148 transitions. [2024-11-08 19:07:10,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5256410256410257 [2024-11-08 19:07:10,853 INFO L175 Difference]: Start difference. First operand has 242 places, 284 transitions, 3229 flow. Second operand 21 states and 1148 transitions. [2024-11-08 19:07:10,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 729 transitions, 11227 flow [2024-11-08 19:07:10,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 729 transitions, 11219 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-08 19:07:10,953 INFO L231 Difference]: Finished difference. Result has 266 places, 295 transitions, 3390 flow [2024-11-08 19:07:10,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3221, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3390, PETRI_PLACES=266, PETRI_TRANSITIONS=295} [2024-11-08 19:07:10,954 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, 181 predicate places. [2024-11-08 19:07:10,954 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 295 transitions, 3390 flow [2024-11-08 19:07:10,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 53.0) internal successors, (1219), 23 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:07:10,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:07:10,956 INFO L204 CegarLoopForPetriNet]: trace histogram [300, 300, 300, 300, 300, 300, 10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:11,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 19:07:11,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3a2ec6e-607d-4805-895e-8ae1395fe8c9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 19:07:11,157 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-08 19:07:11,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:11,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1375441348, now seen corresponding path program 3 times [2024-11-08 19:07:11,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:11,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032077209] [2024-11-08 19:07:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:11,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms