./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/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_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/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_e260e976-e471-4ee6-8c34-24aa845fcb3d/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 f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:53:32,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:53:32,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 16:53:32,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:53:32,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:53:32,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:53:32,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:53:32,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:53:32,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:53:32,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:53:32,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:53:32,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:53:32,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:53:32,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:53:32,506 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:53:32,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:53:32,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:53:32,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:53:32,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:53:32,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:53:32,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:53:32,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:53:32,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:53:32,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:53:32,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:53:32,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:53:32,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:53:32,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:53:32,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:53:32,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:53:32,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:53:32,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:53:32,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:53:32,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:53:32,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:53:32,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:53:32,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:53:32,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:53:32,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:53:32,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:53:32,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:53:32,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:53:32,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:53:32,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:53:32,527 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_e260e976-e471-4ee6-8c34-24aa845fcb3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-11-08 16:53:32,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:53:32,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:53:32,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:53:32,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:53:32,914 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:53:32,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i Unable to find full path for "g++" [2024-11-08 16:53:34,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:53:35,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:53:35,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-08 16:53:35,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/data/f88eccb75/a3d9b4069b7b4f9488d1b0c82de39e8f/FLAG65aef4ff2 [2024-11-08 16:53:35,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/data/f88eccb75/a3d9b4069b7b4f9488d1b0c82de39e8f [2024-11-08 16:53:35,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:53:35,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:53:35,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:53:35,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:53:35,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:53:35,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:53:35" (1/1) ... [2024-11-08 16:53:35,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b925db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:35, skipping insertion in model container [2024-11-08 16:53:35,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:53:35" (1/1) ... [2024-11-08 16:53:35,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:53:35,922 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:35,922 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:35,923 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:35,923 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:35,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:53:36,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:53:36,058 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:36,059 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:36,059 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:36,060 WARN L1698 CHandler]: Possible shadowing of function new [2024-11-08 16:53:36,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:53:36,146 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:53:36,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36 WrapperNode [2024-11-08 16:53:36,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:53:36,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:53:36,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:53:36,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:53:36,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,230 INFO L138 Inliner]: procedures = 280, calls = 143, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 408 [2024-11-08 16:53:36,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:53:36,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:53:36,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:53:36,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:53:36,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,287 INFO L175 MemorySlicer]: Split 105 memory accesses to 5 slices as follows [2, 2, 5, 94, 2]. 90 percent of accesses are in the largest equivalence class. The 77 initializations are split as follows [2, 0, 5, 70, 0]. The 15 writes are split as follows [0, 1, 0, 13, 1]. [2024-11-08 16:53:36,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:53:36,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:53:36,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:53:36,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:53:36,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (1/1) ... [2024-11-08 16:53:36,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:53:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:53:36,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:53:36,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:53:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:53:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:53:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:53:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 16:53:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 16:53:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 16:53:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-08 16:53:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-08 16:53:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:53:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 16:53:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 16:53:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 16:53:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 16:53:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 16:53:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 16:53:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:53:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:53:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:53:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:53:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:53:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-08 16:53:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-08 16:53:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:53:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:53:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 16:53:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:53:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:53:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:53:36,421 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 16:53:36,697 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:53:36,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:53:37,437 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:53:37,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:53:38,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:53:38,419 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-08 16:53:38,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:53:38 BoogieIcfgContainer [2024-11-08 16:53:38,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:53:38,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:53:38,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:53:38,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:53:38,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:53:35" (1/3) ... [2024-11-08 16:53:38,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ed69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:53:38, skipping insertion in model container [2024-11-08 16:53:38,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:53:36" (2/3) ... [2024-11-08 16:53:38,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ed69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:53:38, skipping insertion in model container [2024-11-08 16:53:38,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:53:38" (3/3) ... [2024-11-08 16:53:38,433 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-11-08 16:53:38,456 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:53:38,456 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-08 16:53:38,456 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:53:38,581 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-08 16:53:38,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 195 transitions, 410 flow [2024-11-08 16:53:38,792 INFO L124 PetriNetUnfolderBase]: 71/342 cut-off events. [2024-11-08 16:53:38,792 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-08 16:53:38,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 342 events. 71/342 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1604 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 187. Up to 8 conditions per place. [2024-11-08 16:53:38,804 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 195 transitions, 410 flow [2024-11-08 16:53:38,819 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 195 transitions, 410 flow [2024-11-08 16:53:38,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:53:38,839 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;@21f0c1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:53:38,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-11-08 16:53:38,848 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:53:38,848 INFO L124 PetriNetUnfolderBase]: 4/20 cut-off events. [2024-11-08 16:53:38,848 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:53:38,849 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:38,849 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 16:53:38,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:38,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:38,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1117540801, now seen corresponding path program 1 times [2024-11-08 16:53:38,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:38,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803422996] [2024-11-08 16:53:38,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:38,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:39,349 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 16:53:39,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803422996] [2024-11-08 16:53:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803422996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:39,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:39,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:39,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727660222] [2024-11-08 16:53:39,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:39,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:39,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:39,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:39,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:39,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 195 [2024-11-08 16:53:39,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 195 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 16:53:39,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:53:39,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 195 [2024-11-08 16:53:39,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:53:42,765 INFO L124 PetriNetUnfolderBase]: 8053/17806 cut-off events. [2024-11-08 16:53:42,766 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2024-11-08 16:53:42,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29599 conditions, 17806 events. 8053/17806 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169640 event pairs, 6700 based on Foata normal form. 2174/17996 useless extension candidates. Maximal degree in co-relation 28152. Up to 11654 conditions per place. [2024-11-08 16:53:42,951 INFO L140 encePairwiseOnDemand]: 169/195 looper letters, 73 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2024-11-08 16:53:42,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 177 transitions, 524 flow [2024-11-08 16:53:42,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:53:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2024-11-08 16:53:42,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2024-11-08 16:53:42,973 INFO L175 Difference]: Start difference. First operand has 158 places, 195 transitions, 410 flow. Second operand 3 states and 405 transitions. [2024-11-08 16:53:42,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 177 transitions, 524 flow [2024-11-08 16:53:42,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 177 transitions, 524 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:53:42,989 INFO L231 Difference]: Finished difference. Result has 161 places, 176 transitions, 388 flow [2024-11-08 16:53:42,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=161, PETRI_TRANSITIONS=176} [2024-11-08 16:53:42,996 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 3 predicate places. [2024-11-08 16:53:42,997 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 176 transitions, 388 flow [2024-11-08 16:53:42,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 16:53:42,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:42,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:42,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:53:43,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:43,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:43,001 INFO L85 PathProgramCache]: Analyzing trace with hash 492331871, now seen corresponding path program 1 times [2024-11-08 16:53:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174123361] [2024-11-08 16:53:43,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:43,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:43,138 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 16:53:43,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:43,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174123361] [2024-11-08 16:53:43,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174123361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:43,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:43,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:53:43,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860117305] [2024-11-08 16:53:43,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:43,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:53:43,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:43,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:53:43,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:53:43,164 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 195 [2024-11-08 16:53:43,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 176 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 16:53:43,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:53:43,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 195 [2024-11-08 16:53:43,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:53:46,160 INFO L124 PetriNetUnfolderBase]: 8055/17831 cut-off events. [2024-11-08 16:53:46,161 INFO L125 PetriNetUnfolderBase]: For 270/270 co-relation queries the response was YES. [2024-11-08 16:53:46,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29647 conditions, 17831 events. 8055/17831 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169647 event pairs, 6700 based on Foata normal form. 4/15850 useless extension candidates. Maximal degree in co-relation 29580. Up to 11656 conditions per place. [2024-11-08 16:53:46,411 INFO L140 encePairwiseOnDemand]: 189/195 looper letters, 78 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2024-11-08 16:53:46,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 182 transitions, 568 flow [2024-11-08 16:53:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:53:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:53:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2024-11-08 16:53:46,418 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6632478632478632 [2024-11-08 16:53:46,418 INFO L175 Difference]: Start difference. First operand has 161 places, 176 transitions, 388 flow. Second operand 3 states and 388 transitions. [2024-11-08 16:53:46,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 182 transitions, 568 flow [2024-11-08 16:53:46,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 182 transitions, 564 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:53:46,426 INFO L231 Difference]: Finished difference. Result has 163 places, 177 transitions, 404 flow [2024-11-08 16:53:46,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=163, PETRI_TRANSITIONS=177} [2024-11-08 16:53:46,430 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 5 predicate places. [2024-11-08 16:53:46,430 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 177 transitions, 404 flow [2024-11-08 16:53:46,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 16:53:46,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:46,431 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:46,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:53:46,432 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:46,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:46,433 INFO L85 PathProgramCache]: Analyzing trace with hash 216581449, now seen corresponding path program 1 times [2024-11-08 16:53:46,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:46,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33130451] [2024-11-08 16:53:46,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:46,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:46,672 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 16:53:46,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:46,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33130451] [2024-11-08 16:53:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33130451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:46,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:46,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:46,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637248] [2024-11-08 16:53:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:46,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:53:46,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:46,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:53:46,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:53:46,697 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195 [2024-11-08 16:53:46,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 177 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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 16:53:46,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:53:46,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195 [2024-11-08 16:53:46,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:53:49,229 INFO L124 PetriNetUnfolderBase]: 8055/17827 cut-off events. [2024-11-08 16:53:49,229 INFO L125 PetriNetUnfolderBase]: For 272/272 co-relation queries the response was YES. [2024-11-08 16:53:49,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29656 conditions, 17827 events. 8055/17827 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169675 event pairs, 6700 based on Foata normal form. 4/15850 useless extension candidates. Maximal degree in co-relation 29605. Up to 11665 conditions per place. [2024-11-08 16:53:49,383 INFO L140 encePairwiseOnDemand]: 190/195 looper letters, 75 selfloop transitions, 3 changer transitions 0/178 dead transitions. [2024-11-08 16:53:49,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 178 transitions, 562 flow [2024-11-08 16:53:49,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:53:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:53:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 479 transitions. [2024-11-08 16:53:49,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6141025641025641 [2024-11-08 16:53:49,389 INFO L175 Difference]: Start difference. First operand has 163 places, 177 transitions, 404 flow. Second operand 4 states and 479 transitions. [2024-11-08 16:53:49,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 178 transitions, 562 flow [2024-11-08 16:53:49,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 178 transitions, 560 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:53:49,400 INFO L231 Difference]: Finished difference. Result has 167 places, 178 transitions, 420 flow [2024-11-08 16:53:49,402 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=420, PETRI_PLACES=167, PETRI_TRANSITIONS=178} [2024-11-08 16:53:49,404 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 9 predicate places. [2024-11-08 16:53:49,404 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 178 transitions, 420 flow [2024-11-08 16:53:49,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 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 16:53:49,405 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:49,405 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:49,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:53:49,406 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:49,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:49,407 INFO L85 PathProgramCache]: Analyzing trace with hash 922318855, now seen corresponding path program 1 times [2024-11-08 16:53:49,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275995631] [2024-11-08 16:53:49,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:49,651 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 16:53:49,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:49,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275995631] [2024-11-08 16:53:49,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275995631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:53:49,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084376513] [2024-11-08 16:53:49,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:49,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:53:49,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:53:49,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:53:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:49,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:53:49,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:53:49,959 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 16:53:49,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:53:50,019 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 16:53:50,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084376513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:53:50,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:53:50,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 16:53:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739632509] [2024-11-08 16:53:50,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:53:50,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:53:50,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:50,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:53:50,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:53:50,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 195 [2024-11-08 16:53:50,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 178 transitions, 420 flow. Second operand has 10 states, 10 states have (on average 99.9) internal successors, (999), 10 states have internal predecessors, (999), 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 16:53:50,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:53:50,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 195 [2024-11-08 16:53:50,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:53:53,244 INFO L124 PetriNetUnfolderBase]: 8053/17843 cut-off events. [2024-11-08 16:53:53,244 INFO L125 PetriNetUnfolderBase]: For 302/302 co-relation queries the response was YES. [2024-11-08 16:53:53,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29717 conditions, 17843 events. 8053/17843 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169845 event pairs, 6700 based on Foata normal form. 10/15872 useless extension candidates. Maximal degree in co-relation 29604. Up to 11653 conditions per place. [2024-11-08 16:53:53,348 INFO L140 encePairwiseOnDemand]: 187/195 looper letters, 80 selfloop transitions, 9 changer transitions 0/187 dead transitions. [2024-11-08 16:53:53,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 187 transitions, 628 flow [2024-11-08 16:53:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:53:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 16:53:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 975 transitions. [2024-11-08 16:53:53,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-08 16:53:53,352 INFO L175 Difference]: Start difference. First operand has 167 places, 178 transitions, 420 flow. Second operand 9 states and 975 transitions. [2024-11-08 16:53:53,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 187 transitions, 628 flow [2024-11-08 16:53:53,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 187 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:53:53,357 INFO L231 Difference]: Finished difference. Result has 177 places, 181 transitions, 466 flow [2024-11-08 16:53:53,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=466, PETRI_PLACES=177, PETRI_TRANSITIONS=181} [2024-11-08 16:53:53,358 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 19 predicate places. [2024-11-08 16:53:53,358 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 181 transitions, 466 flow [2024-11-08 16:53:53,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 99.9) internal successors, (999), 10 states have internal predecessors, (999), 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 16:53:53,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:53,360 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:53,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:53:53,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:53,561 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:53,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:53,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1586852367, now seen corresponding path program 1 times [2024-11-08 16:53:53,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:53,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275305999] [2024-11-08 16:53:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:53,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:53,855 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 16:53:53,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:53,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275305999] [2024-11-08 16:53:53,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275305999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:53:53,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564980037] [2024-11-08 16:53:53,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:53,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:53,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:53:53,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:53:53,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:53:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:54,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 16:53:54,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:53:54,152 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 16:53:54,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:53:54,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564980037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:54,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:53:54,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-08 16:53:54,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985143280] [2024-11-08 16:53:54,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:54,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:53:54,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:54,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:53:54,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:53:54,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 195 [2024-11-08 16:53:54,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 181 transitions, 466 flow. Second operand has 5 states, 5 states have (on average 102.4) internal successors, (512), 5 states have internal predecessors, (512), 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 16:53:54,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:53:54,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 195 [2024-11-08 16:53:54,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:53:56,728 INFO L124 PetriNetUnfolderBase]: 8053/17839 cut-off events. [2024-11-08 16:53:56,728 INFO L125 PetriNetUnfolderBase]: For 326/326 co-relation queries the response was YES. [2024-11-08 16:53:56,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29730 conditions, 17839 events. 8053/17839 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169557 event pairs, 6700 based on Foata normal form. 4/15862 useless extension candidates. Maximal degree in co-relation 29620. Up to 11649 conditions per place. [2024-11-08 16:53:56,831 INFO L140 encePairwiseOnDemand]: 190/195 looper letters, 69 selfloop transitions, 8 changer transitions 0/179 dead transitions. [2024-11-08 16:53:56,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 179 transitions, 606 flow [2024-11-08 16:53:56,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:53:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:53:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 477 transitions. [2024-11-08 16:53:56,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6115384615384616 [2024-11-08 16:53:56,833 INFO L175 Difference]: Start difference. First operand has 177 places, 181 transitions, 466 flow. Second operand 4 states and 477 transitions. [2024-11-08 16:53:56,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 179 transitions, 606 flow [2024-11-08 16:53:56,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 179 transitions, 598 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-08 16:53:56,839 INFO L231 Difference]: Finished difference. Result has 175 places, 179 transitions, 460 flow [2024-11-08 16:53:56,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=460, PETRI_PLACES=175, PETRI_TRANSITIONS=179} [2024-11-08 16:53:56,841 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 17 predicate places. [2024-11-08 16:53:56,841 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 179 transitions, 460 flow [2024-11-08 16:53:56,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.4) internal successors, (512), 5 states have internal predecessors, (512), 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 16:53:56,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:56,842 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-08 16:53:56,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:53:57,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:53:57,043 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:57,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash -885302154, now seen corresponding path program 1 times [2024-11-08 16:53:57,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:57,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248889079] [2024-11-08 16:53:57,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:57,263 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 16:53:57,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:57,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248889079] [2024-11-08 16:53:57,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248889079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:57,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:57,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:53:57,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757747963] [2024-11-08 16:53:57,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:57,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:53:57,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:53:57,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:53:57,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195 [2024-11-08 16:53:57,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 179 transitions, 460 flow. Second operand has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 16:53:57,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:53:57,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195 [2024-11-08 16:53:57,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:53:59,449 INFO L124 PetriNetUnfolderBase]: 8053/17837 cut-off events. [2024-11-08 16:53:59,449 INFO L125 PetriNetUnfolderBase]: For 368/368 co-relation queries the response was YES. [2024-11-08 16:53:59,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29739 conditions, 17837 events. 8053/17837 cut-off events. For 368/368 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169740 event pairs, 6700 based on Foata normal form. 2/15858 useless extension candidates. Maximal degree in co-relation 29629. Up to 11657 conditions per place. [2024-11-08 16:53:59,748 INFO L140 encePairwiseOnDemand]: 190/195 looper letters, 70 selfloop transitions, 9 changer transitions 0/179 dead transitions. [2024-11-08 16:53:59,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 179 transitions, 616 flow [2024-11-08 16:53:59,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:53:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:53:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 474 transitions. [2024-11-08 16:53:59,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6076923076923076 [2024-11-08 16:53:59,750 INFO L175 Difference]: Start difference. First operand has 175 places, 179 transitions, 460 flow. Second operand 4 states and 474 transitions. [2024-11-08 16:53:59,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 179 transitions, 616 flow [2024-11-08 16:53:59,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 179 transitions, 596 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 16:53:59,759 INFO L231 Difference]: Finished difference. Result has 173 places, 179 transitions, 464 flow [2024-11-08 16:53:59,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=464, PETRI_PLACES=173, PETRI_TRANSITIONS=179} [2024-11-08 16:53:59,760 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 15 predicate places. [2024-11-08 16:53:59,761 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 179 transitions, 464 flow [2024-11-08 16:53:59,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 16:53:59,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:53:59,762 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-08 16:53:59,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:53:59,762 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:53:59,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:53:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1358839571, now seen corresponding path program 2 times [2024-11-08 16:53:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:53:59,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371719097] [2024-11-08 16:53:59,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:53:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:53:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:53:59,990 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 16:53:59,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:53:59,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371719097] [2024-11-08 16:53:59,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371719097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:53:59,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:53:59,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:53:59,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775017524] [2024-11-08 16:53:59,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:53:59,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:53:59,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:53:59,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:53:59,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:54:00,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195 [2024-11-08 16:54:00,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 179 transitions, 464 flow. Second operand has 4 states, 4 states have (on average 101.5) internal successors, (406), 4 states have internal predecessors, (406), 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 16:54:00,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:54:00,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195 [2024-11-08 16:54:00,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:54:02,097 INFO L124 PetriNetUnfolderBase]: 8053/17835 cut-off events. [2024-11-08 16:54:02,097 INFO L125 PetriNetUnfolderBase]: For 385/385 co-relation queries the response was YES. [2024-11-08 16:54:02,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29737 conditions, 17835 events. 8053/17835 cut-off events. For 385/385 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 169623 event pairs, 6700 based on Foata normal form. 2/15858 useless extension candidates. Maximal degree in co-relation 29608. Up to 11662 conditions per place. [2024-11-08 16:54:02,184 INFO L140 encePairwiseOnDemand]: 190/195 looper letters, 85 selfloop transitions, 3 changer transitions 0/187 dead transitions. [2024-11-08 16:54:02,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 187 transitions, 702 flow [2024-11-08 16:54:02,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:54:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 16:54:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 482 transitions. [2024-11-08 16:54:02,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.617948717948718 [2024-11-08 16:54:02,186 INFO L175 Difference]: Start difference. First operand has 173 places, 179 transitions, 464 flow. Second operand 4 states and 482 transitions. [2024-11-08 16:54:02,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 187 transitions, 702 flow [2024-11-08 16:54:02,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 187 transitions, 678 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 16:54:02,192 INFO L231 Difference]: Finished difference. Result has 176 places, 180 transitions, 468 flow [2024-11-08 16:54:02,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=468, PETRI_PLACES=176, PETRI_TRANSITIONS=180} [2024-11-08 16:54:02,193 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 18 predicate places. [2024-11-08 16:54:02,193 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 180 transitions, 468 flow [2024-11-08 16:54:02,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 101.5) internal successors, (406), 4 states have internal predecessors, (406), 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 16:54:02,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:54:02,194 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 16:54:02,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:54:02,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:54:02,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1107892357, now seen corresponding path program 1 times [2024-11-08 16:54:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:02,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080019795] [2024-11-08 16:54:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:02,609 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 16:54:02,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:02,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080019795] [2024-11-08 16:54:02,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080019795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:54:02,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612053439] [2024-11-08 16:54:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:02,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:02,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:02,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:54:02,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:54:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:02,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:54:02,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:54:03,101 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 16:54:03,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:54:03,267 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 16:54:03,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612053439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:54:03,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:54:03,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2024-11-08 16:54:03,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609894736] [2024-11-08 16:54:03,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:54:03,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 16:54:03,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:03,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 16:54:03,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:54:03,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 195 [2024-11-08 16:54:03,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 180 transitions, 468 flow. Second operand has 19 states, 19 states have (on average 96.36842105263158) internal successors, (1831), 19 states have internal predecessors, (1831), 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 16:54:03,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:54:03,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 195 [2024-11-08 16:54:03,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:54:08,114 INFO L124 PetriNetUnfolderBase]: 8058/17954 cut-off events. [2024-11-08 16:54:08,114 INFO L125 PetriNetUnfolderBase]: For 581/581 co-relation queries the response was YES. [2024-11-08 16:54:08,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30135 conditions, 17954 events. 8058/17954 cut-off events. For 581/581 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 170191 event pairs, 6700 based on Foata normal form. 14/15989 useless extension candidates. Maximal degree in co-relation 29965. Up to 11653 conditions per place. [2024-11-08 16:54:08,211 INFO L140 encePairwiseOnDemand]: 184/195 looper letters, 138 selfloop transitions, 55 changer transitions 0/287 dead transitions. [2024-11-08 16:54:08,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 287 transitions, 1500 flow [2024-11-08 16:54:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-08 16:54:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2024-11-08 16:54:08,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 4343 transitions. [2024-11-08 16:54:08,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5061771561771562 [2024-11-08 16:54:08,224 INFO L175 Difference]: Start difference. First operand has 176 places, 180 transitions, 468 flow. Second operand 44 states and 4343 transitions. [2024-11-08 16:54:08,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 287 transitions, 1500 flow [2024-11-08 16:54:08,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 287 transitions, 1496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:54:08,232 INFO L231 Difference]: Finished difference. Result has 234 places, 228 transitions, 1036 flow [2024-11-08 16:54:08,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=1036, PETRI_PLACES=234, PETRI_TRANSITIONS=228} [2024-11-08 16:54:08,233 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 76 predicate places. [2024-11-08 16:54:08,233 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 228 transitions, 1036 flow [2024-11-08 16:54:08,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 96.36842105263158) internal successors, (1831), 19 states have internal predecessors, (1831), 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 16:54:08,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:54:08,235 INFO L204 CegarLoopForPetriNet]: trace histogram [9, 9, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 16:54:08,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:54:08,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 16:54:08,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:54:08,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:08,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1940859133, now seen corresponding path program 1 times [2024-11-08 16:54:08,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:08,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809607957] [2024-11-08 16:54:08,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:08,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:09,741 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 16:54:09,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:09,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809607957] [2024-11-08 16:54:09,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809607957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:54:09,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914627442] [2024-11-08 16:54:09,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:09,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:09,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:09,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:54:09,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 16:54:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:10,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:54:10,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:54:10,495 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 16:54:10,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:54:10,857 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 16:54:10,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914627442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:54:10,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:54:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-08 16:54:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322423178] [2024-11-08 16:54:10,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:54:10,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 16:54:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 16:54:10,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:54:11,011 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 195 [2024-11-08 16:54:11,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 228 transitions, 1036 flow. Second operand has 34 states, 34 states have (on average 100.17647058823529) internal successors, (3406), 34 states have internal predecessors, (3406), 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 16:54:11,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:54:11,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 195 [2024-11-08 16:54:11,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:54:17,592 INFO L124 PetriNetUnfolderBase]: 8054/18130 cut-off events. [2024-11-08 16:54:17,592 INFO L125 PetriNetUnfolderBase]: For 3895/3895 co-relation queries the response was YES. [2024-11-08 16:54:17,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31109 conditions, 18130 events. 8054/18130 cut-off events. For 3895/3895 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 170714 event pairs, 6700 based on Foata normal form. 24/16175 useless extension candidates. Maximal degree in co-relation 30674. Up to 11657 conditions per place. [2024-11-08 16:54:17,758 INFO L140 encePairwiseOnDemand]: 190/195 looper letters, 161 selfloop transitions, 93 changer transitions 0/352 dead transitions. [2024-11-08 16:54:17,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 352 transitions, 2820 flow [2024-11-08 16:54:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-08 16:54:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-08 16:54:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3203 transitions. [2024-11-08 16:54:17,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5298593879239041 [2024-11-08 16:54:17,772 INFO L175 Difference]: Start difference. First operand has 234 places, 228 transitions, 1036 flow. Second operand 31 states and 3203 transitions. [2024-11-08 16:54:17,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 352 transitions, 2820 flow [2024-11-08 16:54:17,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 352 transitions, 2592 flow, removed 100 selfloop flow, removed 6 redundant places. [2024-11-08 16:54:17,802 INFO L231 Difference]: Finished difference. Result has 267 places, 279 transitions, 1646 flow [2024-11-08 16:54:17,802 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1646, PETRI_PLACES=267, PETRI_TRANSITIONS=279} [2024-11-08 16:54:17,803 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 109 predicate places. [2024-11-08 16:54:17,803 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 279 transitions, 1646 flow [2024-11-08 16:54:17,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 100.17647058823529) internal successors, (3406), 34 states have internal predecessors, (3406), 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 16:54:17,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:54:17,805 INFO L204 CegarLoopForPetriNet]: trace histogram [17, 17, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 16:54:17,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 16:54:18,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:18,011 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:54:18,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:18,012 INFO L85 PathProgramCache]: Analyzing trace with hash 864418093, now seen corresponding path program 2 times [2024-11-08 16:54:18,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:18,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784697457] [2024-11-08 16:54:18,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:18,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:54:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:54:20,989 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 16:54:20,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:54:20,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784697457] [2024-11-08 16:54:20,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784697457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:54:20,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896758968] [2024-11-08 16:54:20,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 16:54:20,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:54:20,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:54:20,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:54:20,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 16:54:21,907 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 16:54:21,907 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 16:54:21,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 1795 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 16:54:21,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:54:22,129 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 16:54:22,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:54:23,212 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 16:54:23,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896758968] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:54:23,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:54:23,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-08 16:54:23,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880376303] [2024-11-08 16:54:23,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:54:23,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-08 16:54:23,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:54:23,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-08 16:54:23,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 16:54:23,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 195 [2024-11-08 16:54:23,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 279 transitions, 1646 flow. Second operand has 63 states, 63 states have (on average 100.12698412698413) internal successors, (6308), 63 states have internal predecessors, (6308), 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 16:54:23,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:54:23,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 195 [2024-11-08 16:54:23,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:54:35,175 INFO L124 PetriNetUnfolderBase]: 8054/18460 cut-off events. [2024-11-08 16:54:35,175 INFO L125 PetriNetUnfolderBase]: For 13137/13137 co-relation queries the response was YES. [2024-11-08 16:54:35,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32737 conditions, 18460 events. 8054/18460 cut-off events. For 13137/13137 co-relation queries the response was YES. Maximal size of possible extension queue 560. Compared 170902 event pairs, 6700 based on Foata normal form. 45/16526 useless extension candidates. Maximal degree in co-relation 31891. Up to 11657 conditions per place. [2024-11-08 16:54:35,311 INFO L140 encePairwiseOnDemand]: 190/195 looper letters, 266 selfloop transitions, 183 changer transitions 0/547 dead transitions. [2024-11-08 16:54:35,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 547 transitions, 5593 flow [2024-11-08 16:54:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-08 16:54:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2024-11-08 16:54:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 6240 transitions. [2024-11-08 16:54:35,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5245901639344263 [2024-11-08 16:54:35,321 INFO L175 Difference]: Start difference. First operand has 267 places, 279 transitions, 1646 flow. Second operand 61 states and 6240 transitions. [2024-11-08 16:54:35,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 547 transitions, 5593 flow [2024-11-08 16:54:35,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 547 transitions, 5489 flow, removed 16 selfloop flow, removed 12 redundant places. [2024-11-08 16:54:35,387 INFO L231 Difference]: Finished difference. Result has 331 places, 372 transitions, 3150 flow [2024-11-08 16:54:35,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=3150, PETRI_PLACES=331, PETRI_TRANSITIONS=372} [2024-11-08 16:54:35,388 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 173 predicate places. [2024-11-08 16:54:35,388 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 372 transitions, 3150 flow [2024-11-08 16:54:35,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 100.12698412698413) internal successors, (6308), 63 states have internal predecessors, (6308), 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 16:54:35,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:54:35,391 INFO L204 CegarLoopForPetriNet]: trace histogram [32, 32, 31, 31, 31, 31, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 16:54:35,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 16:54:35,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e260e976-e471-4ee6-8c34-24aa845fcb3d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 16:54:35,592 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2024-11-08 16:54:35,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:54:35,593 INFO L85 PathProgramCache]: Analyzing trace with hash -547577017, now seen corresponding path program 3 times [2024-11-08 16:54:35,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:54:35,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928323451] [2024-11-08 16:54:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:54:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms