./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya --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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:54:53,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:54:53,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 05:54:53,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:54:53,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:54:53,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:54:53,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:54:53,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:54:53,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:54:53,903 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:54:53,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:54:53,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:54:53,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:54:53,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:54:53,906 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:54:53,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:54:53,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:54:53,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:54:53,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:54:53,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:54:53,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:54:53,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:54:53,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:54:53,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:54:53,917 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:54:53,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:54:53,917 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:54:53,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:54:53,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:54:53,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:54:53,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:54:53,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:54:53,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:54:53,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:54:53,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:54:53,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:54:53,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:54:53,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:54:53,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:54:53,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:54:53,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:54:53,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:54:53,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:54:53,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:54:53,923 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_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2023-11-29 05:54:54,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:54:54,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:54:54,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:54:54,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:54:54,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:54:54,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-29 05:54:56,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:54:57,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:54:57,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-11-29 05:54:57,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/data/ace01e9d3/9b2c0c3a86a647968ae3a90afb5b7417/FLAG2cc4aaaf9 [2023-11-29 05:54:57,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/data/ace01e9d3/9b2c0c3a86a647968ae3a90afb5b7417 [2023-11-29 05:54:57,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:54:57,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:54:57,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:54:57,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:54:57,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:54:57,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a34b704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57, skipping insertion in model container [2023-11-29 05:54:57,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:54:57,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:54:57,789 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:54:57,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:54:57,882 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:54:57,882 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:54:57,888 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:54:57,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57 WrapperNode [2023-11-29 05:54:57,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:54:57,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:54:57,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:54:57,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:54:57,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,946 INFO L138 Inliner]: procedures = 248, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 162 [2023-11-29 05:54:57,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:54:57,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:54:57,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:54:57,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:54:57,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,994 INFO L175 MemorySlicer]: Split 25 memory accesses to 5 slices as follows [2, 3, 2, 3, 15]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 1, 0, 1, 0]. The 12 writes are split as follows [0, 1, 2, 1, 8]. [2023-11-29 05:54:57,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:57,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:58,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:58,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:58,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:58,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:58,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:54:58,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:54:58,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:54:58,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:54:58,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (1/1) ... [2023-11-29 05:54:58,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:54:58,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:54:58,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:54:58,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6be1cfe7-4070-4346-af04-4653ab493210/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:54:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-29 05:54:58,105 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-29 05:54:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 05:54:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:54:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:54:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 05:54:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 05:54:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:54:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:54:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:54:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:54:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:54:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:54:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:54:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:54:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:54:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:54:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 05:54:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:54:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:54:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:54:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:54:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:54:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:54:58,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:54:58,111 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 05:54:58,373 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:54:58,375 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:54:58,621 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:54:58,803 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:54:58,804 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:54:58,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:58 BoogieIcfgContainer [2023-11-29 05:54:58,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:54:58,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:54:58,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:54:58,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:54:58,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:54:57" (1/3) ... [2023-11-29 05:54:58,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e2a7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:54:58, skipping insertion in model container [2023-11-29 05:54:58,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:54:57" (2/3) ... [2023-11-29 05:54:58,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e2a7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:54:58, skipping insertion in model container [2023-11-29 05:54:58,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:54:58" (3/3) ... [2023-11-29 05:54:58,812 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-11-29 05:54:58,821 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:54:58,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:54:58,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 05:54:58,832 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 05:54:58,888 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 05:54:58,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 104 flow [2023-11-29 05:54:58,951 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2023-11-29 05:54:58,952 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 05:54:58,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 48 events. 2/48 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2023-11-29 05:54:58,954 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 104 flow [2023-11-29 05:54:58,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 39 transitions, 87 flow [2023-11-29 05:54:58,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:54:58,975 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@3488379c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:54:58,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 05:54:58,982 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 05:54:58,983 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-29 05:54:58,983 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:54:58,983 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:54:58,983 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:54:58,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:54:58,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:54:58,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1950895140, now seen corresponding path program 1 times [2023-11-29 05:54:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:54:58,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980986458] [2023-11-29 05:54:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:54:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:54:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:54:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:54:59,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:54:59,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980986458] [2023-11-29 05:54:59,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980986458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:54:59,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:54:59,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:54:59,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465763230] [2023-11-29 05:54:59,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:54:59,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:54:59,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:54:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:54:59,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:54:59,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:54:59,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 87 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:54:59,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:54:59,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:54:59,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:00,829 INFO L124 PetriNetUnfolderBase]: 2305/3818 cut-off events. [2023-11-29 05:55:00,829 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-29 05:55:00,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7588 conditions, 3818 events. 2305/3818 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 21618 event pairs, 1459 based on Foata normal form. 0/3313 useless extension candidates. Maximal degree in co-relation 7496. Up to 2586 conditions per place. [2023-11-29 05:55:00,861 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 74 selfloop transitions, 14 changer transitions 3/95 dead transitions. [2023-11-29 05:55:00,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 95 transitions, 396 flow [2023-11-29 05:55:00,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:55:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-29 05:55:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2023-11-29 05:55:00,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41944444444444445 [2023-11-29 05:55:00,875 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 151 transitions. [2023-11-29 05:55:00,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 151 transitions. [2023-11-29 05:55:00,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:00,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 151 transitions. [2023-11-29 05:55:00,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:00,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 45.0) internal successors, (405), 9 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:00,887 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 45.0) internal successors, (405), 9 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:00,889 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 8 states and 151 transitions. [2023-11-29 05:55:00,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 95 transitions, 396 flow [2023-11-29 05:55:00,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 95 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 05:55:00,900 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 181 flow [2023-11-29 05:55:00,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=181, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2023-11-29 05:55:00,906 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2023-11-29 05:55:00,906 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 181 flow [2023-11-29 05:55:00,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:00,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:00,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:00,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:55:00,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:00,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:00,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1038135481, now seen corresponding path program 1 times [2023-11-29 05:55:00,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:00,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123558023] [2023-11-29 05:55:00,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:00,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:01,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:01,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123558023] [2023-11-29 05:55:01,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123558023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:01,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:01,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:55:01,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967308454] [2023-11-29 05:55:01,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:01,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:55:01,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:01,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:55:01,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:55:01,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:01,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 181 flow. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:01,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:01,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:01,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:02,377 INFO L124 PetriNetUnfolderBase]: 2865/4764 cut-off events. [2023-11-29 05:55:02,378 INFO L125 PetriNetUnfolderBase]: For 1135/1137 co-relation queries the response was YES. [2023-11-29 05:55:02,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10958 conditions, 4764 events. 2865/4764 cut-off events. For 1135/1137 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 28495 event pairs, 1875 based on Foata normal form. 2/4348 useless extension candidates. Maximal degree in co-relation 10013. Up to 3562 conditions per place. [2023-11-29 05:55:02,405 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 76 selfloop transitions, 18 changer transitions 5/103 dead transitions. [2023-11-29 05:55:02,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 103 transitions, 534 flow [2023-11-29 05:55:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:55:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-29 05:55:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 148 transitions. [2023-11-29 05:55:02,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4111111111111111 [2023-11-29 05:55:02,407 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 148 transitions. [2023-11-29 05:55:02,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 148 transitions. [2023-11-29 05:55:02,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:02,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 148 transitions. [2023-11-29 05:55:02,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:02,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 45.0) internal successors, (405), 9 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:02,412 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 45.0) internal successors, (405), 9 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:02,412 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 181 flow. Second operand 8 states and 148 transitions. [2023-11-29 05:55:02,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 103 transitions, 534 flow [2023-11-29 05:55:02,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 103 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:55:02,427 INFO L231 Difference]: Finished difference. Result has 66 places, 65 transitions, 307 flow [2023-11-29 05:55:02,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=307, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2023-11-29 05:55:02,428 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2023-11-29 05:55:02,428 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 307 flow [2023-11-29 05:55:02,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:02,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:02,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:02,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:55:02,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:02,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:02,430 INFO L85 PathProgramCache]: Analyzing trace with hash -788292708, now seen corresponding path program 1 times [2023-11-29 05:55:02,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:02,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151492759] [2023-11-29 05:55:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:02,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:02,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:02,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151492759] [2023-11-29 05:55:02,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151492759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:02,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:02,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:55:02,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368987953] [2023-11-29 05:55:02,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:02,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:55:02,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:02,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:55:02,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:55:02,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:02,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 307 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:02,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:02,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:02,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:03,984 INFO L124 PetriNetUnfolderBase]: 3338/5581 cut-off events. [2023-11-29 05:55:03,984 INFO L125 PetriNetUnfolderBase]: For 3282/3290 co-relation queries the response was YES. [2023-11-29 05:55:04,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14456 conditions, 5581 events. 3338/5581 cut-off events. For 3282/3290 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 34725 event pairs, 2168 based on Foata normal form. 85/5354 useless extension candidates. Maximal degree in co-relation 14322. Up to 3435 conditions per place. [2023-11-29 05:55:04,047 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 89 selfloop transitions, 19 changer transitions 3/115 dead transitions. [2023-11-29 05:55:04,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 115 transitions, 691 flow [2023-11-29 05:55:04,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:55:04,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 05:55:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2023-11-29 05:55:04,049 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2023-11-29 05:55:04,049 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 140 transitions. [2023-11-29 05:55:04,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 140 transitions. [2023-11-29 05:55:04,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:04,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 140 transitions. [2023-11-29 05:55:04,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:04,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:04,052 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:04,053 INFO L175 Difference]: Start difference. First operand has 66 places, 65 transitions, 307 flow. Second operand 7 states and 140 transitions. [2023-11-29 05:55:04,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 115 transitions, 691 flow [2023-11-29 05:55:04,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 115 transitions, 673 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-11-29 05:55:04,070 INFO L231 Difference]: Finished difference. Result has 75 places, 77 transitions, 419 flow [2023-11-29 05:55:04,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=419, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2023-11-29 05:55:04,071 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2023-11-29 05:55:04,071 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 419 flow [2023-11-29 05:55:04,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:04,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:04,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:04,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:55:04,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:04,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash 821990076, now seen corresponding path program 1 times [2023-11-29 05:55:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:04,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256016335] [2023-11-29 05:55:04,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:04,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:04,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:04,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256016335] [2023-11-29 05:55:04,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256016335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:04,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:04,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:55:04,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382267] [2023-11-29 05:55:04,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:04,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:55:04,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:04,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:55:04,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:55:04,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:04,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 419 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:04,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:04,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:04,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:05,498 INFO L124 PetriNetUnfolderBase]: 3799/6396 cut-off events. [2023-11-29 05:55:05,498 INFO L125 PetriNetUnfolderBase]: For 6294/6298 co-relation queries the response was YES. [2023-11-29 05:55:05,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18160 conditions, 6396 events. 3799/6396 cut-off events. For 6294/6298 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 41292 event pairs, 2515 based on Foata normal form. 84/6146 useless extension candidates. Maximal degree in co-relation 16746. Up to 4274 conditions per place. [2023-11-29 05:55:05,543 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 95 selfloop transitions, 22 changer transitions 5/126 dead transitions. [2023-11-29 05:55:05,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 126 transitions, 878 flow [2023-11-29 05:55:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:55:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 05:55:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2023-11-29 05:55:05,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44126984126984126 [2023-11-29 05:55:05,545 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 139 transitions. [2023-11-29 05:55:05,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 139 transitions. [2023-11-29 05:55:05,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:05,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 139 transitions. [2023-11-29 05:55:05,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:05,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:05,548 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 45.0) internal successors, (360), 8 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:05,549 INFO L175 Difference]: Start difference. First operand has 75 places, 77 transitions, 419 flow. Second operand 7 states and 139 transitions. [2023-11-29 05:55:05,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 126 transitions, 878 flow [2023-11-29 05:55:05,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 126 transitions, 852 flow, removed 12 selfloop flow, removed 1 redundant places. [2023-11-29 05:55:05,599 INFO L231 Difference]: Finished difference. Result has 84 places, 89 transitions, 571 flow [2023-11-29 05:55:05,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=571, PETRI_PLACES=84, PETRI_TRANSITIONS=89} [2023-11-29 05:55:05,601 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2023-11-29 05:55:05,601 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 89 transitions, 571 flow [2023-11-29 05:55:05,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:05,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:05,602 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:05,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:55:05,602 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:05,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1316999739, now seen corresponding path program 1 times [2023-11-29 05:55:05,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:05,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598874647] [2023-11-29 05:55:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:05,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:06,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:06,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598874647] [2023-11-29 05:55:06,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598874647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:06,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:06,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:55:06,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780314800] [2023-11-29 05:55:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:06,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:55:06,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:06,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:55:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:55:06,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:06,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 89 transitions, 571 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:06,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:06,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:06,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:07,852 INFO L124 PetriNetUnfolderBase]: 6918/12313 cut-off events. [2023-11-29 05:55:07,852 INFO L125 PetriNetUnfolderBase]: For 13690/13701 co-relation queries the response was YES. [2023-11-29 05:55:07,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33815 conditions, 12313 events. 6918/12313 cut-off events. For 13690/13701 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 95696 event pairs, 739 based on Foata normal form. 198/11958 useless extension candidates. Maximal degree in co-relation 33655. Up to 3356 conditions per place. [2023-11-29 05:55:07,908 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 193 selfloop transitions, 38 changer transitions 12/247 dead transitions. [2023-11-29 05:55:07,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 247 transitions, 1841 flow [2023-11-29 05:55:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:55:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:55:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 259 transitions. [2023-11-29 05:55:07,910 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5232323232323233 [2023-11-29 05:55:07,910 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 259 transitions. [2023-11-29 05:55:07,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 259 transitions. [2023-11-29 05:55:07,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:07,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 259 transitions. [2023-11-29 05:55:07,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.545454545454547) internal successors, (259), 11 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:07,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:07,913 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:07,913 INFO L175 Difference]: Start difference. First operand has 84 places, 89 transitions, 571 flow. Second operand 11 states and 259 transitions. [2023-11-29 05:55:07,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 247 transitions, 1841 flow [2023-11-29 05:55:07,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 247 transitions, 1789 flow, removed 24 selfloop flow, removed 1 redundant places. [2023-11-29 05:55:07,966 INFO L231 Difference]: Finished difference. Result has 101 places, 117 transitions, 884 flow [2023-11-29 05:55:07,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=884, PETRI_PLACES=101, PETRI_TRANSITIONS=117} [2023-11-29 05:55:07,967 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 55 predicate places. [2023-11-29 05:55:07,967 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 117 transitions, 884 flow [2023-11-29 05:55:07,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:07,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:07,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:07,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:55:07,968 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:07,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash 41519867, now seen corresponding path program 2 times [2023-11-29 05:55:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:07,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323406196] [2023-11-29 05:55:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:08,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:08,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323406196] [2023-11-29 05:55:08,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323406196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:08,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:08,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:55:08,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689948252] [2023-11-29 05:55:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:08,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:55:08,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:08,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:55:08,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:55:08,277 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:08,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 117 transitions, 884 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:08,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:08,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:08,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:11,377 INFO L124 PetriNetUnfolderBase]: 9440/16818 cut-off events. [2023-11-29 05:55:11,377 INFO L125 PetriNetUnfolderBase]: For 51560/51601 co-relation queries the response was YES. [2023-11-29 05:55:11,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60428 conditions, 16818 events. 9440/16818 cut-off events. For 51560/51601 co-relation queries the response was YES. Maximal size of possible extension queue 850. Compared 138459 event pairs, 1325 based on Foata normal form. 305/16481 useless extension candidates. Maximal degree in co-relation 51488. Up to 4325 conditions per place. [2023-11-29 05:55:11,482 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 234 selfloop transitions, 122 changer transitions 24/384 dead transitions. [2023-11-29 05:55:11,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 384 transitions, 3423 flow [2023-11-29 05:55:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 05:55:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-29 05:55:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 401 transitions. [2023-11-29 05:55:11,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49506172839506174 [2023-11-29 05:55:11,485 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 401 transitions. [2023-11-29 05:55:11,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 401 transitions. [2023-11-29 05:55:11,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:11,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 401 transitions. [2023-11-29 05:55:11,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.27777777777778) internal successors, (401), 18 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:11,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 45.0) internal successors, (855), 19 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:11,488 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 45.0) internal successors, (855), 19 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:11,488 INFO L175 Difference]: Start difference. First operand has 101 places, 117 transitions, 884 flow. Second operand 18 states and 401 transitions. [2023-11-29 05:55:11,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 384 transitions, 3423 flow [2023-11-29 05:55:11,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 384 transitions, 3322 flow, removed 34 selfloop flow, removed 2 redundant places. [2023-11-29 05:55:11,900 INFO L231 Difference]: Finished difference. Result has 131 places, 219 transitions, 2233 flow [2023-11-29 05:55:11,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2233, PETRI_PLACES=131, PETRI_TRANSITIONS=219} [2023-11-29 05:55:11,901 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 85 predicate places. [2023-11-29 05:55:11,901 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 219 transitions, 2233 flow [2023-11-29 05:55:11,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:11,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:11,902 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:11,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:55:11,902 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:11,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash -294606308, now seen corresponding path program 1 times [2023-11-29 05:55:11,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:11,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161007808] [2023-11-29 05:55:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:12,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:12,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161007808] [2023-11-29 05:55:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161007808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:12,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:12,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:55:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623946660] [2023-11-29 05:55:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:12,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:55:12,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:55:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:55:12,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:12,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 219 transitions, 2233 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:12,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:12,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:12,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:15,975 INFO L124 PetriNetUnfolderBase]: 11280/20492 cut-off events. [2023-11-29 05:55:15,975 INFO L125 PetriNetUnfolderBase]: For 116015/116056 co-relation queries the response was YES. [2023-11-29 05:55:16,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87251 conditions, 20492 events. 11280/20492 cut-off events. For 116015/116056 co-relation queries the response was YES. Maximal size of possible extension queue 1072. Compared 177419 event pairs, 1200 based on Foata normal form. 468/20283 useless extension candidates. Maximal degree in co-relation 81349. Up to 6650 conditions per place. [2023-11-29 05:55:16,131 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 330 selfloop transitions, 152 changer transitions 68/554 dead transitions. [2023-11-29 05:55:16,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 554 transitions, 6628 flow [2023-11-29 05:55:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:55:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:55:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 262 transitions. [2023-11-29 05:55:16,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5292929292929293 [2023-11-29 05:55:16,133 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 262 transitions. [2023-11-29 05:55:16,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 262 transitions. [2023-11-29 05:55:16,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:16,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 262 transitions. [2023-11-29 05:55:16,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.818181818181817) internal successors, (262), 11 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:16,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:16,137 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:16,137 INFO L175 Difference]: Start difference. First operand has 131 places, 219 transitions, 2233 flow. Second operand 11 states and 262 transitions. [2023-11-29 05:55:16,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 554 transitions, 6628 flow [2023-11-29 05:55:18,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 554 transitions, 6308 flow, removed 159 selfloop flow, removed 1 redundant places. [2023-11-29 05:55:18,605 INFO L231 Difference]: Finished difference. Result has 148 places, 325 transitions, 3783 flow [2023-11-29 05:55:18,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=2057, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3783, PETRI_PLACES=148, PETRI_TRANSITIONS=325} [2023-11-29 05:55:18,606 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 102 predicate places. [2023-11-29 05:55:18,606 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 325 transitions, 3783 flow [2023-11-29 05:55:18,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:18,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:18,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:18,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:55:18,607 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:18,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:18,607 INFO L85 PathProgramCache]: Analyzing trace with hash -254314692, now seen corresponding path program 2 times [2023-11-29 05:55:18,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:18,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495221844] [2023-11-29 05:55:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:18,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:18,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:18,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495221844] [2023-11-29 05:55:18,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495221844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:18,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:18,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:55:18,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254960284] [2023-11-29 05:55:18,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:18,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:55:18,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:55:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:55:18,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:18,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 325 transitions, 3783 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:18,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:18,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:18,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:24,432 INFO L124 PetriNetUnfolderBase]: 13475/24708 cut-off events. [2023-11-29 05:55:24,432 INFO L125 PetriNetUnfolderBase]: For 221079/221172 co-relation queries the response was YES. [2023-11-29 05:55:24,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123596 conditions, 24708 events. 13475/24708 cut-off events. For 221079/221172 co-relation queries the response was YES. Maximal size of possible extension queue 1351. Compared 222768 event pairs, 1757 based on Foata normal form. 462/24448 useless extension candidates. Maximal degree in co-relation 114969. Up to 7505 conditions per place. [2023-11-29 05:55:24,773 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 283 selfloop transitions, 343 changer transitions 70/700 dead transitions. [2023-11-29 05:55:24,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 700 transitions, 9514 flow [2023-11-29 05:55:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 05:55:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-29 05:55:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 416 transitions. [2023-11-29 05:55:24,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5135802469135803 [2023-11-29 05:55:24,787 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 416 transitions. [2023-11-29 05:55:24,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 416 transitions. [2023-11-29 05:55:24,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:24,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 416 transitions. [2023-11-29 05:55:24,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 23.11111111111111) internal successors, (416), 18 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:24,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 45.0) internal successors, (855), 19 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:24,791 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 45.0) internal successors, (855), 19 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:24,792 INFO L175 Difference]: Start difference. First operand has 148 places, 325 transitions, 3783 flow. Second operand 18 states and 416 transitions. [2023-11-29 05:55:24,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 700 transitions, 9514 flow [2023-11-29 05:55:28,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 700 transitions, 9283 flow, removed 114 selfloop flow, removed 1 redundant places. [2023-11-29 05:55:28,049 INFO L231 Difference]: Finished difference. Result has 178 places, 483 transitions, 6858 flow [2023-11-29 05:55:28,050 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=3674, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6858, PETRI_PLACES=178, PETRI_TRANSITIONS=483} [2023-11-29 05:55:28,050 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 132 predicate places. [2023-11-29 05:55:28,050 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 483 transitions, 6858 flow [2023-11-29 05:55:28,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:28,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:28,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:28,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:55:28,051 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:28,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1357261282, now seen corresponding path program 1 times [2023-11-29 05:55:28,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:28,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392875856] [2023-11-29 05:55:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:28,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:28,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:28,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:28,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392875856] [2023-11-29 05:55:28,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392875856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:28,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:28,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:55:28,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135544320] [2023-11-29 05:55:28,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:28,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:55:28,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:28,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:55:28,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:55:28,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:28,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 483 transitions, 6858 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:28,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:28,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:28,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:35,690 INFO L124 PetriNetUnfolderBase]: 14177/26080 cut-off events. [2023-11-29 05:55:35,690 INFO L125 PetriNetUnfolderBase]: For 347911/348021 co-relation queries the response was YES. [2023-11-29 05:55:36,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151348 conditions, 26080 events. 14177/26080 cut-off events. For 347911/348021 co-relation queries the response was YES. Maximal size of possible extension queue 1408. Compared 238722 event pairs, 2018 based on Foata normal form. 234/25538 useless extension candidates. Maximal degree in co-relation 147423. Up to 13982 conditions per place. [2023-11-29 05:55:36,122 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 614 selfloop transitions, 187 changer transitions 21/826 dead transitions. [2023-11-29 05:55:36,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 826 transitions, 13252 flow [2023-11-29 05:55:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:55:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 05:55:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 203 transitions. [2023-11-29 05:55:36,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45111111111111113 [2023-11-29 05:55:36,124 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 203 transitions. [2023-11-29 05:55:36,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 203 transitions. [2023-11-29 05:55:36,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:36,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 203 transitions. [2023-11-29 05:55:36,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.3) internal successors, (203), 10 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:36,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 45.0) internal successors, (495), 11 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:36,126 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 45.0) internal successors, (495), 11 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:36,126 INFO L175 Difference]: Start difference. First operand has 178 places, 483 transitions, 6858 flow. Second operand 10 states and 203 transitions. [2023-11-29 05:55:36,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 826 transitions, 13252 flow [2023-11-29 05:55:45,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 826 transitions, 12772 flow, removed 153 selfloop flow, removed 2 redundant places. [2023-11-29 05:55:45,553 INFO L231 Difference]: Finished difference. Result has 191 places, 569 transitions, 8281 flow [2023-11-29 05:55:45,554 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=6514, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8281, PETRI_PLACES=191, PETRI_TRANSITIONS=569} [2023-11-29 05:55:45,555 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 145 predicate places. [2023-11-29 05:55:45,555 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 569 transitions, 8281 flow [2023-11-29 05:55:45,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:45,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:55:45,556 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:55:45,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:55:45,556 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:55:45,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:55:45,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1773474808, now seen corresponding path program 1 times [2023-11-29 05:55:45,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:55:45,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641356084] [2023-11-29 05:55:45,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:55:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:55:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:55:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:55:46,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:55:46,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641356084] [2023-11-29 05:55:46,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641356084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:55:46,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:55:46,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:55:46,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815043175] [2023-11-29 05:55:46,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:55:46,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:55:46,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:55:46,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:55:46,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:55:46,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:55:46,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 569 transitions, 8281 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:46,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:55:46,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:55:46,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:55:53,440 INFO L124 PetriNetUnfolderBase]: 15175/27945 cut-off events. [2023-11-29 05:55:53,440 INFO L125 PetriNetUnfolderBase]: For 415648/415754 co-relation queries the response was YES. [2023-11-29 05:55:53,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170652 conditions, 27945 events. 15175/27945 cut-off events. For 415648/415754 co-relation queries the response was YES. Maximal size of possible extension queue 1512. Compared 258730 event pairs, 7328 based on Foata normal form. 189/27213 useless extension candidates. Maximal degree in co-relation 168682. Up to 20666 conditions per place. [2023-11-29 05:55:53,770 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 665 selfloop transitions, 50 changer transitions 58/777 dead transitions. [2023-11-29 05:55:53,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 777 transitions, 12612 flow [2023-11-29 05:55:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 05:55:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-29 05:55:53,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2023-11-29 05:55:53,772 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2023-11-29 05:55:53,772 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 261 transitions. [2023-11-29 05:55:53,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 261 transitions. [2023-11-29 05:55:53,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:55:53,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 261 transitions. [2023-11-29 05:55:53,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 15.352941176470589) internal successors, (261), 17 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:53,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 45.0) internal successors, (810), 18 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:53,776 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 45.0) internal successors, (810), 18 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:55:53,776 INFO L175 Difference]: Start difference. First operand has 191 places, 569 transitions, 8281 flow. Second operand 17 states and 261 transitions. [2023-11-29 05:55:53,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 777 transitions, 12612 flow [2023-11-29 05:56:04,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 777 transitions, 12580 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-11-29 05:56:04,184 INFO L231 Difference]: Finished difference. Result has 211 places, 594 transitions, 8694 flow [2023-11-29 05:56:04,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=8254, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8694, PETRI_PLACES=211, PETRI_TRANSITIONS=594} [2023-11-29 05:56:04,186 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 165 predicate places. [2023-11-29 05:56:04,186 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 594 transitions, 8694 flow [2023-11-29 05:56:04,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:04,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:56:04,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:56:04,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:56:04,187 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:56:04,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:56:04,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1009561492, now seen corresponding path program 2 times [2023-11-29 05:56:04,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:56:04,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874798783] [2023-11-29 05:56:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:56:04,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:56:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:56:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:56:04,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:56:04,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874798783] [2023-11-29 05:56:04,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874798783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:56:04,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:56:04,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:56:04,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073321971] [2023-11-29 05:56:04,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:56:04,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:56:04,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:56:04,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:56:04,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:56:04,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:56:04,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 594 transitions, 8694 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:04,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:56:04,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:56:04,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:56:18,667 INFO L124 PetriNetUnfolderBase]: 25393/47257 cut-off events. [2023-11-29 05:56:18,668 INFO L125 PetriNetUnfolderBase]: For 733633/733834 co-relation queries the response was YES. [2023-11-29 05:56:19,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295617 conditions, 47257 events. 25393/47257 cut-off events. For 733633/733834 co-relation queries the response was YES. Maximal size of possible extension queue 2562. Compared 474424 event pairs, 6104 based on Foata normal form. 279/45981 useless extension candidates. Maximal degree in co-relation 293126. Up to 14925 conditions per place. [2023-11-29 05:56:19,635 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 882 selfloop transitions, 263 changer transitions 5/1154 dead transitions. [2023-11-29 05:56:19,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 1154 transitions, 19055 flow [2023-11-29 05:56:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:56:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:56:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 250 transitions. [2023-11-29 05:56:19,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5050505050505051 [2023-11-29 05:56:19,638 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 250 transitions. [2023-11-29 05:56:19,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 250 transitions. [2023-11-29 05:56:19,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:56:19,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 250 transitions. [2023-11-29 05:56:19,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 22.727272727272727) internal successors, (250), 11 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:19,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:19,640 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:19,641 INFO L175 Difference]: Start difference. First operand has 211 places, 594 transitions, 8694 flow. Second operand 11 states and 250 transitions. [2023-11-29 05:56:19,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 1154 transitions, 19055 flow [2023-11-29 05:56:46,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 1154 transitions, 18904 flow, removed 19 selfloop flow, removed 7 redundant places. [2023-11-29 05:56:46,253 INFO L231 Difference]: Finished difference. Result has 220 places, 678 transitions, 10723 flow [2023-11-29 05:56:46,254 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=8591, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10723, PETRI_PLACES=220, PETRI_TRANSITIONS=678} [2023-11-29 05:56:46,254 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 174 predicate places. [2023-11-29 05:56:46,254 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 678 transitions, 10723 flow [2023-11-29 05:56:46,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:46,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:56:46,255 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:56:46,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:56:46,255 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:56:46,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:56:46,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1444636658, now seen corresponding path program 3 times [2023-11-29 05:56:46,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:56:46,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425673819] [2023-11-29 05:56:46,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:56:46,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:56:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:56:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:56:46,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:56:46,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425673819] [2023-11-29 05:56:46,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425673819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:56:46,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:56:46,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:56:46,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253811559] [2023-11-29 05:56:46,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:56:46,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:56:46,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:56:46,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:56:46,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:56:46,649 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:56:46,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 678 transitions, 10723 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:46,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:56:46,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:56:46,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:56:57,032 INFO L124 PetriNetUnfolderBase]: 19371/36685 cut-off events. [2023-11-29 05:56:57,032 INFO L125 PetriNetUnfolderBase]: For 563517/563689 co-relation queries the response was YES. [2023-11-29 05:56:57,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230098 conditions, 36685 events. 19371/36685 cut-off events. For 563517/563689 co-relation queries the response was YES. Maximal size of possible extension queue 1931. Compared 361102 event pairs, 4445 based on Foata normal form. 378/36014 useless extension candidates. Maximal degree in co-relation 227247. Up to 14925 conditions per place. [2023-11-29 05:56:57,674 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 714 selfloop transitions, 274 changer transitions 2/994 dead transitions. [2023-11-29 05:56:57,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 994 transitions, 16959 flow [2023-11-29 05:56:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:56:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:56:57,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 244 transitions. [2023-11-29 05:56:57,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49292929292929294 [2023-11-29 05:56:57,676 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 244 transitions. [2023-11-29 05:56:57,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 244 transitions. [2023-11-29 05:56:57,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:56:57,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 244 transitions. [2023-11-29 05:56:57,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 22.181818181818183) internal successors, (244), 11 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:57,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:57,678 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 45.0) internal successors, (540), 12 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:56:57,678 INFO L175 Difference]: Start difference. First operand has 220 places, 678 transitions, 10723 flow. Second operand 11 states and 244 transitions. [2023-11-29 05:56:57,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 994 transitions, 16959 flow [2023-11-29 05:57:15,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 994 transitions, 16671 flow, removed 19 selfloop flow, removed 3 redundant places. [2023-11-29 05:57:15,036 INFO L231 Difference]: Finished difference. Result has 233 places, 689 transitions, 11370 flow [2023-11-29 05:57:15,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=10158, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11370, PETRI_PLACES=233, PETRI_TRANSITIONS=689} [2023-11-29 05:57:15,038 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 187 predicate places. [2023-11-29 05:57:15,038 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 689 transitions, 11370 flow [2023-11-29 05:57:15,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:15,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:57:15,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:57:15,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:57:15,038 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:57:15,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:57:15,039 INFO L85 PathProgramCache]: Analyzing trace with hash -612425654, now seen corresponding path program 2 times [2023-11-29 05:57:15,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:57:15,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411590510] [2023-11-29 05:57:15,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:57:15,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:57:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:57:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:57:15,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:57:15,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411590510] [2023-11-29 05:57:15,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411590510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:57:15,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:57:15,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:57:15,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982494422] [2023-11-29 05:57:15,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:57:15,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:57:15,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:57:15,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:57:15,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:57:15,359 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:57:15,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 689 transitions, 11370 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:15,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:57:15,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:57:15,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:57:26,844 INFO L124 PetriNetUnfolderBase]: 20099/38149 cut-off events. [2023-11-29 05:57:26,844 INFO L125 PetriNetUnfolderBase]: For 644462/644613 co-relation queries the response was YES. [2023-11-29 05:57:27,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244660 conditions, 38149 events. 20099/38149 cut-off events. For 644462/644613 co-relation queries the response was YES. Maximal size of possible extension queue 2006. Compared 378960 event pairs, 3135 based on Foata normal form. 366/37361 useless extension candidates. Maximal degree in co-relation 241763. Up to 12751 conditions per place. [2023-11-29 05:57:27,511 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 738 selfloop transitions, 374 changer transitions 40/1156 dead transitions. [2023-11-29 05:57:27,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 1156 transitions, 20631 flow [2023-11-29 05:57:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:57:27,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:57:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 233 transitions. [2023-11-29 05:57:27,513 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43148148148148147 [2023-11-29 05:57:27,513 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 233 transitions. [2023-11-29 05:57:27,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 233 transitions. [2023-11-29 05:57:27,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:57:27,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 233 transitions. [2023-11-29 05:57:27,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 19.416666666666668) internal successors, (233), 12 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:27,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 45.0) internal successors, (585), 13 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:27,514 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 45.0) internal successors, (585), 13 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:27,515 INFO L175 Difference]: Start difference. First operand has 233 places, 689 transitions, 11370 flow. Second operand 12 states and 233 transitions. [2023-11-29 05:57:27,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 1156 transitions, 20631 flow [2023-11-29 05:57:44,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 1156 transitions, 20045 flow, removed 34 selfloop flow, removed 4 redundant places. [2023-11-29 05:57:44,864 INFO L231 Difference]: Finished difference. Result has 244 places, 779 transitions, 13754 flow [2023-11-29 05:57:44,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=10693, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13754, PETRI_PLACES=244, PETRI_TRANSITIONS=779} [2023-11-29 05:57:44,866 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 198 predicate places. [2023-11-29 05:57:44,866 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 779 transitions, 13754 flow [2023-11-29 05:57:44,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:44,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:57:44,866 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:57:44,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:57:44,866 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:57:44,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:57:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1051533818, now seen corresponding path program 3 times [2023-11-29 05:57:44,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:57:44,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357869199] [2023-11-29 05:57:44,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:57:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:57:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:57:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:57:45,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:57:45,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357869199] [2023-11-29 05:57:45,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357869199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:57:45,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:57:45,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:57:45,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981362468] [2023-11-29 05:57:45,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:57:45,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:57:45,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:57:45,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:57:45,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:57:45,223 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:57:45,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 779 transitions, 13754 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:57:45,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:57:45,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:57:45,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:57:59,332 INFO L124 PetriNetUnfolderBase]: 21804/42289 cut-off events. [2023-11-29 05:57:59,332 INFO L125 PetriNetUnfolderBase]: For 748815/749095 co-relation queries the response was YES. [2023-11-29 05:57:59,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276873 conditions, 42289 events. 21804/42289 cut-off events. For 748815/749095 co-relation queries the response was YES. Maximal size of possible extension queue 2266. Compared 435668 event pairs, 3412 based on Foata normal form. 592/41548 useless extension candidates. Maximal degree in co-relation 275093. Up to 10671 conditions per place. [2023-11-29 05:58:00,100 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 830 selfloop transitions, 450 changer transitions 35/1319 dead transitions. [2023-11-29 05:58:00,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 1319 transitions, 24196 flow [2023-11-29 05:58:00,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:58:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 05:58:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 286 transitions. [2023-11-29 05:58:00,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45396825396825397 [2023-11-29 05:58:00,102 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 286 transitions. [2023-11-29 05:58:00,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 286 transitions. [2023-11-29 05:58:00,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:58:00,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 286 transitions. [2023-11-29 05:58:00,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.428571428571427) internal successors, (286), 14 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:00,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 45.0) internal successors, (675), 15 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:00,104 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 45.0) internal successors, (675), 15 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:00,105 INFO L175 Difference]: Start difference. First operand has 244 places, 779 transitions, 13754 flow. Second operand 14 states and 286 transitions. [2023-11-29 05:58:00,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 1319 transitions, 24196 flow [2023-11-29 05:58:27,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 1319 transitions, 23857 flow, removed 53 selfloop flow, removed 11 redundant places. [2023-11-29 05:58:27,730 INFO L231 Difference]: Finished difference. Result has 252 places, 843 transitions, 16291 flow [2023-11-29 05:58:27,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=13335, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16291, PETRI_PLACES=252, PETRI_TRANSITIONS=843} [2023-11-29 05:58:27,731 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 206 predicate places. [2023-11-29 05:58:27,732 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 843 transitions, 16291 flow [2023-11-29 05:58:27,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:27,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:58:27,732 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:58:27,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:58:27,732 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:58:27,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:58:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash -846454960, now seen corresponding path program 4 times [2023-11-29 05:58:27,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:58:27,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114531518] [2023-11-29 05:58:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:58:27,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:58:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:58:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:58:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:58:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114531518] [2023-11-29 05:58:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114531518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:58:28,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:58:28,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:58:28,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82694096] [2023-11-29 05:58:28,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:58:28,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:58:28,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:58:28,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:58:28,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:58:28,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:58:28,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 843 transitions, 16291 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:28,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:58:28,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:58:28,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:58:42,726 INFO L124 PetriNetUnfolderBase]: 21340/41685 cut-off events. [2023-11-29 05:58:42,726 INFO L125 PetriNetUnfolderBase]: For 760550/760779 co-relation queries the response was YES. [2023-11-29 05:58:43,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274910 conditions, 41685 events. 21340/41685 cut-off events. For 760550/760779 co-relation queries the response was YES. Maximal size of possible extension queue 2213. Compared 431880 event pairs, 4185 based on Foata normal form. 396/40711 useless extension candidates. Maximal degree in co-relation 273026. Up to 11817 conditions per place. [2023-11-29 05:58:43,526 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 838 selfloop transitions, 437 changer transitions 17/1296 dead transitions. [2023-11-29 05:58:43,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 1296 transitions, 25285 flow [2023-11-29 05:58:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:58:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:58:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 248 transitions. [2023-11-29 05:58:43,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45925925925925926 [2023-11-29 05:58:43,528 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 248 transitions. [2023-11-29 05:58:43,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 248 transitions. [2023-11-29 05:58:43,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:58:43,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 248 transitions. [2023-11-29 05:58:43,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.666666666666668) internal successors, (248), 12 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:43,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 45.0) internal successors, (585), 13 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:43,529 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 45.0) internal successors, (585), 13 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:58:43,529 INFO L175 Difference]: Start difference. First operand has 252 places, 843 transitions, 16291 flow. Second operand 12 states and 248 transitions. [2023-11-29 05:58:43,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 1296 transitions, 25285 flow [2023-11-29 05:59:14,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 1296 transitions, 24650 flow, removed 115 selfloop flow, removed 8 redundant places. [2023-11-29 05:59:14,793 INFO L231 Difference]: Finished difference. Result has 260 places, 853 transitions, 17320 flow [2023-11-29 05:59:14,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=15307, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=821, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=406, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17320, PETRI_PLACES=260, PETRI_TRANSITIONS=853} [2023-11-29 05:59:14,795 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 214 predicate places. [2023-11-29 05:59:14,795 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 853 transitions, 17320 flow [2023-11-29 05:59:14,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:14,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:59:14,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:59:14,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:59:14,795 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:59:14,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:59:14,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1019689448, now seen corresponding path program 5 times [2023-11-29 05:59:14,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:59:14,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129434958] [2023-11-29 05:59:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:59:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:59:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:59:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:59:15,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:59:15,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129434958] [2023-11-29 05:59:15,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129434958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:59:15,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:59:15,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:59:15,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292118359] [2023-11-29 05:59:15,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:59:15,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:59:15,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:59:15,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:59:15,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:59:15,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:59:15,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 853 transitions, 17320 flow. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:15,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:59:15,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:59:15,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:59:25,822 INFO L124 PetriNetUnfolderBase]: 14193/28698 cut-off events. [2023-11-29 05:59:25,822 INFO L125 PetriNetUnfolderBase]: For 494918/495147 co-relation queries the response was YES. [2023-11-29 05:59:26,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177132 conditions, 28698 events. 14193/28698 cut-off events. For 494918/495147 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 289426 event pairs, 3313 based on Foata normal form. 495/28487 useless extension candidates. Maximal degree in co-relation 175351. Up to 5667 conditions per place. [2023-11-29 05:59:26,352 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 821 selfloop transitions, 391 changer transitions 6/1222 dead transitions. [2023-11-29 05:59:26,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 1222 transitions, 24160 flow [2023-11-29 05:59:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:59:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:59:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 261 transitions. [2023-11-29 05:59:26,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48333333333333334 [2023-11-29 05:59:26,354 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 261 transitions. [2023-11-29 05:59:26,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 261 transitions. [2023-11-29 05:59:26,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:59:26,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 261 transitions. [2023-11-29 05:59:26,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 21.75) internal successors, (261), 12 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:26,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 45.0) internal successors, (585), 13 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:26,355 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 45.0) internal successors, (585), 13 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:26,355 INFO L175 Difference]: Start difference. First operand has 260 places, 853 transitions, 17320 flow. Second operand 12 states and 261 transitions. [2023-11-29 05:59:26,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 1222 transitions, 24160 flow [2023-11-29 05:59:44,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 1222 transitions, 23070 flow, removed 170 selfloop flow, removed 12 redundant places. [2023-11-29 05:59:44,192 INFO L231 Difference]: Finished difference. Result has 265 places, 767 transitions, 16056 flow [2023-11-29 05:59:44,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=14590, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16056, PETRI_PLACES=265, PETRI_TRANSITIONS=767} [2023-11-29 05:59:44,193 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 219 predicate places. [2023-11-29 05:59:44,193 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 767 transitions, 16056 flow [2023-11-29 05:59:44,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:44,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:59:44,193 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:59:44,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:59:44,193 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 05:59:44,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:59:44,194 INFO L85 PathProgramCache]: Analyzing trace with hash 312113157, now seen corresponding path program 1 times [2023-11-29 05:59:44,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:59:44,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604968236] [2023-11-29 05:59:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:59:44,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:59:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:59:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:59:44,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:59:44,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604968236] [2023-11-29 05:59:44,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604968236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:59:44,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:59:44,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 05:59:44,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489416499] [2023-11-29 05:59:44,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:59:44,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:59:44,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:59:44,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:59:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:59:44,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 05:59:44,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 767 transitions, 16056 flow. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:44,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:59:44,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 05:59:44,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:59:55,872 INFO L124 PetriNetUnfolderBase]: 15074/30357 cut-off events. [2023-11-29 05:59:55,873 INFO L125 PetriNetUnfolderBase]: For 504063/504222 co-relation queries the response was YES. [2023-11-29 05:59:56,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182395 conditions, 30357 events. 15074/30357 cut-off events. For 504063/504222 co-relation queries the response was YES. Maximal size of possible extension queue 1552. Compared 307673 event pairs, 7909 based on Foata normal form. 19/29636 useless extension candidates. Maximal degree in co-relation 180260. Up to 23413 conditions per place. [2023-11-29 05:59:56,430 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 969 selfloop transitions, 75 changer transitions 91/1139 dead transitions. [2023-11-29 05:59:56,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1139 transitions, 24468 flow [2023-11-29 05:59:56,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 05:59:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-29 05:59:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 300 transitions. [2023-11-29 05:59:56,432 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2023-11-29 05:59:56,432 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 300 transitions. [2023-11-29 05:59:56,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 300 transitions. [2023-11-29 05:59:56,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:59:56,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 300 transitions. [2023-11-29 05:59:56,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.75) internal successors, (300), 16 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:56,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 45.0) internal successors, (765), 17 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:56,434 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 45.0) internal successors, (765), 17 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:59:56,434 INFO L175 Difference]: Start difference. First operand has 265 places, 767 transitions, 16056 flow. Second operand 16 states and 300 transitions. [2023-11-29 05:59:56,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 1139 transitions, 24468 flow [2023-11-29 06:00:15,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 1139 transitions, 23983 flow, removed 37 selfloop flow, removed 5 redundant places. [2023-11-29 06:00:15,562 INFO L231 Difference]: Finished difference. Result has 284 places, 818 transitions, 16795 flow [2023-11-29 06:00:15,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=15736, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16795, PETRI_PLACES=284, PETRI_TRANSITIONS=818} [2023-11-29 06:00:15,563 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 238 predicate places. [2023-11-29 06:00:15,563 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 818 transitions, 16795 flow [2023-11-29 06:00:15,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:15,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:15,563 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:15,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:00:15,563 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:00:15,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1967424387, now seen corresponding path program 2 times [2023-11-29 06:00:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281415176] [2023-11-29 06:00:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:15,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:16,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:16,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281415176] [2023-11-29 06:00:16,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281415176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:16,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:16,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:00:16,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412612947] [2023-11-29 06:00:16,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:16,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:00:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:16,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:00:16,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:00:16,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:00:16,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 818 transitions, 16795 flow. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:16,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:16,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:00:16,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:27,706 INFO L124 PetriNetUnfolderBase]: 15095/30434 cut-off events. [2023-11-29 06:00:27,707 INFO L125 PetriNetUnfolderBase]: For 557836/557986 co-relation queries the response was YES. [2023-11-29 06:00:28,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184977 conditions, 30434 events. 15095/30434 cut-off events. For 557836/557986 co-relation queries the response was YES. Maximal size of possible extension queue 1554. Compared 308732 event pairs, 8120 based on Foata normal form. 32/30118 useless extension candidates. Maximal degree in co-relation 182602. Up to 25504 conditions per place. [2023-11-29 06:00:28,332 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 867 selfloop transitions, 68 changer transitions 17/956 dead transitions. [2023-11-29 06:00:28,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 956 transitions, 20811 flow [2023-11-29 06:00:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 06:00:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-29 06:00:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 242 transitions. [2023-11-29 06:00:28,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33611111111111114 [2023-11-29 06:00:28,334 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 242 transitions. [2023-11-29 06:00:28,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 242 transitions. [2023-11-29 06:00:28,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:28,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 242 transitions. [2023-11-29 06:00:28,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:28,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 45.0) internal successors, (765), 17 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:28,336 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 45.0) internal successors, (765), 17 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:28,337 INFO L175 Difference]: Start difference. First operand has 284 places, 818 transitions, 16795 flow. Second operand 16 states and 242 transitions. [2023-11-29 06:00:28,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 956 transitions, 20811 flow [2023-11-29 06:00:47,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 956 transitions, 20739 flow, removed 31 selfloop flow, removed 2 redundant places. [2023-11-29 06:00:47,313 INFO L231 Difference]: Finished difference. Result has 303 places, 836 transitions, 17211 flow [2023-11-29 06:00:47,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=16737, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=818, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=758, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=17211, PETRI_PLACES=303, PETRI_TRANSITIONS=836} [2023-11-29 06:00:47,314 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 257 predicate places. [2023-11-29 06:00:47,314 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 836 transitions, 17211 flow [2023-11-29 06:00:47,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:47,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:47,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:00:47,315 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:00:47,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:47,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1034201866, now seen corresponding path program 1 times [2023-11-29 06:00:47,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:47,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055365197] [2023-11-29 06:00:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:48,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:48,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055365197] [2023-11-29 06:00:48,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055365197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:48,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:48,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:00:48,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223791948] [2023-11-29 06:00:48,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:48,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:00:48,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:48,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:00:48,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:00:48,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:00:48,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 836 transitions, 17211 flow. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:00:48,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:48,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:00:48,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:01:01,120 INFO L124 PetriNetUnfolderBase]: 16525/33439 cut-off events. [2023-11-29 06:01:01,120 INFO L125 PetriNetUnfolderBase]: For 638818/638968 co-relation queries the response was YES. [2023-11-29 06:01:01,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204382 conditions, 33439 events. 16525/33439 cut-off events. For 638818/638968 co-relation queries the response was YES. Maximal size of possible extension queue 1724. Compared 344922 event pairs, 8470 based on Foata normal form. 50/33083 useless extension candidates. Maximal degree in co-relation 202001. Up to 25962 conditions per place. [2023-11-29 06:01:01,861 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 955 selfloop transitions, 82 changer transitions 38/1079 dead transitions. [2023-11-29 06:01:01,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 1079 transitions, 23502 flow [2023-11-29 06:01:01,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:01:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 06:01:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 259 transitions. [2023-11-29 06:01:01,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3837037037037037 [2023-11-29 06:01:01,862 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 259 transitions. [2023-11-29 06:01:01,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 259 transitions. [2023-11-29 06:01:01,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:01:01,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 259 transitions. [2023-11-29 06:01:01,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.266666666666666) internal successors, (259), 15 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:01,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 45.0) internal successors, (720), 16 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:01,864 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 45.0) internal successors, (720), 16 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:01,864 INFO L175 Difference]: Start difference. First operand has 303 places, 836 transitions, 17211 flow. Second operand 15 states and 259 transitions. [2023-11-29 06:01:01,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 1079 transitions, 23502 flow [2023-11-29 06:01:23,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 1079 transitions, 23368 flow, removed 39 selfloop flow, removed 6 redundant places. [2023-11-29 06:01:23,844 INFO L231 Difference]: Finished difference. Result has 317 places, 866 transitions, 17843 flow [2023-11-29 06:01:23,845 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=17087, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=758, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17843, PETRI_PLACES=317, PETRI_TRANSITIONS=866} [2023-11-29 06:01:23,846 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 271 predicate places. [2023-11-29 06:01:23,846 INFO L495 AbstractCegarLoop]: Abstraction has has 317 places, 866 transitions, 17843 flow [2023-11-29 06:01:23,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:23,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:01:23,846 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:01:23,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 06:01:23,846 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:01:23,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:01:23,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1967424386, now seen corresponding path program 2 times [2023-11-29 06:01:23,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:01:23,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559788259] [2023-11-29 06:01:23,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:01:23,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:01:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:01:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:01:24,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:01:24,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559788259] [2023-11-29 06:01:24,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559788259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:01:24,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:01:24,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:01:24,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972084799] [2023-11-29 06:01:24,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:01:24,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:01:24,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:01:24,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:01:24,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:01:24,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:01:24,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 866 transitions, 17843 flow. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:24,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:01:24,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:01:24,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:01:38,080 INFO L124 PetriNetUnfolderBase]: 16199/32850 cut-off events. [2023-11-29 06:01:38,081 INFO L125 PetriNetUnfolderBase]: For 674502/674652 co-relation queries the response was YES. [2023-11-29 06:01:38,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206375 conditions, 32850 events. 16199/32850 cut-off events. For 674502/674652 co-relation queries the response was YES. Maximal size of possible extension queue 1683. Compared 338778 event pairs, 8519 based on Foata normal form. 50/32494 useless extension candidates. Maximal degree in co-relation 204856. Up to 26279 conditions per place. [2023-11-29 06:01:38,810 INFO L140 encePairwiseOnDemand]: 30/45 looper letters, 955 selfloop transitions, 96 changer transitions 23/1078 dead transitions. [2023-11-29 06:01:38,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 1078 transitions, 23509 flow [2023-11-29 06:01:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 06:01:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-29 06:01:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 294 transitions. [2023-11-29 06:01:38,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.362962962962963 [2023-11-29 06:01:38,812 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 294 transitions. [2023-11-29 06:01:38,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 294 transitions. [2023-11-29 06:01:38,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:01:38,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 294 transitions. [2023-11-29 06:01:38,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.333333333333332) internal successors, (294), 18 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:38,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 45.0) internal successors, (855), 19 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:38,814 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 45.0) internal successors, (855), 19 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:01:38,814 INFO L175 Difference]: Start difference. First operand has 317 places, 866 transitions, 17843 flow. Second operand 18 states and 294 transitions. [2023-11-29 06:01:38,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 1078 transitions, 23509 flow [2023-11-29 06:02:02,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 1078 transitions, 23370 flow, removed 20 selfloop flow, removed 7 redundant places. [2023-11-29 06:02:02,155 INFO L231 Difference]: Finished difference. Result has 330 places, 871 transitions, 18149 flow [2023-11-29 06:02:02,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=17692, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=770, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18149, PETRI_PLACES=330, PETRI_TRANSITIONS=871} [2023-11-29 06:02:02,157 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 284 predicate places. [2023-11-29 06:02:02,157 INFO L495 AbstractCegarLoop]: Abstraction has has 330 places, 871 transitions, 18149 flow [2023-11-29 06:02:02,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:02,157 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:02:02,157 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:02:02,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:02:02,158 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:02:02,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:02:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash 312113156, now seen corresponding path program 3 times [2023-11-29 06:02:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:02:02,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095087816] [2023-11-29 06:02:02,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:02:02,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:02:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:02:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:02:02,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:02:02,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095087816] [2023-11-29 06:02:02,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095087816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:02:02,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:02:02,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:02:02,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855891768] [2023-11-29 06:02:02,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:02:02,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:02:02,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:02:02,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:02:02,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:02:02,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:02:02,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 871 transitions, 18149 flow. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:02,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:02:02,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:02:02,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:02:17,200 INFO L124 PetriNetUnfolderBase]: 16585/33728 cut-off events. [2023-11-29 06:02:17,200 INFO L125 PetriNetUnfolderBase]: For 742331/742490 co-relation queries the response was YES. [2023-11-29 06:02:17,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215189 conditions, 33728 events. 16585/33728 cut-off events. For 742331/742490 co-relation queries the response was YES. Maximal size of possible extension queue 1734. Compared 350432 event pairs, 8682 based on Foata normal form. 89/33411 useless extension candidates. Maximal degree in co-relation 212853. Up to 25180 conditions per place. [2023-11-29 06:02:18,018 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 1022 selfloop transitions, 81 changer transitions 110/1217 dead transitions. [2023-11-29 06:02:18,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 1217 transitions, 26696 flow [2023-11-29 06:02:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:02:18,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 06:02:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 291 transitions. [2023-11-29 06:02:18,020 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4311111111111111 [2023-11-29 06:02:18,021 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 291 transitions. [2023-11-29 06:02:18,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 291 transitions. [2023-11-29 06:02:18,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:02:18,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 291 transitions. [2023-11-29 06:02:18,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 19.4) internal successors, (291), 15 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:18,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 45.0) internal successors, (720), 16 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:18,024 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 45.0) internal successors, (720), 16 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:18,024 INFO L175 Difference]: Start difference. First operand has 330 places, 871 transitions, 18149 flow. Second operand 15 states and 291 transitions. [2023-11-29 06:02:18,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 1217 transitions, 26696 flow [2023-11-29 06:02:43,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 1217 transitions, 26556 flow, removed 19 selfloop flow, removed 15 redundant places. [2023-11-29 06:02:43,240 INFO L231 Difference]: Finished difference. Result has 333 places, 882 transitions, 18613 flow [2023-11-29 06:02:43,241 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=18020, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=871, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18613, PETRI_PLACES=333, PETRI_TRANSITIONS=882} [2023-11-29 06:02:43,241 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 287 predicate places. [2023-11-29 06:02:43,241 INFO L495 AbstractCegarLoop]: Abstraction has has 333 places, 882 transitions, 18613 flow [2023-11-29 06:02:43,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:43,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:02:43,242 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:02:43,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 06:02:43,242 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:02:43,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:02:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1684591765, now seen corresponding path program 3 times [2023-11-29 06:02:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:02:43,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764199893] [2023-11-29 06:02:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:02:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:02:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:02:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:02:43,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:02:43,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764199893] [2023-11-29 06:02:43,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764199893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:02:43,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:02:43,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:02:43,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767570861] [2023-11-29 06:02:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:02:43,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:02:43,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:02:43,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:02:43,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:02:43,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:02:43,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 882 transitions, 18613 flow. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:02:43,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:02:43,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:02:43,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:02:59,600 INFO L124 PetriNetUnfolderBase]: 16416/33302 cut-off events. [2023-11-29 06:02:59,601 INFO L125 PetriNetUnfolderBase]: For 766676/766818 co-relation queries the response was YES. [2023-11-29 06:03:00,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217055 conditions, 33302 events. 16416/33302 cut-off events. For 766676/766818 co-relation queries the response was YES. Maximal size of possible extension queue 1695. Compared 345075 event pairs, 7918 based on Foata normal form. 32/32928 useless extension candidates. Maximal degree in co-relation 215556. Up to 28886 conditions per place. [2023-11-29 06:03:00,395 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 919 selfloop transitions, 72 changer transitions 8/1003 dead transitions. [2023-11-29 06:03:00,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 1003 transitions, 22380 flow [2023-11-29 06:03:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:03:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-29 06:03:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 245 transitions. [2023-11-29 06:03:00,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3202614379084967 [2023-11-29 06:03:00,397 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 245 transitions. [2023-11-29 06:03:00,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 245 transitions. [2023-11-29 06:03:00,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:03:00,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 245 transitions. [2023-11-29 06:03:00,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 14.411764705882353) internal successors, (245), 17 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:00,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 45.0) internal successors, (810), 18 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:00,400 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 45.0) internal successors, (810), 18 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:00,400 INFO L175 Difference]: Start difference. First operand has 333 places, 882 transitions, 18613 flow. Second operand 17 states and 245 transitions. [2023-11-29 06:03:00,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 1003 transitions, 22380 flow [2023-11-29 06:03:24,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 1003 transitions, 22193 flow, removed 56 selfloop flow, removed 7 redundant places. [2023-11-29 06:03:25,017 INFO L231 Difference]: Finished difference. Result has 350 places, 901 transitions, 18997 flow [2023-11-29 06:03:25,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=18431, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=18997, PETRI_PLACES=350, PETRI_TRANSITIONS=901} [2023-11-29 06:03:25,019 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 304 predicate places. [2023-11-29 06:03:25,019 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 901 transitions, 18997 flow [2023-11-29 06:03:25,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:25,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:03:25,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:03:25,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 06:03:25,019 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:03:25,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:03:25,019 INFO L85 PathProgramCache]: Analyzing trace with hash 370012692, now seen corresponding path program 4 times [2023-11-29 06:03:25,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:03:25,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978691166] [2023-11-29 06:03:25,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:03:25,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:03:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:03:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:03:25,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:03:25,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978691166] [2023-11-29 06:03:25,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978691166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:03:25,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:03:25,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:03:25,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680515513] [2023-11-29 06:03:25,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:03:25,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:03:25,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:03:25,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:03:25,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:03:25,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:03:25,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 901 transitions, 18997 flow. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:25,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:03:25,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:03:25,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:03:42,761 INFO L124 PetriNetUnfolderBase]: 18252/37394 cut-off events. [2023-11-29 06:03:42,761 INFO L125 PetriNetUnfolderBase]: For 868949/869017 co-relation queries the response was YES. [2023-11-29 06:03:43,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242980 conditions, 37394 events. 18252/37394 cut-off events. For 868949/869017 co-relation queries the response was YES. Maximal size of possible extension queue 1881. Compared 394799 event pairs, 5668 based on Foata normal form. 71/37003 useless extension candidates. Maximal degree in co-relation 241758. Up to 15499 conditions per place. [2023-11-29 06:03:43,763 INFO L140 encePairwiseOnDemand]: 30/45 looper letters, 731 selfloop transitions, 619 changer transitions 217/1571 dead transitions. [2023-11-29 06:03:43,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 1571 transitions, 35843 flow [2023-11-29 06:03:43,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 06:03:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-11-29 06:03:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 414 transitions. [2023-11-29 06:03:43,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.368 [2023-11-29 06:03:43,766 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 414 transitions. [2023-11-29 06:03:43,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 414 transitions. [2023-11-29 06:03:43,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:03:43,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 414 transitions. [2023-11-29 06:03:43,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 16.56) internal successors, (414), 25 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:43,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 45.0) internal successors, (1170), 26 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:43,770 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 45.0) internal successors, (1170), 26 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:03:43,770 INFO L175 Difference]: Start difference. First operand has 350 places, 901 transitions, 18997 flow. Second operand 25 states and 414 transitions. [2023-11-29 06:03:43,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 1571 transitions, 35843 flow [2023-11-29 06:04:21,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 1571 transitions, 35577 flow, removed 104 selfloop flow, removed 4 redundant places. [2023-11-29 06:04:21,971 INFO L231 Difference]: Finished difference. Result has 383 places, 1102 transitions, 26724 flow [2023-11-29 06:04:21,972 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=18798, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=26724, PETRI_PLACES=383, PETRI_TRANSITIONS=1102} [2023-11-29 06:04:21,972 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 337 predicate places. [2023-11-29 06:04:21,973 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 1102 transitions, 26724 flow [2023-11-29 06:04:21,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:04:21,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:04:21,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:04:21,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 06:04:21,973 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:04:21,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:04:21,974 INFO L85 PathProgramCache]: Analyzing trace with hash 370012693, now seen corresponding path program 4 times [2023-11-29 06:04:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:04:21,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706770858] [2023-11-29 06:04:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:04:21,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:04:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:04:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:04:22,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:04:22,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706770858] [2023-11-29 06:04:22,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706770858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:04:22,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:04:22,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:04:22,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919677761] [2023-11-29 06:04:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:04:22,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:04:22,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:04:22,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:04:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:04:22,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:04:22,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 1102 transitions, 26724 flow. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:04:22,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:04:22,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:04:22,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:04:39,575 INFO L124 PetriNetUnfolderBase]: 13627/28254 cut-off events. [2023-11-29 06:04:39,575 INFO L125 PetriNetUnfolderBase]: For 891919/891997 co-relation queries the response was YES. [2023-11-29 06:04:40,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205384 conditions, 28254 events. 13627/28254 cut-off events. For 891919/891997 co-relation queries the response was YES. Maximal size of possible extension queue 1403. Compared 292687 event pairs, 6100 based on Foata normal form. 94/27886 useless extension candidates. Maximal degree in co-relation 202322. Up to 18300 conditions per place. [2023-11-29 06:04:40,439 INFO L140 encePairwiseOnDemand]: 30/45 looper letters, 1198 selfloop transitions, 321 changer transitions 67/1590 dead transitions. [2023-11-29 06:04:40,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 1590 transitions, 41413 flow [2023-11-29 06:04:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:04:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-11-29 06:04:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2023-11-29 06:04:40,440 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31574074074074077 [2023-11-29 06:04:40,440 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 341 transitions. [2023-11-29 06:04:40,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 341 transitions. [2023-11-29 06:04:40,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:04:40,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 341 transitions. [2023-11-29 06:04:40,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 14.208333333333334) internal successors, (341), 24 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:04:40,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 45.0) internal successors, (1125), 25 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:04:40,443 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 45.0) internal successors, (1125), 25 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:04:40,443 INFO L175 Difference]: Start difference. First operand has 383 places, 1102 transitions, 26724 flow. Second operand 24 states and 341 transitions. [2023-11-29 06:04:40,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 1590 transitions, 41413 flow [2023-11-29 06:05:06,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 1590 transitions, 41075 flow, removed 129 selfloop flow, removed 8 redundant places. [2023-11-29 06:05:06,733 INFO L231 Difference]: Finished difference. Result has 407 places, 1265 transitions, 33067 flow [2023-11-29 06:05:06,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=26444, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=843, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=33067, PETRI_PLACES=407, PETRI_TRANSITIONS=1265} [2023-11-29 06:05:06,734 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 361 predicate places. [2023-11-29 06:05:06,734 INFO L495 AbstractCegarLoop]: Abstraction has has 407 places, 1265 transitions, 33067 flow [2023-11-29 06:05:06,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:06,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:05:06,734 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:06,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 06:05:06,735 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:05:06,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:06,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1684591764, now seen corresponding path program 5 times [2023-11-29 06:05:06,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:06,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514745191] [2023-11-29 06:05:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:06,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:05:07,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:07,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514745191] [2023-11-29 06:05:07,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514745191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:07,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:07,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:05:07,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255533353] [2023-11-29 06:05:07,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:07,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:05:07,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:07,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:05:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:05:07,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:05:07,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 1265 transitions, 33067 flow. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:07,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:05:07,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:05:07,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:05:26,567 INFO L124 PetriNetUnfolderBase]: 13719/28621 cut-off events. [2023-11-29 06:05:26,568 INFO L125 PetriNetUnfolderBase]: For 950912/951002 co-relation queries the response was YES. [2023-11-29 06:05:27,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210210 conditions, 28621 events. 13719/28621 cut-off events. For 950912/951002 co-relation queries the response was YES. Maximal size of possible extension queue 1427. Compared 298189 event pairs, 6355 based on Foata normal form. 72/28223 useless extension candidates. Maximal degree in co-relation 208867. Up to 19213 conditions per place. [2023-11-29 06:05:27,449 INFO L140 encePairwiseOnDemand]: 30/45 looper letters, 1229 selfloop transitions, 358 changer transitions 56/1647 dead transitions. [2023-11-29 06:05:27,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 1647 transitions, 44603 flow [2023-11-29 06:05:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:05:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 06:05:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 359 transitions. [2023-11-29 06:05:27,451 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3798941798941799 [2023-11-29 06:05:27,451 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 359 transitions. [2023-11-29 06:05:27,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 359 transitions. [2023-11-29 06:05:27,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:05:27,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 359 transitions. [2023-11-29 06:05:27,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 17.095238095238095) internal successors, (359), 21 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:27,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 45.0) internal successors, (990), 22 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:27,455 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 45.0) internal successors, (990), 22 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:27,455 INFO L175 Difference]: Start difference. First operand has 407 places, 1265 transitions, 33067 flow. Second operand 21 states and 359 transitions. [2023-11-29 06:05:27,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 1647 transitions, 44603 flow [2023-11-29 06:05:55,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1647 transitions, 44222 flow, removed 105 selfloop flow, removed 13 redundant places. [2023-11-29 06:05:55,348 INFO L231 Difference]: Finished difference. Result has 423 places, 1381 transitions, 38025 flow [2023-11-29 06:05:55,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=32720, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=995, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=38025, PETRI_PLACES=423, PETRI_TRANSITIONS=1381} [2023-11-29 06:05:55,350 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 377 predicate places. [2023-11-29 06:05:55,350 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 1381 transitions, 38025 flow [2023-11-29 06:05:55,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:55,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:05:55,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:05:55,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 06:05:55,350 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:05:55,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:05:55,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1619775350, now seen corresponding path program 6 times [2023-11-29 06:05:55,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:05:55,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142416126] [2023-11-29 06:05:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:05:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:05:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:05:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:05:55,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:05:55,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142416126] [2023-11-29 06:05:55,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142416126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:05:55,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:05:55,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:05:55,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842440557] [2023-11-29 06:05:55,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:05:55,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:05:55,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:05:55,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:05:55,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:05:55,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:05:55,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 1381 transitions, 38025 flow. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:05:55,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:05:55,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:05:55,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:06:17,712 INFO L124 PetriNetUnfolderBase]: 13813/29077 cut-off events. [2023-11-29 06:06:17,712 INFO L125 PetriNetUnfolderBase]: For 1000909/1000975 co-relation queries the response was YES. [2023-11-29 06:06:18,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214645 conditions, 29077 events. 13813/29077 cut-off events. For 1000909/1000975 co-relation queries the response was YES. Maximal size of possible extension queue 1455. Compared 304117 event pairs, 5392 based on Foata normal form. 87/28702 useless extension candidates. Maximal degree in co-relation 211569. Up to 13343 conditions per place. [2023-11-29 06:06:18,760 INFO L140 encePairwiseOnDemand]: 30/45 looper letters, 1307 selfloop transitions, 347 changer transitions 56/1714 dead transitions. [2023-11-29 06:06:18,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 1714 transitions, 46434 flow [2023-11-29 06:06:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 06:06:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 06:06:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 432 transitions. [2023-11-29 06:06:18,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34285714285714286 [2023-11-29 06:06:18,762 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 432 transitions. [2023-11-29 06:06:18,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 432 transitions. [2023-11-29 06:06:18,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:06:18,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 432 transitions. [2023-11-29 06:06:18,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 15.428571428571429) internal successors, (432), 28 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:06:18,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 45.0) internal successors, (1305), 29 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:06:18,767 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 45.0) internal successors, (1305), 29 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:06:18,767 INFO L175 Difference]: Start difference. First operand has 423 places, 1381 transitions, 38025 flow. Second operand 28 states and 432 transitions. [2023-11-29 06:06:18,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 1714 transitions, 46434 flow [2023-11-29 06:06:48,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 1714 transitions, 45827 flow, removed 254 selfloop flow, removed 8 redundant places. [2023-11-29 06:06:48,311 INFO L231 Difference]: Finished difference. Result has 447 places, 1422 transitions, 39802 flow [2023-11-29 06:06:48,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=37577, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=39802, PETRI_PLACES=447, PETRI_TRANSITIONS=1422} [2023-11-29 06:06:48,313 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 401 predicate places. [2023-11-29 06:06:48,313 INFO L495 AbstractCegarLoop]: Abstraction has has 447 places, 1422 transitions, 39802 flow [2023-11-29 06:06:48,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:06:48,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:06:48,313 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:06:48,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 06:06:48,313 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:06:48,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:06:48,314 INFO L85 PathProgramCache]: Analyzing trace with hash -62823713, now seen corresponding path program 1 times [2023-11-29 06:06:48,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:06:48,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701888629] [2023-11-29 06:06:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:06:48,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:06:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:06:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:06:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:06:48,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701888629] [2023-11-29 06:06:48,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701888629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:06:48,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:06:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:06:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096427130] [2023-11-29 06:06:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:06:48,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:06:48,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:06:48,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:06:48,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:06:48,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:06:48,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 1422 transitions, 39802 flow. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:06:48,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:06:48,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:06:48,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:07:08,641 INFO L124 PetriNetUnfolderBase]: 13537/28386 cut-off events. [2023-11-29 06:07:08,641 INFO L125 PetriNetUnfolderBase]: For 1043289/1043385 co-relation queries the response was YES. [2023-11-29 06:07:09,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216549 conditions, 28386 events. 13537/28386 cut-off events. For 1043289/1043385 co-relation queries the response was YES. Maximal size of possible extension queue 1455. Compared 296889 event pairs, 7036 based on Foata normal form. 8/27950 useless extension candidates. Maximal degree in co-relation 215904. Up to 15419 conditions per place. [2023-11-29 06:07:09,497 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 1531 selfloop transitions, 93 changer transitions 20/1648 dead transitions. [2023-11-29 06:07:09,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 1648 transitions, 47178 flow [2023-11-29 06:07:09,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 06:07:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-29 06:07:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 287 transitions. [2023-11-29 06:07:09,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37516339869281046 [2023-11-29 06:07:09,499 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 287 transitions. [2023-11-29 06:07:09,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 287 transitions. [2023-11-29 06:07:09,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:07:09,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 287 transitions. [2023-11-29 06:07:09,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 16.88235294117647) internal successors, (287), 17 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:09,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 45.0) internal successors, (810), 18 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:09,501 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 45.0) internal successors, (810), 18 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:09,501 INFO L175 Difference]: Start difference. First operand has 447 places, 1422 transitions, 39802 flow. Second operand 17 states and 287 transitions. [2023-11-29 06:07:09,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 1648 transitions, 47178 flow [2023-11-29 06:07:39,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 1648 transitions, 46856 flow, removed 45 selfloop flow, removed 18 redundant places. [2023-11-29 06:07:39,255 INFO L231 Difference]: Finished difference. Result has 450 places, 1433 transitions, 39977 flow [2023-11-29 06:07:39,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=39480, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=39977, PETRI_PLACES=450, PETRI_TRANSITIONS=1433} [2023-11-29 06:07:39,257 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 404 predicate places. [2023-11-29 06:07:39,257 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 1433 transitions, 39977 flow [2023-11-29 06:07:39,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:39,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:07:39,257 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:07:39,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 06:07:39,258 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-29 06:07:39,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:07:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash -62823714, now seen corresponding path program 1 times [2023-11-29 06:07:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:07:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476354127] [2023-11-29 06:07:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:07:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:07:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:07:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:07:39,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:07:39,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476354127] [2023-11-29 06:07:39,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476354127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:07:39,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:07:39,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:07:39,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56483582] [2023-11-29 06:07:39,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:07:39,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:07:39,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:07:39,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:07:39,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:07:39,677 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2023-11-29 06:07:39,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 1433 transitions, 39977 flow. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:39,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:07:39,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2023-11-29 06:07:39,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:07:58,278 INFO L124 PetriNetUnfolderBase]: 13468/28271 cut-off events. [2023-11-29 06:07:58,278 INFO L125 PetriNetUnfolderBase]: For 1105740/1105838 co-relation queries the response was YES. [2023-11-29 06:07:58,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218400 conditions, 28271 events. 13468/28271 cut-off events. For 1105740/1105838 co-relation queries the response was YES. Maximal size of possible extension queue 1451. Compared 296031 event pairs, 7109 based on Foata normal form. 70/28341 useless extension candidates. Maximal degree in co-relation 217777. Up to 23856 conditions per place. [2023-11-29 06:07:58,980 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 1455 selfloop transitions, 77 changer transitions 22/1558 dead transitions. [2023-11-29 06:07:58,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 1558 transitions, 45457 flow [2023-11-29 06:07:58,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:07:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 06:07:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 226 transitions. [2023-11-29 06:07:58,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38632478632478634 [2023-11-29 06:07:58,982 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 226 transitions. [2023-11-29 06:07:58,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 226 transitions. [2023-11-29 06:07:58,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:07:58,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 226 transitions. [2023-11-29 06:07:58,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.384615384615383) internal successors, (226), 13 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:58,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 45.0) internal successors, (630), 14 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:58,983 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 45.0) internal successors, (630), 14 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:07:58,984 INFO L175 Difference]: Start difference. First operand has 450 places, 1433 transitions, 39977 flow. Second operand 13 states and 226 transitions. [2023-11-29 06:07:58,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 1558 transitions, 45457 flow