./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB --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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:54,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:54,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:07:54,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:54,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:54,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:54,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:54,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:54,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:54,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:54,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:54,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:54,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:54,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:54,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:54,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:54,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:54,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:54,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:07:54,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:54,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:54,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:54,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:54,505 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:54,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:54,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:54,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:54,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:54,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:54,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:54,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:54,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:54,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:54,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:54,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:54,508 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-11-28 02:07:54,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:54,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:54,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:54,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:54,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:54,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-28 02:07:57,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/data/de6857650/2eb9085c157c4d108dc3528803c001b6/FLAG6195a03de [2024-11-28 02:07:58,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:58,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-28 02:07:58,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/data/de6857650/2eb9085c157c4d108dc3528803c001b6/FLAG6195a03de [2024-11-28 02:07:58,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/data/de6857650/2eb9085c157c4d108dc3528803c001b6 [2024-11-28 02:07:58,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:58,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:58,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:58,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:58,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:58,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:58" (1/1) ... [2024-11-28 02:07:58,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35635f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:58, skipping insertion in model container [2024-11-28 02:07:58,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:58" (1/1) ... [2024-11-28 02:07:58,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:58,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:58,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:59,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:59,052 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:59,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59 WrapperNode [2024-11-28 02:07:59,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:59,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:59,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:59,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:59,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,101 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2024-11-28 02:07:59,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:59,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:59,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:59,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:59,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,130 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 2, 11]. 73 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-11-28 02:07:59,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:59,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:59,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:59,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:59,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (1/1) ... [2024-11-28 02:07:59,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:59,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:59,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:59,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-28 02:07:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:07:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:07:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:59,233 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:07:59,596 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:59,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:59,883 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:07:59,883 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:08:00,115 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:08:00,119 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:08:00,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:00 BoogieIcfgContainer [2024-11-28 02:08:00,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:08:00,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:08:00,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:08:00,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:08:00,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:58" (1/3) ... [2024-11-28 02:08:00,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df4751b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:08:00, skipping insertion in model container [2024-11-28 02:08:00,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:59" (2/3) ... [2024-11-28 02:08:00,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df4751b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:08:00, skipping insertion in model container [2024-11-28 02:08:00,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:00" (3/3) ... [2024-11-28 02:08:00,131 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-11-28 02:08:00,145 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:08:00,147 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_2-container_of.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 02:08:00,147 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:08:00,208 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:08:00,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-28 02:08:00,311 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-28 02:08:00,314 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:08:00,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-11-28 02:08:00,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-28 02:08:00,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-28 02:08:00,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:08:00,355 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35e74c07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:08:00,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 02:08:00,372 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:08:00,372 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-28 02:08:00,373 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:08:00,373 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:00,373 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:00,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:00,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:00,380 INFO L85 PathProgramCache]: Analyzing trace with hash -183419474, now seen corresponding path program 1 times [2024-11-28 02:08:00,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:00,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964608305] [2024-11-28 02:08:00,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964608305] [2024-11-28 02:08:01,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964608305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:01,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:01,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:01,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882626654] [2024-11-28 02:08:01,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:01,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:08:01,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:01,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:08:01,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:08:01,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:01,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:01,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:01,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:01,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:02,569 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2024-11-28 02:08:02,570 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-28 02:08:02,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6470 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2024-11-28 02:08:02,588 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-28 02:08:02,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-28 02:08:02,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:08:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 02:08:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-28 02:08:02,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-28 02:08:02,610 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-28 02:08:02,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-28 02:08:02,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 02:08:02,626 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-28 02:08:02,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-11-28 02:08:02,633 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-28 02:08:02,634 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-28 02:08:02,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:02,634 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:02,634 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:02,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:08:02,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:02,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:02,635 INFO L85 PathProgramCache]: Analyzing trace with hash -186141248, now seen corresponding path program 1 times [2024-11-28 02:08:02,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:02,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872308634] [2024-11-28 02:08:02,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:03,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:03,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:03,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872308634] [2024-11-28 02:08:03,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872308634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:03,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:03,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:03,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102638735] [2024-11-28 02:08:03,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:03,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:08:03,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:03,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:08:03,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:08:03,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:03,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:03,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:03,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:03,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:03,996 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-28 02:08:03,996 INFO L125 PetriNetUnfolderBase]: For 794/794 co-relation queries the response was YES. [2024-11-28 02:08:04,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 794/794 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8213 event pairs, 631 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 2189. Up to 1126 conditions per place. [2024-11-28 02:08:04,008 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2024-11-28 02:08:04,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2024-11-28 02:08:04,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:08:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 02:08:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2024-11-28 02:08:04,010 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-28 02:08:04,010 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2024-11-28 02:08:04,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2024-11-28 02:08:04,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:08:04,018 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2024-11-28 02:08:04,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-28 02:08:04,019 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2024-11-28 02:08:04,019 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2024-11-28 02:08:04,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:04,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:04,020 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:04,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:08:04,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:04,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash -3978691, now seen corresponding path program 1 times [2024-11-28 02:08:04,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:04,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190879895] [2024-11-28 02:08:04,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:04,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:04,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:04,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190879895] [2024-11-28 02:08:04,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190879895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:04,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:08:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330618940] [2024-11-28 02:08:04,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:04,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:08:04,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:04,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:08:04,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:04,770 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:04,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:04,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:04,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:04,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:06,039 INFO L124 PetriNetUnfolderBase]: 1410/2455 cut-off events. [2024-11-28 02:08:06,039 INFO L125 PetriNetUnfolderBase]: For 2390/2394 co-relation queries the response was YES. [2024-11-28 02:08:06,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7340 conditions, 2455 events. 1410/2455 cut-off events. For 2390/2394 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14577 event pairs, 653 based on Foata normal form. 54/2347 useless extension candidates. Maximal degree in co-relation 4394. Up to 1397 conditions per place. [2024-11-28 02:08:06,057 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 119 selfloop transitions, 72 changer transitions 4/196 dead transitions. [2024-11-28 02:08:06,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 196 transitions, 1380 flow [2024-11-28 02:08:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:08:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 02:08:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 227 transitions. [2024-11-28 02:08:06,063 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3338235294117647 [2024-11-28 02:08:06,063 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 20 states and 227 transitions. [2024-11-28 02:08:06,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 196 transitions, 1380 flow [2024-11-28 02:08:06,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 196 transitions, 1380 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:08:06,085 INFO L231 Difference]: Finished difference. Result has 91 places, 125 transitions, 1017 flow [2024-11-28 02:08:06,086 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1017, PETRI_PLACES=91, PETRI_TRANSITIONS=125} [2024-11-28 02:08:06,087 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 56 predicate places. [2024-11-28 02:08:06,087 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 125 transitions, 1017 flow [2024-11-28 02:08:06,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:06,088 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:06,088 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:06,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:08:06,088 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:06,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:06,089 INFO L85 PathProgramCache]: Analyzing trace with hash -859285121, now seen corresponding path program 1 times [2024-11-28 02:08:06,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:06,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418909449] [2024-11-28 02:08:06,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:06,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:06,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418909449] [2024-11-28 02:08:06,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418909449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:06,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:06,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:06,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479375557] [2024-11-28 02:08:06,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:06,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:06,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:06,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:06,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:06,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:06,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 125 transitions, 1017 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:06,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:06,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:06,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:07,879 INFO L124 PetriNetUnfolderBase]: 1416/2505 cut-off events. [2024-11-28 02:08:07,880 INFO L125 PetriNetUnfolderBase]: For 6785/6787 co-relation queries the response was YES. [2024-11-28 02:08:07,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9612 conditions, 2505 events. 1416/2505 cut-off events. For 6785/6787 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15236 event pairs, 578 based on Foata normal form. 56/2385 useless extension candidates. Maximal degree in co-relation 8577. Up to 1610 conditions per place. [2024-11-28 02:08:07,909 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 112 selfloop transitions, 92 changer transitions 19/224 dead transitions. [2024-11-28 02:08:07,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 224 transitions, 2184 flow [2024-11-28 02:08:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:08:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 02:08:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 167 transitions. [2024-11-28 02:08:07,911 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35084033613445376 [2024-11-28 02:08:07,911 INFO L175 Difference]: Start difference. First operand has 91 places, 125 transitions, 1017 flow. Second operand 14 states and 167 transitions. [2024-11-28 02:08:07,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 224 transitions, 2184 flow [2024-11-28 02:08:07,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 224 transitions, 2022 flow, removed 57 selfloop flow, removed 6 redundant places. [2024-11-28 02:08:07,973 INFO L231 Difference]: Finished difference. Result has 106 places, 161 transitions, 1597 flow [2024-11-28 02:08:07,974 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1597, PETRI_PLACES=106, PETRI_TRANSITIONS=161} [2024-11-28 02:08:07,976 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 71 predicate places. [2024-11-28 02:08:07,976 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 161 transitions, 1597 flow [2024-11-28 02:08:07,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:07,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:07,977 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:07,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:08:07,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:07,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash -410430851, now seen corresponding path program 2 times [2024-11-28 02:08:07,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:07,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642915040] [2024-11-28 02:08:07,981 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:07,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:08,031 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:08,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:08,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:08,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642915040] [2024-11-28 02:08:08,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642915040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:08,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:08,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:08:08,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982570619] [2024-11-28 02:08:08,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:08,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:08:08,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:08,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:08:08,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:08,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:08,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 161 transitions, 1597 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:08,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:08,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:08,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:10,243 INFO L124 PetriNetUnfolderBase]: 1581/2857 cut-off events. [2024-11-28 02:08:10,244 INFO L125 PetriNetUnfolderBase]: For 9031/9035 co-relation queries the response was YES. [2024-11-28 02:08:10,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11444 conditions, 2857 events. 1581/2857 cut-off events. For 9031/9035 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 18317 event pairs, 856 based on Foata normal form. 56/2721 useless extension candidates. Maximal degree in co-relation 10829. Up to 1853 conditions per place. [2024-11-28 02:08:10,276 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 112 selfloop transitions, 86 changer transitions 13/212 dead transitions. [2024-11-28 02:08:10,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 212 transitions, 2385 flow [2024-11-28 02:08:10,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:08:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 02:08:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-11-28 02:08:10,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-28 02:08:10,284 INFO L175 Difference]: Start difference. First operand has 106 places, 161 transitions, 1597 flow. Second operand 12 states and 150 transitions. [2024-11-28 02:08:10,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 212 transitions, 2385 flow [2024-11-28 02:08:10,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 212 transitions, 2310 flow, removed 24 selfloop flow, removed 4 redundant places. [2024-11-28 02:08:10,363 INFO L231 Difference]: Finished difference. Result has 116 places, 168 transitions, 1808 flow [2024-11-28 02:08:10,363 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1808, PETRI_PLACES=116, PETRI_TRANSITIONS=168} [2024-11-28 02:08:10,364 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 81 predicate places. [2024-11-28 02:08:10,364 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 168 transitions, 1808 flow [2024-11-28 02:08:10,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:10,364 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:10,365 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:10,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:08:10,365 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:10,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:10,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1305332237, now seen corresponding path program 2 times [2024-11-28 02:08:10,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:10,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918989012] [2024-11-28 02:08:10,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:10,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:10,399 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:10,399 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:11,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:11,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918989012] [2024-11-28 02:08:11,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918989012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:11,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:11,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:08:11,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903343460] [2024-11-28 02:08:11,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:11,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:08:11,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:11,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:08:11,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:11,072 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:11,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 168 transitions, 1808 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:11,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:11,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:11,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:12,966 INFO L124 PetriNetUnfolderBase]: 1903/3379 cut-off events. [2024-11-28 02:08:12,966 INFO L125 PetriNetUnfolderBase]: For 12372/12376 co-relation queries the response was YES. [2024-11-28 02:08:12,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14295 conditions, 3379 events. 1903/3379 cut-off events. For 12372/12376 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 21822 event pairs, 953 based on Foata normal form. 58/3215 useless extension candidates. Maximal degree in co-relation 13908. Up to 1988 conditions per place. [2024-11-28 02:08:13,002 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 152 selfloop transitions, 115 changer transitions 7/275 dead transitions. [2024-11-28 02:08:13,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 275 transitions, 3205 flow [2024-11-28 02:08:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:08:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 02:08:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2024-11-28 02:08:13,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2024-11-28 02:08:13,005 INFO L175 Difference]: Start difference. First operand has 116 places, 168 transitions, 1808 flow. Second operand 20 states and 224 transitions. [2024-11-28 02:08:13,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 275 transitions, 3205 flow [2024-11-28 02:08:13,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 275 transitions, 3118 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-28 02:08:13,087 INFO L231 Difference]: Finished difference. Result has 136 places, 211 transitions, 2560 flow [2024-11-28 02:08:13,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1733, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2560, PETRI_PLACES=136, PETRI_TRANSITIONS=211} [2024-11-28 02:08:13,088 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-28 02:08:13,089 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 211 transitions, 2560 flow [2024-11-28 02:08:13,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:13,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:13,089 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:13,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:08:13,090 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:13,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:13,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1305332462, now seen corresponding path program 1 times [2024-11-28 02:08:13,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:13,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875233460] [2024-11-28 02:08:13,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:13,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:13,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:13,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875233460] [2024-11-28 02:08:13,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875233460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:13,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:13,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:08:13,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542953098] [2024-11-28 02:08:13,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:13,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:08:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:13,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:08:13,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:13,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:13,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 211 transitions, 2560 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:13,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:13,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:13,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:15,161 INFO L124 PetriNetUnfolderBase]: 2000/3607 cut-off events. [2024-11-28 02:08:15,162 INFO L125 PetriNetUnfolderBase]: For 19173/19173 co-relation queries the response was YES. [2024-11-28 02:08:15,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16884 conditions, 3607 events. 2000/3607 cut-off events. For 19173/19173 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 24150 event pairs, 1022 based on Foata normal form. 70/3455 useless extension candidates. Maximal degree in co-relation 16416. Up to 2204 conditions per place. [2024-11-28 02:08:15,199 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 163 selfloop transitions, 101 changer transitions 13/278 dead transitions. [2024-11-28 02:08:15,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 278 transitions, 3522 flow [2024-11-28 02:08:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:08:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 02:08:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-28 02:08:15,202 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-28 02:08:15,202 INFO L175 Difference]: Start difference. First operand has 136 places, 211 transitions, 2560 flow. Second operand 19 states and 210 transitions. [2024-11-28 02:08:15,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 278 transitions, 3522 flow [2024-11-28 02:08:15,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 278 transitions, 3345 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-11-28 02:08:15,324 INFO L231 Difference]: Finished difference. Result has 149 places, 217 transitions, 2728 flow [2024-11-28 02:08:15,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2402, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2728, PETRI_PLACES=149, PETRI_TRANSITIONS=217} [2024-11-28 02:08:15,325 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 114 predicate places. [2024-11-28 02:08:15,325 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 217 transitions, 2728 flow [2024-11-28 02:08:15,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:15,325 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:15,325 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:15,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:08:15,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:15,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:15,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623522, now seen corresponding path program 2 times [2024-11-28 02:08:15,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:15,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247593905] [2024-11-28 02:08:15,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:15,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:15,350 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:15,350 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:15,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247593905] [2024-11-28 02:08:15,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247593905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:15,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:15,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:08:15,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176117523] [2024-11-28 02:08:15,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:15,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:08:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:15,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:08:15,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:15,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:15,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 217 transitions, 2728 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:15,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:15,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:15,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:17,038 INFO L124 PetriNetUnfolderBase]: 1868/3402 cut-off events. [2024-11-28 02:08:17,039 INFO L125 PetriNetUnfolderBase]: For 20426/20426 co-relation queries the response was YES. [2024-11-28 02:08:17,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16415 conditions, 3402 events. 1868/3402 cut-off events. For 20426/20426 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 22786 event pairs, 952 based on Foata normal form. 72/3276 useless extension candidates. Maximal degree in co-relation 15722. Up to 2159 conditions per place. [2024-11-28 02:08:17,069 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 201 selfloop transitions, 87 changer transitions 12/301 dead transitions. [2024-11-28 02:08:17,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 301 transitions, 4057 flow [2024-11-28 02:08:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:08:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 02:08:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 174 transitions. [2024-11-28 02:08:17,072 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2024-11-28 02:08:17,072 INFO L175 Difference]: Start difference. First operand has 149 places, 217 transitions, 2728 flow. Second operand 15 states and 174 transitions. [2024-11-28 02:08:17,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 301 transitions, 4057 flow [2024-11-28 02:08:17,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 301 transitions, 3877 flow, removed 17 selfloop flow, removed 11 redundant places. [2024-11-28 02:08:17,174 INFO L231 Difference]: Finished difference. Result has 157 places, 238 transitions, 3118 flow [2024-11-28 02:08:17,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2565, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3118, PETRI_PLACES=157, PETRI_TRANSITIONS=238} [2024-11-28 02:08:17,175 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 122 predicate places. [2024-11-28 02:08:17,175 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 238 transitions, 3118 flow [2024-11-28 02:08:17,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:17,175 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:17,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:17,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:08:17,175 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:17,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:17,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1499271647, now seen corresponding path program 3 times [2024-11-28 02:08:17,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:17,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760613896] [2024-11-28 02:08:17,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:08:17,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:17,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:08:17,198 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:17,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:17,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760613896] [2024-11-28 02:08:17,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760613896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:17,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:17,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:08:17,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149303364] [2024-11-28 02:08:17,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:17,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:08:17,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:17,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:08:17,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:17,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:17,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 238 transitions, 3118 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:17,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:17,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:17,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:19,501 INFO L124 PetriNetUnfolderBase]: 1882/3483 cut-off events. [2024-11-28 02:08:19,501 INFO L125 PetriNetUnfolderBase]: For 25943/25943 co-relation queries the response was YES. [2024-11-28 02:08:19,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17986 conditions, 3483 events. 1882/3483 cut-off events. For 25943/25943 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 23731 event pairs, 1018 based on Foata normal form. 52/3343 useless extension candidates. Maximal degree in co-relation 17485. Up to 2096 conditions per place. [2024-11-28 02:08:19,526 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 150 selfloop transitions, 159 changer transitions 10/320 dead transitions. [2024-11-28 02:08:19,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 320 transitions, 4466 flow [2024-11-28 02:08:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:08:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 02:08:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2024-11-28 02:08:19,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3088235294117647 [2024-11-28 02:08:19,529 INFO L175 Difference]: Start difference. First operand has 157 places, 238 transitions, 3118 flow. Second operand 22 states and 231 transitions. [2024-11-28 02:08:19,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 320 transitions, 4466 flow [2024-11-28 02:08:19,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 320 transitions, 4215 flow, removed 45 selfloop flow, removed 11 redundant places. [2024-11-28 02:08:19,687 INFO L231 Difference]: Finished difference. Result has 172 places, 258 transitions, 3575 flow [2024-11-28 02:08:19,688 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2917, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3575, PETRI_PLACES=172, PETRI_TRANSITIONS=258} [2024-11-28 02:08:19,688 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 137 predicate places. [2024-11-28 02:08:19,689 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 258 transitions, 3575 flow [2024-11-28 02:08:19,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:19,689 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:19,690 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:19,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:08:19,690 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:19,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:19,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928707, now seen corresponding path program 1 times [2024-11-28 02:08:19,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:19,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509339355] [2024-11-28 02:08:19,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:19,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:20,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:20,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509339355] [2024-11-28 02:08:20,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509339355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:20,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:20,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:20,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916957222] [2024-11-28 02:08:20,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:20,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:20,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:20,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:20,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:20,332 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:20,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 258 transitions, 3575 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:20,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:20,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:20,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:21,953 INFO L124 PetriNetUnfolderBase]: 1807/3351 cut-off events. [2024-11-28 02:08:21,954 INFO L125 PetriNetUnfolderBase]: For 28224/28226 co-relation queries the response was YES. [2024-11-28 02:08:21,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18305 conditions, 3351 events. 1807/3351 cut-off events. For 28224/28226 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 22655 event pairs, 594 based on Foata normal form. 0/3187 useless extension candidates. Maximal degree in co-relation 17929. Up to 1728 conditions per place. [2024-11-28 02:08:21,975 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 210 selfloop transitions, 147 changer transitions 13/371 dead transitions. [2024-11-28 02:08:21,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 371 transitions, 5248 flow [2024-11-28 02:08:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:08:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 02:08:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 233 transitions. [2024-11-28 02:08:21,977 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3114973262032086 [2024-11-28 02:08:21,977 INFO L175 Difference]: Start difference. First operand has 172 places, 258 transitions, 3575 flow. Second operand 22 states and 233 transitions. [2024-11-28 02:08:21,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 371 transitions, 5248 flow [2024-11-28 02:08:22,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 371 transitions, 4977 flow, removed 35 selfloop flow, removed 12 redundant places. [2024-11-28 02:08:22,138 INFO L231 Difference]: Finished difference. Result has 187 places, 291 transitions, 4107 flow [2024-11-28 02:08:22,138 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3317, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4107, PETRI_PLACES=187, PETRI_TRANSITIONS=291} [2024-11-28 02:08:22,139 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 152 predicate places. [2024-11-28 02:08:22,139 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 291 transitions, 4107 flow [2024-11-28 02:08:22,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:22,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:22,140 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:22,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:08:22,140 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:22,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:22,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928708, now seen corresponding path program 1 times [2024-11-28 02:08:22,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:22,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96283179] [2024-11-28 02:08:22,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:22,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:22,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:22,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96283179] [2024-11-28 02:08:22,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96283179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:22,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:22,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:22,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353729140] [2024-11-28 02:08:22,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:22,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:22,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:22,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:22,733 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:22,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 291 transitions, 4107 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:22,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:22,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:22,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:23,813 INFO L124 PetriNetUnfolderBase]: 1483/2817 cut-off events. [2024-11-28 02:08:23,813 INFO L125 PetriNetUnfolderBase]: For 37414/37416 co-relation queries the response was YES. [2024-11-28 02:08:23,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17206 conditions, 2817 events. 1483/2817 cut-off events. For 37414/37416 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 19155 event pairs, 663 based on Foata normal form. 14/2733 useless extension candidates. Maximal degree in co-relation 16768. Up to 2345 conditions per place. [2024-11-28 02:08:23,839 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 259 selfloop transitions, 67 changer transitions 16/343 dead transitions. [2024-11-28 02:08:23,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 343 transitions, 5075 flow [2024-11-28 02:08:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:08:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 02:08:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-28 02:08:23,841 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-28 02:08:23,841 INFO L175 Difference]: Start difference. First operand has 187 places, 291 transitions, 4107 flow. Second operand 15 states and 160 transitions. [2024-11-28 02:08:23,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 343 transitions, 5075 flow [2024-11-28 02:08:24,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 343 transitions, 4913 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-11-28 02:08:24,052 INFO L231 Difference]: Finished difference. Result has 200 places, 298 transitions, 4193 flow [2024-11-28 02:08:24,052 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3969, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4193, PETRI_PLACES=200, PETRI_TRANSITIONS=298} [2024-11-28 02:08:24,053 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 165 predicate places. [2024-11-28 02:08:24,053 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 298 transitions, 4193 flow [2024-11-28 02:08:24,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:24,053 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:24,053 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:24,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:08:24,053 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:24,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:24,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1281587198, now seen corresponding path program 2 times [2024-11-28 02:08:24,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:24,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991371955] [2024-11-28 02:08:24,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:24,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:24,075 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:24,076 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:24,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:24,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991371955] [2024-11-28 02:08:24,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991371955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:24,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:24,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:24,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737975479] [2024-11-28 02:08:24,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:24,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:24,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:24,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:24,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:24,450 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:24,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 298 transitions, 4193 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:24,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:24,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:24,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:26,059 INFO L124 PetriNetUnfolderBase]: 1811/3530 cut-off events. [2024-11-28 02:08:26,059 INFO L125 PetriNetUnfolderBase]: For 53327/53329 co-relation queries the response was YES. [2024-11-28 02:08:26,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20813 conditions, 3530 events. 1811/3530 cut-off events. For 53327/53329 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 25684 event pairs, 350 based on Foata normal form. 42/3460 useless extension candidates. Maximal degree in co-relation 20160. Up to 1031 conditions per place. [2024-11-28 02:08:26,079 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 314 selfloop transitions, 106 changer transitions 9/430 dead transitions. [2024-11-28 02:08:26,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 430 transitions, 6352 flow [2024-11-28 02:08:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:08:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 02:08:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 234 transitions. [2024-11-28 02:08:26,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.38235294117647056 [2024-11-28 02:08:26,082 INFO L175 Difference]: Start difference. First operand has 200 places, 298 transitions, 4193 flow. Second operand 18 states and 234 transitions. [2024-11-28 02:08:26,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 430 transitions, 6352 flow [2024-11-28 02:08:26,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 430 transitions, 6179 flow, removed 51 selfloop flow, removed 8 redundant places. [2024-11-28 02:08:26,281 INFO L231 Difference]: Finished difference. Result has 215 places, 316 transitions, 4646 flow [2024-11-28 02:08:26,281 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4070, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4646, PETRI_PLACES=215, PETRI_TRANSITIONS=316} [2024-11-28 02:08:26,282 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 180 predicate places. [2024-11-28 02:08:26,282 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 316 transitions, 4646 flow [2024-11-28 02:08:26,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:26,282 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:26,282 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:26,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:08:26,282 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:26,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:26,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1283461148, now seen corresponding path program 3 times [2024-11-28 02:08:26,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:26,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325299326] [2024-11-28 02:08:26,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:08:26,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:26,311 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:08:26,311 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:26,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:26,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325299326] [2024-11-28 02:08:26,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325299326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:26,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:26,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:26,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738047332] [2024-11-28 02:08:26,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:26,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:26,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:26,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:26,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:26,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 316 transitions, 4646 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:26,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:26,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:26,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:28,524 INFO L124 PetriNetUnfolderBase]: 1983/3869 cut-off events. [2024-11-28 02:08:28,525 INFO L125 PetriNetUnfolderBase]: For 62101/62103 co-relation queries the response was YES. [2024-11-28 02:08:28,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23756 conditions, 3869 events. 1983/3869 cut-off events. For 62101/62103 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 28925 event pairs, 873 based on Foata normal form. 28/3785 useless extension candidates. Maximal degree in co-relation 23418. Up to 2841 conditions per place. [2024-11-28 02:08:28,558 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 323 selfloop transitions, 89 changer transitions 8/421 dead transitions. [2024-11-28 02:08:28,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 421 transitions, 6514 flow [2024-11-28 02:08:28,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:08:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 02:08:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 213 transitions. [2024-11-28 02:08:28,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32972136222910214 [2024-11-28 02:08:28,560 INFO L175 Difference]: Start difference. First operand has 215 places, 316 transitions, 4646 flow. Second operand 19 states and 213 transitions. [2024-11-28 02:08:28,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 421 transitions, 6514 flow [2024-11-28 02:08:28,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 421 transitions, 6332 flow, removed 91 selfloop flow, removed 0 redundant places. [2024-11-28 02:08:28,975 INFO L231 Difference]: Finished difference. Result has 242 places, 342 transitions, 5276 flow [2024-11-28 02:08:28,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4534, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5276, PETRI_PLACES=242, PETRI_TRANSITIONS=342} [2024-11-28 02:08:28,976 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 207 predicate places. [2024-11-28 02:08:28,977 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 342 transitions, 5276 flow [2024-11-28 02:08:28,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:28,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:28,977 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:28,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:08:28,977 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:28,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1714398119, now seen corresponding path program 1 times [2024-11-28 02:08:28,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:28,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365221123] [2024-11-28 02:08:28,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:28,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:29,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:29,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365221123] [2024-11-28 02:08:29,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365221123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:29,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:29,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043122968] [2024-11-28 02:08:29,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:29,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:29,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:29,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:29,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:29,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-28 02:08:29,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 342 transitions, 5276 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:29,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:29,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-28 02:08:29,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:29,687 INFO L124 PetriNetUnfolderBase]: 988/1943 cut-off events. [2024-11-28 02:08:29,687 INFO L125 PetriNetUnfolderBase]: For 27984/27984 co-relation queries the response was YES. [2024-11-28 02:08:29,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11499 conditions, 1943 events. 988/1943 cut-off events. For 27984/27984 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 12963 event pairs, 229 based on Foata normal form. 0/1895 useless extension candidates. Maximal degree in co-relation 11326. Up to 1297 conditions per place. [2024-11-28 02:08:29,702 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 303 selfloop transitions, 51 changer transitions 14/368 dead transitions. [2024-11-28 02:08:29,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 368 transitions, 6486 flow [2024-11-28 02:08:29,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 02:08:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-28 02:08:29,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-28 02:08:29,704 INFO L175 Difference]: Start difference. First operand has 242 places, 342 transitions, 5276 flow. Second operand 4 states and 66 transitions. [2024-11-28 02:08:29,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 368 transitions, 6486 flow [2024-11-28 02:08:29,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 368 transitions, 6238 flow, removed 53 selfloop flow, removed 9 redundant places. [2024-11-28 02:08:29,845 INFO L231 Difference]: Finished difference. Result has 231 places, 253 transitions, 3864 flow [2024-11-28 02:08:29,845 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3921, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3864, PETRI_PLACES=231, PETRI_TRANSITIONS=253} [2024-11-28 02:08:29,846 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 196 predicate places. [2024-11-28 02:08:29,846 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 253 transitions, 3864 flow [2024-11-28 02:08:29,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:29,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:29,846 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:29,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:08:29,846 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:29,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:29,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245086, now seen corresponding path program 4 times [2024-11-28 02:08:29,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:29,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041119071] [2024-11-28 02:08:29,847 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:08:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:29,872 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:08:29,873 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:30,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:30,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041119071] [2024-11-28 02:08:30,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041119071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:30,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:30,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:30,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940463412] [2024-11-28 02:08:30,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:30,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:30,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:30,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:30,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:30,626 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:30,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 253 transitions, 3864 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:30,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:30,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:30,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:31,605 INFO L124 PetriNetUnfolderBase]: 912/1787 cut-off events. [2024-11-28 02:08:31,605 INFO L125 PetriNetUnfolderBase]: For 20090/20090 co-relation queries the response was YES. [2024-11-28 02:08:31,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10531 conditions, 1787 events. 912/1787 cut-off events. For 20090/20090 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 11201 event pairs, 362 based on Foata normal form. 16/1755 useless extension candidates. Maximal degree in co-relation 10397. Up to 1328 conditions per place. [2024-11-28 02:08:31,617 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 215 selfloop transitions, 72 changer transitions 14/301 dead transitions. [2024-11-28 02:08:31,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 301 transitions, 4741 flow [2024-11-28 02:08:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:08:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 02:08:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 161 transitions. [2024-11-28 02:08:31,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3156862745098039 [2024-11-28 02:08:31,619 INFO L175 Difference]: Start difference. First operand has 231 places, 253 transitions, 3864 flow. Second operand 15 states and 161 transitions. [2024-11-28 02:08:31,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 301 transitions, 4741 flow [2024-11-28 02:08:31,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 301 transitions, 4585 flow, removed 19 selfloop flow, removed 9 redundant places. [2024-11-28 02:08:31,778 INFO L231 Difference]: Finished difference. Result has 232 places, 251 transitions, 3872 flow [2024-11-28 02:08:31,779 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3736, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3872, PETRI_PLACES=232, PETRI_TRANSITIONS=251} [2024-11-28 02:08:31,779 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 197 predicate places. [2024-11-28 02:08:31,779 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 251 transitions, 3872 flow [2024-11-28 02:08:31,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:31,780 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:31,780 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:31,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:08:31,780 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:31,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:31,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1139480605, now seen corresponding path program 2 times [2024-11-28 02:08:31,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:31,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12192810] [2024-11-28 02:08:31,781 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:31,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:31,804 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:31,804 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:32,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:32,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12192810] [2024-11-28 02:08:32,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12192810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:32,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:32,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:32,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858725330] [2024-11-28 02:08:32,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:32,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:32,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:32,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:32,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:32,359 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:32,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 251 transitions, 3872 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:32,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:32,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:32,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:33,394 INFO L124 PetriNetUnfolderBase]: 884/1747 cut-off events. [2024-11-28 02:08:33,394 INFO L125 PetriNetUnfolderBase]: For 19237/19237 co-relation queries the response was YES. [2024-11-28 02:08:33,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10389 conditions, 1747 events. 884/1747 cut-off events. For 19237/19237 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10931 event pairs, 366 based on Foata normal form. 16/1715 useless extension candidates. Maximal degree in co-relation 10223. Up to 1067 conditions per place. [2024-11-28 02:08:33,405 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 180 selfloop transitions, 78 changer transitions 45/303 dead transitions. [2024-11-28 02:08:33,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 303 transitions, 4921 flow [2024-11-28 02:08:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:08:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 02:08:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 179 transitions. [2024-11-28 02:08:33,407 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29248366013071897 [2024-11-28 02:08:33,407 INFO L175 Difference]: Start difference. First operand has 232 places, 251 transitions, 3872 flow. Second operand 18 states and 179 transitions. [2024-11-28 02:08:33,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 303 transitions, 4921 flow [2024-11-28 02:08:33,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 303 transitions, 4728 flow, removed 19 selfloop flow, removed 12 redundant places. [2024-11-28 02:08:33,517 INFO L231 Difference]: Finished difference. Result has 239 places, 237 transitions, 3679 flow [2024-11-28 02:08:33,517 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3674, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3679, PETRI_PLACES=239, PETRI_TRANSITIONS=237} [2024-11-28 02:08:33,518 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 204 predicate places. [2024-11-28 02:08:33,518 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 237 transitions, 3679 flow [2024-11-28 02:08:33,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:33,518 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:33,518 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:33,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:08:33,518 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:33,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:33,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265566, now seen corresponding path program 1 times [2024-11-28 02:08:33,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:33,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112182889] [2024-11-28 02:08:33,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:33,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:33,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:33,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112182889] [2024-11-28 02:08:33,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112182889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:33,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:33,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:33,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436175390] [2024-11-28 02:08:33,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:33,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:33,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:33,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:33,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:33,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:33,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 237 transitions, 3679 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:33,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:33,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:33,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:34,740 INFO L124 PetriNetUnfolderBase]: 778/1539 cut-off events. [2024-11-28 02:08:34,740 INFO L125 PetriNetUnfolderBase]: For 17746/17746 co-relation queries the response was YES. [2024-11-28 02:08:34,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9271 conditions, 1539 events. 778/1539 cut-off events. For 17746/17746 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9399 event pairs, 127 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 9144. Up to 320 conditions per place. [2024-11-28 02:08:34,753 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 184 selfloop transitions, 102 changer transitions 0/286 dead transitions. [2024-11-28 02:08:34,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 286 transitions, 4560 flow [2024-11-28 02:08:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:08:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 02:08:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 181 transitions. [2024-11-28 02:08:34,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31314878892733566 [2024-11-28 02:08:34,759 INFO L175 Difference]: Start difference. First operand has 239 places, 237 transitions, 3679 flow. Second operand 17 states and 181 transitions. [2024-11-28 02:08:34,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 286 transitions, 4560 flow [2024-11-28 02:08:34,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 286 transitions, 4421 flow, removed 12 selfloop flow, removed 13 redundant places. [2024-11-28 02:08:34,883 INFO L231 Difference]: Finished difference. Result has 241 places, 243 transitions, 3924 flow [2024-11-28 02:08:34,884 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3553, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3924, PETRI_PLACES=241, PETRI_TRANSITIONS=243} [2024-11-28 02:08:34,884 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 206 predicate places. [2024-11-28 02:08:34,884 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 243 transitions, 3924 flow [2024-11-28 02:08:34,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:34,884 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:34,885 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:34,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:08:34,885 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:34,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:34,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265565, now seen corresponding path program 1 times [2024-11-28 02:08:34,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:34,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556512597] [2024-11-28 02:08:34,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:34,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:35,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:35,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556512597] [2024-11-28 02:08:35,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556512597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:35,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:35,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:08:35,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632695366] [2024-11-28 02:08:35,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:35,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:08:35,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:35,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:08:35,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:35,519 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:35,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 243 transitions, 3924 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:35,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:35,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:35,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:36,862 INFO L124 PetriNetUnfolderBase]: 860/1709 cut-off events. [2024-11-28 02:08:36,862 INFO L125 PetriNetUnfolderBase]: For 23700/23700 co-relation queries the response was YES. [2024-11-28 02:08:36,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10876 conditions, 1709 events. 860/1709 cut-off events. For 23700/23700 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10618 event pairs, 289 based on Foata normal form. 24/1733 useless extension candidates. Maximal degree in co-relation 10707. Up to 614 conditions per place. [2024-11-28 02:08:36,876 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 185 selfloop transitions, 80 changer transitions 60/325 dead transitions. [2024-11-28 02:08:36,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 325 transitions, 5411 flow [2024-11-28 02:08:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:08:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 02:08:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 211 transitions. [2024-11-28 02:08:36,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2820855614973262 [2024-11-28 02:08:36,878 INFO L175 Difference]: Start difference. First operand has 241 places, 243 transitions, 3924 flow. Second operand 22 states and 211 transitions. [2024-11-28 02:08:36,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 325 transitions, 5411 flow [2024-11-28 02:08:37,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 325 transitions, 5123 flow, removed 21 selfloop flow, removed 11 redundant places. [2024-11-28 02:08:37,043 INFO L231 Difference]: Finished difference. Result has 253 places, 212 transitions, 3425 flow [2024-11-28 02:08:37,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3656, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3425, PETRI_PLACES=253, PETRI_TRANSITIONS=212} [2024-11-28 02:08:37,044 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 218 predicate places. [2024-11-28 02:08:37,044 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 212 transitions, 3425 flow [2024-11-28 02:08:37,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:37,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:37,045 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:37,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:08:37,045 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:37,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash -564435451, now seen corresponding path program 3 times [2024-11-28 02:08:37,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:37,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661603183] [2024-11-28 02:08:37,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:08:37,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:37,075 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:08:37,075 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:37,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:37,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661603183] [2024-11-28 02:08:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661603183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:37,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:37,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809538389] [2024-11-28 02:08:37,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:37,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:37,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:37,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:37,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:37,736 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:37,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 212 transitions, 3425 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:37,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:37,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:37,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:39,297 INFO L124 PetriNetUnfolderBase]: 829/1664 cut-off events. [2024-11-28 02:08:39,297 INFO L125 PetriNetUnfolderBase]: For 24077/24077 co-relation queries the response was YES. [2024-11-28 02:08:39,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10300 conditions, 1664 events. 829/1664 cut-off events. For 24077/24077 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10406 event pairs, 249 based on Foata normal form. 28/1692 useless extension candidates. Maximal degree in co-relation 10133. Up to 625 conditions per place. [2024-11-28 02:08:39,311 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 165 selfloop transitions, 111 changer transitions 10/286 dead transitions. [2024-11-28 02:08:39,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 286 transitions, 4673 flow [2024-11-28 02:08:39,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 02:08:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-28 02:08:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 238 transitions. [2024-11-28 02:08:39,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.28 [2024-11-28 02:08:39,313 INFO L175 Difference]: Start difference. First operand has 253 places, 212 transitions, 3425 flow. Second operand 25 states and 238 transitions. [2024-11-28 02:08:39,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 286 transitions, 4673 flow [2024-11-28 02:08:39,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 286 transitions, 4353 flow, removed 52 selfloop flow, removed 25 redundant places. [2024-11-28 02:08:39,422 INFO L231 Difference]: Finished difference. Result has 240 places, 232 transitions, 3759 flow [2024-11-28 02:08:39,422 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3129, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3759, PETRI_PLACES=240, PETRI_TRANSITIONS=232} [2024-11-28 02:08:39,422 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 205 predicate places. [2024-11-28 02:08:39,423 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 232 transitions, 3759 flow [2024-11-28 02:08:39,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:39,423 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:39,423 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:39,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:08:39,423 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:39,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:39,424 INFO L85 PathProgramCache]: Analyzing trace with hash -708325982, now seen corresponding path program 5 times [2024-11-28 02:08:39,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:39,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209048129] [2024-11-28 02:08:39,424 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 02:08:39,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:39,450 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:39,450 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:39,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:39,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209048129] [2024-11-28 02:08:39,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209048129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:39,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:39,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:39,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998447543] [2024-11-28 02:08:39,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:39,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:39,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:39,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:39,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:39,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:39,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 232 transitions, 3759 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:39,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:39,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:39,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:40,903 INFO L124 PetriNetUnfolderBase]: 961/1960 cut-off events. [2024-11-28 02:08:40,903 INFO L125 PetriNetUnfolderBase]: For 22620/22620 co-relation queries the response was YES. [2024-11-28 02:08:40,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11264 conditions, 1960 events. 961/1960 cut-off events. For 22620/22620 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 13069 event pairs, 169 based on Foata normal form. 60/2020 useless extension candidates. Maximal degree in co-relation 10981. Up to 369 conditions per place. [2024-11-28 02:08:40,916 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 189 selfloop transitions, 98 changer transitions 32/319 dead transitions. [2024-11-28 02:08:40,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 319 transitions, 5023 flow [2024-11-28 02:08:40,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 02:08:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 02:08:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 228 transitions. [2024-11-28 02:08:40,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-11-28 02:08:40,918 INFO L175 Difference]: Start difference. First operand has 240 places, 232 transitions, 3759 flow. Second operand 21 states and 228 transitions. [2024-11-28 02:08:40,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 319 transitions, 5023 flow [2024-11-28 02:08:41,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 319 transitions, 4867 flow, removed 27 selfloop flow, removed 11 redundant places. [2024-11-28 02:08:41,024 INFO L231 Difference]: Finished difference. Result has 251 places, 216 transitions, 3531 flow [2024-11-28 02:08:41,024 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3569, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3531, PETRI_PLACES=251, PETRI_TRANSITIONS=216} [2024-11-28 02:08:41,025 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 216 predicate places. [2024-11-28 02:08:41,025 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 216 transitions, 3531 flow [2024-11-28 02:08:41,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:41,025 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:41,025 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:41,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:08:41,025 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:41,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:41,027 INFO L85 PathProgramCache]: Analyzing trace with hash -564220412, now seen corresponding path program 2 times [2024-11-28 02:08:41,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:41,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549079010] [2024-11-28 02:08:41,027 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:41,050 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:41,051 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:41,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:41,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549079010] [2024-11-28 02:08:41,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549079010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:41,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:41,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:41,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203801692] [2024-11-28 02:08:41,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:41,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:41,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:41,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:41,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:41,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:41,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 216 transitions, 3531 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:41,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:41,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:41,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:42,269 INFO L124 PetriNetUnfolderBase]: 811/1648 cut-off events. [2024-11-28 02:08:42,269 INFO L125 PetriNetUnfolderBase]: For 20020/20020 co-relation queries the response was YES. [2024-11-28 02:08:42,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10025 conditions, 1648 events. 811/1648 cut-off events. For 20020/20020 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10424 event pairs, 176 based on Foata normal form. 16/1664 useless extension candidates. Maximal degree in co-relation 9848. Up to 302 conditions per place. [2024-11-28 02:08:42,281 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 166 selfloop transitions, 105 changer transitions 0/271 dead transitions. [2024-11-28 02:08:42,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 271 transitions, 4492 flow [2024-11-28 02:08:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:08:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 02:08:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 195 transitions. [2024-11-28 02:08:42,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31862745098039214 [2024-11-28 02:08:42,282 INFO L175 Difference]: Start difference. First operand has 251 places, 216 transitions, 3531 flow. Second operand 18 states and 195 transitions. [2024-11-28 02:08:42,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 271 transitions, 4492 flow [2024-11-28 02:08:42,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 271 transitions, 4270 flow, removed 42 selfloop flow, removed 16 redundant places. [2024-11-28 02:08:42,374 INFO L231 Difference]: Finished difference. Result has 253 places, 221 transitions, 3704 flow [2024-11-28 02:08:42,374 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3335, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3704, PETRI_PLACES=253, PETRI_TRANSITIONS=221} [2024-11-28 02:08:42,375 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 218 predicate places. [2024-11-28 02:08:42,375 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 221 transitions, 3704 flow [2024-11-28 02:08:42,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:42,375 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:42,375 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:42,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:08:42,375 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:42,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash -564220411, now seen corresponding path program 2 times [2024-11-28 02:08:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:42,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019505419] [2024-11-28 02:08:42,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:08:42,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:42,396 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:42,397 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:42,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:42,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019505419] [2024-11-28 02:08:42,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019505419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:42,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:42,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:08:42,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524638081] [2024-11-28 02:08:42,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:42,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:08:42,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:42,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:08:42,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:42,987 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:42,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 221 transitions, 3704 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:42,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:42,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:42,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:44,219 INFO L124 PetriNetUnfolderBase]: 825/1686 cut-off events. [2024-11-28 02:08:44,219 INFO L125 PetriNetUnfolderBase]: For 19843/19843 co-relation queries the response was YES. [2024-11-28 02:08:44,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10307 conditions, 1686 events. 825/1686 cut-off events. For 19843/19843 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10683 event pairs, 301 based on Foata normal form. 16/1702 useless extension candidates. Maximal degree in co-relation 9868. Up to 900 conditions per place. [2024-11-28 02:08:44,229 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 156 selfloop transitions, 75 changer transitions 54/285 dead transitions. [2024-11-28 02:08:44,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 285 transitions, 4775 flow [2024-11-28 02:08:44,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 02:08:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-28 02:08:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 224 transitions. [2024-11-28 02:08:44,231 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27450980392156865 [2024-11-28 02:08:44,231 INFO L175 Difference]: Start difference. First operand has 253 places, 221 transitions, 3704 flow. Second operand 24 states and 224 transitions. [2024-11-28 02:08:44,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 285 transitions, 4775 flow [2024-11-28 02:08:44,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 285 transitions, 4469 flow, removed 10 selfloop flow, removed 14 redundant places. [2024-11-28 02:08:44,308 INFO L231 Difference]: Finished difference. Result has 264 places, 186 transitions, 3069 flow [2024-11-28 02:08:44,308 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3379, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3069, PETRI_PLACES=264, PETRI_TRANSITIONS=186} [2024-11-28 02:08:44,308 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 229 predicate places. [2024-11-28 02:08:44,308 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 186 transitions, 3069 flow [2024-11-28 02:08:44,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:44,309 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:44,309 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:44,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:08:44,309 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:44,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:44,309 INFO L85 PathProgramCache]: Analyzing trace with hash -710199932, now seen corresponding path program 6 times [2024-11-28 02:08:44,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:44,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331837950] [2024-11-28 02:08:44,310 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 02:08:44,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:44,330 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 02:08:44,330 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:44,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331837950] [2024-11-28 02:08:44,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331837950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:44,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:44,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:44,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973513517] [2024-11-28 02:08:44,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:44,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:44,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:44,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:44,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:44,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:44,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 186 transitions, 3069 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:44,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:44,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:44,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:45,726 INFO L124 PetriNetUnfolderBase]: 707/1460 cut-off events. [2024-11-28 02:08:45,727 INFO L125 PetriNetUnfolderBase]: For 16579/16579 co-relation queries the response was YES. [2024-11-28 02:08:45,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8718 conditions, 1460 events. 707/1460 cut-off events. For 16579/16579 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9087 event pairs, 239 based on Foata normal form. 22/1482 useless extension candidates. Maximal degree in co-relation 8391. Up to 761 conditions per place. [2024-11-28 02:08:45,780 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 156 selfloop transitions, 63 changer transitions 11/230 dead transitions. [2024-11-28 02:08:45,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 230 transitions, 3770 flow [2024-11-28 02:08:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:08:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 02:08:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 164 transitions. [2024-11-28 02:08:45,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3014705882352941 [2024-11-28 02:08:45,785 INFO L175 Difference]: Start difference. First operand has 264 places, 186 transitions, 3069 flow. Second operand 16 states and 164 transitions. [2024-11-28 02:08:45,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 230 transitions, 3770 flow [2024-11-28 02:08:45,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 230 transitions, 3439 flow, removed 36 selfloop flow, removed 31 redundant places. [2024-11-28 02:08:45,902 INFO L231 Difference]: Finished difference. Result has 236 places, 184 transitions, 2894 flow [2024-11-28 02:08:45,903 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2750, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2894, PETRI_PLACES=236, PETRI_TRANSITIONS=184} [2024-11-28 02:08:45,904 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 201 predicate places. [2024-11-28 02:08:45,904 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 184 transitions, 2894 flow [2024-11-28 02:08:45,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:45,904 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:45,904 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:45,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:08:45,905 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:45,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:45,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1980661334, now seen corresponding path program 7 times [2024-11-28 02:08:45,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:45,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926894330] [2024-11-28 02:08:45,906 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 02:08:45,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:46,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:46,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926894330] [2024-11-28 02:08:46,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926894330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:46,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189689151] [2024-11-28 02:08:46,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:46,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:46,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:46,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:46,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:46,274 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:46,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 184 transitions, 2894 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:46,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:46,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:46,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:47,151 INFO L124 PetriNetUnfolderBase]: 613/1278 cut-off events. [2024-11-28 02:08:47,151 INFO L125 PetriNetUnfolderBase]: For 11392/11392 co-relation queries the response was YES. [2024-11-28 02:08:47,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7263 conditions, 1278 events. 613/1278 cut-off events. For 11392/11392 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7806 event pairs, 61 based on Foata normal form. 48/1326 useless extension candidates. Maximal degree in co-relation 7116. Up to 334 conditions per place. [2024-11-28 02:08:47,160 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 125 selfloop transitions, 87 changer transitions 7/219 dead transitions. [2024-11-28 02:08:47,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 219 transitions, 3453 flow [2024-11-28 02:08:47,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:08:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 02:08:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 162 transitions. [2024-11-28 02:08:47,162 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2977941176470588 [2024-11-28 02:08:47,162 INFO L175 Difference]: Start difference. First operand has 236 places, 184 transitions, 2894 flow. Second operand 16 states and 162 transitions. [2024-11-28 02:08:47,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 219 transitions, 3453 flow [2024-11-28 02:08:47,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 219 transitions, 3325 flow, removed 13 selfloop flow, removed 13 redundant places. [2024-11-28 02:08:47,209 INFO L231 Difference]: Finished difference. Result has 234 places, 178 transitions, 2817 flow [2024-11-28 02:08:47,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2727, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2817, PETRI_PLACES=234, PETRI_TRANSITIONS=178} [2024-11-28 02:08:47,210 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 199 predicate places. [2024-11-28 02:08:47,210 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 178 transitions, 2817 flow [2024-11-28 02:08:47,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:47,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:47,211 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:47,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:08:47,211 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:47,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash 468389652, now seen corresponding path program 3 times [2024-11-28 02:08:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:47,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463640355] [2024-11-28 02:08:47,212 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:08:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:47,233 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:08:47,234 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:47,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:47,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463640355] [2024-11-28 02:08:47,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463640355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:47,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:47,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:08:47,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835378961] [2024-11-28 02:08:47,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:47,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:08:47,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:47,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:08:47,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:08:47,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:47,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 178 transitions, 2817 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:47,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:47,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:47,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:48,521 INFO L124 PetriNetUnfolderBase]: 605/1264 cut-off events. [2024-11-28 02:08:48,521 INFO L125 PetriNetUnfolderBase]: For 9965/9965 co-relation queries the response was YES. [2024-11-28 02:08:48,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7242 conditions, 1264 events. 605/1264 cut-off events. For 9965/9965 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7673 event pairs, 99 based on Foata normal form. 16/1280 useless extension candidates. Maximal degree in co-relation 6822. Up to 380 conditions per place. [2024-11-28 02:08:48,536 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 122 selfloop transitions, 99 changer transitions 0/221 dead transitions. [2024-11-28 02:08:48,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 221 transitions, 3492 flow [2024-11-28 02:08:48,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:08:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 02:08:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 168 transitions. [2024-11-28 02:08:48,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2906574394463668 [2024-11-28 02:08:48,538 INFO L175 Difference]: Start difference. First operand has 234 places, 178 transitions, 2817 flow. Second operand 17 states and 168 transitions. [2024-11-28 02:08:48,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 221 transitions, 3492 flow [2024-11-28 02:08:48,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 221 transitions, 3278 flow, removed 13 selfloop flow, removed 19 redundant places. [2024-11-28 02:08:48,584 INFO L231 Difference]: Finished difference. Result has 235 places, 185 transitions, 2983 flow [2024-11-28 02:08:48,584 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2603, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2983, PETRI_PLACES=235, PETRI_TRANSITIONS=185} [2024-11-28 02:08:48,585 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 200 predicate places. [2024-11-28 02:08:48,585 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 185 transitions, 2983 flow [2024-11-28 02:08:48,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:48,585 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:48,585 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:48,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 02:08:48,585 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:48,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:48,586 INFO L85 PathProgramCache]: Analyzing trace with hash 468389653, now seen corresponding path program 3 times [2024-11-28 02:08:48,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:48,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47843309] [2024-11-28 02:08:48,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:08:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:48,615 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:08:48,615 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:49,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:49,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47843309] [2024-11-28 02:08:49,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47843309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:49,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:49,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:08:49,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786530045] [2024-11-28 02:08:49,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:49,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:08:49,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:49,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:08:49,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:49,393 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:49,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 185 transitions, 2983 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:49,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:49,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:49,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:50,621 INFO L124 PetriNetUnfolderBase]: 652/1363 cut-off events. [2024-11-28 02:08:50,621 INFO L125 PetriNetUnfolderBase]: For 10999/10999 co-relation queries the response was YES. [2024-11-28 02:08:50,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7790 conditions, 1363 events. 652/1363 cut-off events. For 10999/10999 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8455 event pairs, 195 based on Foata normal form. 16/1379 useless extension candidates. Maximal degree in co-relation 7239. Up to 676 conditions per place. [2024-11-28 02:08:50,630 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 122 selfloop transitions, 100 changer transitions 37/259 dead transitions. [2024-11-28 02:08:50,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 259 transitions, 4158 flow [2024-11-28 02:08:50,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 02:08:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-28 02:08:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 247 transitions. [2024-11-28 02:08:50,632 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25945378151260506 [2024-11-28 02:08:50,632 INFO L175 Difference]: Start difference. First operand has 235 places, 185 transitions, 2983 flow. Second operand 28 states and 247 transitions. [2024-11-28 02:08:50,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 259 transitions, 4158 flow [2024-11-28 02:08:50,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 259 transitions, 4020 flow, removed 15 selfloop flow, removed 7 redundant places. [2024-11-28 02:08:50,673 INFO L231 Difference]: Finished difference. Result has 261 places, 191 transitions, 3205 flow [2024-11-28 02:08:50,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2859, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=3205, PETRI_PLACES=261, PETRI_TRANSITIONS=191} [2024-11-28 02:08:50,674 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 226 predicate places. [2024-11-28 02:08:50,674 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 191 transitions, 3205 flow [2024-11-28 02:08:50,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:50,674 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:50,674 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:50,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:08:50,674 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 461024773, now seen corresponding path program 4 times [2024-11-28 02:08:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:50,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669539587] [2024-11-28 02:08:50,675 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:08:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:50,694 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:08:50,694 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:51,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:51,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669539587] [2024-11-28 02:08:51,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669539587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:51,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:51,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:51,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670323629] [2024-11-28 02:08:51,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:51,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:51,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:51,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:51,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:51,180 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:51,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 191 transitions, 3205 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:51,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:51,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:51,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:52,113 INFO L124 PetriNetUnfolderBase]: 545/1158 cut-off events. [2024-11-28 02:08:52,113 INFO L125 PetriNetUnfolderBase]: For 9989/9989 co-relation queries the response was YES. [2024-11-28 02:08:52,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6726 conditions, 1158 events. 545/1158 cut-off events. For 9989/9989 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6979 event pairs, 231 based on Foata normal form. 38/1196 useless extension candidates. Maximal degree in co-relation 6405. Up to 533 conditions per place. [2024-11-28 02:08:52,119 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 125 selfloop transitions, 46 changer transitions 55/226 dead transitions. [2024-11-28 02:08:52,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 226 transitions, 3854 flow [2024-11-28 02:08:52,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 02:08:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 02:08:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 187 transitions. [2024-11-28 02:08:52,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2619047619047619 [2024-11-28 02:08:52,121 INFO L175 Difference]: Start difference. First operand has 261 places, 191 transitions, 3205 flow. Second operand 21 states and 187 transitions. [2024-11-28 02:08:52,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 226 transitions, 3854 flow [2024-11-28 02:08:52,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 226 transitions, 3542 flow, removed 12 selfloop flow, removed 25 redundant places. [2024-11-28 02:08:52,164 INFO L231 Difference]: Finished difference. Result has 248 places, 158 transitions, 2382 flow [2024-11-28 02:08:52,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2852, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2382, PETRI_PLACES=248, PETRI_TRANSITIONS=158} [2024-11-28 02:08:52,165 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 213 predicate places. [2024-11-28 02:08:52,165 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 158 transitions, 2382 flow [2024-11-28 02:08:52,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:52,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:52,165 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:52,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 02:08:52,166 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:52,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:52,166 INFO L85 PathProgramCache]: Analyzing trace with hash 728782212, now seen corresponding path program 4 times [2024-11-28 02:08:52,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:52,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896729782] [2024-11-28 02:08:52,166 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:08:52,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:52,184 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:08:52,184 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:52,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:52,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896729782] [2024-11-28 02:08:52,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896729782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:52,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:52,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:08:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878632629] [2024-11-28 02:08:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:52,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:08:52,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:52,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:08:52,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:52,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:52,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 158 transitions, 2382 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:52,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:52,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:52,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:53,687 INFO L124 PetriNetUnfolderBase]: 441/932 cut-off events. [2024-11-28 02:08:53,687 INFO L125 PetriNetUnfolderBase]: For 5733/5733 co-relation queries the response was YES. [2024-11-28 02:08:53,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5200 conditions, 932 events. 441/932 cut-off events. For 5733/5733 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5191 event pairs, 166 based on Foata normal form. 8/940 useless extension candidates. Maximal degree in co-relation 4800. Up to 543 conditions per place. [2024-11-28 02:08:53,691 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 137 selfloop transitions, 69 changer transitions 0/206 dead transitions. [2024-11-28 02:08:53,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 206 transitions, 2998 flow [2024-11-28 02:08:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 02:08:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-28 02:08:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 220 transitions. [2024-11-28 02:08:53,693 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.248868778280543 [2024-11-28 02:08:53,693 INFO L175 Difference]: Start difference. First operand has 248 places, 158 transitions, 2382 flow. Second operand 26 states and 220 transitions. [2024-11-28 02:08:53,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 206 transitions, 2998 flow [2024-11-28 02:08:53,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 206 transitions, 2550 flow, removed 53 selfloop flow, removed 34 redundant places. [2024-11-28 02:08:53,717 INFO L231 Difference]: Finished difference. Result has 227 places, 160 transitions, 2111 flow [2024-11-28 02:08:53,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1948, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=2111, PETRI_PLACES=227, PETRI_TRANSITIONS=160} [2024-11-28 02:08:53,718 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 192 predicate places. [2024-11-28 02:08:53,718 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 160 transitions, 2111 flow [2024-11-28 02:08:53,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:53,718 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:53,718 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:53,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 02:08:53,719 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:53,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:53,719 INFO L85 PathProgramCache]: Analyzing trace with hash 728782213, now seen corresponding path program 4 times [2024-11-28 02:08:53,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:53,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415064527] [2024-11-28 02:08:53,719 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:08:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:53,737 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:08:53,737 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:54,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:54,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415064527] [2024-11-28 02:08:54,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415064527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:54,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:54,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:08:54,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13829346] [2024-11-28 02:08:54,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:54,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:08:54,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:54,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:08:54,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:54,202 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:54,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 160 transitions, 2111 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:54,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:54,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:54,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:55,204 INFO L124 PetriNetUnfolderBase]: 431/914 cut-off events. [2024-11-28 02:08:55,205 INFO L125 PetriNetUnfolderBase]: For 2789/2789 co-relation queries the response was YES. [2024-11-28 02:08:55,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4743 conditions, 914 events. 431/914 cut-off events. For 2789/2789 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5078 event pairs, 124 based on Foata normal form. 8/922 useless extension candidates. Maximal degree in co-relation 4357. Up to 414 conditions per place. [2024-11-28 02:08:55,209 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 74 changer transitions 15/198 dead transitions. [2024-11-28 02:08:55,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 198 transitions, 2635 flow [2024-11-28 02:08:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 02:08:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-28 02:08:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 210 transitions. [2024-11-28 02:08:55,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24705882352941178 [2024-11-28 02:08:55,210 INFO L175 Difference]: Start difference. First operand has 227 places, 160 transitions, 2111 flow. Second operand 25 states and 210 transitions. [2024-11-28 02:08:55,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 198 transitions, 2635 flow [2024-11-28 02:08:55,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 198 transitions, 2394 flow, removed 16 selfloop flow, removed 24 redundant places. [2024-11-28 02:08:55,224 INFO L231 Difference]: Finished difference. Result has 225 places, 149 transitions, 1931 flow [2024-11-28 02:08:55,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1855, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=1931, PETRI_PLACES=225, PETRI_TRANSITIONS=149} [2024-11-28 02:08:55,225 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 190 predicate places. [2024-11-28 02:08:55,225 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 149 transitions, 1931 flow [2024-11-28 02:08:55,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:55,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:55,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:55,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 02:08:55,226 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:55,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:55,226 INFO L85 PathProgramCache]: Analyzing trace with hash 718057453, now seen corresponding path program 5 times [2024-11-28 02:08:55,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:55,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704655486] [2024-11-28 02:08:55,227 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 02:08:55,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:55,248 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:08:55,248 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:55,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:55,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704655486] [2024-11-28 02:08:55,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704655486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:55,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:55,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:08:55,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113973050] [2024-11-28 02:08:55,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:55,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:08:55,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:55,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:08:55,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:55,849 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:55,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 149 transitions, 1931 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:55,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:55,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:55,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:57,225 INFO L124 PetriNetUnfolderBase]: 429/920 cut-off events. [2024-11-28 02:08:57,225 INFO L125 PetriNetUnfolderBase]: For 2304/2304 co-relation queries the response was YES. [2024-11-28 02:08:57,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4511 conditions, 920 events. 429/920 cut-off events. For 2304/2304 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5204 event pairs, 126 based on Foata normal form. 16/936 useless extension candidates. Maximal degree in co-relation 4136. Up to 414 conditions per place. [2024-11-28 02:08:57,230 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 97 selfloop transitions, 60 changer transitions 36/193 dead transitions. [2024-11-28 02:08:57,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 193 transitions, 2457 flow [2024-11-28 02:08:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 02:08:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-28 02:08:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 228 transitions. [2024-11-28 02:08:57,231 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23949579831932774 [2024-11-28 02:08:57,232 INFO L175 Difference]: Start difference. First operand has 225 places, 149 transitions, 1931 flow. Second operand 28 states and 228 transitions. [2024-11-28 02:08:57,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 193 transitions, 2457 flow [2024-11-28 02:08:57,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 193 transitions, 2209 flow, removed 2 selfloop flow, removed 28 redundant places. [2024-11-28 02:08:57,250 INFO L231 Difference]: Finished difference. Result has 222 places, 134 transitions, 1662 flow [2024-11-28 02:08:57,250 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1690, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1662, PETRI_PLACES=222, PETRI_TRANSITIONS=134} [2024-11-28 02:08:57,251 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 187 predicate places. [2024-11-28 02:08:57,251 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 134 transitions, 1662 flow [2024-11-28 02:08:57,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:57,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:57,251 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:57,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 02:08:57,251 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:57,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash -2107322161, now seen corresponding path program 6 times [2024-11-28 02:08:57,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:57,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208430174] [2024-11-28 02:08:57,252 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 02:08:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:57,278 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 02:08:57,279 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:08:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:57,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:57,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208430174] [2024-11-28 02:08:57,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208430174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:57,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:57,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:08:57,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557446195] [2024-11-28 02:08:57,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:57,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:08:57,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:57,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:08:57,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:08:57,742 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:08:57,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 134 transitions, 1662 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:57,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:57,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:08:57,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:58,471 INFO L124 PetriNetUnfolderBase]: 345/756 cut-off events. [2024-11-28 02:08:58,472 INFO L125 PetriNetUnfolderBase]: For 1784/1784 co-relation queries the response was YES. [2024-11-28 02:08:58,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3737 conditions, 756 events. 345/756 cut-off events. For 1784/1784 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4085 event pairs, 111 based on Foata normal form. 24/780 useless extension candidates. Maximal degree in co-relation 3718. Up to 414 conditions per place. [2024-11-28 02:08:58,475 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 64 selfloop transitions, 36 changer transitions 50/150 dead transitions. [2024-11-28 02:08:58,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 150 transitions, 1959 flow [2024-11-28 02:08:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:08:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 02:08:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 156 transitions. [2024-11-28 02:08:58,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22941176470588234 [2024-11-28 02:08:58,477 INFO L175 Difference]: Start difference. First operand has 222 places, 134 transitions, 1662 flow. Second operand 20 states and 156 transitions. [2024-11-28 02:08:58,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 150 transitions, 1959 flow [2024-11-28 02:08:58,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 150 transitions, 1745 flow, removed 2 selfloop flow, removed 29 redundant places. [2024-11-28 02:08:58,489 INFO L231 Difference]: Finished difference. Result has 193 places, 90 transitions, 1066 flow [2024-11-28 02:08:58,489 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1066, PETRI_PLACES=193, PETRI_TRANSITIONS=90} [2024-11-28 02:08:58,489 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 158 predicate places. [2024-11-28 02:08:58,490 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 90 transitions, 1066 flow [2024-11-28 02:08:58,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:08:58,490 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:58,490 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:58,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 02:08:58,490 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:08:58,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:58,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1340752818, now seen corresponding path program 1 times [2024-11-28 02:08:58,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:58,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141591079] [2024-11-28 02:08:58,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:58,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:58,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141591079] [2024-11-28 02:08:58,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141591079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:58,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288710934] [2024-11-28 02:08:58,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:58,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:08:58,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:58,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:08:58,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:08:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:59,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 02:08:59,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:59,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:08:59,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 02:08:59,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-28 02:08:59,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:08:59,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 02:08:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:08:59,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:59,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2024-11-28 02:09:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:00,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288710934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:00,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:00,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 25 [2024-11-28 02:09:00,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413834517] [2024-11-28 02:09:00,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:00,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 02:09:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:00,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 02:09:00,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:09:00,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:09:00,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 90 transitions, 1066 flow. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:00,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:00,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:09:00,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:01,117 INFO L124 PetriNetUnfolderBase]: 244/551 cut-off events. [2024-11-28 02:09:01,117 INFO L125 PetriNetUnfolderBase]: For 1006/1006 co-relation queries the response was YES. [2024-11-28 02:09:01,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2654 conditions, 551 events. 244/551 cut-off events. For 1006/1006 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2773 event pairs, 137 based on Foata normal form. 6/557 useless extension candidates. Maximal degree in co-relation 2637. Up to 381 conditions per place. [2024-11-28 02:09:01,120 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 70 selfloop transitions, 30 changer transitions 22/122 dead transitions. [2024-11-28 02:09:01,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 122 transitions, 1438 flow [2024-11-28 02:09:01,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:09:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 02:09:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 127 transitions. [2024-11-28 02:09:01,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2668067226890756 [2024-11-28 02:09:01,122 INFO L175 Difference]: Start difference. First operand has 193 places, 90 transitions, 1066 flow. Second operand 14 states and 127 transitions. [2024-11-28 02:09:01,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 122 transitions, 1438 flow [2024-11-28 02:09:01,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 122 transitions, 1286 flow, removed 0 selfloop flow, removed 20 redundant places. [2024-11-28 02:09:01,126 INFO L231 Difference]: Finished difference. Result has 142 places, 83 transitions, 889 flow [2024-11-28 02:09:01,127 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=889, PETRI_PLACES=142, PETRI_TRANSITIONS=83} [2024-11-28 02:09:01,127 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-28 02:09:01,127 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 83 transitions, 889 flow [2024-11-28 02:09:01,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:01,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:01,127 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:01,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:09:01,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 02:09:01,328 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:09:01,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:01,328 INFO L85 PathProgramCache]: Analyzing trace with hash 422805618, now seen corresponding path program 2 times [2024-11-28 02:09:01,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:01,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262208238] [2024-11-28 02:09:01,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:09:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:01,353 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:09:01,353 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:09:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:01,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:01,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262208238] [2024-11-28 02:09:01,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262208238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:01,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585367071] [2024-11-28 02:09:01,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:09:01,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:01,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:01,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:01,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:09:02,002 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:09:02,003 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:09:02,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 02:09:02,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:02,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:09:02,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 02:09:02,323 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:02,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 23 [2024-11-28 02:09:02,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:02,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2024-11-28 02:09:02,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:02,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2024-11-28 02:09:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:02,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:02,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585367071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:02,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:02,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-11-28 02:09:02,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690823017] [2024-11-28 02:09:02,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:02,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 02:09:02,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:02,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 02:09:02,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=592, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:09:02,960 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:09:02,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 83 transitions, 889 flow. Second operand has 27 states, 27 states have (on average 5.666666666666667) internal successors, (153), 27 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:02,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:02,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:09:02,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:04,625 INFO L124 PetriNetUnfolderBase]: 194/447 cut-off events. [2024-11-28 02:09:04,625 INFO L125 PetriNetUnfolderBase]: For 492/492 co-relation queries the response was YES. [2024-11-28 02:09:04,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2000 conditions, 447 events. 194/447 cut-off events. For 492/492 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2147 event pairs, 26 based on Foata normal form. 24/471 useless extension candidates. Maximal degree in co-relation 1982. Up to 168 conditions per place. [2024-11-28 02:09:04,627 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 37 selfloop transitions, 48 changer transitions 39/124 dead transitions. [2024-11-28 02:09:04,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 124 transitions, 1218 flow [2024-11-28 02:09:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 02:09:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-28 02:09:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 218 transitions. [2024-11-28 02:09:04,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.21372549019607842 [2024-11-28 02:09:04,628 INFO L175 Difference]: Start difference. First operand has 142 places, 83 transitions, 889 flow. Second operand 30 states and 218 transitions. [2024-11-28 02:09:04,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 124 transitions, 1218 flow [2024-11-28 02:09:04,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 124 transitions, 1081 flow, removed 1 selfloop flow, removed 16 redundant places. [2024-11-28 02:09:04,631 INFO L231 Difference]: Finished difference. Result has 149 places, 69 transitions, 682 flow [2024-11-28 02:09:04,631 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=682, PETRI_PLACES=149, PETRI_TRANSITIONS=69} [2024-11-28 02:09:04,632 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 114 predicate places. [2024-11-28 02:09:04,632 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 69 transitions, 682 flow [2024-11-28 02:09:04,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.666666666666667) internal successors, (153), 27 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:04,632 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:04,632 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:04,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:09:04,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:04,833 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:09:04,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash 536997132, now seen corresponding path program 3 times [2024-11-28 02:09:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:04,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450923808] [2024-11-28 02:09:04,833 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:09:04,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:04,853 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 02:09:04,853 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:09:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:09:05,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450923808] [2024-11-28 02:09:05,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450923808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430242952] [2024-11-28 02:09:05,249 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:09:05,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:05,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:05,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:09:05,488 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 02:09:05,488 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:09:05,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 02:09:05,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:05,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:09:05,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 02:09:05,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-28 02:09:05,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:09:05,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 02:09:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:05,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:05,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2024-11-28 02:09:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:09:06,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430242952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:06,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:06,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 25 [2024-11-28 02:09:06,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065818705] [2024-11-28 02:09:06,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:06,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 02:09:06,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:06,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 02:09:06,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:09:06,229 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:09:06,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 69 transitions, 682 flow. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:06,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:06,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:09:06,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:07,538 INFO L124 PetriNetUnfolderBase]: 123/294 cut-off events. [2024-11-28 02:09:07,539 INFO L125 PetriNetUnfolderBase]: For 274/274 co-relation queries the response was YES. [2024-11-28 02:09:07,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1402 conditions, 294 events. 123/294 cut-off events. For 274/274 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1182 event pairs, 42 based on Foata normal form. 12/306 useless extension candidates. Maximal degree in co-relation 1387. Up to 129 conditions per place. [2024-11-28 02:09:07,540 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 28 selfloop transitions, 11 changer transitions 68/107 dead transitions. [2024-11-28 02:09:07,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 107 transitions, 1027 flow [2024-11-28 02:09:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 02:09:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 02:09:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 168 transitions. [2024-11-28 02:09:07,542 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2024-11-28 02:09:07,542 INFO L175 Difference]: Start difference. First operand has 149 places, 69 transitions, 682 flow. Second operand 21 states and 168 transitions. [2024-11-28 02:09:07,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 107 transitions, 1027 flow [2024-11-28 02:09:07,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 107 transitions, 914 flow, removed 9 selfloop flow, removed 18 redundant places. [2024-11-28 02:09:07,545 INFO L231 Difference]: Finished difference. Result has 127 places, 36 transitions, 312 flow [2024-11-28 02:09:07,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=312, PETRI_PLACES=127, PETRI_TRANSITIONS=36} [2024-11-28 02:09:07,546 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 92 predicate places. [2024-11-28 02:09:07,546 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 36 transitions, 312 flow [2024-11-28 02:09:07,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:07,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:09:07,547 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:07,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:09:07,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:07,747 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 02:09:07,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:07,748 INFO L85 PathProgramCache]: Analyzing trace with hash 156956044, now seen corresponding path program 4 times [2024-11-28 02:09:07,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:07,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633842014] [2024-11-28 02:09:07,748 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:09:07,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:07,768 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:09:07,768 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:09:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:09:08,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:08,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633842014] [2024-11-28 02:09:08,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633842014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:08,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361066423] [2024-11-28 02:09:08,206 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:09:08,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:09:08,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:09:08,208 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:09:08,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:09:08,434 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:09:08,434 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:09:08,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-28 02:09:08,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:08,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 02:09:08,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 02:09:08,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-28 02:09:08,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:09:08,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 02:09:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:09:08,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:08,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2024-11-28 02:09:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:09:09,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361066423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:09:09,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:09:09,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 25 [2024-11-28 02:09:09,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639205901] [2024-11-28 02:09:09,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:09:09,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 02:09:09,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:09,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 02:09:09,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:09:09,228 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 02:09:09,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 36 transitions, 312 flow. Second operand has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:09,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:09:09,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 02:09:09,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:09:10,157 INFO L124 PetriNetUnfolderBase]: 50/125 cut-off events. [2024-11-28 02:09:10,157 INFO L125 PetriNetUnfolderBase]: For 119/119 co-relation queries the response was YES. [2024-11-28 02:09:10,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 125 events. 50/125 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 351 event pairs, 0 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 537. Up to 44 conditions per place. [2024-11-28 02:09:10,158 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-28 02:09:10,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 48 transitions, 424 flow [2024-11-28 02:09:10,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:09:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 02:09:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 107 transitions. [2024-11-28 02:09:10,159 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.19669117647058823 [2024-11-28 02:09:10,159 INFO L175 Difference]: Start difference. First operand has 127 places, 36 transitions, 312 flow. Second operand 16 states and 107 transitions. [2024-11-28 02:09:10,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 48 transitions, 424 flow [2024-11-28 02:09:10,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 48 transitions, 346 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-28 02:09:10,161 INFO L231 Difference]: Finished difference. Result has 74 places, 0 transitions, 0 flow [2024-11-28 02:09:10,161 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=0, PETRI_PLACES=74, PETRI_TRANSITIONS=0} [2024-11-28 02:09:10,162 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 39 predicate places. [2024-11-28 02:09:10,162 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 0 transitions, 0 flow [2024-11-28 02:09:10,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:09:10,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-28 02:09:10,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-28 02:09:10,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 02:09:10,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 02:09:10,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 02:09:10,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 02:09:10,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 02:09:10,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 02:09:10,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:09:10,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-28 02:09:10,367 INFO L422 BasicCegarLoop]: Path program histogram: [7, 6, 4, 4, 4, 3, 2, 2, 1, 1, 1] [2024-11-28 02:09:10,372 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:09:10,372 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:09:10,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:09:10 BasicIcfg [2024-11-28 02:09:10,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:09:10,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:09:10,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:09:10,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:09:10,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:00" (3/4) ... [2024-11-28 02:09:10,381 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:09:10,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-28 02:09:10,389 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-11-28 02:09:10,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-28 02:09:10,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 02:09:10,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:09:10,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:09:10,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:09:10,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:09:10,497 INFO L158 Benchmark]: Toolchain (without parser) took 72139.64ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 104.1MB in the beginning and 41.0MB in the end (delta: 63.1MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2024-11-28 02:09:10,498 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:10,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.43ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 73.2MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 02:09:10,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.73ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:10,501 INFO L158 Benchmark]: Boogie Preprocessor took 57.25ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 67.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:09:10,502 INFO L158 Benchmark]: RCFGBuilder took 959.05ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 92.7MB in the end (delta: -25.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-28 02:09:10,503 INFO L158 Benchmark]: TraceAbstraction took 70254.01ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 91.9MB in the beginning and 46.6MB in the end (delta: 45.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-28 02:09:10,503 INFO L158 Benchmark]: Witness Printer took 117.73ms. Allocated memory is still 167.8MB. Free memory was 46.6MB in the beginning and 41.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:09:10,505 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.43ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 73.2MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.73ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.25ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 67.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 959.05ms. Allocated memory is still 142.6MB. Free memory was 67.7MB in the beginning and 92.7MB in the end (delta: -25.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 70254.01ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 91.9MB in the beginning and 46.6MB in the end (delta: 45.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Witness Printer took 117.73ms. Allocated memory is still 167.8MB. Free memory was 46.6MB in the beginning and 41.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 70.1s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 45.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3561 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3561 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 13.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 477 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14257 IncrementalHoareTripleChecker+Invalid, 14734 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 477 mSolverCounterUnsat, 1 mSDtfsCounter, 14257 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 131 SyntacticMatches, 6 SemanticMatches, 773 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3581 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5276occurred in iteration=13, InterpolantAutomatonStates: 658, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 538 NumberOfCodeBlocks, 538 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 559 ConstructedInterpolants, 4 QuantifiedInterpolants, 6255 SizeOfPredicates, 102 NumberOfNonLiveVariables, 748 ConjunctsInSsa, 210 ConjunctsInUnsatCore, 43 InterpolantComputations, 31 PerfectInterpolantSequences, 7/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:09:10,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3bda28-1e7d-427a-87d0-30ca4ed12965/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE