./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd --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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:33:39,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:33:39,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 16:33:39,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:33:39,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:33:39,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:33:39,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:33:39,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:33:39,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:33:39,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:33:39,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:33:39,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:33:39,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:33:39,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:33:39,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:33:39,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:33:39,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:33:39,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:33:39,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:33:39,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:33:39,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:33:39,299 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_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd 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 -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-13 16:33:39,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:33:39,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:33:39,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:33:39,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:33:39,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:33:39,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i Unable to find full path for "g++" [2024-11-13 16:33:41,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:33:42,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:33:42,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-13 16:33:42,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/data/10f45f1a4/e1aee37eb70540e0bb229e80afea766c/FLAG2d6254f3b [2024-11-13 16:33:42,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/data/10f45f1a4/e1aee37eb70540e0bb229e80afea766c [2024-11-13 16:33:42,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:33:42,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:33:42,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:33:42,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:33:42,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:33:42,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:33:42" (1/1) ... [2024-11-13 16:33:42,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cc103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:42, skipping insertion in model container [2024-11-13 16:33:42,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:33:42" (1/1) ... [2024-11-13 16:33:42,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:33:43,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:33:43,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:33:43,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:33:43,325 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:33:43,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43 WrapperNode [2024-11-13 16:33:43,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:33:43,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:33:43,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:33:43,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:33:43,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,399 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-13 16:33:43,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:33:43,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:33:43,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:33:43,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:33:43,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,430 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,463 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 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]. [2024-11-13 16:33:43,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:33:43,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:33:43,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:33:43,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:33:43,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (1/1) ... [2024-11-13 16:33:43,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:33:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:33:43,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:33:43,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:33:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-13 16:33:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-13 16:33:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 16:33:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:33:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:33:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:33:43,601 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:33:44,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:33:44,008 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:33:44,556 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:33:44,557 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:33:44,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:33:44,873 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:33:44,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:33:44 BoogieIcfgContainer [2024-11-13 16:33:44,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:33:44,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:33:44,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:33:44,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:33:44,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:33:42" (1/3) ... [2024-11-13 16:33:44,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b157a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:33:44, skipping insertion in model container [2024-11-13 16:33:44,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:33:43" (2/3) ... [2024-11-13 16:33:44,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b157a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:33:44, skipping insertion in model container [2024-11-13 16:33:44,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:33:44" (3/3) ... [2024-11-13 16:33:44,891 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-13 16:33:44,913 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:33:44,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG race-3_2-container_of-global.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-13 16:33:44,916 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:33:44,998 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 16:33:45,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-13 16:33:45,107 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-13 16:33:45,113 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:33:45,117 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 72 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. [2024-11-13 16:33:45,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-13 16:33:45,123 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-13 16:33:45,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:33:45,154 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;@45d64fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:33:45,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 16:33:45,168 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:33:45,168 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-13 16:33:45,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:33:45,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:45,170 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:45,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:45,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:45,177 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-11-13 16:33:45,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:45,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837648297] [2024-11-13 16:33:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:45,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:46,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:46,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837648297] [2024-11-13 16:33:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837648297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:46,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:46,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:33:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143854304] [2024-11-13 16:33:46,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:46,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:33:46,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:46,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:33:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:33:46,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:46,582 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) [2024-11-13 16:33:46,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:46,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:46,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:47,341 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-11-13 16:33:47,343 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-13 16:33:47,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 1310 events. 769/1310 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6493 event pairs, 367 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2572. Up to 850 conditions per place. [2024-11-13 16:33:47,358 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-13 16:33:47,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-13 16:33:47,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:33:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 16:33:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-13 16:33:47,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-13 16:33:47,375 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-13 16:33:47,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-13 16:33:47,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 16:33:47,388 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-13 16:33:47,390 INFO L260 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} [2024-11-13 16:33:47,395 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-13 16:33:47,396 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-13 16:33:47,397 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) [2024-11-13 16:33:47,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:47,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:47,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:33:47,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:47,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:47,399 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-11-13 16:33:47,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:47,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141539971] [2024-11-13 16:33:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:47,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:47,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141539971] [2024-11-13 16:33:47,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141539971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:47,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:47,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:33:47,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319356412] [2024-11-13 16:33:47,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:47,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:33:47,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:47,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:33:47,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:33:47,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:47,966 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) [2024-11-13 16:33:47,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:47,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:47,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:48,708 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-13 16:33:48,708 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-11-13 16:33:48,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8185 event pairs, 569 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2024-11-13 16:33:48,728 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-11-13 16:33:48,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-11-13 16:33:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:33:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 16:33:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-13 16:33:48,732 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-11-13 16:33:48,732 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-11-13 16:33:48,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-11-13 16:33:48,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:33:48,746 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-11-13 16:33:48,746 INFO L260 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=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=327, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-13 16:33:48,747 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-11-13 16:33:48,748 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-11-13 16:33:48,748 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) [2024-11-13 16:33:48,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:48,748 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:48,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:33:48,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:48,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-11-13 16:33:48,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:48,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274437852] [2024-11-13 16:33:48,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:49,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:49,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274437852] [2024-11-13 16:33:49,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274437852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:49,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:49,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:33:49,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899534803] [2024-11-13 16:33:49,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:49,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:33:49,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:49,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:33:49,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:33:49,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:49,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 327 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) [2024-11-13 16:33:49,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:49,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:49,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:50,995 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-11-13 16:33:50,995 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-11-13 16:33:51,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6072 conditions, 2023 events. 1170/2023 cut-off events. For 1932/1943 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11433 event pairs, 391 based on Foata normal form. 69/1950 useless extension candidates. Maximal degree in co-relation 5974. Up to 1101 conditions per place. [2024-11-13 16:33:51,012 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 47 changer transitions 7/135 dead transitions. [2024-11-13 16:33:51,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 135 transitions, 884 flow [2024-11-13 16:33:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 16:33:51,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 16:33:51,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 194 transitions. [2024-11-13 16:33:51,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3356401384083045 [2024-11-13 16:33:51,015 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 17 states and 194 transitions. [2024-11-13 16:33:51,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 135 transitions, 884 flow [2024-11-13 16:33:51,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 135 transitions, 882 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:33:51,028 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 557 flow [2024-11-13 16:33:51,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=557, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2024-11-13 16:33:51,030 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 41 predicate places. [2024-11-13 16:33:51,030 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 557 flow [2024-11-13 16:33:51,030 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) [2024-11-13 16:33:51,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:51,031 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:51,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:33:51,031 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:51,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:51,032 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-11-13 16:33:51,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:51,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402278029] [2024-11-13 16:33:51,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:51,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:51,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:51,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402278029] [2024-11-13 16:33:51,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402278029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:51,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:51,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:33:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277664738] [2024-11-13 16:33:51,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:51,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:33:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:51,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:33:51,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:33:51,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:51,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 78 transitions, 557 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) [2024-11-13 16:33:51,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:51,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:51,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:53,144 INFO L124 PetriNetUnfolderBase]: 1472/2573 cut-off events. [2024-11-13 16:33:53,144 INFO L125 PetriNetUnfolderBase]: For 5369/5380 co-relation queries the response was YES. [2024-11-13 16:33:53,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9302 conditions, 2573 events. 1472/2573 cut-off events. For 5369/5380 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 15526 event pairs, 690 based on Foata normal form. 87/2498 useless extension candidates. Maximal degree in co-relation 9190. Up to 1308 conditions per place. [2024-11-13 16:33:53,170 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 89 selfloop transitions, 61 changer transitions 6/157 dead transitions. [2024-11-13 16:33:53,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 157 transitions, 1350 flow [2024-11-13 16:33:53,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:33:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 16:33:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 177 transitions. [2024-11-13 16:33:53,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37184873949579833 [2024-11-13 16:33:53,173 INFO L175 Difference]: Start difference. First operand has 76 places, 78 transitions, 557 flow. Second operand 14 states and 177 transitions. [2024-11-13 16:33:53,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 157 transitions, 1350 flow [2024-11-13 16:33:53,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 157 transitions, 1179 flow, removed 22 selfloop flow, removed 13 redundant places. [2024-11-13 16:33:53,196 INFO L231 Difference]: Finished difference. Result has 83 places, 103 transitions, 865 flow [2024-11-13 16:33:53,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=865, PETRI_PLACES=83, PETRI_TRANSITIONS=103} [2024-11-13 16:33:53,197 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 48 predicate places. [2024-11-13 16:33:53,197 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 103 transitions, 865 flow [2024-11-13 16:33:53,198 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) [2024-11-13 16:33:53,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:53,198 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:53,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:33:53,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:53,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash -31858585, now seen corresponding path program 2 times [2024-11-13 16:33:53,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:53,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602868622] [2024-11-13 16:33:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:53,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:53,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602868622] [2024-11-13 16:33:53,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602868622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:53,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:53,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:33:53,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329652118] [2024-11-13 16:33:53,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:53,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:33:53,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:53,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:33:53,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:33:53,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:53,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 103 transitions, 865 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) [2024-11-13 16:33:53,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:53,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:53,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:55,373 INFO L124 PetriNetUnfolderBase]: 1492/2648 cut-off events. [2024-11-13 16:33:55,373 INFO L125 PetriNetUnfolderBase]: For 8143/8149 co-relation queries the response was YES. [2024-11-13 16:33:55,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10657 conditions, 2648 events. 1492/2648 cut-off events. For 8143/8149 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 16360 event pairs, 658 based on Foata normal form. 62/2546 useless extension candidates. Maximal degree in co-relation 10532. Up to 1324 conditions per place. [2024-11-13 16:33:55,403 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 82 selfloop transitions, 66 changer transitions 9/158 dead transitions. [2024-11-13 16:33:55,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 158 transitions, 1451 flow [2024-11-13 16:33:55,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 16:33:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 16:33:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 193 transitions. [2024-11-13 16:33:55,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33391003460207613 [2024-11-13 16:33:55,407 INFO L175 Difference]: Start difference. First operand has 83 places, 103 transitions, 865 flow. Second operand 17 states and 193 transitions. [2024-11-13 16:33:55,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 158 transitions, 1451 flow [2024-11-13 16:33:55,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 158 transitions, 1403 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-13 16:33:55,441 INFO L231 Difference]: Finished difference. Result has 98 places, 106 transitions, 1031 flow [2024-11-13 16:33:55,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1031, PETRI_PLACES=98, PETRI_TRANSITIONS=106} [2024-11-13 16:33:55,442 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 63 predicate places. [2024-11-13 16:33:55,443 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 106 transitions, 1031 flow [2024-11-13 16:33:55,443 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) [2024-11-13 16:33:55,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:55,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:55,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:33:55,444 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:55,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:55,444 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 3 times [2024-11-13 16:33:55,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:55,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366125806] [2024-11-13 16:33:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:56,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:56,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366125806] [2024-11-13 16:33:56,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366125806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:56,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:56,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:33:56,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573956090] [2024-11-13 16:33:56,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:56,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:33:56,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:56,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:33:56,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:33:56,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:56,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 106 transitions, 1031 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) [2024-11-13 16:33:56,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:56,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:56,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:57,385 INFO L124 PetriNetUnfolderBase]: 1387/2485 cut-off events. [2024-11-13 16:33:57,386 INFO L125 PetriNetUnfolderBase]: For 9079/9079 co-relation queries the response was YES. [2024-11-13 16:33:57,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10461 conditions, 2485 events. 1387/2485 cut-off events. For 9079/9079 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 15295 event pairs, 713 based on Foata normal form. 58/2401 useless extension candidates. Maximal degree in co-relation 10301. Up to 1526 conditions per place. [2024-11-13 16:33:57,421 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 112 selfloop transitions, 59 changer transitions 8/180 dead transitions. [2024-11-13 16:33:57,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 180 transitions, 1916 flow [2024-11-13 16:33:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:33:57,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 16:33:57,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 173 transitions. [2024-11-13 16:33:57,427 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3634453781512605 [2024-11-13 16:33:57,427 INFO L175 Difference]: Start difference. First operand has 98 places, 106 transitions, 1031 flow. Second operand 14 states and 173 transitions. [2024-11-13 16:33:57,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 180 transitions, 1916 flow [2024-11-13 16:33:57,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 180 transitions, 1760 flow, removed 21 selfloop flow, removed 13 redundant places. [2024-11-13 16:33:57,472 INFO L231 Difference]: Finished difference. Result has 105 places, 127 transitions, 1337 flow [2024-11-13 16:33:57,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1337, PETRI_PLACES=105, PETRI_TRANSITIONS=127} [2024-11-13 16:33:57,476 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 70 predicate places. [2024-11-13 16:33:57,476 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 127 transitions, 1337 flow [2024-11-13 16:33:57,476 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) [2024-11-13 16:33:57,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:57,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:57,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:33:57,477 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:57,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash 162080601, now seen corresponding path program 2 times [2024-11-13 16:33:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:57,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411125230] [2024-11-13 16:33:57,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:57,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:58,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:58,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411125230] [2024-11-13 16:33:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411125230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:58,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:58,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:33:58,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959634590] [2024-11-13 16:33:58,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:58,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:33:58,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:58,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:33:58,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:33:58,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:33:58,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 127 transitions, 1337 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) [2024-11-13 16:33:58,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:58,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:33:58,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:33:59,622 INFO L124 PetriNetUnfolderBase]: 1403/2565 cut-off events. [2024-11-13 16:33:59,622 INFO L125 PetriNetUnfolderBase]: For 12746/12753 co-relation queries the response was YES. [2024-11-13 16:33:59,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11718 conditions, 2565 events. 1403/2565 cut-off events. For 12746/12753 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 16310 event pairs, 670 based on Foata normal form. 56/2485 useless extension candidates. Maximal degree in co-relation 11582. Up to 1475 conditions per place. [2024-11-13 16:33:59,653 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 104 selfloop transitions, 71 changer transitions 7/183 dead transitions. [2024-11-13 16:33:59,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 183 transitions, 2031 flow [2024-11-13 16:33:59,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 16:33:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 16:33:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 195 transitions. [2024-11-13 16:33:59,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3373702422145329 [2024-11-13 16:33:59,657 INFO L175 Difference]: Start difference. First operand has 105 places, 127 transitions, 1337 flow. Second operand 17 states and 195 transitions. [2024-11-13 16:33:59,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 183 transitions, 2031 flow [2024-11-13 16:33:59,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 183 transitions, 1895 flow, removed 36 selfloop flow, removed 7 redundant places. [2024-11-13 16:33:59,715 INFO L231 Difference]: Finished difference. Result has 117 places, 130 transitions, 1443 flow [2024-11-13 16:33:59,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1226, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1443, PETRI_PLACES=117, PETRI_TRANSITIONS=130} [2024-11-13 16:33:59,718 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-11-13 16:33:59,720 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 130 transitions, 1443 flow [2024-11-13 16:33:59,720 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) [2024-11-13 16:33:59,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:33:59,721 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:33:59,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:33:59,721 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:33:59,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:33:59,722 INFO L85 PathProgramCache]: Analyzing trace with hash 982595489, now seen corresponding path program 1 times [2024-11-13 16:33:59,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:33:59,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758727570] [2024-11-13 16:33:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:33:59,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:33:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:33:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:33:59,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:33:59,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758727570] [2024-11-13 16:33:59,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758727570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:33:59,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:33:59,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:33:59,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379200552] [2024-11-13 16:33:59,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:33:59,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:33:59,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:33:59,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:33:59,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:33:59,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-13 16:33:59,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 130 transitions, 1443 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) [2024-11-13 16:33:59,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:33:59,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-13 16:33:59,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:00,331 INFO L124 PetriNetUnfolderBase]: 694/1305 cut-off events. [2024-11-13 16:34:00,332 INFO L125 PetriNetUnfolderBase]: For 6609/6609 co-relation queries the response was YES. [2024-11-13 16:34:00,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5774 conditions, 1305 events. 694/1305 cut-off events. For 6609/6609 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7735 event pairs, 50 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 5623. Up to 756 conditions per place. [2024-11-13 16:34:00,349 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 201 selfloop transitions, 7 changer transitions 6/214 dead transitions. [2024-11-13 16:34:00,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 214 transitions, 2806 flow [2024-11-13 16:34:00,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:34:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 16:34:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-13 16:34:00,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-13 16:34:00,352 INFO L175 Difference]: Start difference. First operand has 117 places, 130 transitions, 1443 flow. Second operand 4 states and 66 transitions. [2024-11-13 16:34:00,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 214 transitions, 2806 flow [2024-11-13 16:34:00,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 214 transitions, 2636 flow, removed 13 selfloop flow, removed 13 redundant places. [2024-11-13 16:34:00,389 INFO L231 Difference]: Finished difference. Result has 104 places, 90 transitions, 864 flow [2024-11-13 16:34:00,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=864, PETRI_PLACES=104, PETRI_TRANSITIONS=90} [2024-11-13 16:34:00,390 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 69 predicate places. [2024-11-13 16:34:00,394 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 90 transitions, 864 flow [2024-11-13 16:34:00,394 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) [2024-11-13 16:34:00,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:00,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:00,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:34:00,395 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:00,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:00,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1440433600, now seen corresponding path program 1 times [2024-11-13 16:34:00,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:00,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026341522] [2024-11-13 16:34:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:01,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:01,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026341522] [2024-11-13 16:34:01,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026341522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:01,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:01,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:34:01,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855912829] [2024-11-13 16:34:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:01,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:34:01,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:34:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:34:01,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:01,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 90 transitions, 864 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) [2024-11-13 16:34:01,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:01,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:01,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:01,860 INFO L124 PetriNetUnfolderBase]: 604/1147 cut-off events. [2024-11-13 16:34:01,860 INFO L125 PetriNetUnfolderBase]: For 4921/4921 co-relation queries the response was YES. [2024-11-13 16:34:01,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5443 conditions, 1147 events. 604/1147 cut-off events. For 4921/4921 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6221 event pairs, 153 based on Foata normal form. 0/1077 useless extension candidates. Maximal degree in co-relation 5309. Up to 306 conditions per place. [2024-11-13 16:34:01,874 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 103 selfloop transitions, 37 changer transitions 0/140 dead transitions. [2024-11-13 16:34:01,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 140 transitions, 1379 flow [2024-11-13 16:34:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:34:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 16:34:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-11-13 16:34:01,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-11-13 16:34:01,877 INFO L175 Difference]: Start difference. First operand has 104 places, 90 transitions, 864 flow. Second operand 11 states and 134 transitions. [2024-11-13 16:34:01,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 140 transitions, 1379 flow [2024-11-13 16:34:01,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 140 transitions, 1334 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-13 16:34:01,912 INFO L231 Difference]: Finished difference. Result has 115 places, 92 transitions, 964 flow [2024-11-13 16:34:01,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=964, PETRI_PLACES=115, PETRI_TRANSITIONS=92} [2024-11-13 16:34:01,915 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 80 predicate places. [2024-11-13 16:34:01,915 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 92 transitions, 964 flow [2024-11-13 16:34:01,915 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) [2024-11-13 16:34:01,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:01,916 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:01,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:34:01,916 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:01,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-11-13 16:34:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:01,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25894000] [2024-11-13 16:34:01,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:02,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:02,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25894000] [2024-11-13 16:34:02,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25894000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:02,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:02,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:34:02,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676434803] [2024-11-13 16:34:02,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:02,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:34:02,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:02,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:34:02,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:34:02,824 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:02,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 92 transitions, 964 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) [2024-11-13 16:34:02,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:02,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:02,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:04,613 INFO L124 PetriNetUnfolderBase]: 658/1253 cut-off events. [2024-11-13 16:34:04,614 INFO L125 PetriNetUnfolderBase]: For 6546/6546 co-relation queries the response was YES. [2024-11-13 16:34:04,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5939 conditions, 1253 events. 658/1253 cut-off events. For 6546/6546 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7076 event pairs, 104 based on Foata normal form. 30/1243 useless extension candidates. Maximal degree in co-relation 5796. Up to 444 conditions per place. [2024-11-13 16:34:04,630 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 67 changer transitions 22/196 dead transitions. [2024-11-13 16:34:04,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 196 transitions, 1832 flow [2024-11-13 16:34:04,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 16:34:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-13 16:34:04,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-11-13 16:34:04,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-13 16:34:04,634 INFO L175 Difference]: Start difference. First operand has 115 places, 92 transitions, 964 flow. Second operand 28 states and 272 transitions. [2024-11-13 16:34:04,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 196 transitions, 1832 flow [2024-11-13 16:34:04,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 196 transitions, 1765 flow, removed 13 selfloop flow, removed 4 redundant places. [2024-11-13 16:34:04,681 INFO L231 Difference]: Finished difference. Result has 144 places, 101 transitions, 1172 flow [2024-11-13 16:34:04,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1172, PETRI_PLACES=144, PETRI_TRANSITIONS=101} [2024-11-13 16:34:04,682 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 109 predicate places. [2024-11-13 16:34:04,682 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 101 transitions, 1172 flow [2024-11-13 16:34:04,683 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) [2024-11-13 16:34:04,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:04,683 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:04,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:34:04,683 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:04,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:04,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1747722832, now seen corresponding path program 2 times [2024-11-13 16:34:04,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:04,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229397572] [2024-11-13 16:34:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:05,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229397572] [2024-11-13 16:34:05,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229397572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:05,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:05,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:34:05,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955967186] [2024-11-13 16:34:05,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:05,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:34:05,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:34:05,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:34:05,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:05,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 101 transitions, 1172 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) [2024-11-13 16:34:05,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:05,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:05,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:06,166 INFO L124 PetriNetUnfolderBase]: 598/1143 cut-off events. [2024-11-13 16:34:06,167 INFO L125 PetriNetUnfolderBase]: For 7595/7595 co-relation queries the response was YES. [2024-11-13 16:34:06,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5775 conditions, 1143 events. 598/1143 cut-off events. For 7595/7595 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6259 event pairs, 203 based on Foata normal form. 20/1123 useless extension candidates. Maximal degree in co-relation 5657. Up to 450 conditions per place. [2024-11-13 16:34:06,180 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 102 selfloop transitions, 31 changer transitions 18/151 dead transitions. [2024-11-13 16:34:06,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 151 transitions, 1698 flow [2024-11-13 16:34:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:34:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 16:34:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 137 transitions. [2024-11-13 16:34:06,183 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3663101604278075 [2024-11-13 16:34:06,183 INFO L175 Difference]: Start difference. First operand has 144 places, 101 transitions, 1172 flow. Second operand 11 states and 137 transitions. [2024-11-13 16:34:06,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 151 transitions, 1698 flow [2024-11-13 16:34:06,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 151 transitions, 1583 flow, removed 23 selfloop flow, removed 16 redundant places. [2024-11-13 16:34:06,221 INFO L231 Difference]: Finished difference. Result has 136 places, 93 transitions, 1031 flow [2024-11-13 16:34:06,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1031, PETRI_PLACES=136, PETRI_TRANSITIONS=93} [2024-11-13 16:34:06,223 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-13 16:34:06,223 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 93 transitions, 1031 flow [2024-11-13 16:34:06,223 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) [2024-11-13 16:34:06,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:06,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:06,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:34:06,224 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:06,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:06,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-11-13 16:34:06,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:06,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839933702] [2024-11-13 16:34:06,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:06,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:06,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:06,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839933702] [2024-11-13 16:34:06,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839933702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:06,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:06,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:34:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864872868] [2024-11-13 16:34:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:06,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:34:06,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:06,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:34:06,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:34:06,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:06,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 93 transitions, 1031 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:06,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:06,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:06,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:07,223 INFO L124 PetriNetUnfolderBase]: 600/1157 cut-off events. [2024-11-13 16:34:07,224 INFO L125 PetriNetUnfolderBase]: For 6612/6612 co-relation queries the response was YES. [2024-11-13 16:34:07,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5625 conditions, 1157 events. 600/1157 cut-off events. For 6612/6612 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6406 event pairs, 223 based on Foata normal form. 0/1133 useless extension candidates. Maximal degree in co-relation 5530. Up to 352 conditions per place. [2024-11-13 16:34:07,238 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 105 selfloop transitions, 24 changer transitions 0/129 dead transitions. [2024-11-13 16:34:07,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 129 transitions, 1487 flow [2024-11-13 16:34:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:34:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-13 16:34:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 104 transitions. [2024-11-13 16:34:07,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38235294117647056 [2024-11-13 16:34:07,241 INFO L175 Difference]: Start difference. First operand has 136 places, 93 transitions, 1031 flow. Second operand 8 states and 104 transitions. [2024-11-13 16:34:07,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 129 transitions, 1487 flow [2024-11-13 16:34:07,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 129 transitions, 1420 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-13 16:34:07,277 INFO L231 Difference]: Finished difference. Result has 133 places, 95 transitions, 1071 flow [2024-11-13 16:34:07,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=970, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1071, PETRI_PLACES=133, PETRI_TRANSITIONS=95} [2024-11-13 16:34:07,280 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 98 predicate places. [2024-11-13 16:34:07,281 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 95 transitions, 1071 flow [2024-11-13 16:34:07,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:07,281 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:07,281 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:07,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:34:07,281 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:07,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:07,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-11-13 16:34:07,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:07,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538234396] [2024-11-13 16:34:07,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:07,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:07,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538234396] [2024-11-13 16:34:07,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538234396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:07,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:07,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:34:07,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586936475] [2024-11-13 16:34:07,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:07,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:34:07,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:07,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:34:07,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:34:07,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:07,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 95 transitions, 1071 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) [2024-11-13 16:34:07,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:07,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:07,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:09,369 INFO L124 PetriNetUnfolderBase]: 624/1213 cut-off events. [2024-11-13 16:34:09,369 INFO L125 PetriNetUnfolderBase]: For 8757/8757 co-relation queries the response was YES. [2024-11-13 16:34:09,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6024 conditions, 1213 events. 624/1213 cut-off events. For 8757/8757 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6892 event pairs, 205 based on Foata normal form. 32/1245 useless extension candidates. Maximal degree in co-relation 5930. Up to 398 conditions per place. [2024-11-13 16:34:09,384 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 79 selfloop transitions, 41 changer transitions 36/156 dead transitions. [2024-11-13 16:34:09,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 156 transitions, 1672 flow [2024-11-13 16:34:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 16:34:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-13 16:34:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 199 transitions. [2024-11-13 16:34:09,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2926470588235294 [2024-11-13 16:34:09,387 INFO L175 Difference]: Start difference. First operand has 133 places, 95 transitions, 1071 flow. Second operand 20 states and 199 transitions. [2024-11-13 16:34:09,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 156 transitions, 1672 flow [2024-11-13 16:34:09,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 156 transitions, 1632 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-13 16:34:09,428 INFO L231 Difference]: Finished difference. Result has 151 places, 83 transitions, 975 flow [2024-11-13 16:34:09,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1016, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=975, PETRI_PLACES=151, PETRI_TRANSITIONS=83} [2024-11-13 16:34:09,429 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-13 16:34:09,429 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 83 transitions, 975 flow [2024-11-13 16:34:09,429 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) [2024-11-13 16:34:09,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:09,430 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:09,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:34:09,430 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:09,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:09,430 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-11-13 16:34:09,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:09,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50657412] [2024-11-13 16:34:09,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:10,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:10,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50657412] [2024-11-13 16:34:10,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50657412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:10,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:10,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:34:10,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143877560] [2024-11-13 16:34:10,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:10,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:34:10,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:34:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:34:10,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:10,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 83 transitions, 975 flow. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:10,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:10,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:10,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:10,955 INFO L124 PetriNetUnfolderBase]: 491/952 cut-off events. [2024-11-13 16:34:10,956 INFO L125 PetriNetUnfolderBase]: For 6939/6939 co-relation queries the response was YES. [2024-11-13 16:34:10,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4925 conditions, 952 events. 491/952 cut-off events. For 6939/6939 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5027 event pairs, 96 based on Foata normal form. 10/962 useless extension candidates. Maximal degree in co-relation 4848. Up to 326 conditions per place. [2024-11-13 16:34:10,967 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 81 selfloop transitions, 50 changer transitions 2/133 dead transitions. [2024-11-13 16:34:10,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 133 transitions, 1452 flow [2024-11-13 16:34:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 16:34:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-13 16:34:10,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 182 transitions. [2024-11-13 16:34:10,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28173374613003094 [2024-11-13 16:34:10,972 INFO L175 Difference]: Start difference. First operand has 151 places, 83 transitions, 975 flow. Second operand 19 states and 182 transitions. [2024-11-13 16:34:10,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 133 transitions, 1452 flow [2024-11-13 16:34:11,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 1280 flow, removed 22 selfloop flow, removed 24 redundant places. [2024-11-13 16:34:11,005 INFO L231 Difference]: Finished difference. Result has 138 places, 87 transitions, 985 flow [2024-11-13 16:34:11,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=985, PETRI_PLACES=138, PETRI_TRANSITIONS=87} [2024-11-13 16:34:11,008 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 103 predicate places. [2024-11-13 16:34:11,008 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 87 transitions, 985 flow [2024-11-13 16:34:11,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:11,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:11,009 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:11,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:34:11,009 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:11,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:11,010 INFO L85 PathProgramCache]: Analyzing trace with hash -551526518, now seen corresponding path program 3 times [2024-11-13 16:34:11,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:11,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348728831] [2024-11-13 16:34:11,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:11,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:11,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:11,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348728831] [2024-11-13 16:34:11,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348728831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:11,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:34:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931061575] [2024-11-13 16:34:11,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:11,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:34:11,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:11,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:34:11,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:34:11,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:11,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 87 transitions, 985 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:11,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:11,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:11,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:11,880 INFO L124 PetriNetUnfolderBase]: 467/908 cut-off events. [2024-11-13 16:34:11,880 INFO L125 PetriNetUnfolderBase]: For 5434/5434 co-relation queries the response was YES. [2024-11-13 16:34:11,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4613 conditions, 908 events. 467/908 cut-off events. For 5434/5434 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4731 event pairs, 171 based on Foata normal form. 20/928 useless extension candidates. Maximal degree in co-relation 4541. Up to 405 conditions per place. [2024-11-13 16:34:11,886 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 68 selfloop transitions, 12 changer transitions 39/119 dead transitions. [2024-11-13 16:34:11,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 119 transitions, 1308 flow [2024-11-13 16:34:11,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:34:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 16:34:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 108 transitions. [2024-11-13 16:34:11,889 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35294117647058826 [2024-11-13 16:34:11,889 INFO L175 Difference]: Start difference. First operand has 138 places, 87 transitions, 985 flow. Second operand 9 states and 108 transitions. [2024-11-13 16:34:11,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 119 transitions, 1308 flow [2024-11-13 16:34:11,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 119 transitions, 1229 flow, removed 5 selfloop flow, removed 14 redundant places. [2024-11-13 16:34:11,912 INFO L231 Difference]: Finished difference. Result has 132 places, 64 transitions, 693 flow [2024-11-13 16:34:11,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=693, PETRI_PLACES=132, PETRI_TRANSITIONS=64} [2024-11-13 16:34:11,914 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 97 predicate places. [2024-11-13 16:34:11,914 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 64 transitions, 693 flow [2024-11-13 16:34:11,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:11,914 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:11,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:11,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:34:11,915 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:11,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:11,915 INFO L85 PathProgramCache]: Analyzing trace with hash -578070547, now seen corresponding path program 2 times [2024-11-13 16:34:11,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:11,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396683718] [2024-11-13 16:34:11,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:12,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:12,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396683718] [2024-11-13 16:34:12,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396683718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:12,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:12,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:34:12,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832830788] [2024-11-13 16:34:12,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:12,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:34:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:12,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:34:12,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:34:12,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:12,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 64 transitions, 693 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) [2024-11-13 16:34:12,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:12,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:12,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:13,513 INFO L124 PetriNetUnfolderBase]: 436/845 cut-off events. [2024-11-13 16:34:13,513 INFO L125 PetriNetUnfolderBase]: For 5210/5210 co-relation queries the response was YES. [2024-11-13 16:34:13,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4255 conditions, 845 events. 436/845 cut-off events. For 5210/5210 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4401 event pairs, 82 based on Foata normal form. 24/869 useless extension candidates. Maximal degree in co-relation 4205. Up to 290 conditions per place. [2024-11-13 16:34:13,522 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 61 selfloop transitions, 39 changer transitions 7/107 dead transitions. [2024-11-13 16:34:13,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 107 transitions, 1132 flow [2024-11-13 16:34:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 16:34:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 16:34:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 154 transitions. [2024-11-13 16:34:13,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2664359861591695 [2024-11-13 16:34:13,525 INFO L175 Difference]: Start difference. First operand has 132 places, 64 transitions, 693 flow. Second operand 17 states and 154 transitions. [2024-11-13 16:34:13,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 107 transitions, 1132 flow [2024-11-13 16:34:13,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 107 transitions, 1023 flow, removed 21 selfloop flow, removed 16 redundant places. [2024-11-13 16:34:13,549 INFO L231 Difference]: Finished difference. Result has 120 places, 68 transitions, 740 flow [2024-11-13 16:34:13,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=740, PETRI_PLACES=120, PETRI_TRANSITIONS=68} [2024-11-13 16:34:13,551 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 85 predicate places. [2024-11-13 16:34:13,551 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 68 transitions, 740 flow [2024-11-13 16:34:13,553 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) [2024-11-13 16:34:13,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:13,553 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:13,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:34:13,554 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:13,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:13,554 INFO L85 PathProgramCache]: Analyzing trace with hash 941350974, now seen corresponding path program 4 times [2024-11-13 16:34:13,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:13,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810824117] [2024-11-13 16:34:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:13,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:13,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:13,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810824117] [2024-11-13 16:34:13,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810824117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:13,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:13,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:34:13,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886501632] [2024-11-13 16:34:13,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:13,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:34:13,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:13,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:34:13,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:34:13,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:13,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 68 transitions, 740 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:13,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:13,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:13,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:14,282 INFO L124 PetriNetUnfolderBase]: 373/732 cut-off events. [2024-11-13 16:34:14,283 INFO L125 PetriNetUnfolderBase]: For 2751/2751 co-relation queries the response was YES. [2024-11-13 16:34:14,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3523 conditions, 732 events. 373/732 cut-off events. For 2751/2751 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3708 event pairs, 68 based on Foata normal form. 30/762 useless extension candidates. Maximal degree in co-relation 3478. Up to 424 conditions per place. [2024-11-13 16:34:14,291 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 59 selfloop transitions, 19 changer transitions 6/84 dead transitions. [2024-11-13 16:34:14,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 84 transitions, 940 flow [2024-11-13 16:34:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:34:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 16:34:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 80 transitions. [2024-11-13 16:34:14,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33613445378151263 [2024-11-13 16:34:14,292 INFO L175 Difference]: Start difference. First operand has 120 places, 68 transitions, 740 flow. Second operand 7 states and 80 transitions. [2024-11-13 16:34:14,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 84 transitions, 940 flow [2024-11-13 16:34:14,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 84 transitions, 830 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-13 16:34:14,307 INFO L231 Difference]: Finished difference. Result has 108 places, 60 transitions, 580 flow [2024-11-13 16:34:14,308 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=580, PETRI_PLACES=108, PETRI_TRANSITIONS=60} [2024-11-13 16:34:14,309 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 73 predicate places. [2024-11-13 16:34:14,309 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 60 transitions, 580 flow [2024-11-13 16:34:14,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:14,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:14,309 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:14,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:34:14,310 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:14,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash 946713355, now seen corresponding path program 3 times [2024-11-13 16:34:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528853828] [2024-11-13 16:34:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:14,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:14,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:14,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528853828] [2024-11-13 16:34:14,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528853828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:14,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:14,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:34:14,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470059316] [2024-11-13 16:34:14,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:14,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:34:14,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:14,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:34:14,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:34:14,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:14,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 60 transitions, 580 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) [2024-11-13 16:34:14,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:14,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:14,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:15,714 INFO L124 PetriNetUnfolderBase]: 309/610 cut-off events. [2024-11-13 16:34:15,714 INFO L125 PetriNetUnfolderBase]: For 1579/1579 co-relation queries the response was YES. [2024-11-13 16:34:15,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2866 conditions, 610 events. 309/610 cut-off events. For 1579/1579 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3012 event pairs, 64 based on Foata normal form. 20/630 useless extension candidates. Maximal degree in co-relation 2844. Up to 360 conditions per place. [2024-11-13 16:34:15,720 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 41 selfloop transitions, 31 changer transitions 25/97 dead transitions. [2024-11-13 16:34:15,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 97 transitions, 901 flow [2024-11-13 16:34:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 16:34:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-13 16:34:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 156 transitions. [2024-11-13 16:34:15,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2549019607843137 [2024-11-13 16:34:15,724 INFO L175 Difference]: Start difference. First operand has 108 places, 60 transitions, 580 flow. Second operand 18 states and 156 transitions. [2024-11-13 16:34:15,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 97 transitions, 901 flow [2024-11-13 16:34:15,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 97 transitions, 829 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-13 16:34:15,735 INFO L231 Difference]: Finished difference. Result has 106 places, 50 transitions, 488 flow [2024-11-13 16:34:15,736 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=488, PETRI_PLACES=106, PETRI_TRANSITIONS=50} [2024-11-13 16:34:15,736 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 71 predicate places. [2024-11-13 16:34:15,736 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 50 transitions, 488 flow [2024-11-13 16:34:15,737 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) [2024-11-13 16:34:15,737 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:15,737 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:15,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 16:34:15,737 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:15,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 2 times [2024-11-13 16:34:15,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:15,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939892835] [2024-11-13 16:34:15,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:16,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:16,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939892835] [2024-11-13 16:34:16,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939892835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:16,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:16,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:34:16,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109613548] [2024-11-13 16:34:16,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:16,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:34:16,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:16,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:34:16,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:34:16,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:16,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 50 transitions, 488 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) [2024-11-13 16:34:16,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:16,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:16,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:16,672 INFO L124 PetriNetUnfolderBase]: 289/566 cut-off events. [2024-11-13 16:34:16,673 INFO L125 PetriNetUnfolderBase]: For 1092/1092 co-relation queries the response was YES. [2024-11-13 16:34:16,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2541 conditions, 566 events. 289/566 cut-off events. For 1092/1092 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2701 event pairs, 74 based on Foata normal form. 8/574 useless extension candidates. Maximal degree in co-relation 2523. Up to 316 conditions per place. [2024-11-13 16:34:16,679 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 55 selfloop transitions, 18 changer transitions 0/73 dead transitions. [2024-11-13 16:34:16,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 73 transitions, 717 flow [2024-11-13 16:34:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:34:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-13 16:34:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 80 transitions. [2024-11-13 16:34:16,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29411764705882354 [2024-11-13 16:34:16,681 INFO L175 Difference]: Start difference. First operand has 106 places, 50 transitions, 488 flow. Second operand 8 states and 80 transitions. [2024-11-13 16:34:16,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 73 transitions, 717 flow [2024-11-13 16:34:16,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 73 transitions, 634 flow, removed 4 selfloop flow, removed 16 redundant places. [2024-11-13 16:34:16,690 INFO L231 Difference]: Finished difference. Result has 86 places, 52 transitions, 473 flow [2024-11-13 16:34:16,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=473, PETRI_PLACES=86, PETRI_TRANSITIONS=52} [2024-11-13 16:34:16,691 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 51 predicate places. [2024-11-13 16:34:16,691 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 52 transitions, 473 flow [2024-11-13 16:34:16,691 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) [2024-11-13 16:34:16,692 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:16,692 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:16,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:34:16,692 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:16,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash -578070548, now seen corresponding path program 3 times [2024-11-13 16:34:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:16,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619173968] [2024-11-13 16:34:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:16,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:16,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:16,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619173968] [2024-11-13 16:34:16,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619173968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:16,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:16,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:34:16,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727910580] [2024-11-13 16:34:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:16,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:34:16,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:16,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:34:16,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:34:16,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:16,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 52 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:16,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:16,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:16,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:17,321 INFO L124 PetriNetUnfolderBase]: 239/476 cut-off events. [2024-11-13 16:34:17,321 INFO L125 PetriNetUnfolderBase]: For 1115/1115 co-relation queries the response was YES. [2024-11-13 16:34:17,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 476 events. 239/476 cut-off events. For 1115/1115 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2183 event pairs, 26 based on Foata normal form. 40/516 useless extension candidates. Maximal degree in co-relation 2194. Up to 166 conditions per place. [2024-11-13 16:34:17,325 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 39 selfloop transitions, 8 changer transitions 22/69 dead transitions. [2024-11-13 16:34:17,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 69 transitions, 659 flow [2024-11-13 16:34:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:34:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 16:34:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 72 transitions. [2024-11-13 16:34:17,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3025210084033613 [2024-11-13 16:34:17,327 INFO L175 Difference]: Start difference. First operand has 86 places, 52 transitions, 473 flow. Second operand 7 states and 72 transitions. [2024-11-13 16:34:17,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 69 transitions, 659 flow [2024-11-13 16:34:17,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 69 transitions, 622 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-13 16:34:17,335 INFO L231 Difference]: Finished difference. Result has 83 places, 28 transitions, 195 flow [2024-11-13 16:34:17,335 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=195, PETRI_PLACES=83, PETRI_TRANSITIONS=28} [2024-11-13 16:34:17,336 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 48 predicate places. [2024-11-13 16:34:17,336 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 28 transitions, 195 flow [2024-11-13 16:34:17,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:17,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:17,337 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:17,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 16:34:17,337 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:17,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:17,337 INFO L85 PathProgramCache]: Analyzing trace with hash -321570037, now seen corresponding path program 3 times [2024-11-13 16:34:17,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:17,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150566471] [2024-11-13 16:34:17,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:17,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:17,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:17,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150566471] [2024-11-13 16:34:17,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150566471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:17,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:17,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:34:17,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864052046] [2024-11-13 16:34:17,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:17,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:34:17,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:17,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:34:17,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:34:17,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:17,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 28 transitions, 195 flow. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:17,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:17,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:17,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:18,294 INFO L124 PetriNetUnfolderBase]: 103/212 cut-off events. [2024-11-13 16:34:18,294 INFO L125 PetriNetUnfolderBase]: For 337/337 co-relation queries the response was YES. [2024-11-13 16:34:18,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 212 events. 103/212 cut-off events. For 337/337 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 751 event pairs, 4 based on Foata normal form. 16/228 useless extension candidates. Maximal degree in co-relation 896. Up to 72 conditions per place. [2024-11-13 16:34:18,296 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 25 selfloop transitions, 10 changer transitions 17/52 dead transitions. [2024-11-13 16:34:18,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 52 transitions, 374 flow [2024-11-13 16:34:18,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 16:34:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 16:34:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 104 transitions. [2024-11-13 16:34:18,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2024-11-13 16:34:18,298 INFO L175 Difference]: Start difference. First operand has 83 places, 28 transitions, 195 flow. Second operand 13 states and 104 transitions. [2024-11-13 16:34:18,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 52 transitions, 374 flow [2024-11-13 16:34:18,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 52 transitions, 298 flow, removed 12 selfloop flow, removed 19 redundant places. [2024-11-13 16:34:18,301 INFO L231 Difference]: Finished difference. Result has 64 places, 22 transitions, 103 flow [2024-11-13 16:34:18,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=103, PETRI_PLACES=64, PETRI_TRANSITIONS=22} [2024-11-13 16:34:18,302 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 29 predicate places. [2024-11-13 16:34:18,302 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 22 transitions, 103 flow [2024-11-13 16:34:18,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:34:18,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:34:18,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:34:18,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 16:34:18,303 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-13 16:34:18,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:18,303 INFO L85 PathProgramCache]: Analyzing trace with hash -310528147, now seen corresponding path program 4 times [2024-11-13 16:34:18,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:18,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719648290] [2024-11-13 16:34:18,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:18,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:18,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:18,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719648290] [2024-11-13 16:34:18,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719648290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:18,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:18,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:34:18,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074500513] [2024-11-13 16:34:18,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:18,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:34:18,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:18,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:34:18,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:34:18,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-13 16:34:18,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 22 transitions, 103 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) [2024-11-13 16:34:18,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:34:18,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-13 16:34:18,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:34:19,446 INFO L124 PetriNetUnfolderBase]: 45/98 cut-off events. [2024-11-13 16:34:19,446 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-13 16:34:19,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 98 events. 45/98 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 235 event pairs, 0 based on Foata normal form. 8/106 useless extension candidates. Maximal degree in co-relation 349. Up to 36 conditions per place. [2024-11-13 16:34:19,447 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2024-11-13 16:34:19,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 39 transitions, 224 flow [2024-11-13 16:34:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 16:34:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 16:34:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 88 transitions. [2024-11-13 16:34:19,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21568627450980393 [2024-11-13 16:34:19,450 INFO L175 Difference]: Start difference. First operand has 64 places, 22 transitions, 103 flow. Second operand 12 states and 88 transitions. [2024-11-13 16:34:19,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 39 transitions, 224 flow [2024-11-13 16:34:19,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 39 transitions, 201 flow, removed 0 selfloop flow, removed 10 redundant places. [2024-11-13 16:34:19,451 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2024-11-13 16:34:19,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2024-11-13 16:34:19,452 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 20 predicate places. [2024-11-13 16:34:19,452 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2024-11-13 16:34:19,453 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) [2024-11-13 16:34:19,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-13 16:34:19,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-13 16:34:19,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-13 16:34:19,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-13 16:34:19,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-13 16:34:19,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-13 16:34:19,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-13 16:34:19,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-13 16:34:19,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 16:34:19,459 INFO L407 BasicCegarLoop]: Path program histogram: [4, 4, 3, 3, 3, 2, 1, 1, 1] [2024-11-13 16:34:19,490 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:34:19,497 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:34:19,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:34:19 BasicIcfg [2024-11-13 16:34:19,519 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:34:19,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:34:19,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:34:19,524 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:34:19,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:33:44" (3/4) ... [2024-11-13 16:34:19,530 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:34:19,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-13 16:34:19,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-11-13 16:34:19,553 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-13 16:34:19,554 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 16:34:19,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:34:19,743 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:34:19,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:34:19,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:34:19,745 INFO L158 Benchmark]: Toolchain (without parser) took 37365.61ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 89.7MB in the beginning and 311.1MB in the end (delta: -221.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-13 16:34:19,746 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:19,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.44ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 58.7MB in the end (delta: 30.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:34:19,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.85ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:19,747 INFO L158 Benchmark]: Boogie Preprocessor took 87.54ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 53.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:19,747 INFO L158 Benchmark]: RCFGBuilder took 1380.63ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 58.9MB in the end (delta: -5.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-13 16:34:19,748 INFO L158 Benchmark]: TraceAbstraction took 34639.46ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 58.3MB in the beginning and 315.4MB in the end (delta: -257.0MB). Peak memory consumption was 207.4MB. Max. memory is 16.1GB. [2024-11-13 16:34:19,748 INFO L158 Benchmark]: Witness Printer took 223.71ms. Allocated memory is still 369.1MB. Free memory was 315.4MB in the beginning and 311.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:34:19,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.44ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 58.7MB in the end (delta: 30.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.85ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.54ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 53.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1380.63ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 58.9MB in the end (delta: -5.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34639.46ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 58.3MB in the beginning and 315.4MB in the end (delta: -257.0MB). Peak memory consumption was 207.4MB. Max. memory is 16.1GB. * Witness Printer took 223.71ms. Allocated memory is still 369.1MB. Free memory was 315.4MB in the beginning and 311.1MB in the end (delta: 4.2MB). There was no memory consumed. 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: 34.4s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1518 SdHoareTripleChecker+Valid, 9.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1517 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6356 IncrementalHoareTripleChecker+Invalid, 6583 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 227 mSolverCounterUnsat, 1 mSDtfsCounter, 6356 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1443occurred in iteration=7, InterpolantAutomatonStates: 291, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 2321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:34:19,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2036da27-1e34-4b48-93e4-f338eb64dba0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE