./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl --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 da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:25:28,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:25:28,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:25:28,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:25:28,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:25:28,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:25:28,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:25:28,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:25:28,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:25:28,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:25:28,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:25:28,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:25:28,840 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:25:28,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:25:28,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:25:28,842 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:25:28,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:25:28,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:25:28,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:25:28,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:25:28,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:25:28,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:25:28,847 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:25:28,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:25:28,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:25:28,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:25:28,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:25:28,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:25:28,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:25:28,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:25:28,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:28,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:25:28,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:25:28,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:25:28,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:25:28,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:25:28,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:25:28,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:25:28,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:25:28,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:25:28,855 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:25:28,856 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-12 02:25:29,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:25:29,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:25:29,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:25:29,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:25:29,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:25:29,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-12 02:25:33,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:25:33,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:25:33,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-12 02:25:33,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/data/5730c54ba/4bffddbc0d934e9db6d16198f9b35d16/FLAGe235b5993 [2023-11-12 02:25:33,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/data/5730c54ba/4bffddbc0d934e9db6d16198f9b35d16 [2023-11-12 02:25:33,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:25:33,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:25:33,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:33,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:25:33,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:25:33,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:33" (1/1) ... [2023-11-12 02:25:33,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae25ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:33, skipping insertion in model container [2023-11-12 02:25:33,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:33" (1/1) ... [2023-11-12 02:25:34,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:25:34,236 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:25:35,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:35,049 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:25:35,064 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:25:35,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:35,389 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:25:35,389 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:25:35,390 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:25:35,398 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:25:35,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35 WrapperNode [2023-11-12 02:25:35,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:35,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:35,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:25:35,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:25:35,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,538 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 162 [2023-11-12 02:25:35,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:35,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:25:35,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:25:35,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:25:35,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:25:35,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:25:35,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:25:35,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:25:35,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (1/1) ... [2023-11-12 02:25:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:35,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:25:35,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:25:35,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_684d0062-bf13-462b-aaeb-b4c5954fa9e4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:25:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:25:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:25:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:25:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:25:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:25:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:25:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:25:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:25:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:25:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-12 02:25:35,739 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-12 02:25:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:25:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:25:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:25:35,742 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:25:36,129 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:25:36,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:25:36,438 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:25:36,530 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:25:36,530 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:25:36,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:36 BoogieIcfgContainer [2023-11-12 02:25:36,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:25:36,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:25:36,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:25:36,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:25:36,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:25:33" (1/3) ... [2023-11-12 02:25:36,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544fdc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:36, skipping insertion in model container [2023-11-12 02:25:36,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:35" (2/3) ... [2023-11-12 02:25:36,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544fdc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:36, skipping insertion in model container [2023-11-12 02:25:36,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:36" (3/3) ... [2023-11-12 02:25:36,543 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-11-12 02:25:36,552 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:25:36,564 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:25:36,564 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 02:25:36,564 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:25:36,644 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:25:36,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 195 transitions, 404 flow [2023-11-12 02:25:36,828 INFO L124 PetriNetUnfolderBase]: 14/253 cut-off events. [2023-11-12 02:25:36,828 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:25:36,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 14/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 551 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 128. Up to 4 conditions per place. [2023-11-12 02:25:36,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 195 transitions, 404 flow [2023-11-12 02:25:36,844 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 150 transitions, 309 flow [2023-11-12 02:25:36,848 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:25:36,860 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 150 transitions, 309 flow [2023-11-12 02:25:36,863 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 150 transitions, 309 flow [2023-11-12 02:25:36,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 150 transitions, 309 flow [2023-11-12 02:25:36,906 INFO L124 PetriNetUnfolderBase]: 4/150 cut-off events. [2023-11-12 02:25:36,906 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:25:36,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 150 events. 4/150 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 207 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-12 02:25:36,913 INFO L119 LiptonReduction]: Number of co-enabled transitions 5580 [2023-11-12 02:25:47,590 INFO L134 LiptonReduction]: Checked pairs total: 13049 [2023-11-12 02:25:47,591 INFO L136 LiptonReduction]: Total number of compositions: 146 [2023-11-12 02:25:47,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:25:47,618 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@272550dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:25:47,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 02:25:47,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:25:47,624 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-11-12 02:25:47,625 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:25:47,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:47,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:25:47,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:47,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:47,633 INFO L85 PathProgramCache]: Analyzing trace with hash 672318634, now seen corresponding path program 1 times [2023-11-12 02:25:47,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:47,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353642197] [2023-11-12 02:25:47,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:47,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:48,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:48,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353642197] [2023-11-12 02:25:48,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353642197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:48,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:48,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:25:48,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253121754] [2023-11-12 02:25:48,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:48,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:25:48,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:48,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:25:48,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:25:49,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 341 [2023-11-12 02:25:49,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 71 flow. Second operand has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:49,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:49,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 341 [2023-11-12 02:25:49,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:49,645 INFO L124 PetriNetUnfolderBase]: 523/938 cut-off events. [2023-11-12 02:25:49,646 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-12 02:25:49,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1842 conditions, 938 events. 523/938 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4351 event pairs, 518 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 1764. Up to 870 conditions per place. [2023-11-12 02:25:49,662 INFO L140 encePairwiseOnDemand]: 332/341 looper letters, 23 selfloop transitions, 8 changer transitions 0/33 dead transitions. [2023-11-12 02:25:49,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 137 flow [2023-11-12 02:25:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 970 transitions. [2023-11-12 02:25:49,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47409579667644186 [2023-11-12 02:25:49,694 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 970 transitions. [2023-11-12 02:25:49,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 970 transitions. [2023-11-12 02:25:49,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:49,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 970 transitions. [2023-11-12 02:25:49,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 161.66666666666666) internal successors, (970), 6 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:49,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:49,724 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:49,726 INFO L175 Difference]: Start difference. First operand has 37 places, 31 transitions, 71 flow. Second operand 6 states and 970 transitions. [2023-11-12 02:25:49,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 137 flow [2023-11-12 02:25:49,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 132 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:25:49,736 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 105 flow [2023-11-12 02:25:49,738 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=105, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2023-11-12 02:25:49,744 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-12 02:25:49,745 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 105 flow [2023-11-12 02:25:49,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:49,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:49,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:25:49,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:25:49,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:49,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:49,748 INFO L85 PathProgramCache]: Analyzing trace with hash -633117115, now seen corresponding path program 1 times [2023-11-12 02:25:49,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:49,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043768755] [2023-11-12 02:25:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:49,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:50,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:50,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043768755] [2023-11-12 02:25:50,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043768755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:50,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:50,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:50,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524112376] [2023-11-12 02:25:50,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:50,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:50,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:50,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:50,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:50,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 341 [2023-11-12 02:25:50,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:50,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:50,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 341 [2023-11-12 02:25:50,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:51,075 INFO L124 PetriNetUnfolderBase]: 538/962 cut-off events. [2023-11-12 02:25:51,076 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2023-11-12 02:25:51,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 962 events. 538/962 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4414 event pairs, 378 based on Foata normal form. 3/839 useless extension candidates. Maximal degree in co-relation 1769. Up to 873 conditions per place. [2023-11-12 02:25:51,086 INFO L140 encePairwiseOnDemand]: 331/341 looper letters, 30 selfloop transitions, 17 changer transitions 0/49 dead transitions. [2023-11-12 02:25:51,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 49 transitions, 247 flow [2023-11-12 02:25:51,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 976 transitions. [2023-11-12 02:25:51,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47702834799608995 [2023-11-12 02:25:51,093 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 976 transitions. [2023-11-12 02:25:51,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 976 transitions. [2023-11-12 02:25:51,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:51,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 976 transitions. [2023-11-12 02:25:51,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:51,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:51,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:51,110 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 105 flow. Second operand 6 states and 976 transitions. [2023-11-12 02:25:51,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 49 transitions, 247 flow [2023-11-12 02:25:51,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 49 transitions, 245 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:25:51,116 INFO L231 Difference]: Finished difference. Result has 44 places, 42 transitions, 193 flow [2023-11-12 02:25:51,116 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=193, PETRI_PLACES=44, PETRI_TRANSITIONS=42} [2023-11-12 02:25:51,117 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places. [2023-11-12 02:25:51,118 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 42 transitions, 193 flow [2023-11-12 02:25:51,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:51,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:51,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:25:51,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:25:51,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:51,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:51,121 INFO L85 PathProgramCache]: Analyzing trace with hash -632955295, now seen corresponding path program 2 times [2023-11-12 02:25:51,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:51,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858308167] [2023-11-12 02:25:51,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:51,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:51,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:51,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858308167] [2023-11-12 02:25:51,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858308167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:51,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:51,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041030631] [2023-11-12 02:25:51,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:51,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:51,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:51,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:51,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:52,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 341 [2023-11-12 02:25:52,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 42 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:52,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:52,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 341 [2023-11-12 02:25:52,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:52,522 INFO L124 PetriNetUnfolderBase]: 528/946 cut-off events. [2023-11-12 02:25:52,522 INFO L125 PetriNetUnfolderBase]: For 568/568 co-relation queries the response was YES. [2023-11-12 02:25:52,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2425 conditions, 946 events. 528/946 cut-off events. For 568/568 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4402 event pairs, 304 based on Foata normal form. 3/826 useless extension candidates. Maximal degree in co-relation 1986. Up to 845 conditions per place. [2023-11-12 02:25:52,565 INFO L140 encePairwiseOnDemand]: 332/341 looper letters, 32 selfloop transitions, 20 changer transitions 0/54 dead transitions. [2023-11-12 02:25:52,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 54 transitions, 341 flow [2023-11-12 02:25:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 975 transitions. [2023-11-12 02:25:52,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47653958944281527 [2023-11-12 02:25:52,571 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 975 transitions. [2023-11-12 02:25:52,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 975 transitions. [2023-11-12 02:25:52,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:52,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 975 transitions. [2023-11-12 02:25:52,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:52,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:52,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:52,584 INFO L175 Difference]: Start difference. First operand has 44 places, 42 transitions, 193 flow. Second operand 6 states and 975 transitions. [2023-11-12 02:25:52,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 54 transitions, 341 flow [2023-11-12 02:25:52,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 54 transitions, 325 flow, removed 7 selfloop flow, removed 1 redundant places. [2023-11-12 02:25:52,593 INFO L231 Difference]: Finished difference. Result has 49 places, 47 transitions, 261 flow [2023-11-12 02:25:52,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=261, PETRI_PLACES=49, PETRI_TRANSITIONS=47} [2023-11-12 02:25:52,596 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 12 predicate places. [2023-11-12 02:25:52,596 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 47 transitions, 261 flow [2023-11-12 02:25:52,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:52,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:52,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:52,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:25:52,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:52,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1844598041, now seen corresponding path program 1 times [2023-11-12 02:25:52,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:52,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533714063] [2023-11-12 02:25:52,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:52,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:53,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:53,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533714063] [2023-11-12 02:25:53,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533714063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:53,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:53,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:53,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903474195] [2023-11-12 02:25:53,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:53,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:53,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:53,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:53,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:53,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 341 [2023-11-12 02:25:53,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 47 transitions, 261 flow. Second operand has 6 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:53,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:53,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 341 [2023-11-12 02:25:53,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:53,606 INFO L124 PetriNetUnfolderBase]: 520/926 cut-off events. [2023-11-12 02:25:53,606 INFO L125 PetriNetUnfolderBase]: For 602/602 co-relation queries the response was YES. [2023-11-12 02:25:53,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2448 conditions, 926 events. 520/926 cut-off events. For 602/602 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4286 event pairs, 335 based on Foata normal form. 0/807 useless extension candidates. Maximal degree in co-relation 2022. Up to 850 conditions per place. [2023-11-12 02:25:53,615 INFO L140 encePairwiseOnDemand]: 332/341 looper letters, 39 selfloop transitions, 22 changer transitions 0/63 dead transitions. [2023-11-12 02:25:53,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 63 transitions, 481 flow [2023-11-12 02:25:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:25:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 973 transitions. [2023-11-12 02:25:53,620 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4755620723362659 [2023-11-12 02:25:53,620 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 973 transitions. [2023-11-12 02:25:53,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 973 transitions. [2023-11-12 02:25:53,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:53,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 973 transitions. [2023-11-12 02:25:53,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.16666666666666) internal successors, (973), 6 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:53,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:53,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:53,630 INFO L175 Difference]: Start difference. First operand has 49 places, 47 transitions, 261 flow. Second operand 6 states and 973 transitions. [2023-11-12 02:25:53,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 63 transitions, 481 flow [2023-11-12 02:25:53,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 63 transitions, 456 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-12 02:25:53,635 INFO L231 Difference]: Finished difference. Result has 55 places, 59 transitions, 386 flow [2023-11-12 02:25:53,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=55, PETRI_TRANSITIONS=59} [2023-11-12 02:25:53,637 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 18 predicate places. [2023-11-12 02:25:53,637 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 59 transitions, 386 flow [2023-11-12 02:25:53,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:53,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:53,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:53,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:25:53,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:53,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:53,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1615318867, now seen corresponding path program 1 times [2023-11-12 02:25:53,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:53,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753292794] [2023-11-12 02:25:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:53,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:54,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:54,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753292794] [2023-11-12 02:25:54,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753292794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:54,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:54,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:54,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747586074] [2023-11-12 02:25:54,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:54,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:25:54,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:54,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:25:54,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:54,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 341 [2023-11-12 02:25:54,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 59 transitions, 386 flow. Second operand has 7 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:54,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:54,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 341 [2023-11-12 02:25:54,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:55,483 INFO L124 PetriNetUnfolderBase]: 512/902 cut-off events. [2023-11-12 02:25:55,483 INFO L125 PetriNetUnfolderBase]: For 641/641 co-relation queries the response was YES. [2023-11-12 02:25:55,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 902 events. 512/902 cut-off events. For 641/641 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4047 event pairs, 241 based on Foata normal form. 2/827 useless extension candidates. Maximal degree in co-relation 2096. Up to 797 conditions per place. [2023-11-12 02:25:55,493 INFO L140 encePairwiseOnDemand]: 331/341 looper letters, 39 selfloop transitions, 34 changer transitions 0/75 dead transitions. [2023-11-12 02:25:55,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 75 transitions, 603 flow [2023-11-12 02:25:55,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:25:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:25:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1254 transitions. [2023-11-12 02:25:55,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4596774193548387 [2023-11-12 02:25:55,499 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1254 transitions. [2023-11-12 02:25:55,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1254 transitions. [2023-11-12 02:25:55,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:55,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1254 transitions. [2023-11-12 02:25:55,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.75) internal successors, (1254), 8 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:55,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:55,514 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:55,515 INFO L175 Difference]: Start difference. First operand has 55 places, 59 transitions, 386 flow. Second operand 8 states and 1254 transitions. [2023-11-12 02:25:55,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 75 transitions, 603 flow [2023-11-12 02:25:55,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 75 transitions, 576 flow, removed 5 selfloop flow, removed 1 redundant places. [2023-11-12 02:25:55,522 INFO L231 Difference]: Finished difference. Result has 64 places, 68 transitions, 508 flow [2023-11-12 02:25:55,523 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=508, PETRI_PLACES=64, PETRI_TRANSITIONS=68} [2023-11-12 02:25:55,526 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 27 predicate places. [2023-11-12 02:25:55,526 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 68 transitions, 508 flow [2023-11-12 02:25:55,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:55,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:55,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:55,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:25:55,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:55,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:55,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1348048649, now seen corresponding path program 1 times [2023-11-12 02:25:55,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:55,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394841201] [2023-11-12 02:25:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:55,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:56,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:56,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394841201] [2023-11-12 02:25:56,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394841201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:56,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:56,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:56,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686159142] [2023-11-12 02:25:56,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:56,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:25:56,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:56,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:25:56,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:56,618 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 341 [2023-11-12 02:25:56,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 68 transitions, 508 flow. Second operand has 7 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:56,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:56,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 341 [2023-11-12 02:25:56,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:57,156 INFO L124 PetriNetUnfolderBase]: 504/867 cut-off events. [2023-11-12 02:25:57,156 INFO L125 PetriNetUnfolderBase]: For 1128/1128 co-relation queries the response was YES. [2023-11-12 02:25:57,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2800 conditions, 867 events. 504/867 cut-off events. For 1128/1128 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3788 event pairs, 262 based on Foata normal form. 2/795 useless extension candidates. Maximal degree in co-relation 2720. Up to 806 conditions per place. [2023-11-12 02:25:57,165 INFO L140 encePairwiseOnDemand]: 331/341 looper letters, 45 selfloop transitions, 33 changer transitions 0/80 dead transitions. [2023-11-12 02:25:57,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 80 transitions, 742 flow [2023-11-12 02:25:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:25:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:25:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1252 transitions. [2023-11-12 02:25:57,172 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45894428152492667 [2023-11-12 02:25:57,172 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1252 transitions. [2023-11-12 02:25:57,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1252 transitions. [2023-11-12 02:25:57,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:57,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1252 transitions. [2023-11-12 02:25:57,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.5) internal successors, (1252), 8 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:57,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:57,185 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:57,186 INFO L175 Difference]: Start difference. First operand has 64 places, 68 transitions, 508 flow. Second operand 8 states and 1252 transitions. [2023-11-12 02:25:57,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 80 transitions, 742 flow [2023-11-12 02:25:57,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 80 transitions, 695 flow, removed 10 selfloop flow, removed 3 redundant places. [2023-11-12 02:25:57,193 INFO L231 Difference]: Finished difference. Result has 70 places, 75 transitions, 602 flow [2023-11-12 02:25:57,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=602, PETRI_PLACES=70, PETRI_TRANSITIONS=75} [2023-11-12 02:25:57,194 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 33 predicate places. [2023-11-12 02:25:57,194 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 75 transitions, 602 flow [2023-11-12 02:25:57,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:57,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:57,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:57,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:25:57,196 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:57,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:57,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1437958325, now seen corresponding path program 1 times [2023-11-12 02:25:57,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:57,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324920574] [2023-11-12 02:25:57,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:57,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:57,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324920574] [2023-11-12 02:25:57,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324920574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:57,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:57,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:25:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483707397] [2023-11-12 02:25:57,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:57,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:25:57,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:57,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:25:57,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:25:58,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:25:58,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 75 transitions, 602 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:58,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:25:58,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:25:58,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:25:59,086 INFO L124 PetriNetUnfolderBase]: 536/918 cut-off events. [2023-11-12 02:25:59,086 INFO L125 PetriNetUnfolderBase]: For 1551/1551 co-relation queries the response was YES. [2023-11-12 02:25:59,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3286 conditions, 918 events. 536/918 cut-off events. For 1551/1551 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4076 event pairs, 249 based on Foata normal form. 4/846 useless extension candidates. Maximal degree in co-relation 2958. Up to 831 conditions per place. [2023-11-12 02:25:59,098 INFO L140 encePairwiseOnDemand]: 330/341 looper letters, 65 selfloop transitions, 40 changer transitions 0/107 dead transitions. [2023-11-12 02:25:59,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 107 transitions, 1047 flow [2023-11-12 02:25:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:25:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:25:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1282 transitions. [2023-11-12 02:25:59,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46994134897360706 [2023-11-12 02:25:59,105 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1282 transitions. [2023-11-12 02:25:59,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1282 transitions. [2023-11-12 02:25:59,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:59,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1282 transitions. [2023-11-12 02:25:59,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 160.25) internal successors, (1282), 8 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:59,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:59,120 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:59,121 INFO L175 Difference]: Start difference. First operand has 70 places, 75 transitions, 602 flow. Second operand 8 states and 1282 transitions. [2023-11-12 02:25:59,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 107 transitions, 1047 flow [2023-11-12 02:25:59,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 107 transitions, 984 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-11-12 02:25:59,135 INFO L231 Difference]: Finished difference. Result has 76 places, 95 transitions, 845 flow [2023-11-12 02:25:59,136 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=845, PETRI_PLACES=76, PETRI_TRANSITIONS=95} [2023-11-12 02:25:59,137 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 39 predicate places. [2023-11-12 02:25:59,137 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 95 transitions, 845 flow [2023-11-12 02:25:59,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:59,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:25:59,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:59,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:25:59,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:25:59,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:59,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1464727049, now seen corresponding path program 1 times [2023-11-12 02:25:59,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:59,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229467051] [2023-11-12 02:25:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:59,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:59,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:59,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229467051] [2023-11-12 02:25:59,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229467051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:59,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:59,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:59,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092581475] [2023-11-12 02:25:59,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:59,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:25:59,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:59,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:25:59,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:26:00,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 341 [2023-11-12 02:26:00,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 95 transitions, 845 flow. Second operand has 7 states, 7 states have (on average 149.28571428571428) internal successors, (1045), 7 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:00,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:00,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 341 [2023-11-12 02:26:00,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:01,093 INFO L124 PetriNetUnfolderBase]: 1014/1832 cut-off events. [2023-11-12 02:26:01,094 INFO L125 PetriNetUnfolderBase]: For 3559/3559 co-relation queries the response was YES. [2023-11-12 02:26:01,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6531 conditions, 1832 events. 1014/1832 cut-off events. For 3559/3559 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10395 event pairs, 301 based on Foata normal form. 24/1705 useless extension candidates. Maximal degree in co-relation 4170. Up to 598 conditions per place. [2023-11-12 02:26:01,119 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 135 selfloop transitions, 36 changer transitions 0/173 dead transitions. [2023-11-12 02:26:01,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 173 transitions, 1621 flow [2023-11-12 02:26:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:26:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:26:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1423 transitions. [2023-11-12 02:26:01,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4636689475399153 [2023-11-12 02:26:01,128 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1423 transitions. [2023-11-12 02:26:01,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1423 transitions. [2023-11-12 02:26:01,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:01,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1423 transitions. [2023-11-12 02:26:01,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 158.11111111111111) internal successors, (1423), 9 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:01,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:01,144 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:01,144 INFO L175 Difference]: Start difference. First operand has 76 places, 95 transitions, 845 flow. Second operand 9 states and 1423 transitions. [2023-11-12 02:26:01,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 173 transitions, 1621 flow [2023-11-12 02:26:01,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 173 transitions, 1576 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-12 02:26:01,166 INFO L231 Difference]: Finished difference. Result has 83 places, 108 transitions, 1009 flow [2023-11-12 02:26:01,167 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1009, PETRI_PLACES=83, PETRI_TRANSITIONS=108} [2023-11-12 02:26:01,170 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 46 predicate places. [2023-11-12 02:26:01,170 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 108 transitions, 1009 flow [2023-11-12 02:26:01,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 149.28571428571428) internal successors, (1045), 7 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:01,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:01,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:01,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:26:01,172 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:26:01,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1464732568, now seen corresponding path program 1 times [2023-11-12 02:26:01,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:01,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86153897] [2023-11-12 02:26:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:01,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:02,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:02,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86153897] [2023-11-12 02:26:02,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86153897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:02,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:02,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:26:02,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760267928] [2023-11-12 02:26:02,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:02,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:26:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:02,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:26:02,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:26:02,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:26:02,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 108 transitions, 1009 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:02,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:02,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:26:02,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:03,640 INFO L124 PetriNetUnfolderBase]: 1006/1810 cut-off events. [2023-11-12 02:26:03,640 INFO L125 PetriNetUnfolderBase]: For 5408/5408 co-relation queries the response was YES. [2023-11-12 02:26:03,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7326 conditions, 1810 events. 1006/1810 cut-off events. For 5408/5408 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10215 event pairs, 510 based on Foata normal form. 2/1663 useless extension candidates. Maximal degree in co-relation 4661. Up to 1671 conditions per place. [2023-11-12 02:26:03,666 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 68 selfloop transitions, 47 changer transitions 0/117 dead transitions. [2023-11-12 02:26:03,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 117 transitions, 1291 flow [2023-11-12 02:26:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:26:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:26:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1592 transitions. [2023-11-12 02:26:03,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46686217008797654 [2023-11-12 02:26:03,675 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1592 transitions. [2023-11-12 02:26:03,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1592 transitions. [2023-11-12 02:26:03,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:03,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1592 transitions. [2023-11-12 02:26:03,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 159.2) internal successors, (1592), 10 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:03,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:03,693 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:03,693 INFO L175 Difference]: Start difference. First operand has 83 places, 108 transitions, 1009 flow. Second operand 10 states and 1592 transitions. [2023-11-12 02:26:03,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 117 transitions, 1291 flow [2023-11-12 02:26:03,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 117 transitions, 1262 flow, removed 10 selfloop flow, removed 3 redundant places. [2023-11-12 02:26:03,723 INFO L231 Difference]: Finished difference. Result has 90 places, 110 transitions, 1115 flow [2023-11-12 02:26:03,723 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=980, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1115, PETRI_PLACES=90, PETRI_TRANSITIONS=110} [2023-11-12 02:26:03,725 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 53 predicate places. [2023-11-12 02:26:03,725 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 110 transitions, 1115 flow [2023-11-12 02:26:03,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:03,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:03,726 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:03,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:26:03,727 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:26:03,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:03,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1160671102, now seen corresponding path program 1 times [2023-11-12 02:26:03,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:03,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684247664] [2023-11-12 02:26:03,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:03,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684247664] [2023-11-12 02:26:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684247664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:04,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:04,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:26:04,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686002179] [2023-11-12 02:26:04,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:04,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:26:04,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:04,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:26:04,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:26:05,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:26:05,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 110 transitions, 1115 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:05,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:05,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:26:05,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:05,845 INFO L124 PetriNetUnfolderBase]: 1032/1849 cut-off events. [2023-11-12 02:26:05,845 INFO L125 PetriNetUnfolderBase]: For 5763/5763 co-relation queries the response was YES. [2023-11-12 02:26:05,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7634 conditions, 1849 events. 1032/1849 cut-off events. For 5763/5763 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10395 event pairs, 552 based on Foata normal form. 4/1702 useless extension candidates. Maximal degree in co-relation 5362. Up to 1726 conditions per place. [2023-11-12 02:26:05,871 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 83 selfloop transitions, 45 changer transitions 0/130 dead transitions. [2023-11-12 02:26:05,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 130 transitions, 1574 flow [2023-11-12 02:26:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:26:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:26:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1432 transitions. [2023-11-12 02:26:05,878 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46660149885956337 [2023-11-12 02:26:05,878 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1432 transitions. [2023-11-12 02:26:05,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1432 transitions. [2023-11-12 02:26:05,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:05,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1432 transitions. [2023-11-12 02:26:05,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 159.11111111111111) internal successors, (1432), 9 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:05,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:05,910 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:05,910 INFO L175 Difference]: Start difference. First operand has 90 places, 110 transitions, 1115 flow. Second operand 9 states and 1432 transitions. [2023-11-12 02:26:05,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 130 transitions, 1574 flow [2023-11-12 02:26:05,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 130 transitions, 1472 flow, removed 2 selfloop flow, removed 6 redundant places. [2023-11-12 02:26:05,934 INFO L231 Difference]: Finished difference. Result has 95 places, 123 transitions, 1312 flow [2023-11-12 02:26:05,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1312, PETRI_PLACES=95, PETRI_TRANSITIONS=123} [2023-11-12 02:26:05,936 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 58 predicate places. [2023-11-12 02:26:05,936 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 123 transitions, 1312 flow [2023-11-12 02:26:05,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:05,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:05,937 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:05,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:26:05,938 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:26:05,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:05,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1165139752, now seen corresponding path program 2 times [2023-11-12 02:26:05,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:05,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184614580] [2023-11-12 02:26:05,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:06,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:06,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184614580] [2023-11-12 02:26:06,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184614580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:06,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:06,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:26:06,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939523878] [2023-11-12 02:26:06,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:06,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:26:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:06,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:26:06,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:26:07,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:26:07,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 123 transitions, 1312 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:07,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:07,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:26:07,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:08,172 INFO L124 PetriNetUnfolderBase]: 1016/1823 cut-off events. [2023-11-12 02:26:08,173 INFO L125 PetriNetUnfolderBase]: For 6515/6515 co-relation queries the response was YES. [2023-11-12 02:26:08,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7882 conditions, 1823 events. 1016/1823 cut-off events. For 6515/6515 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10394 event pairs, 559 based on Foata normal form. 4/1682 useless extension candidates. Maximal degree in co-relation 7463. Up to 1696 conditions per place. [2023-11-12 02:26:08,209 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 85 selfloop transitions, 55 changer transitions 0/142 dead transitions. [2023-11-12 02:26:08,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 142 transitions, 1770 flow [2023-11-12 02:26:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:26:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-12 02:26:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2058 transitions. [2023-11-12 02:26:08,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46424543198736745 [2023-11-12 02:26:08,219 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2058 transitions. [2023-11-12 02:26:08,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2058 transitions. [2023-11-12 02:26:08,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:08,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2058 transitions. [2023-11-12 02:26:08,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 158.30769230769232) internal successors, (2058), 13 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:08,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:08,238 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:08,238 INFO L175 Difference]: Start difference. First operand has 95 places, 123 transitions, 1312 flow. Second operand 13 states and 2058 transitions. [2023-11-12 02:26:08,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 142 transitions, 1770 flow [2023-11-12 02:26:08,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 142 transitions, 1683 flow, removed 8 selfloop flow, removed 5 redundant places. [2023-11-12 02:26:08,268 INFO L231 Difference]: Finished difference. Result has 106 places, 135 transitions, 1538 flow [2023-11-12 02:26:08,268 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1229, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1538, PETRI_PLACES=106, PETRI_TRANSITIONS=135} [2023-11-12 02:26:08,269 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 69 predicate places. [2023-11-12 02:26:08,269 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 135 transitions, 1538 flow [2023-11-12 02:26:08,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:08,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:08,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:08,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:26:08,271 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:26:08,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1160349694, now seen corresponding path program 1 times [2023-11-12 02:26:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:08,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042450220] [2023-11-12 02:26:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:08,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:09,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:09,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042450220] [2023-11-12 02:26:09,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042450220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:09,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:09,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:26:09,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27611111] [2023-11-12 02:26:09,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:09,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:26:09,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:09,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:26:09,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:26:09,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 341 [2023-11-12 02:26:09,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 135 transitions, 1538 flow. Second operand has 8 states, 8 states have (on average 148.125) internal successors, (1185), 8 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:09,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:09,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 341 [2023-11-12 02:26:09,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:10,508 INFO L124 PetriNetUnfolderBase]: 1128/2020 cut-off events. [2023-11-12 02:26:10,508 INFO L125 PetriNetUnfolderBase]: For 9063/9063 co-relation queries the response was YES. [2023-11-12 02:26:10,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9138 conditions, 2020 events. 1128/2020 cut-off events. For 9063/9063 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11706 event pairs, 546 based on Foata normal form. 24/1901 useless extension candidates. Maximal degree in co-relation 8482. Up to 1736 conditions per place. [2023-11-12 02:26:10,534 INFO L140 encePairwiseOnDemand]: 331/341 looper letters, 97 selfloop transitions, 72 changer transitions 0/171 dead transitions. [2023-11-12 02:26:10,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 171 transitions, 2123 flow [2023-11-12 02:26:10,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:26:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-12 02:26:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1841 transitions. [2023-11-12 02:26:10,543 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44990224828934505 [2023-11-12 02:26:10,543 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1841 transitions. [2023-11-12 02:26:10,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1841 transitions. [2023-11-12 02:26:10,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:10,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1841 transitions. [2023-11-12 02:26:10,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 153.41666666666666) internal successors, (1841), 12 states have internal predecessors, (1841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:10,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 341.0) internal successors, (4433), 13 states have internal predecessors, (4433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:10,559 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 341.0) internal successors, (4433), 13 states have internal predecessors, (4433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:10,560 INFO L175 Difference]: Start difference. First operand has 106 places, 135 transitions, 1538 flow. Second operand 12 states and 1841 transitions. [2023-11-12 02:26:10,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 171 transitions, 2123 flow [2023-11-12 02:26:10,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 171 transitions, 2030 flow, removed 19 selfloop flow, removed 6 redundant places. [2023-11-12 02:26:10,592 INFO L231 Difference]: Finished difference. Result has 113 places, 151 transitions, 1764 flow [2023-11-12 02:26:10,593 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1764, PETRI_PLACES=113, PETRI_TRANSITIONS=151} [2023-11-12 02:26:10,594 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 76 predicate places. [2023-11-12 02:26:10,594 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 151 transitions, 1764 flow [2023-11-12 02:26:10,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 148.125) internal successors, (1185), 8 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:10,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:10,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:10,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:26:10,595 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:26:10,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:10,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1165139756, now seen corresponding path program 2 times [2023-11-12 02:26:10,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:10,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684430619] [2023-11-12 02:26:10,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:11,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:11,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684430619] [2023-11-12 02:26:11,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684430619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:11,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:11,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:26:11,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165763363] [2023-11-12 02:26:11,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:11,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:26:11,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:11,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:26:11,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:26:11,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:26:11,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 151 transitions, 1764 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:11,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:11,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:26:11,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:26:12,667 INFO L124 PetriNetUnfolderBase]: 1120/2010 cut-off events. [2023-11-12 02:26:12,668 INFO L125 PetriNetUnfolderBase]: For 10435/10435 co-relation queries the response was YES. [2023-11-12 02:26:12,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9728 conditions, 2010 events. 1120/2010 cut-off events. For 10435/10435 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 11646 event pairs, 656 based on Foata normal form. 2/1871 useless extension candidates. Maximal degree in co-relation 9638. Up to 1866 conditions per place. [2023-11-12 02:26:12,690 INFO L140 encePairwiseOnDemand]: 328/341 looper letters, 101 selfloop transitions, 56 changer transitions 0/159 dead transitions. [2023-11-12 02:26:12,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 159 transitions, 2129 flow [2023-11-12 02:26:12,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:26:12,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-12 02:26:12,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1904 transitions. [2023-11-12 02:26:12,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46529814271749753 [2023-11-12 02:26:12,697 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1904 transitions. [2023-11-12 02:26:12,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1904 transitions. [2023-11-12 02:26:12,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:12,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1904 transitions. [2023-11-12 02:26:12,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 158.66666666666666) internal successors, (1904), 12 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:12,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 341.0) internal successors, (4433), 13 states have internal predecessors, (4433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:12,713 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 341.0) internal successors, (4433), 13 states have internal predecessors, (4433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:12,713 INFO L175 Difference]: Start difference. First operand has 113 places, 151 transitions, 1764 flow. Second operand 12 states and 1904 transitions. [2023-11-12 02:26:12,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 159 transitions, 2129 flow [2023-11-12 02:26:12,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 159 transitions, 1960 flow, removed 30 selfloop flow, removed 7 redundant places. [2023-11-12 02:26:12,760 INFO L231 Difference]: Finished difference. Result has 118 places, 152 transitions, 1738 flow [2023-11-12 02:26:12,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1599, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1738, PETRI_PLACES=118, PETRI_TRANSITIONS=152} [2023-11-12 02:26:12,761 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 81 predicate places. [2023-11-12 02:26:12,761 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 152 transitions, 1738 flow [2023-11-12 02:26:12,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:12,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:26:12,762 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:12,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:26:12,763 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:26:12,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1157351374, now seen corresponding path program 2 times [2023-11-12 02:26:12,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:12,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906692996] [2023-11-12 02:26:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:12,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:13,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:13,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906692996] [2023-11-12 02:26:13,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906692996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:13,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:13,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:26:13,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902468116] [2023-11-12 02:26:13,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:13,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:26:13,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:13,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:26:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:26:13,578 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 341 [2023-11-12 02:26:13,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 152 transitions, 1738 flow. Second operand has 7 states, 7 states have (on average 148.28571428571428) internal successors, (1038), 7 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:26:13,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:26:13,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 341 [2023-11-12 02:26:13,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand