./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:11,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:11,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:23:11,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:11,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:11,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:11,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:11,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:11,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:23:11,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:23:11,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:11,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:11,493 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:11,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:11,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:23:11,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:11,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:23:11,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:11,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:11,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:23:11,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:23:11,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:23:11,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:23:11,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:23:11,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:11,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:11,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:11,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:11,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:11,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:23:11,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:11,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:11,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:23:11,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:23:11,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:23:11,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:23:11,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:23:11,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:23:11,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:23:11,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:23:11,514 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:23:11,514 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_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2023-11-06 22:23:11,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:11,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:11,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:11,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:11,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:11,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-06 22:23:15,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:15,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:15,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-06 22:23:15,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/data/ea58510a0/9188f3b7538a461591b60a01d6b69a2a/FLAG1752f6201 [2023-11-06 22:23:15,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/data/ea58510a0/9188f3b7538a461591b60a01d6b69a2a [2023-11-06 22:23:15,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:15,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:15,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:15,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:15,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:15,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:15" (1/1) ... [2023-11-06 22:23:15,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4599074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:15, skipping insertion in model container [2023-11-06 22:23:15,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:15" (1/1) ... [2023-11-06 22:23:15,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:16,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:16,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:16,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:17,002 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:17,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17 WrapperNode [2023-11-06 22:23:17,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:17,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:17,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:17,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:17,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,087 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 153 [2023-11-06 22:23:17,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:17,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:17,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:17,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:17,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:17,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:17,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:17,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:17,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (1/1) ... [2023-11-06 22:23:17,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:17,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:17,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:17,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:23:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:23:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:23:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:23:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 22:23:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 22:23:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:23:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:23:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:23:17,240 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:23:17,524 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:17,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:17,951 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:17,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:17,959 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:23:17,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:17 BoogieIcfgContainer [2023-11-06 22:23:17,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:17,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:23:17,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:23:17,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:23:17,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:23:15" (1/3) ... [2023-11-06 22:23:17,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7284c405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:17, skipping insertion in model container [2023-11-06 22:23:17,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:17" (2/3) ... [2023-11-06 22:23:17,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7284c405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:17, skipping insertion in model container [2023-11-06 22:23:17,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:17" (3/3) ... [2023-11-06 22:23:17,971 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-11-06 22:23:17,979 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:23:17,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:23:17,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:23:17,990 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:23:18,080 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:23:18,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 228 transitions, 470 flow [2023-11-06 22:23:18,299 INFO L124 PetriNetUnfolderBase]: 18/282 cut-off events. [2023-11-06 22:23:18,299 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:23:18,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 282 events. 18/282 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 573 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 159. Up to 4 conditions per place. [2023-11-06 22:23:18,307 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 228 transitions, 470 flow [2023-11-06 22:23:18,313 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 183 transitions, 375 flow [2023-11-06 22:23:18,317 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:23:18,328 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 183 transitions, 375 flow [2023-11-06 22:23:18,330 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 183 transitions, 375 flow [2023-11-06 22:23:18,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 375 flow [2023-11-06 22:23:18,374 INFO L124 PetriNetUnfolderBase]: 8/183 cut-off events. [2023-11-06 22:23:18,375 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:23:18,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 183 events. 8/183 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 256 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-06 22:23:18,387 INFO L119 LiptonReduction]: Number of co-enabled transitions 5960 [2023-11-06 22:23:31,619 INFO L134 LiptonReduction]: Checked pairs total: 11571 [2023-11-06 22:23:31,620 INFO L136 LiptonReduction]: Total number of compositions: 205 [2023-11-06 22:23:31,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:23:31,644 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=LoopsAndPotentialCycles, 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;@25c11e17, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:23:31,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:23:31,651 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:23:31,652 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-06 22:23:31,652 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:23:31,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:31,653 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:23:31,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:31,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:31,659 INFO L85 PathProgramCache]: Analyzing trace with hash 728549155, now seen corresponding path program 1 times [2023-11-06 22:23:31,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:31,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106734344] [2023-11-06 22:23:31,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:31,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:32,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:32,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106734344] [2023-11-06 22:23:32,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106734344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:32,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:32,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:23:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180820272] [2023-11-06 22:23:32,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:32,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:32,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:32,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:32,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:32,989 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 433 [2023-11-06 22:23:32,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:32,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:32,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 433 [2023-11-06 22:23:32,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:33,233 INFO L124 PetriNetUnfolderBase]: 194/361 cut-off events. [2023-11-06 22:23:33,233 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-06 22:23:33,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 361 events. 194/361 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1326 event pairs, 189 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 644. Up to 357 conditions per place. [2023-11-06 22:23:33,239 INFO L140 encePairwiseOnDemand]: 425/433 looper letters, 22 selfloop transitions, 7 changer transitions 0/29 dead transitions. [2023-11-06 22:23:33,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 125 flow [2023-11-06 22:23:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:23:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 992 transitions. [2023-11-06 22:23:33,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4581986143187067 [2023-11-06 22:23:33,266 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 992 transitions. [2023-11-06 22:23:33,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 992 transitions. [2023-11-06 22:23:33,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:33,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 992 transitions. [2023-11-06 22:23:33,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 198.4) internal successors, (992), 5 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:33,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:33,295 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:33,297 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 5 states and 992 transitions. [2023-11-06 22:23:33,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 125 flow [2023-11-06 22:23:33,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:23:33,304 INFO L231 Difference]: Finished difference. Result has 33 places, 28 transitions, 95 flow [2023-11-06 22:23:33,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=95, PETRI_PLACES=33, PETRI_TRANSITIONS=28} [2023-11-06 22:23:33,310 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-11-06 22:23:33,310 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 95 flow [2023-11-06 22:23:33,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:33,312 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:33,312 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:23:33,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:23:33,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:33,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:33,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1109998989, now seen corresponding path program 1 times [2023-11-06 22:23:33,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:33,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663026948] [2023-11-06 22:23:33,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:33,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:33,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:33,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663026948] [2023-11-06 22:23:33,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663026948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:33,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:33,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:33,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516978662] [2023-11-06 22:23:33,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:33,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:33,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:33,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:33,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:34,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 433 [2023-11-06 22:23:34,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 95 flow. Second operand has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:34,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:34,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 433 [2023-11-06 22:23:34,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:34,333 INFO L124 PetriNetUnfolderBase]: 215/397 cut-off events. [2023-11-06 22:23:34,333 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2023-11-06 22:23:34,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 397 events. 215/397 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1500 event pairs, 129 based on Foata normal form. 5/347 useless extension candidates. Maximal degree in co-relation 728. Up to 351 conditions per place. [2023-11-06 22:23:34,339 INFO L140 encePairwiseOnDemand]: 425/433 looper letters, 32 selfloop transitions, 13 changer transitions 0/45 dead transitions. [2023-11-06 22:23:34,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 233 flow [2023-11-06 22:23:34,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:23:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 999 transitions. [2023-11-06 22:23:34,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46143187066974595 [2023-11-06 22:23:34,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 999 transitions. [2023-11-06 22:23:34,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 999 transitions. [2023-11-06 22:23:34,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:34,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 999 transitions. [2023-11-06 22:23:34,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 199.8) internal successors, (999), 5 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:34,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:34,359 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:34,360 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 95 flow. Second operand 5 states and 999 transitions. [2023-11-06 22:23:34,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 233 flow [2023-11-06 22:23:34,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 45 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:23:34,363 INFO L231 Difference]: Finished difference. Result has 39 places, 35 transitions, 167 flow [2023-11-06 22:23:34,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=167, PETRI_PLACES=39, PETRI_TRANSITIONS=35} [2023-11-06 22:23:34,365 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-11-06 22:23:34,365 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 167 flow [2023-11-06 22:23:34,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:34,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:34,367 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:23:34,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:23:34,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:34,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1110192429, now seen corresponding path program 2 times [2023-11-06 22:23:34,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:34,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600042589] [2023-11-06 22:23:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:34,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:34,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600042589] [2023-11-06 22:23:34,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600042589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:34,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:34,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:34,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41039177] [2023-11-06 22:23:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:34,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:34,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:35,008 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 433 [2023-11-06 22:23:35,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 167 flow. Second operand has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:35,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:35,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 433 [2023-11-06 22:23:35,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:35,184 INFO L124 PetriNetUnfolderBase]: 201/373 cut-off events. [2023-11-06 22:23:35,184 INFO L125 PetriNetUnfolderBase]: For 209/209 co-relation queries the response was YES. [2023-11-06 22:23:35,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 373 events. 201/373 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1414 event pairs, 52 based on Foata normal form. 5/328 useless extension candidates. Maximal degree in co-relation 752. Up to 305 conditions per place. [2023-11-06 22:23:35,188 INFO L140 encePairwiseOnDemand]: 426/433 looper letters, 34 selfloop transitions, 14 changer transitions 0/48 dead transitions. [2023-11-06 22:23:35,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 48 transitions, 304 flow [2023-11-06 22:23:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:23:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 998 transitions. [2023-11-06 22:23:35,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4609699769053118 [2023-11-06 22:23:35,194 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 998 transitions. [2023-11-06 22:23:35,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 998 transitions. [2023-11-06 22:23:35,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:35,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 998 transitions. [2023-11-06 22:23:35,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 199.6) internal successors, (998), 5 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:35,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:35,206 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:35,206 INFO L175 Difference]: Start difference. First operand has 39 places, 35 transitions, 167 flow. Second operand 5 states and 998 transitions. [2023-11-06 22:23:35,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 48 transitions, 304 flow [2023-11-06 22:23:35,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 48 transitions, 290 flow, removed 7 selfloop flow, removed 0 redundant places. [2023-11-06 22:23:35,212 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 212 flow [2023-11-06 22:23:35,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2023-11-06 22:23:35,213 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 11 predicate places. [2023-11-06 22:23:35,213 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 212 flow [2023-11-06 22:23:35,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:35,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:35,215 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:35,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:23:35,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:35,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash 45249145, now seen corresponding path program 1 times [2023-11-06 22:23:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:35,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176451629] [2023-11-06 22:23:35,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:35,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:35,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:35,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176451629] [2023-11-06 22:23:35,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176451629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:35,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:35,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:35,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074998533] [2023-11-06 22:23:35,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:35,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:35,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:35,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:35,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:35,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 433 [2023-11-06 22:23:35,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:35,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:35,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 433 [2023-11-06 22:23:35,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:36,006 INFO L124 PetriNetUnfolderBase]: 189/353 cut-off events. [2023-11-06 22:23:36,006 INFO L125 PetriNetUnfolderBase]: For 268/268 co-relation queries the response was YES. [2023-11-06 22:23:36,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 353 events. 189/353 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1289 event pairs, 73 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 808. Up to 311 conditions per place. [2023-11-06 22:23:36,011 INFO L140 encePairwiseOnDemand]: 426/433 looper letters, 38 selfloop transitions, 12 changer transitions 0/50 dead transitions. [2023-11-06 22:23:36,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 50 transitions, 363 flow [2023-11-06 22:23:36,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:23:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 994 transitions. [2023-11-06 22:23:36,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4591224018475751 [2023-11-06 22:23:36,016 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 994 transitions. [2023-11-06 22:23:36,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 994 transitions. [2023-11-06 22:23:36,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:36,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 994 transitions. [2023-11-06 22:23:36,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 198.8) internal successors, (994), 5 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:36,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:36,030 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:36,030 INFO L175 Difference]: Start difference. First operand has 44 places, 38 transitions, 212 flow. Second operand 5 states and 994 transitions. [2023-11-06 22:23:36,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 50 transitions, 363 flow [2023-11-06 22:23:36,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 50 transitions, 348 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-11-06 22:23:36,035 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 267 flow [2023-11-06 22:23:36,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=267, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2023-11-06 22:23:36,036 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 16 predicate places. [2023-11-06 22:23:36,036 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 267 flow [2023-11-06 22:23:36,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:36,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:36,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:36,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:23:36,038 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:36,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:36,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1057338087, now seen corresponding path program 1 times [2023-11-06 22:23:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:36,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5506220] [2023-11-06 22:23:36,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:36,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:36,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:36,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5506220] [2023-11-06 22:23:36,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5506220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:36,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:36,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:36,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831646452] [2023-11-06 22:23:36,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:36,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:36,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:36,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:36,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:23:37,021 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 433 [2023-11-06 22:23:37,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 267 flow. Second operand has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:37,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:37,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 433 [2023-11-06 22:23:37,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:37,378 INFO L124 PetriNetUnfolderBase]: 213/393 cut-off events. [2023-11-06 22:23:37,378 INFO L125 PetriNetUnfolderBase]: For 306/306 co-relation queries the response was YES. [2023-11-06 22:23:37,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 393 events. 213/393 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1502 event pairs, 43 based on Foata normal form. 8/374 useless extension candidates. Maximal degree in co-relation 1004. Up to 297 conditions per place. [2023-11-06 22:23:37,383 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 40 selfloop transitions, 21 changer transitions 0/61 dead transitions. [2023-11-06 22:23:37,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 61 transitions, 460 flow [2023-11-06 22:23:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:23:37,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:23:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1173 transitions. [2023-11-06 22:23:37,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4515011547344111 [2023-11-06 22:23:37,388 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1173 transitions. [2023-11-06 22:23:37,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1173 transitions. [2023-11-06 22:23:37,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:37,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1173 transitions. [2023-11-06 22:23:37,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.5) internal successors, (1173), 6 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:37,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:37,400 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:37,400 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 267 flow. Second operand 6 states and 1173 transitions. [2023-11-06 22:23:37,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 61 transitions, 460 flow [2023-11-06 22:23:37,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 61 transitions, 448 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-06 22:23:37,408 INFO L231 Difference]: Finished difference. Result has 55 places, 50 transitions, 371 flow [2023-11-06 22:23:37,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=55, PETRI_TRANSITIONS=50} [2023-11-06 22:23:37,411 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 22 predicate places. [2023-11-06 22:23:37,411 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 371 flow [2023-11-06 22:23:37,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:37,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:37,412 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:37,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:23:37,413 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:37,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:37,413 INFO L85 PathProgramCache]: Analyzing trace with hash 540290083, now seen corresponding path program 2 times [2023-11-06 22:23:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:37,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13929289] [2023-11-06 22:23:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:37,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:38,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:38,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13929289] [2023-11-06 22:23:38,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13929289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:38,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:38,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:38,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244650878] [2023-11-06 22:23:38,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:38,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:38,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:38,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:38,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:23:38,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 433 [2023-11-06 22:23:38,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 371 flow. Second operand has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:38,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:38,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 433 [2023-11-06 22:23:38,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:38,943 INFO L124 PetriNetUnfolderBase]: 246/448 cut-off events. [2023-11-06 22:23:38,943 INFO L125 PetriNetUnfolderBase]: For 624/624 co-relation queries the response was YES. [2023-11-06 22:23:38,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1540 conditions, 448 events. 246/448 cut-off events. For 624/624 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1782 event pairs, 59 based on Foata normal form. 8/429 useless extension candidates. Maximal degree in co-relation 1414. Up to 339 conditions per place. [2023-11-06 22:23:38,948 INFO L140 encePairwiseOnDemand]: 421/433 looper letters, 49 selfloop transitions, 30 changer transitions 0/79 dead transitions. [2023-11-06 22:23:38,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 79 transitions, 665 flow [2023-11-06 22:23:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:23:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:23:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1748 transitions. [2023-11-06 22:23:38,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485501667949705 [2023-11-06 22:23:38,956 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1748 transitions. [2023-11-06 22:23:38,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1748 transitions. [2023-11-06 22:23:38,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:38,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1748 transitions. [2023-11-06 22:23:38,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.22222222222223) internal successors, (1748), 9 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:38,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:38,972 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:38,973 INFO L175 Difference]: Start difference. First operand has 55 places, 50 transitions, 371 flow. Second operand 9 states and 1748 transitions. [2023-11-06 22:23:38,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 79 transitions, 665 flow [2023-11-06 22:23:38,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 79 transitions, 624 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-06 22:23:38,979 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 525 flow [2023-11-06 22:23:38,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=525, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2023-11-06 22:23:38,980 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-11-06 22:23:38,985 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 525 flow [2023-11-06 22:23:38,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:38,986 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:38,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:38,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:23:38,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:38,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash -656093181, now seen corresponding path program 3 times [2023-11-06 22:23:38,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:38,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018385608] [2023-11-06 22:23:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:39,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:39,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018385608] [2023-11-06 22:23:39,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018385608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:39,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:39,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:39,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617008771] [2023-11-06 22:23:39,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:39,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:39,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:23:40,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 433 [2023-11-06 22:23:40,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 525 flow. Second operand has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:40,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:40,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 433 [2023-11-06 22:23:40,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:40,437 INFO L124 PetriNetUnfolderBase]: 210/388 cut-off events. [2023-11-06 22:23:40,437 INFO L125 PetriNetUnfolderBase]: For 817/817 co-relation queries the response was YES. [2023-11-06 22:23:40,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1455 conditions, 388 events. 210/388 cut-off events. For 817/817 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1481 event pairs, 41 based on Foata normal form. 8/385 useless extension candidates. Maximal degree in co-relation 1190. Up to 253 conditions per place. [2023-11-06 22:23:40,442 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 47 selfloop transitions, 31 changer transitions 2/80 dead transitions. [2023-11-06 22:23:40,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 80 transitions, 766 flow [2023-11-06 22:23:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:23:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1364 transitions. [2023-11-06 22:23:40,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45001649620587264 [2023-11-06 22:23:40,448 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1364 transitions. [2023-11-06 22:23:40,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1364 transitions. [2023-11-06 22:23:40,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:40,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1364 transitions. [2023-11-06 22:23:40,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 194.85714285714286) internal successors, (1364), 7 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:40,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 433.0) internal successors, (3464), 8 states have internal predecessors, (3464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:40,461 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 433.0) internal successors, (3464), 8 states have internal predecessors, (3464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:40,461 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 525 flow. Second operand 7 states and 1364 transitions. [2023-11-06 22:23:40,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 80 transitions, 766 flow [2023-11-06 22:23:40,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 80 transitions, 733 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-06 22:23:40,469 INFO L231 Difference]: Finished difference. Result has 69 places, 67 transitions, 627 flow [2023-11-06 22:23:40,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=627, PETRI_PLACES=69, PETRI_TRANSITIONS=67} [2023-11-06 22:23:40,470 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 36 predicate places. [2023-11-06 22:23:40,470 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 627 flow [2023-11-06 22:23:40,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:40,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:40,472 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:40,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:23:40,472 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:40,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:40,473 INFO L85 PathProgramCache]: Analyzing trace with hash -448778180, now seen corresponding path program 1 times [2023-11-06 22:23:40,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:40,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713226057] [2023-11-06 22:23:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:40,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713226057] [2023-11-06 22:23:40,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713226057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:40,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:40,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:40,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666497605] [2023-11-06 22:23:40,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:40,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:40,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:40,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:40,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:41,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 433 [2023-11-06 22:23:41,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 627 flow. Second operand has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:41,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:41,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 433 [2023-11-06 22:23:41,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:41,506 INFO L124 PetriNetUnfolderBase]: 188/386 cut-off events. [2023-11-06 22:23:41,506 INFO L125 PetriNetUnfolderBase]: For 956/960 co-relation queries the response was YES. [2023-11-06 22:23:41,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 386 events. 188/386 cut-off events. For 956/960 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1753 event pairs, 13 based on Foata normal form. 4/375 useless extension candidates. Maximal degree in co-relation 1195. Up to 139 conditions per place. [2023-11-06 22:23:41,511 INFO L140 encePairwiseOnDemand]: 424/433 looper letters, 57 selfloop transitions, 20 changer transitions 9/106 dead transitions. [2023-11-06 22:23:41,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 106 transitions, 1002 flow [2023-11-06 22:23:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:23:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:23:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1570 transitions. [2023-11-06 22:23:41,518 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4532332563510393 [2023-11-06 22:23:41,518 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1570 transitions. [2023-11-06 22:23:41,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1570 transitions. [2023-11-06 22:23:41,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:41,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1570 transitions. [2023-11-06 22:23:41,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 196.25) internal successors, (1570), 8 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:41,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:41,534 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:41,534 INFO L175 Difference]: Start difference. First operand has 69 places, 67 transitions, 627 flow. Second operand 8 states and 1570 transitions. [2023-11-06 22:23:41,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 106 transitions, 1002 flow [2023-11-06 22:23:41,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 106 transitions, 934 flow, removed 14 selfloop flow, removed 3 redundant places. [2023-11-06 22:23:41,549 INFO L231 Difference]: Finished difference. Result has 77 places, 80 transitions, 747 flow [2023-11-06 22:23:41,550 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=747, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2023-11-06 22:23:41,552 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 44 predicate places. [2023-11-06 22:23:41,556 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 747 flow [2023-11-06 22:23:41,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:41,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:41,557 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:41,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:23:41,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:41,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:41,564 INFO L85 PathProgramCache]: Analyzing trace with hash -448778139, now seen corresponding path program 1 times [2023-11-06 22:23:41,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:41,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905376512] [2023-11-06 22:23:41,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:41,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:42,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:42,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905376512] [2023-11-06 22:23:42,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905376512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:42,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:42,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:42,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003027877] [2023-11-06 22:23:42,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:42,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:42,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:42,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:42,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:23:42,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 433 [2023-11-06 22:23:42,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 747 flow. Second operand has 8 states, 8 states have (on average 186.375) internal successors, (1491), 8 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:42,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:42,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 433 [2023-11-06 22:23:42,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:43,438 INFO L124 PetriNetUnfolderBase]: 262/498 cut-off events. [2023-11-06 22:23:43,438 INFO L125 PetriNetUnfolderBase]: For 1571/1571 co-relation queries the response was YES. [2023-11-06 22:23:43,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2026 conditions, 498 events. 262/498 cut-off events. For 1571/1571 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2179 event pairs, 29 based on Foata normal form. 10/508 useless extension candidates. Maximal degree in co-relation 1691. Up to 153 conditions per place. [2023-11-06 22:23:43,445 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 67 selfloop transitions, 57 changer transitions 12/136 dead transitions. [2023-11-06 22:23:43,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 136 transitions, 1301 flow [2023-11-06 22:23:43,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:23:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:23:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2681 transitions. [2023-11-06 22:23:43,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44226327944572746 [2023-11-06 22:23:43,456 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2681 transitions. [2023-11-06 22:23:43,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2681 transitions. [2023-11-06 22:23:43,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:43,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2681 transitions. [2023-11-06 22:23:43,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 191.5) internal successors, (2681), 14 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:43,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:43,496 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:43,496 INFO L175 Difference]: Start difference. First operand has 77 places, 80 transitions, 747 flow. Second operand 14 states and 2681 transitions. [2023-11-06 22:23:43,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 136 transitions, 1301 flow [2023-11-06 22:23:43,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 136 transitions, 1294 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:23:43,510 INFO L231 Difference]: Finished difference. Result has 94 places, 98 transitions, 1081 flow [2023-11-06 22:23:43,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1081, PETRI_PLACES=94, PETRI_TRANSITIONS=98} [2023-11-06 22:23:43,512 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 61 predicate places. [2023-11-06 22:23:43,512 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 98 transitions, 1081 flow [2023-11-06 22:23:43,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 186.375) internal successors, (1491), 8 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:43,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:43,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:43,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:23:43,513 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:43,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:43,514 INFO L85 PathProgramCache]: Analyzing trace with hash 720641434, now seen corresponding path program 2 times [2023-11-06 22:23:43,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:43,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606420967] [2023-11-06 22:23:43,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:43,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:43,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:43,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606420967] [2023-11-06 22:23:43,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606420967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:43,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:43,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:23:43,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294047023] [2023-11-06 22:23:43,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:43,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:43,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:43,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:43,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:43,957 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 433 [2023-11-06 22:23:43,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 98 transitions, 1081 flow. Second operand has 4 states, 4 states have (on average 200.25) internal successors, (801), 4 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:43,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:43,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 433 [2023-11-06 22:23:43,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:44,070 INFO L124 PetriNetUnfolderBase]: 38/122 cut-off events. [2023-11-06 22:23:44,070 INFO L125 PetriNetUnfolderBase]: For 876/876 co-relation queries the response was YES. [2023-11-06 22:23:44,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 122 events. 38/122 cut-off events. For 876/876 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 428 event pairs, 6 based on Foata normal form. 22/144 useless extension candidates. Maximal degree in co-relation 560. Up to 47 conditions per place. [2023-11-06 22:23:44,072 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 30 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2023-11-06 22:23:44,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 43 transitions, 436 flow [2023-11-06 22:23:44,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:23:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 821 transitions. [2023-11-06 22:23:44,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4740184757505774 [2023-11-06 22:23:44,077 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 821 transitions. [2023-11-06 22:23:44,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 821 transitions. [2023-11-06 22:23:44,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:44,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 821 transitions. [2023-11-06 22:23:44,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 205.25) internal successors, (821), 4 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:44,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 433.0) internal successors, (2165), 5 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:44,085 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 433.0) internal successors, (2165), 5 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:44,085 INFO L175 Difference]: Start difference. First operand has 94 places, 98 transitions, 1081 flow. Second operand 4 states and 821 transitions. [2023-11-06 22:23:44,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 43 transitions, 436 flow [2023-11-06 22:23:44,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 43 transitions, 334 flow, removed 15 selfloop flow, removed 19 redundant places. [2023-11-06 22:23:44,091 INFO L231 Difference]: Finished difference. Result has 63 places, 36 transitions, 251 flow [2023-11-06 22:23:44,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=251, PETRI_PLACES=63, PETRI_TRANSITIONS=36} [2023-11-06 22:23:44,092 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-11-06 22:23:44,092 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 36 transitions, 251 flow [2023-11-06 22:23:44,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 200.25) internal successors, (801), 4 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:44,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:44,093 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:44,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:23:44,094 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:44,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1850578685, now seen corresponding path program 1 times [2023-11-06 22:23:44,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:44,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906922068] [2023-11-06 22:23:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:44,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:44,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:44,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906922068] [2023-11-06 22:23:44,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906922068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:44,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:44,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:23:44,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53362821] [2023-11-06 22:23:44,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:44,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:23:44,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:44,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:23:44,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:45,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-06 22:23:45,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 36 transitions, 251 flow. Second operand has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:45,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:45,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-06 22:23:45,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:45,576 INFO L124 PetriNetUnfolderBase]: 66/175 cut-off events. [2023-11-06 22:23:45,576 INFO L125 PetriNetUnfolderBase]: For 345/345 co-relation queries the response was YES. [2023-11-06 22:23:45,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 675 conditions, 175 events. 66/175 cut-off events. For 345/345 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 633 event pairs, 20 based on Foata normal form. 3/178 useless extension candidates. Maximal degree in co-relation 652. Up to 80 conditions per place. [2023-11-06 22:23:45,579 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 40 selfloop transitions, 23 changer transitions 2/65 dead transitions. [2023-11-06 22:23:45,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 65 transitions, 500 flow [2023-11-06 22:23:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:23:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:23:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1704 transitions. [2023-11-06 22:23:45,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4372594303310239 [2023-11-06 22:23:45,587 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1704 transitions. [2023-11-06 22:23:45,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1704 transitions. [2023-11-06 22:23:45,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:45,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1704 transitions. [2023-11-06 22:23:45,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 189.33333333333334) internal successors, (1704), 9 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:45,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:45,603 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:45,603 INFO L175 Difference]: Start difference. First operand has 63 places, 36 transitions, 251 flow. Second operand 9 states and 1704 transitions. [2023-11-06 22:23:45,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 65 transitions, 500 flow [2023-11-06 22:23:45,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 65 transitions, 459 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-06 22:23:45,608 INFO L231 Difference]: Finished difference. Result has 71 places, 46 transitions, 377 flow [2023-11-06 22:23:45,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=377, PETRI_PLACES=71, PETRI_TRANSITIONS=46} [2023-11-06 22:23:45,609 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 38 predicate places. [2023-11-06 22:23:45,609 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 46 transitions, 377 flow [2023-11-06 22:23:45,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:45,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:45,610 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:45,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:23:45,610 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:45,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:45,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1128133878, now seen corresponding path program 1 times [2023-11-06 22:23:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:45,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404603499] [2023-11-06 22:23:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:46,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:46,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404603499] [2023-11-06 22:23:46,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404603499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:46,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:46,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:23:46,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826901241] [2023-11-06 22:23:46,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:46,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:23:46,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:46,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:23:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:23:47,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-06 22:23:47,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 46 transitions, 377 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:47,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:47,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-06 22:23:47,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:47,827 INFO L124 PetriNetUnfolderBase]: 77/202 cut-off events. [2023-11-06 22:23:47,827 INFO L125 PetriNetUnfolderBase]: For 492/492 co-relation queries the response was YES. [2023-11-06 22:23:47,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 202 events. 77/202 cut-off events. For 492/492 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 783 event pairs, 11 based on Foata normal form. 6/208 useless extension candidates. Maximal degree in co-relation 798. Up to 79 conditions per place. [2023-11-06 22:23:47,830 INFO L140 encePairwiseOnDemand]: 420/433 looper letters, 43 selfloop transitions, 28 changer transitions 2/73 dead transitions. [2023-11-06 22:23:47,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 612 flow [2023-11-06 22:23:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:23:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:23:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2257 transitions. [2023-11-06 22:23:47,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4343725943033102 [2023-11-06 22:23:47,840 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2257 transitions. [2023-11-06 22:23:47,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2257 transitions. [2023-11-06 22:23:47,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:47,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2257 transitions. [2023-11-06 22:23:47,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 188.08333333333334) internal successors, (2257), 12 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:47,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 433.0) internal successors, (5629), 13 states have internal predecessors, (5629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:47,860 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 433.0) internal successors, (5629), 13 states have internal predecessors, (5629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:47,861 INFO L175 Difference]: Start difference. First operand has 71 places, 46 transitions, 377 flow. Second operand 12 states and 2257 transitions. [2023-11-06 22:23:47,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 612 flow [2023-11-06 22:23:47,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 572 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-11-06 22:23:47,867 INFO L231 Difference]: Finished difference. Result has 82 places, 50 transitions, 459 flow [2023-11-06 22:23:47,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=459, PETRI_PLACES=82, PETRI_TRANSITIONS=50} [2023-11-06 22:23:47,868 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 49 predicate places. [2023-11-06 22:23:47,868 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 50 transitions, 459 flow [2023-11-06 22:23:47,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:47,869 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:47,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:47,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:23:47,870 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:47,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:47,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1656988907, now seen corresponding path program 1 times [2023-11-06 22:23:47,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:47,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702842621] [2023-11-06 22:23:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:48,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:48,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702842621] [2023-11-06 22:23:48,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702842621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:48,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:48,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:23:48,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875277557] [2023-11-06 22:23:48,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:48,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:23:48,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:48,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:23:48,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:48,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-06 22:23:48,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 50 transitions, 459 flow. Second operand has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:48,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:48,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-06 22:23:48,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:49,265 INFO L124 PetriNetUnfolderBase]: 78/209 cut-off events. [2023-11-06 22:23:49,266 INFO L125 PetriNetUnfolderBase]: For 773/773 co-relation queries the response was YES. [2023-11-06 22:23:49,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 934 conditions, 209 events. 78/209 cut-off events. For 773/773 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 849 event pairs, 22 based on Foata normal form. 2/211 useless extension candidates. Maximal degree in co-relation 907. Up to 87 conditions per place. [2023-11-06 22:23:49,270 INFO L140 encePairwiseOnDemand]: 425/433 looper letters, 51 selfloop transitions, 16 changer transitions 6/73 dead transitions. [2023-11-06 22:23:49,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 73 transitions, 729 flow [2023-11-06 22:23:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:23:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:23:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1509 transitions. [2023-11-06 22:23:49,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43562355658198615 [2023-11-06 22:23:49,278 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1509 transitions. [2023-11-06 22:23:49,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1509 transitions. [2023-11-06 22:23:49,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:49,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1509 transitions. [2023-11-06 22:23:49,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 188.625) internal successors, (1509), 8 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:49,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:49,293 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:49,293 INFO L175 Difference]: Start difference. First operand has 82 places, 50 transitions, 459 flow. Second operand 8 states and 1509 transitions. [2023-11-06 22:23:49,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 73 transitions, 729 flow [2023-11-06 22:23:49,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 73 transitions, 679 flow, removed 10 selfloop flow, removed 7 redundant places. [2023-11-06 22:23:49,302 INFO L231 Difference]: Finished difference. Result has 83 places, 53 transitions, 507 flow [2023-11-06 22:23:49,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=507, PETRI_PLACES=83, PETRI_TRANSITIONS=53} [2023-11-06 22:23:49,304 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 50 predicate places. [2023-11-06 22:23:49,304 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 53 transitions, 507 flow [2023-11-06 22:23:49,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:49,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:49,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:49,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:23:49,306 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:49,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash 542219779, now seen corresponding path program 2 times [2023-11-06 22:23:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:49,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150487149] [2023-11-06 22:23:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:49,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:49,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150487149] [2023-11-06 22:23:49,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150487149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:49,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:49,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:49,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661242051] [2023-11-06 22:23:49,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:49,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:23:49,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:49,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:23:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:23:50,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 433 [2023-11-06 22:23:50,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 53 transitions, 507 flow. Second operand has 7 states, 7 states have (on average 190.42857142857142) internal successors, (1333), 7 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:50,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:50,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 433 [2023-11-06 22:23:50,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:50,410 INFO L124 PetriNetUnfolderBase]: 58/179 cut-off events. [2023-11-06 22:23:50,410 INFO L125 PetriNetUnfolderBase]: For 671/675 co-relation queries the response was YES. [2023-11-06 22:23:50,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 179 events. 58/179 cut-off events. For 671/675 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 740 event pairs, 13 based on Foata normal form. 7/184 useless extension candidates. Maximal degree in co-relation 816. Up to 63 conditions per place. [2023-11-06 22:23:50,413 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 29 selfloop transitions, 31 changer transitions 2/68 dead transitions. [2023-11-06 22:23:50,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 68 transitions, 668 flow [2023-11-06 22:23:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:23:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:23:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1748 transitions. [2023-11-06 22:23:50,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485501667949705 [2023-11-06 22:23:50,422 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1748 transitions. [2023-11-06 22:23:50,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1748 transitions. [2023-11-06 22:23:50,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:50,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1748 transitions. [2023-11-06 22:23:50,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.22222222222223) internal successors, (1748), 9 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:50,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:50,437 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:50,438 INFO L175 Difference]: Start difference. First operand has 83 places, 53 transitions, 507 flow. Second operand 9 states and 1748 transitions. [2023-11-06 22:23:50,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 68 transitions, 668 flow [2023-11-06 22:23:50,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 68 transitions, 615 flow, removed 3 selfloop flow, removed 8 redundant places. [2023-11-06 22:23:50,447 INFO L231 Difference]: Finished difference. Result has 83 places, 52 transitions, 504 flow [2023-11-06 22:23:50,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=504, PETRI_PLACES=83, PETRI_TRANSITIONS=52} [2023-11-06 22:23:50,449 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 50 predicate places. [2023-11-06 22:23:50,449 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 52 transitions, 504 flow [2023-11-06 22:23:50,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 190.42857142857142) internal successors, (1333), 7 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:50,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:50,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:50,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:23:50,450 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:50,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:50,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1656988791, now seen corresponding path program 1 times [2023-11-06 22:23:50,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:50,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451202034] [2023-11-06 22:23:50,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:51,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:51,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451202034] [2023-11-06 22:23:51,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451202034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:51,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:51,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:23:51,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015106123] [2023-11-06 22:23:51,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:51,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:23:51,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:51,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:23:51,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:23:52,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-06 22:23:52,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 52 transitions, 504 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:52,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:52,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-06 22:23:52,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:52,494 INFO L124 PetriNetUnfolderBase]: 70/194 cut-off events. [2023-11-06 22:23:52,494 INFO L125 PetriNetUnfolderBase]: For 615/615 co-relation queries the response was YES. [2023-11-06 22:23:52,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 194 events. 70/194 cut-off events. For 615/615 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 766 event pairs, 33 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 870. Up to 148 conditions per place. [2023-11-06 22:23:52,497 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 40 selfloop transitions, 11 changer transitions 13/64 dead transitions. [2023-11-06 22:23:52,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 64 transitions, 664 flow [2023-11-06 22:23:52,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:23:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1873 transitions. [2023-11-06 22:23:52,504 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4325635103926097 [2023-11-06 22:23:52,504 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1873 transitions. [2023-11-06 22:23:52,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1873 transitions. [2023-11-06 22:23:52,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:52,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1873 transitions. [2023-11-06 22:23:52,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 187.3) internal successors, (1873), 10 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:52,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:52,519 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:52,520 INFO L175 Difference]: Start difference. First operand has 83 places, 52 transitions, 504 flow. Second operand 10 states and 1873 transitions. [2023-11-06 22:23:52,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 64 transitions, 664 flow [2023-11-06 22:23:52,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 64 transitions, 600 flow, removed 6 selfloop flow, removed 9 redundant places. [2023-11-06 22:23:52,527 INFO L231 Difference]: Finished difference. Result has 82 places, 44 transitions, 408 flow [2023-11-06 22:23:52,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=408, PETRI_PLACES=82, PETRI_TRANSITIONS=44} [2023-11-06 22:23:52,529 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 49 predicate places. [2023-11-06 22:23:52,529 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 44 transitions, 408 flow [2023-11-06 22:23:52,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:52,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:52,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:52,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:23:52,531 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:52,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1164231007, now seen corresponding path program 3 times [2023-11-06 22:23:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:52,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906893955] [2023-11-06 22:23:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:52,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:53,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:53,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906893955] [2023-11-06 22:23:53,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906893955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:53,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:53,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:23:53,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266302663] [2023-11-06 22:23:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:53,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:23:53,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:23:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:23:54,034 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 433 [2023-11-06 22:23:54,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 44 transitions, 408 flow. Second operand has 11 states, 11 states have (on average 183.0909090909091) internal successors, (2014), 11 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:54,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:54,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 433 [2023-11-06 22:23:54,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:54,346 INFO L124 PetriNetUnfolderBase]: 54/148 cut-off events. [2023-11-06 22:23:54,347 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2023-11-06 22:23:54,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 148 events. 54/148 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 507 event pairs, 3 based on Foata normal form. 3/151 useless extension candidates. Maximal degree in co-relation 667. Up to 35 conditions per place. [2023-11-06 22:23:54,349 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 29 selfloop transitions, 31 changer transitions 0/60 dead transitions. [2023-11-06 22:23:54,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 60 transitions, 594 flow [2023-11-06 22:23:54,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:23:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1860 transitions. [2023-11-06 22:23:54,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4295612009237875 [2023-11-06 22:23:54,354 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1860 transitions. [2023-11-06 22:23:54,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1860 transitions. [2023-11-06 22:23:54,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:54,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1860 transitions. [2023-11-06 22:23:54,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 186.0) internal successors, (1860), 10 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:54,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:54,367 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:54,368 INFO L175 Difference]: Start difference. First operand has 82 places, 44 transitions, 408 flow. Second operand 10 states and 1860 transitions. [2023-11-06 22:23:54,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 60 transitions, 594 flow [2023-11-06 22:23:54,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 541 flow, removed 6 selfloop flow, removed 9 redundant places. [2023-11-06 22:23:54,373 INFO L231 Difference]: Finished difference. Result has 73 places, 46 transitions, 484 flow [2023-11-06 22:23:54,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=484, PETRI_PLACES=73, PETRI_TRANSITIONS=46} [2023-11-06 22:23:54,374 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-11-06 22:23:54,375 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 46 transitions, 484 flow [2023-11-06 22:23:54,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 183.0909090909091) internal successors, (2014), 11 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:54,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:54,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:54,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:23:54,376 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:54,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:54,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1164230966, now seen corresponding path program 2 times [2023-11-06 22:23:54,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:54,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588928300] [2023-11-06 22:23:54,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:54,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:55,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:55,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588928300] [2023-11-06 22:23:55,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588928300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:55,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:23:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428353018] [2023-11-06 22:23:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:55,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:23:55,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:23:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:23:56,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-06 22:23:56,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 46 transitions, 484 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:56,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-06 22:23:56,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:56,465 INFO L124 PetriNetUnfolderBase]: 52/141 cut-off events. [2023-11-06 22:23:56,465 INFO L125 PetriNetUnfolderBase]: For 475/475 co-relation queries the response was YES. [2023-11-06 22:23:56,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 141 events. 52/141 cut-off events. For 475/475 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 482 event pairs, 3 based on Foata normal form. 3/144 useless extension candidates. Maximal degree in co-relation 682. Up to 30 conditions per place. [2023-11-06 22:23:56,467 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 29 selfloop transitions, 29 changer transitions 0/58 dead transitions. [2023-11-06 22:23:56,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 58 transitions, 619 flow [2023-11-06 22:23:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:23:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1869 transitions. [2023-11-06 22:23:56,473 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43163972286374136 [2023-11-06 22:23:56,473 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1869 transitions. [2023-11-06 22:23:56,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1869 transitions. [2023-11-06 22:23:56,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:56,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1869 transitions. [2023-11-06 22:23:56,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 186.9) internal successors, (1869), 10 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,493 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,493 INFO L175 Difference]: Start difference. First operand has 73 places, 46 transitions, 484 flow. Second operand 10 states and 1869 transitions. [2023-11-06 22:23:56,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 58 transitions, 619 flow [2023-11-06 22:23:56,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 58 transitions, 561 flow, removed 9 selfloop flow, removed 6 redundant places. [2023-11-06 22:23:56,502 INFO L231 Difference]: Finished difference. Result has 76 places, 44 transitions, 462 flow [2023-11-06 22:23:56,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=462, PETRI_PLACES=76, PETRI_TRANSITIONS=44} [2023-11-06 22:23:56,503 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 43 predicate places. [2023-11-06 22:23:56,503 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 44 transitions, 462 flow [2023-11-06 22:23:56,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:56,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:56,504 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:56,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:23:56,505 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:56,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:56,505 INFO L85 PathProgramCache]: Analyzing trace with hash -561840879, now seen corresponding path program 1 times [2023-11-06 22:23:56,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:56,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306066439] [2023-11-06 22:23:56,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:56,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:57,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:57,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306066439] [2023-11-06 22:23:57,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306066439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:57,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:57,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:23:57,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191895612] [2023-11-06 22:23:57,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:57,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:23:57,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:57,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:23:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:23:59,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:23:59,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 44 transitions, 462 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:59,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:23:59,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:23:59,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:23:59,822 INFO L124 PetriNetUnfolderBase]: 62/184 cut-off events. [2023-11-06 22:23:59,822 INFO L125 PetriNetUnfolderBase]: For 753/753 co-relation queries the response was YES. [2023-11-06 22:23:59,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 184 events. 62/184 cut-off events. For 753/753 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 740 event pairs, 15 based on Foata normal form. 4/188 useless extension candidates. Maximal degree in co-relation 926. Up to 93 conditions per place. [2023-11-06 22:23:59,825 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 51 selfloop transitions, 25 changer transitions 0/76 dead transitions. [2023-11-06 22:23:59,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 76 transitions, 904 flow [2023-11-06 22:23:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:23:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:23:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1933 transitions. [2023-11-06 22:23:59,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4058366575687592 [2023-11-06 22:23:59,831 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1933 transitions. [2023-11-06 22:23:59,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1933 transitions. [2023-11-06 22:23:59,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:59,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1933 transitions. [2023-11-06 22:23:59,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.72727272727272) internal successors, (1933), 11 states have internal predecessors, (1933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:59,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:59,845 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:59,845 INFO L175 Difference]: Start difference. First operand has 76 places, 44 transitions, 462 flow. Second operand 11 states and 1933 transitions. [2023-11-06 22:23:59,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 76 transitions, 904 flow [2023-11-06 22:23:59,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 76 transitions, 797 flow, removed 6 selfloop flow, removed 10 redundant places. [2023-11-06 22:23:59,852 INFO L231 Difference]: Finished difference. Result has 82 places, 59 transitions, 646 flow [2023-11-06 22:23:59,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=646, PETRI_PLACES=82, PETRI_TRANSITIONS=59} [2023-11-06 22:23:59,855 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 49 predicate places. [2023-11-06 22:23:59,855 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 59 transitions, 646 flow [2023-11-06 22:23:59,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:59,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:23:59,856 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:59,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:23:59,857 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:23:59,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:59,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1878374319, now seen corresponding path program 2 times [2023-11-06 22:23:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:59,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131552441] [2023-11-06 22:23:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:01,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:01,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131552441] [2023-11-06 22:24:01,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131552441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:01,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:01,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:01,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364024266] [2023-11-06 22:24:01,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:01,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:01,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:01,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:01,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:02,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:02,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 59 transitions, 646 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:02,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:02,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:02,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:03,059 INFO L124 PetriNetUnfolderBase]: 72/221 cut-off events. [2023-11-06 22:24:03,060 INFO L125 PetriNetUnfolderBase]: For 891/891 co-relation queries the response was YES. [2023-11-06 22:24:03,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 221 events. 72/221 cut-off events. For 891/891 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 997 event pairs, 19 based on Foata normal form. 4/225 useless extension candidates. Maximal degree in co-relation 1147. Up to 78 conditions per place. [2023-11-06 22:24:03,063 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 48 selfloop transitions, 40 changer transitions 0/88 dead transitions. [2023-11-06 22:24:03,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 88 transitions, 1058 flow [2023-11-06 22:24:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:24:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:24:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2456 transitions. [2023-11-06 22:24:03,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40514681623226656 [2023-11-06 22:24:03,070 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2456 transitions. [2023-11-06 22:24:03,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2456 transitions. [2023-11-06 22:24:03,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:03,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2456 transitions. [2023-11-06 22:24:03,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 175.42857142857142) internal successors, (2456), 14 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:03,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:03,086 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:03,087 INFO L175 Difference]: Start difference. First operand has 82 places, 59 transitions, 646 flow. Second operand 14 states and 2456 transitions. [2023-11-06 22:24:03,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 88 transitions, 1058 flow [2023-11-06 22:24:03,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 88 transitions, 1048 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-06 22:24:03,096 INFO L231 Difference]: Finished difference. Result has 97 places, 69 transitions, 878 flow [2023-11-06 22:24:03,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=878, PETRI_PLACES=97, PETRI_TRANSITIONS=69} [2023-11-06 22:24:03,097 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 64 predicate places. [2023-11-06 22:24:03,097 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 69 transitions, 878 flow [2023-11-06 22:24:03,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:03,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:03,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:03,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:24:03,099 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:03,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash 315091541, now seen corresponding path program 3 times [2023-11-06 22:24:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:03,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079812446] [2023-11-06 22:24:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:03,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:04,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079812446] [2023-11-06 22:24:04,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079812446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:04,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:04,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:04,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609563789] [2023-11-06 22:24:04,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:04,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:04,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:04,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:04,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:05,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:05,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 69 transitions, 878 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:05,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:05,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:05,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:06,590 INFO L124 PetriNetUnfolderBase]: 85/274 cut-off events. [2023-11-06 22:24:06,591 INFO L125 PetriNetUnfolderBase]: For 1430/1430 co-relation queries the response was YES. [2023-11-06 22:24:06,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1551 conditions, 274 events. 85/274 cut-off events. For 1430/1430 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1389 event pairs, 19 based on Foata normal form. 4/278 useless extension candidates. Maximal degree in co-relation 1521. Up to 87 conditions per place. [2023-11-06 22:24:06,595 INFO L140 encePairwiseOnDemand]: 421/433 looper letters, 50 selfloop transitions, 56 changer transitions 0/106 dead transitions. [2023-11-06 22:24:06,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 106 transitions, 1356 flow [2023-11-06 22:24:06,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:24:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:24:06,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2987 transitions. [2023-11-06 22:24:06,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4057872571661459 [2023-11-06 22:24:06,602 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2987 transitions. [2023-11-06 22:24:06,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2987 transitions. [2023-11-06 22:24:06,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:06,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2987 transitions. [2023-11-06 22:24:06,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 175.7058823529412) internal successors, (2987), 17 states have internal predecessors, (2987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:06,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 433.0) internal successors, (7794), 18 states have internal predecessors, (7794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:06,619 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 433.0) internal successors, (7794), 18 states have internal predecessors, (7794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:06,619 INFO L175 Difference]: Start difference. First operand has 97 places, 69 transitions, 878 flow. Second operand 17 states and 2987 transitions. [2023-11-06 22:24:06,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 106 transitions, 1356 flow [2023-11-06 22:24:06,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 106 transitions, 1251 flow, removed 18 selfloop flow, removed 8 redundant places. [2023-11-06 22:24:06,631 INFO L231 Difference]: Finished difference. Result has 110 places, 83 transitions, 1124 flow [2023-11-06 22:24:06,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1124, PETRI_PLACES=110, PETRI_TRANSITIONS=83} [2023-11-06 22:24:06,632 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 77 predicate places. [2023-11-06 22:24:06,632 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 83 transitions, 1124 flow [2023-11-06 22:24:06,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:06,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:06,633 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:06,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:24:06,633 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:06,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:06,634 INFO L85 PathProgramCache]: Analyzing trace with hash -211443407, now seen corresponding path program 4 times [2023-11-06 22:24:06,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:06,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719577752] [2023-11-06 22:24:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:07,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:07,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719577752] [2023-11-06 22:24:07,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719577752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:07,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:07,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:07,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110839759] [2023-11-06 22:24:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:07,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:07,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:07,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:07,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:08,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:08,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 83 transitions, 1124 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:08,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:08,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:08,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:09,025 INFO L124 PetriNetUnfolderBase]: 91/302 cut-off events. [2023-11-06 22:24:09,025 INFO L125 PetriNetUnfolderBase]: For 1874/1874 co-relation queries the response was YES. [2023-11-06 22:24:09,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1816 conditions, 302 events. 91/302 cut-off events. For 1874/1874 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1625 event pairs, 38 based on Foata normal form. 4/306 useless extension candidates. Maximal degree in co-relation 1782. Up to 231 conditions per place. [2023-11-06 22:24:09,031 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 85 selfloop transitions, 19 changer transitions 0/104 dead transitions. [2023-11-06 22:24:09,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 104 transitions, 1552 flow [2023-11-06 22:24:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1929 transitions. [2023-11-06 22:24:09,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4049968507243334 [2023-11-06 22:24:09,036 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1929 transitions. [2023-11-06 22:24:09,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1929 transitions. [2023-11-06 22:24:09,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:09,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1929 transitions. [2023-11-06 22:24:09,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:09,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:09,048 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:09,048 INFO L175 Difference]: Start difference. First operand has 110 places, 83 transitions, 1124 flow. Second operand 11 states and 1929 transitions. [2023-11-06 22:24:09,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 104 transitions, 1552 flow [2023-11-06 22:24:09,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 104 transitions, 1457 flow, removed 10 selfloop flow, removed 9 redundant places. [2023-11-06 22:24:09,063 INFO L231 Difference]: Finished difference. Result has 119 places, 94 transitions, 1271 flow [2023-11-06 22:24:09,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1271, PETRI_PLACES=119, PETRI_TRANSITIONS=94} [2023-11-06 22:24:09,064 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 86 predicate places. [2023-11-06 22:24:09,065 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 94 transitions, 1271 flow [2023-11-06 22:24:09,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:09,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:09,066 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:09,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:24:09,066 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:09,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:09,066 INFO L85 PathProgramCache]: Analyzing trace with hash -216856730, now seen corresponding path program 1 times [2023-11-06 22:24:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147661935] [2023-11-06 22:24:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:09,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:09,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147661935] [2023-11-06 22:24:09,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147661935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:09,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:09,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:24:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995008681] [2023-11-06 22:24:09,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:09,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:24:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:09,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:24:09,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:24:10,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:10,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 94 transitions, 1271 flow. Second operand has 12 states, 12 states have (on average 173.25) internal successors, (2079), 12 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:10,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:10,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:10,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:11,192 INFO L124 PetriNetUnfolderBase]: 93/316 cut-off events. [2023-11-06 22:24:11,192 INFO L125 PetriNetUnfolderBase]: For 2130/2130 co-relation queries the response was YES. [2023-11-06 22:24:11,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1918 conditions, 316 events. 93/316 cut-off events. For 2130/2130 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1744 event pairs, 40 based on Foata normal form. 4/320 useless extension candidates. Maximal degree in co-relation 1877. Up to 185 conditions per place. [2023-11-06 22:24:11,198 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 97 selfloop transitions, 21 changer transitions 0/118 dead transitions. [2023-11-06 22:24:11,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 118 transitions, 1732 flow [2023-11-06 22:24:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1936 transitions. [2023-11-06 22:24:11,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064665127020785 [2023-11-06 22:24:11,203 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1936 transitions. [2023-11-06 22:24:11,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1936 transitions. [2023-11-06 22:24:11,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:11,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1936 transitions. [2023-11-06 22:24:11,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 176.0) internal successors, (1936), 11 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:11,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:11,214 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:11,214 INFO L175 Difference]: Start difference. First operand has 119 places, 94 transitions, 1271 flow. Second operand 11 states and 1936 transitions. [2023-11-06 22:24:11,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 118 transitions, 1732 flow [2023-11-06 22:24:11,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 118 transitions, 1702 flow, removed 15 selfloop flow, removed 0 redundant places. [2023-11-06 22:24:11,234 INFO L231 Difference]: Finished difference. Result has 136 places, 103 transitions, 1472 flow [2023-11-06 22:24:11,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1251, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=136, PETRI_TRANSITIONS=103} [2023-11-06 22:24:11,235 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 103 predicate places. [2023-11-06 22:24:11,235 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 103 transitions, 1472 flow [2023-11-06 22:24:11,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 173.25) internal successors, (2079), 12 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:11,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:11,236 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:11,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:24:11,236 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:11,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash -113845778, now seen corresponding path program 2 times [2023-11-06 22:24:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:11,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610117708] [2023-11-06 22:24:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:12,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:12,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:12,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610117708] [2023-11-06 22:24:12,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610117708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:12,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:12,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:24:12,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769484374] [2023-11-06 22:24:12,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:12,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:24:12,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:12,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:24:12,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:24:12,919 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:12,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 103 transitions, 1472 flow. Second operand has 12 states, 12 states have (on average 173.25) internal successors, (2079), 12 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:12,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:12,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:12,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:13,384 INFO L124 PetriNetUnfolderBase]: 94/327 cut-off events. [2023-11-06 22:24:13,384 INFO L125 PetriNetUnfolderBase]: For 2503/2503 co-relation queries the response was YES. [2023-11-06 22:24:13,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2058 conditions, 327 events. 94/327 cut-off events. For 2503/2503 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1837 event pairs, 37 based on Foata normal form. 4/331 useless extension candidates. Maximal degree in co-relation 2009. Up to 198 conditions per place. [2023-11-06 22:24:13,390 INFO L140 encePairwiseOnDemand]: 421/433 looper letters, 70 selfloop transitions, 52 changer transitions 0/122 dead transitions. [2023-11-06 22:24:13,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 122 transitions, 1837 flow [2023-11-06 22:24:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1941 transitions. [2023-11-06 22:24:13,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40751627125761075 [2023-11-06 22:24:13,395 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1941 transitions. [2023-11-06 22:24:13,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1941 transitions. [2023-11-06 22:24:13,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:13,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1941 transitions. [2023-11-06 22:24:13,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 176.45454545454547) internal successors, (1941), 11 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:13,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:13,424 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:13,424 INFO L175 Difference]: Start difference. First operand has 136 places, 103 transitions, 1472 flow. Second operand 11 states and 1941 transitions. [2023-11-06 22:24:13,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 122 transitions, 1837 flow [2023-11-06 22:24:13,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 122 transitions, 1806 flow, removed 13 selfloop flow, removed 2 redundant places. [2023-11-06 22:24:13,447 INFO L231 Difference]: Finished difference. Result has 147 places, 106 transitions, 1629 flow [2023-11-06 22:24:13,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1629, PETRI_PLACES=147, PETRI_TRANSITIONS=106} [2023-11-06 22:24:13,449 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 114 predicate places. [2023-11-06 22:24:13,449 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 106 transitions, 1629 flow [2023-11-06 22:24:13,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 173.25) internal successors, (2079), 12 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:13,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:13,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:13,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:24:13,450 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:13,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:13,451 INFO L85 PathProgramCache]: Analyzing trace with hash 157795020, now seen corresponding path program 3 times [2023-11-06 22:24:13,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:13,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692709410] [2023-11-06 22:24:13,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:13,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:14,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:14,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692709410] [2023-11-06 22:24:14,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692709410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:14,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:14,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:14,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164805166] [2023-11-06 22:24:14,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:14,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:14,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:14,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:14,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:15,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 433 [2023-11-06 22:24:15,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 106 transitions, 1629 flow. Second operand has 13 states, 13 states have (on average 172.15384615384616) internal successors, (2238), 13 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:15,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:15,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 433 [2023-11-06 22:24:15,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:16,383 INFO L124 PetriNetUnfolderBase]: 95/338 cut-off events. [2023-11-06 22:24:16,384 INFO L125 PetriNetUnfolderBase]: For 2875/2875 co-relation queries the response was YES. [2023-11-06 22:24:16,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2191 conditions, 338 events. 95/338 cut-off events. For 2875/2875 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1960 event pairs, 21 based on Foata normal form. 8/346 useless extension candidates. Maximal degree in co-relation 2139. Up to 77 conditions per place. [2023-11-06 22:24:16,391 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 46 selfloop transitions, 77 changer transitions 13/136 dead transitions. [2023-11-06 22:24:16,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 136 transitions, 2138 flow [2023-11-06 22:24:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:24:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-06 22:24:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2621 transitions. [2023-11-06 22:24:16,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4035411855273287 [2023-11-06 22:24:16,397 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2621 transitions. [2023-11-06 22:24:16,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2621 transitions. [2023-11-06 22:24:16,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:16,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2621 transitions. [2023-11-06 22:24:16,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 174.73333333333332) internal successors, (2621), 15 states have internal predecessors, (2621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:16,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 433.0) internal successors, (6928), 16 states have internal predecessors, (6928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:16,421 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 433.0) internal successors, (6928), 16 states have internal predecessors, (6928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:16,421 INFO L175 Difference]: Start difference. First operand has 147 places, 106 transitions, 1629 flow. Second operand 15 states and 2621 transitions. [2023-11-06 22:24:16,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 136 transitions, 2138 flow [2023-11-06 22:24:16,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 136 transitions, 2072 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:24:16,450 INFO L231 Difference]: Finished difference. Result has 158 places, 106 transitions, 1735 flow [2023-11-06 22:24:16,450 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1547, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1735, PETRI_PLACES=158, PETRI_TRANSITIONS=106} [2023-11-06 22:24:16,451 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 125 predicate places. [2023-11-06 22:24:16,451 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 106 transitions, 1735 flow [2023-11-06 22:24:16,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.15384615384616) internal successors, (2238), 13 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:16,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:16,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:16,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:24:16,453 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:16,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:16,454 INFO L85 PathProgramCache]: Analyzing trace with hash -227923410, now seen corresponding path program 4 times [2023-11-06 22:24:16,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:16,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268285986] [2023-11-06 22:24:16,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:16,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:17,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:17,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268285986] [2023-11-06 22:24:17,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268285986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:17,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:17,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:24:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351849111] [2023-11-06 22:24:17,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:17,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:24:17,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:17,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:24:17,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:24:18,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 433 [2023-11-06 22:24:18,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 106 transitions, 1735 flow. Second operand has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:18,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:18,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 433 [2023-11-06 22:24:18,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:18,435 INFO L124 PetriNetUnfolderBase]: 58/260 cut-off events. [2023-11-06 22:24:18,435 INFO L125 PetriNetUnfolderBase]: For 2942/2948 co-relation queries the response was YES. [2023-11-06 22:24:18,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1903 conditions, 260 events. 58/260 cut-off events. For 2942/2948 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1519 event pairs, 13 based on Foata normal form. 9/268 useless extension candidates. Maximal degree in co-relation 1848. Up to 100 conditions per place. [2023-11-06 22:24:18,441 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 45 selfloop transitions, 64 changer transitions 0/116 dead transitions. [2023-11-06 22:24:18,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 116 transitions, 2001 flow [2023-11-06 22:24:18,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1997 transitions. [2023-11-06 22:24:18,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4192735670795717 [2023-11-06 22:24:18,447 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1997 transitions. [2023-11-06 22:24:18,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1997 transitions. [2023-11-06 22:24:18,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:18,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1997 transitions. [2023-11-06 22:24:18,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 181.54545454545453) internal successors, (1997), 11 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:18,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:18,459 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:18,460 INFO L175 Difference]: Start difference. First operand has 158 places, 106 transitions, 1735 flow. Second operand 11 states and 1997 transitions. [2023-11-06 22:24:18,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 116 transitions, 2001 flow [2023-11-06 22:24:18,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 116 transitions, 1825 flow, removed 24 selfloop flow, removed 13 redundant places. [2023-11-06 22:24:18,491 INFO L231 Difference]: Finished difference. Result has 154 places, 107 transitions, 1738 flow [2023-11-06 22:24:18,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1543, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1738, PETRI_PLACES=154, PETRI_TRANSITIONS=107} [2023-11-06 22:24:18,492 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 121 predicate places. [2023-11-06 22:24:18,492 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 107 transitions, 1738 flow [2023-11-06 22:24:18,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:18,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:18,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:18,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:24:18,493 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:18,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:18,494 INFO L85 PathProgramCache]: Analyzing trace with hash -113845737, now seen corresponding path program 5 times [2023-11-06 22:24:18,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:18,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882863924] [2023-11-06 22:24:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:18,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:19,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:19,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882863924] [2023-11-06 22:24:19,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882863924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:19,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:19,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:19,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073050334] [2023-11-06 22:24:19,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:19,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:19,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:19,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:20,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:20,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 107 transitions, 1738 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:20,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:20,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:20,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:21,227 INFO L124 PetriNetUnfolderBase]: 77/286 cut-off events. [2023-11-06 22:24:21,228 INFO L125 PetriNetUnfolderBase]: For 2820/2820 co-relation queries the response was YES. [2023-11-06 22:24:21,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 286 events. 77/286 cut-off events. For 2820/2820 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1596 event pairs, 18 based on Foata normal form. 8/294 useless extension candidates. Maximal degree in co-relation 1896. Up to 111 conditions per place. [2023-11-06 22:24:21,233 INFO L140 encePairwiseOnDemand]: 421/433 looper letters, 44 selfloop transitions, 55 changer transitions 17/116 dead transitions. [2023-11-06 22:24:21,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 116 transitions, 1943 flow [2023-11-06 22:24:21,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1938 transitions. [2023-11-06 22:24:21,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40688641612429144 [2023-11-06 22:24:21,238 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1938 transitions. [2023-11-06 22:24:21,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1938 transitions. [2023-11-06 22:24:21,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:21,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1938 transitions. [2023-11-06 22:24:21,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 176.1818181818182) internal successors, (1938), 11 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:21,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:21,250 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:21,250 INFO L175 Difference]: Start difference. First operand has 154 places, 107 transitions, 1738 flow. Second operand 11 states and 1938 transitions. [2023-11-06 22:24:21,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 116 transitions, 1943 flow [2023-11-06 22:24:21,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 116 transitions, 1763 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-06 22:24:21,277 INFO L231 Difference]: Finished difference. Result has 154 places, 91 transitions, 1393 flow [2023-11-06 22:24:21,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1486, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1393, PETRI_PLACES=154, PETRI_TRANSITIONS=91} [2023-11-06 22:24:21,278 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 121 predicate places. [2023-11-06 22:24:21,278 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 91 transitions, 1393 flow [2023-11-06 22:24:21,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:21,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:21,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:21,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:24:21,279 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:21,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2035759190, now seen corresponding path program 5 times [2023-11-06 22:24:21,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:21,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893274748] [2023-11-06 22:24:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:21,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:21,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:21,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893274748] [2023-11-06 22:24:21,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893274748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:21,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:21,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:24:21,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076921868] [2023-11-06 22:24:21,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:21,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:24:21,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:21,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:24:21,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:24:22,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 433 [2023-11-06 22:24:22,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 91 transitions, 1393 flow. Second operand has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:22,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:22,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 433 [2023-11-06 22:24:22,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:23,032 INFO L124 PetriNetUnfolderBase]: 46/210 cut-off events. [2023-11-06 22:24:23,032 INFO L125 PetriNetUnfolderBase]: For 2138/2142 co-relation queries the response was YES. [2023-11-06 22:24:23,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1495 conditions, 210 events. 46/210 cut-off events. For 2138/2142 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1117 event pairs, 11 based on Foata normal form. 7/216 useless extension candidates. Maximal degree in co-relation 1449. Up to 105 conditions per place. [2023-11-06 22:24:23,036 INFO L140 encePairwiseOnDemand]: 424/433 looper letters, 51 selfloop transitions, 23 changer transitions 22/103 dead transitions. [2023-11-06 22:24:23,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 103 transitions, 1701 flow [2023-11-06 22:24:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:24:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:24:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1813 transitions. [2023-11-06 22:24:23,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4187066974595843 [2023-11-06 22:24:23,041 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1813 transitions. [2023-11-06 22:24:23,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1813 transitions. [2023-11-06 22:24:23,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:23,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1813 transitions. [2023-11-06 22:24:23,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.3) internal successors, (1813), 10 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:23,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:23,052 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:23,052 INFO L175 Difference]: Start difference. First operand has 154 places, 91 transitions, 1393 flow. Second operand 10 states and 1813 transitions. [2023-11-06 22:24:23,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 103 transitions, 1701 flow [2023-11-06 22:24:23,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 103 transitions, 1470 flow, removed 8 selfloop flow, removed 20 redundant places. [2023-11-06 22:24:23,073 INFO L231 Difference]: Finished difference. Result has 139 places, 78 transitions, 1051 flow [2023-11-06 22:24:23,073 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=1165, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1051, PETRI_PLACES=139, PETRI_TRANSITIONS=78} [2023-11-06 22:24:23,074 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 106 predicate places. [2023-11-06 22:24:23,074 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 78 transitions, 1051 flow [2023-11-06 22:24:23,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:23,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:23,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:23,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:24:23,075 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:23,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash -561752570, now seen corresponding path program 6 times [2023-11-06 22:24:23,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:23,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626301889] [2023-11-06 22:24:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:23,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:23,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:23,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626301889] [2023-11-06 22:24:23,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626301889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:23,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:23,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:24:23,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999842454] [2023-11-06 22:24:23,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:23,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:24:23,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:23,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:24:23,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:24:24,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 433 [2023-11-06 22:24:24,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 78 transitions, 1051 flow. Second operand has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:24,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:24,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 433 [2023-11-06 22:24:24,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:24,715 INFO L124 PetriNetUnfolderBase]: 32/161 cut-off events. [2023-11-06 22:24:24,716 INFO L125 PetriNetUnfolderBase]: For 1350/1355 co-relation queries the response was YES. [2023-11-06 22:24:24,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1060 conditions, 161 events. 32/161 cut-off events. For 1350/1355 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 776 event pairs, 8 based on Foata normal form. 7/168 useless extension candidates. Maximal degree in co-relation 1023. Up to 40 conditions per place. [2023-11-06 22:24:24,718 INFO L140 encePairwiseOnDemand]: 424/433 looper letters, 45 selfloop transitions, 18 changer transitions 19/88 dead transitions. [2023-11-06 22:24:24,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 88 transitions, 1273 flow [2023-11-06 22:24:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:24:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:24:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1817 transitions. [2023-11-06 22:24:24,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4196304849884527 [2023-11-06 22:24:24,723 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1817 transitions. [2023-11-06 22:24:24,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1817 transitions. [2023-11-06 22:24:24,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:24,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1817 transitions. [2023-11-06 22:24:24,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.7) internal successors, (1817), 10 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:24,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:24,733 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:24,733 INFO L175 Difference]: Start difference. First operand has 139 places, 78 transitions, 1051 flow. Second operand 10 states and 1817 transitions. [2023-11-06 22:24:24,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 88 transitions, 1273 flow [2023-11-06 22:24:24,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 88 transitions, 1180 flow, removed 0 selfloop flow, removed 15 redundant places. [2023-11-06 22:24:24,746 INFO L231 Difference]: Finished difference. Result has 130 places, 58 transitions, 741 flow [2023-11-06 22:24:24,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=741, PETRI_PLACES=130, PETRI_TRANSITIONS=58} [2023-11-06 22:24:24,747 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-11-06 22:24:24,747 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 58 transitions, 741 flow [2023-11-06 22:24:24,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 179.3) internal successors, (1793), 10 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:24,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:24,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:24,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:24:24,749 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:24,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:24,749 INFO L85 PathProgramCache]: Analyzing trace with hash -374153169, now seen corresponding path program 6 times [2023-11-06 22:24:24,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:24,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401757356] [2023-11-06 22:24:24,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:25,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:25,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401757356] [2023-11-06 22:24:25,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401757356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:25,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:25,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:25,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500809638] [2023-11-06 22:24:25,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:25,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:25,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:25,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:25,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:26,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:26,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 58 transitions, 741 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:26,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:26,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:26,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:27,088 INFO L124 PetriNetUnfolderBase]: 32/134 cut-off events. [2023-11-06 22:24:27,088 INFO L125 PetriNetUnfolderBase]: For 900/900 co-relation queries the response was YES. [2023-11-06 22:24:27,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 134 events. 32/134 cut-off events. For 900/900 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 546 event pairs, 15 based on Foata normal form. 4/138 useless extension candidates. Maximal degree in co-relation 788. Up to 77 conditions per place. [2023-11-06 22:24:27,090 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 39 selfloop transitions, 7 changer transitions 21/67 dead transitions. [2023-11-06 22:24:27,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 67 transitions, 915 flow [2023-11-06 22:24:27,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1929 transitions. [2023-11-06 22:24:27,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4049968507243334 [2023-11-06 22:24:27,101 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1929 transitions. [2023-11-06 22:24:27,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1929 transitions. [2023-11-06 22:24:27,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:27,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1929 transitions. [2023-11-06 22:24:27,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:27,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:27,112 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:27,112 INFO L175 Difference]: Start difference. First operand has 130 places, 58 transitions, 741 flow. Second operand 11 states and 1929 transitions. [2023-11-06 22:24:27,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 67 transitions, 915 flow [2023-11-06 22:24:27,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 67 transitions, 754 flow, removed 2 selfloop flow, removed 24 redundant places. [2023-11-06 22:24:27,120 INFO L231 Difference]: Finished difference. Result has 108 places, 44 transitions, 446 flow [2023-11-06 22:24:27,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=446, PETRI_PLACES=108, PETRI_TRANSITIONS=44} [2023-11-06 22:24:27,121 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 75 predicate places. [2023-11-06 22:24:27,121 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 44 transitions, 446 flow [2023-11-06 22:24:27,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:27,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:27,122 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:27,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:24:27,123 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:27,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:27,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2147417457, now seen corresponding path program 7 times [2023-11-06 22:24:27,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:27,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146508092] [2023-11-06 22:24:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:27,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:28,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:28,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146508092] [2023-11-06 22:24:28,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146508092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:28,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:28,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:28,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006148199] [2023-11-06 22:24:28,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:28,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:28,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:28,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:28,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:29,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:29,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 44 transitions, 446 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:29,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:29,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:29,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:30,029 INFO L124 PetriNetUnfolderBase]: 22/93 cut-off events. [2023-11-06 22:24:30,029 INFO L125 PetriNetUnfolderBase]: For 391/391 co-relation queries the response was YES. [2023-11-06 22:24:30,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 93 events. 22/93 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 303 event pairs, 7 based on Foata normal form. 4/97 useless extension candidates. Maximal degree in co-relation 479. Up to 29 conditions per place. [2023-11-06 22:24:30,031 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 26 selfloop transitions, 24 changer transitions 0/50 dead transitions. [2023-11-06 22:24:30,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 50 transitions, 537 flow [2023-11-06 22:24:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:24:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:24:30,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1927 transitions. [2023-11-06 22:24:30,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4045769473021205 [2023-11-06 22:24:30,036 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1927 transitions. [2023-11-06 22:24:30,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1927 transitions. [2023-11-06 22:24:30,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:30,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1927 transitions. [2023-11-06 22:24:30,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.1818181818182) internal successors, (1927), 11 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:30,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:30,046 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 433.0) internal successors, (5196), 12 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:30,046 INFO L175 Difference]: Start difference. First operand has 108 places, 44 transitions, 446 flow. Second operand 11 states and 1927 transitions. [2023-11-06 22:24:30,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 50 transitions, 537 flow [2023-11-06 22:24:30,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 50 transitions, 491 flow, removed 2 selfloop flow, removed 14 redundant places. [2023-11-06 22:24:30,051 INFO L231 Difference]: Finished difference. Result has 91 places, 42 transitions, 413 flow [2023-11-06 22:24:30,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=413, PETRI_PLACES=91, PETRI_TRANSITIONS=42} [2023-11-06 22:24:30,052 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 58 predicate places. [2023-11-06 22:24:30,052 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 42 transitions, 413 flow [2023-11-06 22:24:30,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:30,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:30,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:30,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:24:30,053 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:30,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1605635701, now seen corresponding path program 8 times [2023-11-06 22:24:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:30,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275004360] [2023-11-06 22:24:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:30,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:31,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:31,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275004360] [2023-11-06 22:24:31,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275004360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:31,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:31,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:31,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24626807] [2023-11-06 22:24:31,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:31,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:31,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:31,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:31,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:32,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:32,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 42 transitions, 413 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:32,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:32,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:32,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:33,055 INFO L124 PetriNetUnfolderBase]: 20/87 cut-off events. [2023-11-06 22:24:33,056 INFO L125 PetriNetUnfolderBase]: For 299/299 co-relation queries the response was YES. [2023-11-06 22:24:33,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 87 events. 20/87 cut-off events. For 299/299 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 280 event pairs, 3 based on Foata normal form. 4/91 useless extension candidates. Maximal degree in co-relation 440. Up to 15 conditions per place. [2023-11-06 22:24:33,056 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 20 selfloop transitions, 22 changer transitions 12/54 dead transitions. [2023-11-06 22:24:33,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 54 transitions, 532 flow [2023-11-06 22:24:33,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:24:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:24:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2452 transitions. [2023-11-06 22:24:33,062 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4044869679973606 [2023-11-06 22:24:33,062 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2452 transitions. [2023-11-06 22:24:33,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2452 transitions. [2023-11-06 22:24:33,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:33,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2452 transitions. [2023-11-06 22:24:33,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 175.14285714285714) internal successors, (2452), 14 states have internal predecessors, (2452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:33,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:33,074 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:33,074 INFO L175 Difference]: Start difference. First operand has 91 places, 42 transitions, 413 flow. Second operand 14 states and 2452 transitions. [2023-11-06 22:24:33,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 54 transitions, 532 flow [2023-11-06 22:24:33,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 54 transitions, 460 flow, removed 2 selfloop flow, removed 11 redundant places. [2023-11-06 22:24:33,078 INFO L231 Difference]: Finished difference. Result has 85 places, 32 transitions, 284 flow [2023-11-06 22:24:33,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=284, PETRI_PLACES=85, PETRI_TRANSITIONS=32} [2023-11-06 22:24:33,079 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 52 predicate places. [2023-11-06 22:24:33,079 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 32 transitions, 284 flow [2023-11-06 22:24:33,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:33,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:33,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:33,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:24:33,080 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:33,081 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:33,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1740370386, now seen corresponding path program 7 times [2023-11-06 22:24:33,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:33,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080249322] [2023-11-06 22:24:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:33,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:33,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:33,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080249322] [2023-11-06 22:24:33,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080249322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:33,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:33,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:24:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490107639] [2023-11-06 22:24:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:33,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:24:33,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:33,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:24:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:24:35,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 433 [2023-11-06 22:24:35,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 32 transitions, 284 flow. Second operand has 13 states, 13 states have (on average 172.15384615384616) internal successors, (2238), 13 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:35,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:35,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 433 [2023-11-06 22:24:35,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:35,491 INFO L124 PetriNetUnfolderBase]: 12/60 cut-off events. [2023-11-06 22:24:35,491 INFO L125 PetriNetUnfolderBase]: For 192/192 co-relation queries the response was YES. [2023-11-06 22:24:35,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 60 events. 12/60 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 135 event pairs, 4 based on Foata normal form. 4/64 useless extension candidates. Maximal degree in co-relation 290. Up to 19 conditions per place. [2023-11-06 22:24:35,492 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 11 selfloop transitions, 10 changer transitions 17/38 dead transitions. [2023-11-06 22:24:35,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 38 transitions, 366 flow [2023-11-06 22:24:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:24:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:24:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1740 transitions. [2023-11-06 22:24:35,495 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4018475750577367 [2023-11-06 22:24:35,496 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1740 transitions. [2023-11-06 22:24:35,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1740 transitions. [2023-11-06 22:24:35,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:35,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1740 transitions. [2023-11-06 22:24:35,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 174.0) internal successors, (1740), 10 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:35,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:35,504 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:35,504 INFO L175 Difference]: Start difference. First operand has 85 places, 32 transitions, 284 flow. Second operand 10 states and 1740 transitions. [2023-11-06 22:24:35,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 38 transitions, 366 flow [2023-11-06 22:24:35,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 38 transitions, 283 flow, removed 0 selfloop flow, removed 16 redundant places. [2023-11-06 22:24:35,507 INFO L231 Difference]: Finished difference. Result has 73 places, 19 transitions, 134 flow [2023-11-06 22:24:35,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=134, PETRI_PLACES=73, PETRI_TRANSITIONS=19} [2023-11-06 22:24:35,507 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-11-06 22:24:35,507 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 19 transitions, 134 flow [2023-11-06 22:24:35,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.15384615384616) internal successors, (2238), 13 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:35,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:24:35,508 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:35,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:24:35,509 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:24:35,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:35,509 INFO L85 PathProgramCache]: Analyzing trace with hash -211443448, now seen corresponding path program 8 times [2023-11-06 22:24:35,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:35,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219870399] [2023-11-06 22:24:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:35,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:36,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:36,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219870399] [2023-11-06 22:24:36,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219870399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:36,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:36,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:24:36,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771298908] [2023-11-06 22:24:36,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:36,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:24:36,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:24:36,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:24:36,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 433 [2023-11-06 22:24:36,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 19 transitions, 134 flow. Second operand has 12 states, 12 states have (on average 173.25) internal successors, (2079), 12 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:36,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:24:36,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 433 [2023-11-06 22:24:36,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:24:37,122 INFO L124 PetriNetUnfolderBase]: 5/28 cut-off events. [2023-11-06 22:24:37,123 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-11-06 22:24:37,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 28 events. 5/28 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 1 based on Foata normal form. 4/32 useless extension candidates. Maximal degree in co-relation 110. Up to 15 conditions per place. [2023-11-06 22:24:37,123 INFO L140 encePairwiseOnDemand]: 424/433 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2023-11-06 22:24:37,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 20 transitions, 165 flow [2023-11-06 22:24:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:24:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:24:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1739 transitions. [2023-11-06 22:24:37,127 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40161662817551963 [2023-11-06 22:24:37,127 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1739 transitions. [2023-11-06 22:24:37,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1739 transitions. [2023-11-06 22:24:37,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:24:37,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1739 transitions. [2023-11-06 22:24:37,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.9) internal successors, (1739), 10 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:37,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:37,135 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:37,135 INFO L175 Difference]: Start difference. First operand has 73 places, 19 transitions, 134 flow. Second operand 10 states and 1739 transitions. [2023-11-06 22:24:37,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 20 transitions, 165 flow [2023-11-06 22:24:37,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 20 transitions, 102 flow, removed 1 selfloop flow, removed 25 redundant places. [2023-11-06 22:24:37,137 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-11-06 22:24:37,137 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-11-06 22:24:37,137 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-11-06 22:24:37,138 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-11-06 22:24:37,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 173.25) internal successors, (2079), 12 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:37,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-11-06 22:24:37,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-06 22:24:37,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 22:24:37,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 22:24:37,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 22:24:37,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 22:24:37,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 22:24:37,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 22:24:37,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:24:37,144 INFO L445 BasicCegarLoop]: Path program histogram: [8, 8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-06 22:24:37,150 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:24:37,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:24:37,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:24:37 BasicIcfg [2023-11-06 22:24:37,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:24:37,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:24:37,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:24:37,154 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:24:37,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:17" (3/4) ... [2023-11-06 22:24:37,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:24:37,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-11-06 22:24:37,167 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-06 22:24:37,168 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:24:37,168 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:24:37,169 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:24:37,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:24:37,231 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:24:37,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:24:37,232 INFO L158 Benchmark]: Toolchain (without parser) took 81612.59ms. Allocated memory was 134.2MB in the beginning and 524.3MB in the end (delta: 390.1MB). Free memory was 91.8MB in the beginning and 357.6MB in the end (delta: -265.8MB). Peak memory consumption was 124.7MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,232 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:37,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.77ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 91.8MB in the beginning and 126.0MB in the end (delta: -34.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.53ms. Allocated memory is still 174.1MB. Free memory was 126.0MB in the beginning and 122.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,233 INFO L158 Benchmark]: Boogie Preprocessor took 58.36ms. Allocated memory is still 174.1MB. Free memory was 122.8MB in the beginning and 119.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,234 INFO L158 Benchmark]: RCFGBuilder took 814.61ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 94.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,234 INFO L158 Benchmark]: TraceAbstraction took 79189.40ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 93.4MB in the beginning and 361.8MB in the end (delta: -268.3MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,235 INFO L158 Benchmark]: Witness Printer took 77.26ms. Allocated memory is still 524.3MB. Free memory was 361.8MB in the beginning and 357.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:24:37,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.77ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 91.8MB in the beginning and 126.0MB in the end (delta: -34.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.53ms. Allocated memory is still 174.1MB. Free memory was 126.0MB in the beginning and 122.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.36ms. Allocated memory is still 174.1MB. Free memory was 122.8MB in the beginning and 119.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 814.61ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 94.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 79189.40ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 93.4MB in the beginning and 361.8MB in the end (delta: -268.3MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 77.26ms. Allocated memory is still 524.3MB. Free memory was 361.8MB in the beginning and 357.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.3s, 182 PlacesBefore, 33 PlacesAfterwards, 183 TransitionsBefore, 27 TransitionsAfterwards, 5960 CoEnabledTransitionPairs, 8 FixpointIterations, 66 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 18 ConcurrentYvCompositions, 7 ChoiceCompositions, 205 TotalNumberOfCompositions, 11571 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5856, independent: 5564, independent conditional: 0, independent unconditional: 5564, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3391, independent: 3339, independent conditional: 0, independent unconditional: 3339, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5856, independent: 2225, independent conditional: 0, independent unconditional: 2225, dependent: 240, dependent conditional: 0, dependent unconditional: 240, unknown: 3391, unknown conditional: 0, unknown unconditional: 3391] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 74, Positive conditional cache size: 0, Positive unconditional cache size: 74, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 237 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 79.0s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 39.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10381 SdHoareTripleChecker+Valid, 30.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8412 mSDsluCounter, 7105 SdHoareTripleChecker+Invalid, 26.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6909 mSDsCounter, 815 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31456 IncrementalHoareTripleChecker+Invalid, 32271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 815 mSolverCounterUnsat, 196 mSDtfsCounter, 31456 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 422 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1738occurred in iteration=25, InterpolantAutomatonStates: 324, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 24.5s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 375 ConstructedInterpolants, 0 QuantifiedInterpolants, 6977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:24:37,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f104d3-7489-46a1-9755-75d14b8b8243/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE