./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:47:16,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:47:16,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 04:47:16,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:47:16,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:47:16,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:47:16,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:47:16,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:47:16,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:47:16,948 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:47:16,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:47:16,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:47:16,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:47:16,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:47:16,951 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:47:16,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:47:16,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:47:16,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:47:16,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:47:16,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:47:16,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:47:16,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:47:16,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:47:16,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:47:16,955 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:47:16,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:47:16,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:47:16,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:47:16,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:47:16,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:47:16,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:47:16,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:47:16,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:47:16,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:47:16,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:47:16,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:47:16,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:47:16,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:47:16,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:47:16,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:47:16,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:47:16,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:47:16,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:47:16,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:47:16,961 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_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 [2023-11-29 04:47:17,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:47:17,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:47:17,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:47:17,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:47:17,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:47:17,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2023-11-29 04:47:19,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:47:20,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:47:20,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2023-11-29 04:47:20,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/data/49e55d737/5a66b2b2123d46099b3685ee1302d56a/FLAG71f8eccbb [2023-11-29 04:47:20,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/data/49e55d737/5a66b2b2123d46099b3685ee1302d56a [2023-11-29 04:47:20,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:47:20,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:47:20,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:47:20,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:47:20,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:47:20,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dc1962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20, skipping insertion in model container [2023-11-29 04:47:20,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:47:20,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:47:20,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:47:20,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:47:20,627 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:47:20,627 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:47:20,633 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:47:20,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20 WrapperNode [2023-11-29 04:47:20,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:47:20,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:47:20,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:47:20,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:47:20,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,745 INFO L138 Inliner]: procedures = 26, calls = 455, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 2578 [2023-11-29 04:47:20,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:47:20,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:47:20,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:47:20,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:47:20,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,837 INFO L175 MemorySlicer]: Split 284 memory accesses to 5 slices as follows [2, 2, 2, 2, 276]. 97 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 15 writes are split as follows [0, 1, 1, 1, 12]. [2023-11-29 04:47:20,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:47:20,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:47:20,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:47:20,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:47:20,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (1/1) ... [2023-11-29 04:47:20,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:47:20,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:47:20,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:47:20,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:47:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:47:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 04:47:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 04:47:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 04:47:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 04:47:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 04:47:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:47:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:47:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:47:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:47:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:47:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:47:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:47:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:47:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:47:21,008 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:47:21,222 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:47:21,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:47:23,467 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:47:27,170 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:47:27,171 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-29 04:47:27,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:27 BoogieIcfgContainer [2023-11-29 04:47:27,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:47:27,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:47:27,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:47:27,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:47:27,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:47:20" (1/3) ... [2023-11-29 04:47:27,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e39d772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:47:27, skipping insertion in model container [2023-11-29 04:47:27,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:47:20" (2/3) ... [2023-11-29 04:47:27,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e39d772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:47:27, skipping insertion in model container [2023-11-29 04:47:27,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:47:27" (3/3) ... [2023-11-29 04:47:27,180 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-11-29 04:47:27,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:47:27,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:47:27,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2023-11-29 04:47:27,199 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:47:28,007 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 04:47:28,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 265 transitions, 551 flow [2023-11-29 04:47:28,272 INFO L124 PetriNetUnfolderBase]: 42/262 cut-off events. [2023-11-29 04:47:28,272 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 04:47:28,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 262 events. 42/262 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1340 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 199. Up to 7 conditions per place. [2023-11-29 04:47:28,281 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 265 transitions, 551 flow [2023-11-29 04:47:28,293 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 260 transitions, 535 flow [2023-11-29 04:47:28,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:47:28,309 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35f94193, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:47:28,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2023-11-29 04:47:28,313 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:47:28,313 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-11-29 04:47:28,313 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:47:28,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:47:28,314 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-29 04:47:28,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-29 04:47:28,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:28,319 INFO L85 PathProgramCache]: Analyzing trace with hash 8476855, now seen corresponding path program 1 times [2023-11-29 04:47:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:47:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349218140] [2023-11-29 04:47:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:28,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:47:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:47:28,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:47:28,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349218140] [2023-11-29 04:47:28,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349218140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:47:28,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:47:28,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:47:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340631761] [2023-11-29 04:47:28,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:47:28,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:47:28,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:47:28,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:47:28,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:47:28,767 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 265 [2023-11-29 04:47:28,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 260 transitions, 535 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:47:28,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:47:28,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 265 [2023-11-29 04:47:28,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:49:45,443 INFO L124 PetriNetUnfolderBase]: 366169/492664 cut-off events. [2023-11-29 04:49:45,443 INFO L125 PetriNetUnfolderBase]: For 5989/5989 co-relation queries the response was YES. [2023-11-29 04:49:45,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985309 conditions, 492664 events. 366169/492664 cut-off events. For 5989/5989 co-relation queries the response was YES. Maximal size of possible extension queue 19580. Compared 3707757 event pairs, 291873 based on Foata normal form. 18580/277547 useless extension candidates. Maximal degree in co-relation 963290. Up to 487964 conditions per place. [2023-11-29 04:49:47,484 INFO L140 encePairwiseOnDemand]: 171/265 looper letters, 207 selfloop transitions, 37 changer transitions 0/263 dead transitions. [2023-11-29 04:49:47,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 263 transitions, 1029 flow [2023-11-29 04:49:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 04:49:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 389 transitions. [2023-11-29 04:49:47,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36698113207547167 [2023-11-29 04:49:47,501 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 389 transitions. [2023-11-29 04:49:47,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 389 transitions. [2023-11-29 04:49:47,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:49:47,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 389 transitions. [2023-11-29 04:49:47,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:49:47,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 265.0) internal successors, (1325), 5 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:49:47,516 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 265.0) internal successors, (1325), 5 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:49:47,518 INFO L175 Difference]: Start difference. First operand has 228 places, 260 transitions, 535 flow. Second operand 4 states and 389 transitions. [2023-11-29 04:49:47,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 263 transitions, 1029 flow [2023-11-29 04:49:47,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 263 transitions, 1020 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:49:47,583 INFO L231 Difference]: Finished difference. Result has 202 places, 263 transitions, 800 flow [2023-11-29 04:49:47,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=800, PETRI_PLACES=202, PETRI_TRANSITIONS=263} [2023-11-29 04:49:47,588 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -26 predicate places. [2023-11-29 04:49:47,588 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 263 transitions, 800 flow [2023-11-29 04:49:47,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:49:47,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:49:47,589 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 04:49:47,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:49:47,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-29 04:49:47,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:47,590 INFO L85 PathProgramCache]: Analyzing trace with hash -860668769, now seen corresponding path program 1 times [2023-11-29 04:49:47,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:47,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944615833] [2023-11-29 04:49:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:47,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:49:47,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:47,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944615833] [2023-11-29 04:49:47,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944615833] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:49:47,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969143151] [2023-11-29 04:49:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:47,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:47,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:47,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:47,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:49:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:48,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:49:48,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:49:48,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:48,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969143151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:48,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:49:48,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-29 04:49:48,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927148175] [2023-11-29 04:49:48,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:48,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:49:48,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:48,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:49:48,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:49:48,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 265 [2023-11-29 04:49:48,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 263 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:49:48,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:49:48,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 265 [2023-11-29 04:49:48,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:52:02,735 INFO L124 PetriNetUnfolderBase]: 366169/492652 cut-off events. [2023-11-29 04:52:02,735 INFO L125 PetriNetUnfolderBase]: For 1518/1518 co-relation queries the response was YES. [2023-11-29 04:52:03,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983847 conditions, 492652 events. 366169/492652 cut-off events. For 1518/1518 co-relation queries the response was YES. Maximal size of possible extension queue 19580. Compared 3707638 event pairs, 291873 based on Foata normal form. 12/258990 useless extension candidates. Maximal degree in co-relation 983567. Up to 487904 conditions per place. [2023-11-29 04:52:04,717 INFO L140 encePairwiseOnDemand]: 216/265 looper letters, 170 selfloop transitions, 62 changer transitions 0/251 dead transitions. [2023-11-29 04:52:04,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 251 transitions, 1216 flow [2023-11-29 04:52:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:52:04,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:52:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 376 transitions. [2023-11-29 04:52:04,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.23647798742138365 [2023-11-29 04:52:04,722 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 376 transitions. [2023-11-29 04:52:04,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 376 transitions. [2023-11-29 04:52:04,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:52:04,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 376 transitions. [2023-11-29 04:52:04,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 62.666666666666664) internal successors, (376), 6 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:52:04,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 265.0) internal successors, (1855), 7 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:52:04,727 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 265.0) internal successors, (1855), 7 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:52:04,727 INFO L175 Difference]: Start difference. First operand has 202 places, 263 transitions, 800 flow. Second operand 6 states and 376 transitions. [2023-11-29 04:52:04,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 251 transitions, 1216 flow [2023-11-29 04:52:04,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 251 transitions, 1216 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:52:04,733 INFO L231 Difference]: Finished difference. Result has 195 places, 251 transitions, 876 flow [2023-11-29 04:52:04,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=876, PETRI_PLACES=195, PETRI_TRANSITIONS=251} [2023-11-29 04:52:04,735 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -33 predicate places. [2023-11-29 04:52:04,735 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 251 transitions, 876 flow [2023-11-29 04:52:04,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:52:04,735 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:52:04,735 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 04:52:04,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:52:04,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:52:04,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-29 04:52:04,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:52:04,936 INFO L85 PathProgramCache]: Analyzing trace with hash -910919587, now seen corresponding path program 1 times [2023-11-29 04:52:04,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:52:04,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717257165] [2023-11-29 04:52:04,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:52:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:52:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:52:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:52:05,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:52:05,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717257165] [2023-11-29 04:52:05,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717257165] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:52:05,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079438071] [2023-11-29 04:52:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:52:05,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:52:05,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:52:05,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:52:05,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:52:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:52:05,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:52:05,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:52:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:52:05,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:52:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:52:05,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079438071] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:52:05,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:52:05,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2023-11-29 04:52:05,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80926847] [2023-11-29 04:52:05,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:52:05,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 04:52:05,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:52:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 04:52:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:52:05,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 265 [2023-11-29 04:52:05,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 251 transitions, 876 flow. Second operand has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:52:05,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:52:05,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 265 [2023-11-29 04:52:05,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:54:21,183 INFO L124 PetriNetUnfolderBase]: 366205/492796 cut-off events. [2023-11-29 04:54:21,183 INFO L125 PetriNetUnfolderBase]: For 1790/1790 co-relation queries the response was YES. [2023-11-29 04:54:21,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 984411 conditions, 492796 events. 366205/492796 cut-off events. For 1790/1790 co-relation queries the response was YES. Maximal size of possible extension queue 19367. Compared 3713287 event pairs, 291873 based on Foata normal form. 36/259167 useless extension candidates. Maximal degree in co-relation 983569. Up to 487955 conditions per place. [2023-11-29 04:54:23,089 INFO L140 encePairwiseOnDemand]: 216/265 looper letters, 195 selfloop transitions, 145 changer transitions 0/359 dead transitions. [2023-11-29 04:54:23,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 359 transitions, 2270 flow [2023-11-29 04:54:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:54:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 04:54:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 596 transitions. [2023-11-29 04:54:23,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.22490566037735849 [2023-11-29 04:54:23,094 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 596 transitions. [2023-11-29 04:54:23,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 596 transitions. [2023-11-29 04:54:23,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:54:23,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 596 transitions. [2023-11-29 04:54:23,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 59.6) internal successors, (596), 10 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:54:23,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 265.0) internal successors, (2915), 11 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:54:23,105 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 265.0) internal successors, (2915), 11 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:54:23,105 INFO L175 Difference]: Start difference. First operand has 195 places, 251 transitions, 876 flow. Second operand 10 states and 596 transitions. [2023-11-29 04:54:23,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 359 transitions, 2270 flow [2023-11-29 04:54:23,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 359 transitions, 1962 flow, removed 52 selfloop flow, removed 5 redundant places. [2023-11-29 04:54:23,119 INFO L231 Difference]: Finished difference. Result has 202 places, 359 transitions, 1766 flow [2023-11-29 04:54:23,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1766, PETRI_PLACES=202, PETRI_TRANSITIONS=359} [2023-11-29 04:54:23,120 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -26 predicate places. [2023-11-29 04:54:23,121 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 359 transitions, 1766 flow [2023-11-29 04:54:23,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.083333333333332) internal successors, (277), 12 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:54:23,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:54:23,121 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1] [2023-11-29 04:54:23,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:54:23,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:54:23,322 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-29 04:54:23,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash 2000662853, now seen corresponding path program 2 times [2023-11-29 04:54:23,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:54:23,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144345428] [2023-11-29 04:54:23,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:23,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:54:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:54:23,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:54:23,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144345428] [2023-11-29 04:54:23,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144345428] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:54:23,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114581000] [2023-11-29 04:54:23,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 04:54:23,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:54:23,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:54:23,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:54:23,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b638592-8b9b-44bd-bb73-db49e7864214/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:54:24,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 04:54:24,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:54:24,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:54:24,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 04:54:24,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:54:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 04:54:24,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114581000] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:54:24,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:54:24,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 2, 2] total 13 [2023-11-29 04:54:24,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506260502] [2023-11-29 04:54:24,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:54:24,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 04:54:24,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:54:24,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 04:54:24,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:54:24,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 265 [2023-11-29 04:54:24,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 359 transitions, 1766 flow. Second operand has 15 states, 15 states have (on average 23.333333333333332) internal successors, (350), 15 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:54:24,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:54:24,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 265 [2023-11-29 04:54:24,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand