./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/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_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/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_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:46:35,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:46:35,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-28 23:46:35,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:46:35,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:46:35,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:46:35,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:46:35,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:46:35,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:46:35,302 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:46:35,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:46:35,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:46:35,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:46:35,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:46:35,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:46:35,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:46:35,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:46:35,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:46:35,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:46:35,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:46:35,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:46:35,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:46:35,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:46:35,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:46:35,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 23:46:35,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:46:35,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:46:35,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:46:35,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:46:35,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:46:35,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:46:35,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:46:35,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:46:35,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:46:35,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:46:35,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:46:35,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:46:35,314 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:46:35,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:46:35,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:46:35,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:46:35,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:46:35,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:46:35,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:46:35,316 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_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 [2023-11-28 23:46:35,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:46:35,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:46:35,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:46:35,584 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:46:35,585 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:46:35,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2023-11-28 23:46:38,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:46:38,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:46:38,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2023-11-28 23:46:38,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/data/596ecda87/bb873d098a3549fd84c8ecf377783470/FLAG815483533 [2023-11-28 23:46:38,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/data/596ecda87/bb873d098a3549fd84c8ecf377783470 [2023-11-28 23:46:38,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:46:38,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:46:38,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:46:38,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:46:38,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:46:38,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:46:38" (1/1) ... [2023-11-28 23:46:38,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3439df0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:38, skipping insertion in model container [2023-11-28 23:46:38,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:46:38" (1/1) ... [2023-11-28 23:46:38,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:46:38,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:46:38,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:46:38,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:46:38,991 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:46:38,992 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:46:39,000 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:46:39,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39 WrapperNode [2023-11-28 23:46:39,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:46:39,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:46:39,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:46:39,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:46:39,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,127 INFO L138 Inliner]: procedures = 26, calls = 455, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 2579 [2023-11-28 23:46:39,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:46:39,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:46:39,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:46:39,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:46:39,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,256 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]. [2023-11-28 23:46:39,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:46:39,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:46:39,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:46:39,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:46:39,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (1/1) ... [2023-11-28 23:46:39,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:46:39,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:46:39,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:46:39,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:46:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:46:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:46:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:46:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 23:46:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-28 23:46:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-28 23:46:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-28 23:46:39,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-28 23:46:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-28 23:46:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-28 23:46:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-28 23:46:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-28 23:46:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:46:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 23:46:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 23:46:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-28 23:46:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-28 23:46:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-28 23:46:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-28 23:46:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 23:46:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:46:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:46:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:46:39,432 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-28 23:46:39,640 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:46:39,641 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:46:41,896 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:46:45,565 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:46:45,565 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-28 23:46:45,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:46:45 BoogieIcfgContainer [2023-11-28 23:46:45,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:46:45,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:46:45,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:46:45,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:46:45,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:46:38" (1/3) ... [2023-11-28 23:46:45,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b681d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:46:45, skipping insertion in model container [2023-11-28 23:46:45,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:46:39" (2/3) ... [2023-11-28 23:46:45,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b681d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:46:45, skipping insertion in model container [2023-11-28 23:46:45,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:46:45" (3/3) ... [2023-11-28 23:46:45,575 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2023-11-28 23:46:45,584 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-28 23:46:45,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:46:45,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2023-11-28 23:46:45,595 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-28 23:46:46,502 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-28 23:46:46,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 265 transitions, 551 flow [2023-11-28 23:46:46,698 INFO L124 PetriNetUnfolderBase]: 42/262 cut-off events. [2023-11-28 23:46:46,698 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-28 23:46:46,707 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 32. Compared 1336 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. [2023-11-28 23:46:46,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 265 transitions, 551 flow [2023-11-28 23:46:46,720 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 260 transitions, 535 flow [2023-11-28 23:46:46,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:46:46,738 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;@590851aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:46:46,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2023-11-28 23:46:46,741 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-28 23:46:46,742 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-11-28 23:46:46,742 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-28 23:46:46,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:46:46,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-28 23:46:46,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-28 23:46:46,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:46:46,748 INFO L85 PathProgramCache]: Analyzing trace with hash 8491275, now seen corresponding path program 1 times [2023-11-28 23:46:46,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:46:46,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443126716] [2023-11-28 23:46:46,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:46:46,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:46:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:46:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:46:47,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:46:47,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443126716] [2023-11-28 23:46:47,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443126716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:46:47,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:46:47,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:46:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031522401] [2023-11-28 23:46:47,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:46:47,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:46:47,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:46:47,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:46:47,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:46:47,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 265 [2023-11-28 23:46:47,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 260 transitions, 535 flow. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:46:47,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:46:47,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 265 [2023-11-28 23:46:47,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:49:04,992 INFO L124 PetriNetUnfolderBase]: 375038/504635 cut-off events. [2023-11-28 23:49:04,992 INFO L125 PetriNetUnfolderBase]: For 6125/6125 co-relation queries the response was YES. [2023-11-28 23:49:05,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009311 conditions, 504635 events. 375038/504635 cut-off events. For 6125/6125 co-relation queries the response was YES. Maximal size of possible extension queue 19526. Compared 3778697 event pairs, 299478 based on Foata normal form. 18896/285973 useless extension candidates. Maximal degree in co-relation 986748. Up to 499955 conditions per place. [2023-11-28 23:49:07,123 INFO L140 encePairwiseOnDemand]: 171/265 looper letters, 208 selfloop transitions, 37 changer transitions 0/263 dead transitions. [2023-11-28 23:49:07,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 263 transitions, 1031 flow [2023-11-28 23:49:07,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:49:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-28 23:49:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 386 transitions. [2023-11-28 23:49:07,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3641509433962264 [2023-11-28 23:49:07,138 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 386 transitions. [2023-11-28 23:49:07,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 386 transitions. [2023-11-28 23:49:07,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:49:07,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 386 transitions. [2023-11-28 23:49:07,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:49:07,150 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) [2023-11-28 23:49:07,151 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) [2023-11-28 23:49:07,152 INFO L175 Difference]: Start difference. First operand has 228 places, 260 transitions, 535 flow. Second operand 4 states and 386 transitions. [2023-11-28 23:49:07,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 263 transitions, 1031 flow [2023-11-28 23:49:07,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 263 transitions, 1022 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-28 23:49:07,229 INFO L231 Difference]: Finished difference. Result has 202 places, 263 transitions, 800 flow [2023-11-28 23:49:07,231 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} [2023-11-28 23:49:07,234 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -26 predicate places. [2023-11-28 23:49:07,235 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 263 transitions, 800 flow [2023-11-28 23:49:07,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:49:07,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:49:07,235 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-11-28 23:49:07,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:49:07,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-28 23:49:07,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:49:07,237 INFO L85 PathProgramCache]: Analyzing trace with hash -431114257, now seen corresponding path program 1 times [2023-11-28 23:49:07,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:49:07,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019952108] [2023-11-28 23:49:07,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:49:07,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:49:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:49:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:49:07,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:49:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019952108] [2023-11-28 23:49:07,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019952108] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:49:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243523125] [2023-11-28 23:49:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:49:07,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:49:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:49:07,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:49:07,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 23:49:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:49:07,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:49:07,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:49:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:49:08,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:49:08,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243523125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:49:08,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:49:08,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-11-28 23:49:08,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047852581] [2023-11-28 23:49:08,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:49:08,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:49:08,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:49:08,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:49:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-28 23:49:08,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 265 [2023-11-28 23:49:08,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 263 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:49:08,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:49:08,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 265 [2023-11-28 23:49:08,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:51:21,620 INFO L124 PetriNetUnfolderBase]: 375038/504623 cut-off events. [2023-11-28 23:51:21,620 INFO L125 PetriNetUnfolderBase]: For 1566/1566 co-relation queries the response was YES. [2023-11-28 23:51:22,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1007809 conditions, 504623 events. 375038/504623 cut-off events. For 1566/1566 co-relation queries the response was YES. Maximal size of possible extension queue 19526. Compared 3778685 event pairs, 299478 based on Foata normal form. 12/267100 useless extension candidates. Maximal degree in co-relation 1007529. Up to 499895 conditions per place. [2023-11-28 23:51:23,885 INFO L140 encePairwiseOnDemand]: 216/265 looper letters, 171 selfloop transitions, 62 changer transitions 0/251 dead transitions. [2023-11-28 23:51:23,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 251 transitions, 1218 flow [2023-11-28 23:51:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:51:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-28 23:51:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 371 transitions. [2023-11-28 23:51:23,889 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.23333333333333334 [2023-11-28 23:51:23,889 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 371 transitions. [2023-11-28 23:51:23,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 371 transitions. [2023-11-28 23:51:23,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:51:23,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 371 transitions. [2023-11-28 23:51:23,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:51:23,895 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) [2023-11-28 23:51:23,897 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) [2023-11-28 23:51:23,897 INFO L175 Difference]: Start difference. First operand has 202 places, 263 transitions, 800 flow. Second operand 6 states and 371 transitions. [2023-11-28 23:51:23,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 251 transitions, 1218 flow [2023-11-28 23:51:23,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 251 transitions, 1218 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 23:51:23,906 INFO L231 Difference]: Finished difference. Result has 195 places, 251 transitions, 876 flow [2023-11-28 23:51:23,906 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} [2023-11-28 23:51:23,907 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -33 predicate places. [2023-11-28 23:51:23,907 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 251 transitions, 876 flow [2023-11-28 23:51:23,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:51:23,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:51:23,908 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1] [2023-11-28 23:51:23,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:51:24,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:51:24,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-28 23:51:24,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:51:24,110 INFO L85 PathProgramCache]: Analyzing trace with hash -479631636, now seen corresponding path program 1 times [2023-11-28 23:51:24,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:51:24,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556388421] [2023-11-28 23:51:24,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:51:24,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:51:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:51:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:51:24,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:51:24,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556388421] [2023-11-28 23:51:24,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556388421] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:51:24,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889145969] [2023-11-28 23:51:24,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:51:24,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:51:24,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:51:24,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:51:24,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 23:51:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:51:24,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:51:24,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:51:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:51:24,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:51:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:51:24,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889145969] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:51:24,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:51:24,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2023-11-28 23:51:24,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111670197] [2023-11-28 23:51:24,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:51:24,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 23:51:24,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:51:24,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 23:51:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-28 23:51:25,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 265 [2023-11-28 23:51:25,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 251 transitions, 876 flow. Second operand has 12 states, 12 states have (on average 22.083333333333332) internal successors, (265), 12 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:51:25,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:51:25,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 265 [2023-11-28 23:51:25,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:53:37,125 INFO L124 PetriNetUnfolderBase]: 375074/504767 cut-off events. [2023-11-28 23:53:37,125 INFO L125 PetriNetUnfolderBase]: For 1838/1838 co-relation queries the response was YES. [2023-11-28 23:53:37,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008373 conditions, 504767 events. 375074/504767 cut-off events. For 1838/1838 co-relation queries the response was YES. Maximal size of possible extension queue 19523. Compared 3779870 event pairs, 299478 based on Foata normal form. 36/267277 useless extension candidates. Maximal degree in co-relation 1007531. Up to 499946 conditions per place. [2023-11-28 23:53:39,293 INFO L140 encePairwiseOnDemand]: 216/265 looper letters, 196 selfloop transitions, 145 changer transitions 0/359 dead transitions. [2023-11-28 23:53:39,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 359 transitions, 2272 flow [2023-11-28 23:53:39,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 23:53:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-28 23:53:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 587 transitions. [2023-11-28 23:53:39,297 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.22150943396226416 [2023-11-28 23:53:39,297 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 587 transitions. [2023-11-28 23:53:39,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 587 transitions. [2023-11-28 23:53:39,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:53:39,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 587 transitions. [2023-11-28 23:53:39,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 58.7) internal successors, (587), 10 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:53:39,303 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) [2023-11-28 23:53:39,304 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) [2023-11-28 23:53:39,304 INFO L175 Difference]: Start difference. First operand has 195 places, 251 transitions, 876 flow. Second operand 10 states and 587 transitions. [2023-11-28 23:53:39,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 359 transitions, 2272 flow [2023-11-28 23:53:39,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 359 transitions, 1964 flow, removed 52 selfloop flow, removed 5 redundant places. [2023-11-28 23:53:39,314 INFO L231 Difference]: Finished difference. Result has 202 places, 359 transitions, 1766 flow [2023-11-28 23:53:39,314 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} [2023-11-28 23:53:39,315 INFO L281 CegarLoopForPetriNet]: 228 programPoint places, -26 predicate places. [2023-11-28 23:53:39,315 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 359 transitions, 1766 flow [2023-11-28 23:53:39,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.083333333333332) internal successors, (265), 12 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:53:39,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:53:39,315 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1] [2023-11-28 23:53:39,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 23:53:39,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:53:39,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-11-28 23:53:39,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:53:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -97753520, now seen corresponding path program 2 times [2023-11-28 23:53:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:53:39,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435867455] [2023-11-28 23:53:39,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:53:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:53:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:53:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:53:39,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:53:39,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435867455] [2023-11-28 23:53:39,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435867455] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:53:39,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777915111] [2023-11-28 23:53:39,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:53:39,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:53:39,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:53:39,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:53:39,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975504bf-64e0-4d4f-b7d2-fe5fb4915f81/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 23:53:40,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-28 23:53:40,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:53:40,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:53:40,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:53:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-28 23:53:40,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:53:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-28 23:53:40,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777915111] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:53:40,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:53:40,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 2, 2] total 13 [2023-11-28 23:53:40,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156655487] [2023-11-28 23:53:40,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:53:40,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-28 23:53:40,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:53:40,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-28 23:53:40,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-28 23:53:40,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 265 [2023-11-28 23:53:40,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 359 transitions, 1766 flow. Second operand has 15 states, 15 states have (on average 22.333333333333332) internal successors, (335), 15 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:53:40,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:53:40,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 265 [2023-11-28 23:53:40,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand