./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:08,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:08,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:05:08,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:08,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:08,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:08,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:08,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:08,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:08,623 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:08,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:08,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:08,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:08,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:08,628 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:08,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:08,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:08,629 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:08,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:08,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:08,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:08,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:08,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:08,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:08,633 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:08,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:08,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:08,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:08,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:08,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:08,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:08,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:08,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:08,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:08,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:08,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:08,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:08,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:08,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:08,639 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:08,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:08,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:08,640 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_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 [2023-11-26 12:05:08,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:09,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:09,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:09,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:09,008 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:09,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-26 12:05:12,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:12,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:12,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-26 12:05:12,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/data/22db59d65/876eeda99041432b8ee3c3e78f3add2c/FLAGfeaff1396 [2023-11-26 12:05:12,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/data/22db59d65/876eeda99041432b8ee3c3e78f3add2c [2023-11-26 12:05:12,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:12,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:12,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:12,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:12,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:12,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b49e8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12, skipping insertion in model container [2023-11-26 12:05:12,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:12,603 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2800,2813] [2023-11-26 12:05:12,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:12,625 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:12,651 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2800,2813] [2023-11-26 12:05:12,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:12,664 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:12,665 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:12,672 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:12,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12 WrapperNode [2023-11-26 12:05:12,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:12,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:12,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:12,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:12,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,722 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 209 [2023-11-26 12:05:12,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:12,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:12,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:12,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:12,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,761 INFO L175 MemorySlicer]: Split 12 memory accesses to 5 slices as follows [2, 4, 2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2023-11-26 12:05:12,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:12,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:12,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:12,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:12,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (1/1) ... [2023-11-26 12:05:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:12,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:12,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:12,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:05:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:05:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:05:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:05:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:05:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:05:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:05:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:05:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:05:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:05:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:05:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 12:05:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 12:05:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 12:05:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 12:05:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 12:05:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 12:05:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:05:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:05:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:05:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:05:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:05:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:05:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:05:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:05:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:05:12,905 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:05:13,056 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:13,059 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:13,556 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:13,856 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:13,857 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:05:13,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:13 BoogieIcfgContainer [2023-11-26 12:05:13,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:13,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:13,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:13,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:13,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:12" (1/3) ... [2023-11-26 12:05:13,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159ae616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:13, skipping insertion in model container [2023-11-26 12:05:13,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:12" (2/3) ... [2023-11-26 12:05:13,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159ae616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:13, skipping insertion in model container [2023-11-26 12:05:13,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:13" (3/3) ... [2023-11-26 12:05:13,906 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-11-26 12:05:13,917 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:05:13,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:13,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:05:13,949 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:05:14,023 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 12:05:14,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 38 transitions, 97 flow [2023-11-26 12:05:14,123 INFO L124 PetriNetUnfolderBase]: 4/35 cut-off events. [2023-11-26 12:05:14,123 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 12:05:14,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 35 events. 4/35 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2023-11-26 12:05:14,130 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 38 transitions, 97 flow [2023-11-26 12:05:14,139 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 34 transitions, 86 flow [2023-11-26 12:05:14,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:14,165 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;@7aff4e60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:14,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 12:05:14,194 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:05:14,195 INFO L124 PetriNetUnfolderBase]: 4/33 cut-off events. [2023-11-26 12:05:14,195 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 12:05:14,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:14,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:14,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:14,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -194597747, now seen corresponding path program 1 times [2023-11-26 12:05:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:14,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391295311] [2023-11-26 12:05:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:14,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:14,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:14,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391295311] [2023-11-26 12:05:14,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391295311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:14,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:14,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:14,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427518657] [2023-11-26 12:05:14,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:14,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:14,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:14,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:14,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2023-11-26 12:05:14,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:14,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:14,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2023-11-26 12:05:14,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:15,347 INFO L124 PetriNetUnfolderBase]: 1300/1958 cut-off events. [2023-11-26 12:05:15,348 INFO L125 PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES. [2023-11-26 12:05:15,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3990 conditions, 1958 events. 1300/1958 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9121 event pairs, 335 based on Foata normal form. 1/1937 useless extension candidates. Maximal degree in co-relation 3352. Up to 1333 conditions per place. [2023-11-26 12:05:15,373 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 47 selfloop transitions, 4 changer transitions 1/56 dead transitions. [2023-11-26 12:05:15,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 56 transitions, 249 flow [2023-11-26 12:05:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2023-11-26 12:05:15,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6491228070175439 [2023-11-26 12:05:15,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 74 transitions. [2023-11-26 12:05:15,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 74 transitions. [2023-11-26 12:05:15,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:15,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 74 transitions. [2023-11-26 12:05:15,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,401 INFO L175 Difference]: Start difference. First operand has 40 places, 34 transitions, 86 flow. Second operand 3 states and 74 transitions. [2023-11-26 12:05:15,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 56 transitions, 249 flow [2023-11-26 12:05:15,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 56 transitions, 227 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 12:05:15,412 INFO L231 Difference]: Finished difference. Result has 37 places, 37 transitions, 100 flow [2023-11-26 12:05:15,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=37, PETRI_TRANSITIONS=37} [2023-11-26 12:05:15,418 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -3 predicate places. [2023-11-26 12:05:15,418 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 37 transitions, 100 flow [2023-11-26 12:05:15,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:15,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:15,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:05:15,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:15,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1174497164, now seen corresponding path program 1 times [2023-11-26 12:05:15,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:15,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044906364] [2023-11-26 12:05:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:15,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:15,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:15,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044906364] [2023-11-26 12:05:15,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044906364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:15,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:15,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:15,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247250536] [2023-11-26 12:05:15,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:15,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:15,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:15,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:15,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:15,735 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2023-11-26 12:05:15,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 37 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:15,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:15,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2023-11-26 12:05:15,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:16,290 INFO L124 PetriNetUnfolderBase]: 1912/3027 cut-off events. [2023-11-26 12:05:16,290 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-26 12:05:16,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6082 conditions, 3027 events. 1912/3027 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 16497 event pairs, 1180 based on Foata normal form. 0/2789 useless extension candidates. Maximal degree in co-relation 2258. Up to 1811 conditions per place. [2023-11-26 12:05:16,319 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 60 selfloop transitions, 5 changer transitions 0/74 dead transitions. [2023-11-26 12:05:16,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 74 transitions, 314 flow [2023-11-26 12:05:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2023-11-26 12:05:16,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5842105263157895 [2023-11-26 12:05:16,324 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 111 transitions. [2023-11-26 12:05:16,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 111 transitions. [2023-11-26 12:05:16,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:16,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 111 transitions. [2023-11-26 12:05:16,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:16,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:16,328 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:16,328 INFO L175 Difference]: Start difference. First operand has 37 places, 37 transitions, 100 flow. Second operand 5 states and 111 transitions. [2023-11-26 12:05:16,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 74 transitions, 314 flow [2023-11-26 12:05:16,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 74 transitions, 310 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:16,333 INFO L231 Difference]: Finished difference. Result has 43 places, 41 transitions, 132 flow [2023-11-26 12:05:16,333 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=132, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2023-11-26 12:05:16,334 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places. [2023-11-26 12:05:16,335 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 132 flow [2023-11-26 12:05:16,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:16,335 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:16,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:16,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:05:16,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:16,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:16,337 INFO L85 PathProgramCache]: Analyzing trace with hash -774077898, now seen corresponding path program 1 times [2023-11-26 12:05:16,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:16,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996953043] [2023-11-26 12:05:16,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:16,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:16,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996953043] [2023-11-26 12:05:16,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996953043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:16,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:16,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:16,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199346638] [2023-11-26 12:05:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:16,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:16,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:16,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:16,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2023-11-26 12:05:16,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:16,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:16,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2023-11-26 12:05:16,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:17,130 INFO L124 PetriNetUnfolderBase]: 1552/2472 cut-off events. [2023-11-26 12:05:17,130 INFO L125 PetriNetUnfolderBase]: For 522/620 co-relation queries the response was YES. [2023-11-26 12:05:17,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5369 conditions, 2472 events. 1552/2472 cut-off events. For 522/620 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 13115 event pairs, 1067 based on Foata normal form. 0/2264 useless extension candidates. Maximal degree in co-relation 4012. Up to 1703 conditions per place. [2023-11-26 12:05:17,157 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 56 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2023-11-26 12:05:17,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 70 transitions, 330 flow [2023-11-26 12:05:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 107 transitions. [2023-11-26 12:05:17,163 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5631578947368421 [2023-11-26 12:05:17,163 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 107 transitions. [2023-11-26 12:05:17,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 107 transitions. [2023-11-26 12:05:17,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:17,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 107 transitions. [2023-11-26 12:05:17,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,170 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,170 INFO L175 Difference]: Start difference. First operand has 43 places, 41 transitions, 132 flow. Second operand 5 states and 107 transitions. [2023-11-26 12:05:17,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 70 transitions, 330 flow [2023-11-26 12:05:17,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 70 transitions, 326 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:17,174 INFO L231 Difference]: Finished difference. Result has 48 places, 43 transitions, 153 flow [2023-11-26 12:05:17,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=153, PETRI_PLACES=48, PETRI_TRANSITIONS=43} [2023-11-26 12:05:17,175 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 8 predicate places. [2023-11-26 12:05:17,176 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 43 transitions, 153 flow [2023-11-26 12:05:17,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:17,176 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:17,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:05:17,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:17,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:17,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1744250884, now seen corresponding path program 1 times [2023-11-26 12:05:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:17,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823624914] [2023-11-26 12:05:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:17,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:17,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823624914] [2023-11-26 12:05:17,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823624914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:17,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:17,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:17,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365615257] [2023-11-26 12:05:17,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:17,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:17,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:17,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:17,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:17,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2023-11-26 12:05:17,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 43 transitions, 153 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:17,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2023-11-26 12:05:17,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:17,730 INFO L124 PetriNetUnfolderBase]: 1376/2135 cut-off events. [2023-11-26 12:05:17,730 INFO L125 PetriNetUnfolderBase]: For 788/1000 co-relation queries the response was YES. [2023-11-26 12:05:17,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5025 conditions, 2135 events. 1376/2135 cut-off events. For 788/1000 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10549 event pairs, 1018 based on Foata normal form. 0/1995 useless extension candidates. Maximal degree in co-relation 4284. Up to 1746 conditions per place. [2023-11-26 12:05:17,776 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 27 selfloop transitions, 2 changer transitions 27/65 dead transitions. [2023-11-26 12:05:17,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 65 transitions, 333 flow [2023-11-26 12:05:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 102 transitions. [2023-11-26 12:05:17,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5368421052631579 [2023-11-26 12:05:17,780 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 102 transitions. [2023-11-26 12:05:17,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 102 transitions. [2023-11-26 12:05:17,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:17,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 102 transitions. [2023-11-26 12:05:17,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,782 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,783 INFO L175 Difference]: Start difference. First operand has 48 places, 43 transitions, 153 flow. Second operand 5 states and 102 transitions. [2023-11-26 12:05:17,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 65 transitions, 333 flow [2023-11-26 12:05:17,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 65 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:17,789 INFO L231 Difference]: Finished difference. Result has 52 places, 38 transitions, 126 flow [2023-11-26 12:05:17,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=52, PETRI_TRANSITIONS=38} [2023-11-26 12:05:17,792 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 12 predicate places. [2023-11-26 12:05:17,793 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 38 transitions, 126 flow [2023-11-26 12:05:17,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:17,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:17,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:17,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:05:17,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:17,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:17,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1046650858, now seen corresponding path program 1 times [2023-11-26 12:05:17,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:17,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475559871] [2023-11-26 12:05:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:17,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:18,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:18,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475559871] [2023-11-26 12:05:18,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475559871] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:18,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631027694] [2023-11-26 12:05:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:18,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:18,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:18,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:18,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:05:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:18,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:05:18,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:18,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:18,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631027694] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:18,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:18,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2023-11-26 12:05:18,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195746459] [2023-11-26 12:05:18,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:18,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:18,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:18,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:18,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:05:18,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2023-11-26 12:05:18,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 38 transitions, 126 flow. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:18,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:18,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2023-11-26 12:05:18,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:19,225 INFO L124 PetriNetUnfolderBase]: 2124/3314 cut-off events. [2023-11-26 12:05:19,225 INFO L125 PetriNetUnfolderBase]: For 892/1062 co-relation queries the response was YES. [2023-11-26 12:05:19,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8030 conditions, 3314 events. 2124/3314 cut-off events. For 892/1062 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 18252 event pairs, 414 based on Foata normal form. 0/2938 useless extension candidates. Maximal degree in co-relation 8011. Up to 829 conditions per place. [2023-11-26 12:05:19,265 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 86 selfloop transitions, 15 changer transitions 0/109 dead transitions. [2023-11-26 12:05:19,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 109 transitions, 531 flow [2023-11-26 12:05:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-26 12:05:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 174 transitions. [2023-11-26 12:05:19,267 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5087719298245614 [2023-11-26 12:05:19,267 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 174 transitions. [2023-11-26 12:05:19,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 174 transitions. [2023-11-26 12:05:19,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:19,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 174 transitions. [2023-11-26 12:05:19,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:19,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 38.0) internal successors, (380), 10 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:19,270 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 38.0) internal successors, (380), 10 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:19,270 INFO L175 Difference]: Start difference. First operand has 52 places, 38 transitions, 126 flow. Second operand 9 states and 174 transitions. [2023-11-26 12:05:19,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 109 transitions, 531 flow [2023-11-26 12:05:19,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 109 transitions, 461 flow, removed 33 selfloop flow, removed 8 redundant places. [2023-11-26 12:05:19,293 INFO L231 Difference]: Finished difference. Result has 50 places, 49 transitions, 188 flow [2023-11-26 12:05:19,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=188, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2023-11-26 12:05:19,294 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 10 predicate places. [2023-11-26 12:05:19,294 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 188 flow [2023-11-26 12:05:19,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:19,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:19,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:19,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:19,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:19,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:19,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:19,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1137317260, now seen corresponding path program 2 times [2023-11-26 12:05:19,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:19,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030047239] [2023-11-26 12:05:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:19,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:19,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:19,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030047239] [2023-11-26 12:05:19,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030047239] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:19,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063811248] [2023-11-26 12:05:19,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:05:19,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:19,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:19,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:19,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:05:19,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:05:19,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:19,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:05:19,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:19,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:20,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:20,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063811248] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:20,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:20,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2023-11-26 12:05:20,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156483113] [2023-11-26 12:05:20,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:20,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:20,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:20,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:05:20,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2023-11-26 12:05:20,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 188 flow. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:20,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2023-11-26 12:05:20,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:20,811 INFO L124 PetriNetUnfolderBase]: 2537/3935 cut-off events. [2023-11-26 12:05:20,811 INFO L125 PetriNetUnfolderBase]: For 2176/2176 co-relation queries the response was YES. [2023-11-26 12:05:20,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9968 conditions, 3935 events. 2537/3935 cut-off events. For 2176/2176 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 21584 event pairs, 388 based on Foata normal form. 18/3923 useless extension candidates. Maximal degree in co-relation 9945. Up to 982 conditions per place. [2023-11-26 12:05:20,853 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 85 selfloop transitions, 28 changer transitions 0/121 dead transitions. [2023-11-26 12:05:20,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 121 transitions, 641 flow [2023-11-26 12:05:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-26 12:05:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2023-11-26 12:05:20,855 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4853801169590643 [2023-11-26 12:05:20,855 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 166 transitions. [2023-11-26 12:05:20,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 166 transitions. [2023-11-26 12:05:20,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:20,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 166 transitions. [2023-11-26 12:05:20,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 9 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 38.0) internal successors, (380), 10 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,858 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 38.0) internal successors, (380), 10 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,858 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 188 flow. Second operand 9 states and 166 transitions. [2023-11-26 12:05:20,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 121 transitions, 641 flow [2023-11-26 12:05:20,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 121 transitions, 638 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:20,884 INFO L231 Difference]: Finished difference. Result has 62 places, 67 transitions, 395 flow [2023-11-26 12:05:20,884 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=395, PETRI_PLACES=62, PETRI_TRANSITIONS=67} [2023-11-26 12:05:20,885 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 22 predicate places. [2023-11-26 12:05:20,885 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 67 transitions, 395 flow [2023-11-26 12:05:20,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:20,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:20,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:20,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:21,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 12:05:21,092 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:21,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash 240338180, now seen corresponding path program 3 times [2023-11-26 12:05:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:21,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217041073] [2023-11-26 12:05:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:21,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217041073] [2023-11-26 12:05:21,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217041073] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:21,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963449520] [2023-11-26 12:05:21,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 12:05:21,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:21,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:21,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:21,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:05:21,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-26 12:05:21,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:21,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:05:21,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:21,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:21,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963449520] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:21,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:21,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 14 [2023-11-26 12:05:21,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778049854] [2023-11-26 12:05:21,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:21,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:21,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:21,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:21,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-11-26 12:05:21,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2023-11-26 12:05:21,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 67 transitions, 395 flow. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:21,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:21,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2023-11-26 12:05:21,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:22,774 INFO L124 PetriNetUnfolderBase]: 3217/4991 cut-off events. [2023-11-26 12:05:22,774 INFO L125 PetriNetUnfolderBase]: For 8916/8920 co-relation queries the response was YES. [2023-11-26 12:05:22,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16251 conditions, 4991 events. 3217/4991 cut-off events. For 8916/8920 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 28320 event pairs, 692 based on Foata normal form. 22/4982 useless extension candidates. Maximal degree in co-relation 16221. Up to 1514 conditions per place. [2023-11-26 12:05:22,847 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 94 selfloop transitions, 46 changer transitions 0/148 dead transitions. [2023-11-26 12:05:22,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 148 transitions, 1026 flow [2023-11-26 12:05:22,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-26 12:05:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 179 transitions. [2023-11-26 12:05:22,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5233918128654971 [2023-11-26 12:05:22,850 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 179 transitions. [2023-11-26 12:05:22,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 179 transitions. [2023-11-26 12:05:22,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:22,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 179 transitions. [2023-11-26 12:05:22,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.88888888888889) internal successors, (179), 9 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:22,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 38.0) internal successors, (380), 10 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:22,853 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 38.0) internal successors, (380), 10 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:22,853 INFO L175 Difference]: Start difference. First operand has 62 places, 67 transitions, 395 flow. Second operand 9 states and 179 transitions. [2023-11-26 12:05:22,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 148 transitions, 1026 flow [2023-11-26 12:05:23,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 148 transitions, 1001 flow, removed 11 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:23,031 INFO L231 Difference]: Finished difference. Result has 73 places, 87 transitions, 724 flow [2023-11-26 12:05:23,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=724, PETRI_PLACES=73, PETRI_TRANSITIONS=87} [2023-11-26 12:05:23,032 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2023-11-26 12:05:23,032 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 87 transitions, 724 flow [2023-11-26 12:05:23,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:23,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:23,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:23,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:23,239 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:23,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:23,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1335512944, now seen corresponding path program 4 times [2023-11-26 12:05:23,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:23,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292210982] [2023-11-26 12:05:23,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:23,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:23,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:23,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292210982] [2023-11-26 12:05:23,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292210982] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:23,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007189743] [2023-11-26 12:05:23,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-26 12:05:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:23,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:23,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:05:23,558 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-26 12:05:23,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:23,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:05:23,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:23,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007189743] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:23,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:05:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-11-26 12:05:23,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51208773] [2023-11-26 12:05:23,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:23,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 12:05:23,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:23,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 12:05:23,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:05:23,785 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2023-11-26 12:05:23,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 87 transitions, 724 flow. Second operand has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:23,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:23,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2023-11-26 12:05:23,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:26,221 INFO L124 PetriNetUnfolderBase]: 5405/8327 cut-off events. [2023-11-26 12:05:26,222 INFO L125 PetriNetUnfolderBase]: For 30109/30205 co-relation queries the response was YES. [2023-11-26 12:05:26,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30499 conditions, 8327 events. 5405/8327 cut-off events. For 30109/30205 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 49599 event pairs, 386 based on Foata normal form. 58/7898 useless extension candidates. Maximal degree in co-relation 30463. Up to 1008 conditions per place. [2023-11-26 12:05:26,362 INFO L140 encePairwiseOnDemand]: 24/38 looper letters, 197 selfloop transitions, 149 changer transitions 0/353 dead transitions. [2023-11-26 12:05:26,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 353 transitions, 3109 flow [2023-11-26 12:05:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-26 12:05:26,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-26 12:05:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 442 transitions. [2023-11-26 12:05:26,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2023-11-26 12:05:26,367 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 442 transitions. [2023-11-26 12:05:26,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 442 transitions. [2023-11-26 12:05:26,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:26,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 442 transitions. [2023-11-26 12:05:26,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 17.0) internal successors, (442), 26 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 38.0) internal successors, (1026), 27 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,375 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 38.0) internal successors, (1026), 27 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,376 INFO L175 Difference]: Start difference. First operand has 73 places, 87 transitions, 724 flow. Second operand 26 states and 442 transitions. [2023-11-26 12:05:26,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 353 transitions, 3109 flow [2023-11-26 12:05:26,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 353 transitions, 2964 flow, removed 22 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:26,646 INFO L231 Difference]: Finished difference. Result has 102 places, 195 transitions, 2080 flow [2023-11-26 12:05:26,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=2080, PETRI_PLACES=102, PETRI_TRANSITIONS=195} [2023-11-26 12:05:26,647 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 62 predicate places. [2023-11-26 12:05:26,647 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 195 transitions, 2080 flow [2023-11-26 12:05:26,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:26,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:26,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:26,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:26,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:26,849 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:26,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash 755879208, now seen corresponding path program 5 times [2023-11-26 12:05:26,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:26,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221883379] [2023-11-26 12:05:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:27,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:27,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221883379] [2023-11-26 12:05:27,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221883379] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:27,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980798149] [2023-11-26 12:05:27,125 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-26 12:05:27,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:27,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:27,127 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:27,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:05:27,264 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:05:27,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:27,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:05:27,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:27,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:27,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980798149] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:27,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:05:27,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-26 12:05:27,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58221956] [2023-11-26 12:05:27,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:27,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-26 12:05:27,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:27,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-26 12:05:27,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-26 12:05:27,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2023-11-26 12:05:27,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 195 transitions, 2080 flow. Second operand has 15 states, 15 states have (on average 10.266666666666667) internal successors, (154), 15 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:27,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:27,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2023-11-26 12:05:27,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:30,109 INFO L124 PetriNetUnfolderBase]: 6496/9983 cut-off events. [2023-11-26 12:05:30,109 INFO L125 PetriNetUnfolderBase]: For 45639/45799 co-relation queries the response was YES. [2023-11-26 12:05:30,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40969 conditions, 9983 events. 6496/9983 cut-off events. For 45639/45799 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 60716 event pairs, 673 based on Foata normal form. 134/9990 useless extension candidates. Maximal degree in co-relation 40923. Up to 1352 conditions per place. [2023-11-26 12:05:30,246 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 185 selfloop transitions, 225 changer transitions 0/417 dead transitions. [2023-11-26 12:05:30,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 417 transitions, 4250 flow [2023-11-26 12:05:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-26 12:05:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-26 12:05:30,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 380 transitions. [2023-11-26 12:05:30,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2023-11-26 12:05:30,250 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 380 transitions. [2023-11-26 12:05:30,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 380 transitions. [2023-11-26 12:05:30,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:30,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 380 transitions. [2023-11-26 12:05:30,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 17.272727272727273) internal successors, (380), 22 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 38.0) internal successors, (874), 23 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,256 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 38.0) internal successors, (874), 23 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,256 INFO L175 Difference]: Start difference. First operand has 102 places, 195 transitions, 2080 flow. Second operand 22 states and 380 transitions. [2023-11-26 12:05:30,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 417 transitions, 4250 flow [2023-11-26 12:05:30,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 417 transitions, 4129 flow, removed 38 selfloop flow, removed 3 redundant places. [2023-11-26 12:05:30,923 INFO L231 Difference]: Finished difference. Result has 132 places, 310 transitions, 3763 flow [2023-11-26 12:05:30,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1977, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3763, PETRI_PLACES=132, PETRI_TRANSITIONS=310} [2023-11-26 12:05:30,925 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 92 predicate places. [2023-11-26 12:05:30,925 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 310 transitions, 3763 flow [2023-11-26 12:05:30,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.266666666666667) internal successors, (154), 15 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:30,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:30,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:30,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:31,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:31,132 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:31,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1214541858, now seen corresponding path program 6 times [2023-11-26 12:05:31,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:31,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398625738] [2023-11-26 12:05:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:31,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398625738] [2023-11-26 12:05:31,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398625738] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090712234] [2023-11-26 12:05:31,383 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-26 12:05:31,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:31,385 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:31,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:05:31,619 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-11-26 12:05:31,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:31,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:05:31,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:31,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:31,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090712234] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:31,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:31,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2023-11-26 12:05:31,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759312510] [2023-11-26 12:05:31,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:31,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:31,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:31,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:31,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-11-26 12:05:31,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2023-11-26 12:05:31,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 310 transitions, 3763 flow. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:31,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:31,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2023-11-26 12:05:31,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:33,458 INFO L124 PetriNetUnfolderBase]: 5398/8330 cut-off events. [2023-11-26 12:05:33,458 INFO L125 PetriNetUnfolderBase]: For 54425/54715 co-relation queries the response was YES. [2023-11-26 12:05:33,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38179 conditions, 8330 events. 5398/8330 cut-off events. For 54425/54715 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 50811 event pairs, 615 based on Foata normal form. 140/8350 useless extension candidates. Maximal degree in co-relation 38120. Up to 2599 conditions per place. [2023-11-26 12:05:33,566 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 193 selfloop transitions, 148 changer transitions 0/349 dead transitions. [2023-11-26 12:05:33,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 349 transitions, 4564 flow [2023-11-26 12:05:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:05:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-26 12:05:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2023-11-26 12:05:33,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5032894736842105 [2023-11-26 12:05:33,570 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 153 transitions. [2023-11-26 12:05:33,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 153 transitions. [2023-11-26 12:05:33,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:33,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 153 transitions. [2023-11-26 12:05:33,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:33,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 38.0) internal successors, (342), 9 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:33,573 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 38.0) internal successors, (342), 9 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:33,573 INFO L175 Difference]: Start difference. First operand has 132 places, 310 transitions, 3763 flow. Second operand 8 states and 153 transitions. [2023-11-26 12:05:33,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 349 transitions, 4564 flow [2023-11-26 12:05:34,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 349 transitions, 4397 flow, removed 68 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:34,452 INFO L231 Difference]: Finished difference. Result has 136 places, 310 transitions, 3946 flow [2023-11-26 12:05:34,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=3564, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3946, PETRI_PLACES=136, PETRI_TRANSITIONS=310} [2023-11-26 12:05:34,454 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 96 predicate places. [2023-11-26 12:05:34,454 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 310 transitions, 3946 flow [2023-11-26 12:05:34,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:34,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:34,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:34,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:34,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:05:34,661 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:34,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:34,661 INFO L85 PathProgramCache]: Analyzing trace with hash 221042104, now seen corresponding path program 1 times [2023-11-26 12:05:34,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:34,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635161095] [2023-11-26 12:05:34,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:34,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:34,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635161095] [2023-11-26 12:05:34,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635161095] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:34,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421071809] [2023-11-26 12:05:34,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:34,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:34,832 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:34,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:05:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:34,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:05:34,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:35,015 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:35,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421071809] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:35,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-26 12:05:35,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-11-26 12:05:35,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65898917] [2023-11-26 12:05:35,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:35,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:35,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:35,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:35,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-26 12:05:35,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2023-11-26 12:05:35,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 310 transitions, 3946 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:35,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:35,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2023-11-26 12:05:35,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:36,179 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([591] L66-->L60-5: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_10| (+ |v_thread2Thread1of1ForFork0_~i~1#1_9| 1)) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_9|} OutVars{thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_10|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post4#1][180], [Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 248#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 37#L48true, Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 36#L74true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 4#L60-5true, Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 11#L98-4true, Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 244#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0))]) [2023-11-26 12:05:36,179 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-26 12:05:36,179 INFO L297 olderBase$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-11-26 12:05:36,179 INFO L297 olderBase$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-11-26 12:05:36,179 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-26 12:05:36,180 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([597] L79-->L73-5: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_10| (+ |v_thread3Thread1of1ForFork1_~i~2#1_9| 1)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_9|} OutVars{thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_1|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_10|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~post7#1, thread3Thread1of1ForFork1_~i~2#1][182], [Black: 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 1212#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 1007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= 1 ~M~0)), 785#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 423#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), 37#L48true, Black: 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 10#L73-5true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 28#L61true, Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 11#L98-4true, Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0))]) [2023-11-26 12:05:36,181 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-26 12:05:36,181 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-26 12:05:36,181 INFO L297 olderBase$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-11-26 12:05:36,181 INFO L297 olderBase$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-11-26 12:05:36,301 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([591] L66-->L60-5: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_10| (+ |v_thread2Thread1of1ForFork0_~i~1#1_9| 1)) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_9|} OutVars{thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_10|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post4#1][180], [Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ 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(<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 15#L50true, 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 248#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 36#L74true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 4#L60-5true, Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 11#L98-4true, Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 244#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0))]) [2023-11-26 12:05:36,301 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,301 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,301 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,301 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,302 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([597] L79-->L73-5: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_10| (+ |v_thread3Thread1of1ForFork1_~i~2#1_9| 1)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_9|} OutVars{thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_1|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_10|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~post7#1, thread3Thread1of1ForFork1_~i~2#1][182], [Black: 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 1212#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 15#L50true, 1007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= 1 ~M~0)), 785#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 423#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 10#L73-5true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 28#L61true, Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 11#L98-4true, Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0))]) [2023-11-26 12:05:36,302 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,302 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,302 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,302 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,304 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([591] L66-->L60-5: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_10| (+ |v_thread2Thread1of1ForFork0_~i~1#1_9| 1)) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_9|} OutVars{thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_10|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post4#1][180], [Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 248#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 37#L48true, 14#L99-1true, Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 36#L74true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 4#L60-5true, Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0)), Black: 244#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0))]) [2023-11-26 12:05:36,304 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,304 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,304 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,304 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,305 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([597] L79-->L73-5: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_10| (+ |v_thread3Thread1of1ForFork1_~i~2#1_9| 1)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_9|} OutVars{thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_1|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_10|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~post7#1, thread3Thread1of1ForFork1_~i~2#1][182], [Black: 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 1212#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 1007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= 1 ~M~0)), 785#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 423#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), 37#L48true, Black: 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 14#L99-1true, Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 10#L73-5true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 28#L61true, Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0))]) [2023-11-26 12:05:36,305 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,305 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,305 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-26 12:05:36,305 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-26 12:05:36,516 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([591] L66-->L60-5: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_10| (+ |v_thread2Thread1of1ForFork0_~i~1#1_9| 1)) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_9|} OutVars{thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_1|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_10|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post4#1][180], [Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 15#L50true, 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 248#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 14#L99-1true, Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 36#L74true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 4#L60-5true, Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 244#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0))]) [2023-11-26 12:05:36,516 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-26 12:05:36,516 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-26 12:05:36,516 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-26 12:05:36,516 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-26 12:05:36,517 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([597] L79-->L73-5: Formula: (= |v_thread3Thread1of1ForFork1_~i~2#1_10| (+ |v_thread3Thread1of1ForFork1_~i~2#1_9| 1)) InVars {thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_9|} OutVars{thread3Thread1of1ForFork1_#t~post7#1=|v_thread3Thread1of1ForFork1_#t~post7#1_1|, thread3Thread1of1ForFork1_~i~2#1=|v_thread3Thread1of1ForFork1_~i~2#1_10|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~post7#1, thread3Thread1of1ForFork1_~i~2#1][182], [Black: 802#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 252#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), Black: 816#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 246#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0)), Black: 1214#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), 1212#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), Black: 1009#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1015#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1021#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1011#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 1029#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 838#(<= 1 ~N~0), Black: 1023#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1013#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 1017#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0) (<= 1 ~M~0)), Black: 1025#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) (+ ~N~0 ~M~0)) (<= 1 ~M~0)), Black: 1019#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 1000#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 15#L50true, 1007#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= 1 ~M~0)), 785#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0)), 423#(and (<= 1 ~N~0) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 605#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0)), Black: 609#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 14#L99-1true, Black: 613#(and (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 443#(<= 1 ~N~0), Black: 607#(and (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~N~0) (<= 1 ~N~0) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), 10#L73-5true, Black: 427#(and (<= 1 ~N~0) (<= 1 ~M~0)), Black: 425#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0))), Black: 262#(<= 1 ~N~0), Black: 49#(and (= ~res1~0 0) (= ~res2~0 0)), Black: 429#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (<= (+ |thread2Thread1of1ForFork0_~i~1#1| 1) ~M~0)), 28#L61true, Black: 808#(and (<= 1 ~N~0) (or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)) (or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0))), Black: 792#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 54#(and (= |ULTIMATE.start_create_fresh_int_array_~size#1| ~N~0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 677#(and (<= 1 ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 810#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 818#(and (<= 0 |thread1Thread1of1ForFork2_~i~0#1|) (<= 1 ~N~0) (= |thread2Thread1of1ForFork0_~i~1#1| 0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0)), Black: 250#(and (<= (+ ~M~0 1) ~N~0) (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0)), 1382#(and (<= (+ |thread1Thread1of1ForFork2_~i~0#1| 1) ~N~0) (<= 1 ~N~0)), Black: 796#(and (<= 1 ~N~0) (<= (+ |thread3Thread1of1ForFork1_~i~2#1| 1) ~N~0) (<= |thread3Thread1of1ForFork1_~i~2#1| ~M~0))]) [2023-11-26 12:05:36,517 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-26 12:05:36,517 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-26 12:05:36,517 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-26 12:05:36,517 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-26 12:05:36,918 INFO L124 PetriNetUnfolderBase]: 5845/9061 cut-off events. [2023-11-26 12:05:36,918 INFO L125 PetriNetUnfolderBase]: For 80919/81409 co-relation queries the response was YES. [2023-11-26 12:05:36,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43346 conditions, 9061 events. 5845/9061 cut-off events. For 80919/81409 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 55869 event pairs, 1722 based on Foata normal form. 592/9180 useless extension candidates. Maximal degree in co-relation 43287. Up to 3923 conditions per place. [2023-11-26 12:05:37,032 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 275 selfloop transitions, 43 changer transitions 0/389 dead transitions. [2023-11-26 12:05:37,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 389 transitions, 5742 flow [2023-11-26 12:05:37,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2023-11-26 12:05:37,034 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46842105263157896 [2023-11-26 12:05:37,034 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 89 transitions. [2023-11-26 12:05:37,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 89 transitions. [2023-11-26 12:05:37,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:37,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 89 transitions. [2023-11-26 12:05:37,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:37,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:37,037 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:37,037 INFO L175 Difference]: Start difference. First operand has 136 places, 310 transitions, 3946 flow. Second operand 5 states and 89 transitions. [2023-11-26 12:05:37,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 389 transitions, 5742 flow [2023-11-26 12:05:37,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 389 transitions, 5596 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:37,606 INFO L231 Difference]: Finished difference. Result has 138 places, 311 transitions, 4087 flow [2023-11-26 12:05:37,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=3836, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4087, PETRI_PLACES=138, PETRI_TRANSITIONS=311} [2023-11-26 12:05:37,608 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 98 predicate places. [2023-11-26 12:05:37,608 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 311 transitions, 4087 flow [2023-11-26 12:05:37,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:37,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:37,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:37,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:37,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:37,818 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:37,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash -352944811, now seen corresponding path program 1 times [2023-11-26 12:05:37,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:37,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627817423] [2023-11-26 12:05:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:37,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:38,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:38,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627817423] [2023-11-26 12:05:38,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627817423] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:38,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301041815] [2023-11-26 12:05:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:38,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:38,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:38,650 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:38,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 12:05:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:38,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-26 12:05:38,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:38,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:05:39,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 12:05:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:39,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:40,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2023-11-26 12:05:40,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:40,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 62 [2023-11-26 12:05:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:40,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301041815] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:40,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:05:40,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2023-11-26 12:05:40,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759409860] [2023-11-26 12:05:40,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:40,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-26 12:05:40,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:40,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-26 12:05:40,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2023-11-26 12:05:40,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2023-11-26 12:05:40,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 311 transitions, 4087 flow. Second operand has 29 states, 29 states have (on average 8.137931034482758) internal successors, (236), 29 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:40,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:40,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2023-11-26 12:05:40,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:47,141 INFO L124 PetriNetUnfolderBase]: 13299/19352 cut-off events. [2023-11-26 12:05:47,141 INFO L125 PetriNetUnfolderBase]: For 116120/116431 co-relation queries the response was YES. [2023-11-26 12:05:47,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87052 conditions, 19352 events. 13299/19352 cut-off events. For 116120/116431 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 115664 event pairs, 1375 based on Foata normal form. 227/19555 useless extension candidates. Maximal degree in co-relation 85293. Up to 10991 conditions per place. [2023-11-26 12:05:47,357 INFO L140 encePairwiseOnDemand]: 23/38 looper letters, 957 selfloop transitions, 227 changer transitions 3/1218 dead transitions. [2023-11-26 12:05:47,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 1218 transitions, 16792 flow [2023-11-26 12:05:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-26 12:05:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-26 12:05:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 476 transitions. [2023-11-26 12:05:47,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4817813765182186 [2023-11-26 12:05:47,367 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 476 transitions. [2023-11-26 12:05:47,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 476 transitions. [2023-11-26 12:05:47,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:47,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 476 transitions. [2023-11-26 12:05:47,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 18.307692307692307) internal successors, (476), 26 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:47,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 38.0) internal successors, (1026), 27 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:47,384 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 38.0) internal successors, (1026), 27 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:47,384 INFO L175 Difference]: Start difference. First operand has 138 places, 311 transitions, 4087 flow. Second operand 26 states and 476 transitions. [2023-11-26 12:05:47,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 1218 transitions, 16792 flow [2023-11-26 12:05:49,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 1218 transitions, 16695 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 12:05:49,393 INFO L231 Difference]: Finished difference. Result has 179 places, 543 transitions, 7468 flow [2023-11-26 12:05:49,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=4043, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7468, PETRI_PLACES=179, PETRI_TRANSITIONS=543} [2023-11-26 12:05:49,394 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 139 predicate places. [2023-11-26 12:05:49,394 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 543 transitions, 7468 flow [2023-11-26 12:05:49,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.137931034482758) internal successors, (236), 29 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:49,395 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:49,395 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:49,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-26 12:05:49,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 12:05:49,596 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-26 12:05:49,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:49,596 INFO L85 PathProgramCache]: Analyzing trace with hash 455018723, now seen corresponding path program 2 times [2023-11-26 12:05:49,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:49,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975243247] [2023-11-26 12:05:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:49,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:50,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:50,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975243247] [2023-11-26 12:05:50,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975243247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:50,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750535794] [2023-11-26 12:05:50,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:05:50,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:50,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:50,446 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:50,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4500556e-9513-46f7-8a62-32f72c27a39f/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 12:05:50,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:05:50,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:50,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-26 12:05:50,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:50,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:05:50,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 12:05:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:51,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:51,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750535794] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:51,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:05:51,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 10] total 27 [2023-11-26 12:05:51,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295210127] [2023-11-26 12:05:51,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:51,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-26 12:05:51,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:51,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-26 12:05:51,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2023-11-26 12:05:51,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2023-11-26 12:05:51,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 543 transitions, 7468 flow. Second operand has 28 states, 28 states have (on average 7.214285714285714) internal successors, (202), 28 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:51,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:51,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2023-11-26 12:05:51,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand