./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB --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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:21:59,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:21:59,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:21:59,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:21:59,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:21:59,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:21:59,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:21:59,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:21:59,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:21:59,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:21:59,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:21:59,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:21:59,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:21:59,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:21:59,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:21:59,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:21:59,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:21:59,219 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:59,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:59,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:59,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:21:59,220 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2024-11-27 20:21:59,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:21:59,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:21:59,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:21:59,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:21:59,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:21:59,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-11-27 20:22:02,776 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/8f7a3d1d9/d7359adfd4c04191bd34dfa140acd450/FLAG53fad9827 [2024-11-27 20:22:03,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:22:03,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-11-27 20:22:03,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/8f7a3d1d9/d7359adfd4c04191bd34dfa140acd450/FLAG53fad9827 [2024-11-27 20:22:03,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/8f7a3d1d9/d7359adfd4c04191bd34dfa140acd450 [2024-11-27 20:22:03,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:22:03,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:22:03,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:03,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:22:03,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:22:03,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2152b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03, skipping insertion in model container [2024-11-27 20:22:03,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:22:03,482 WARN L250 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_e21aedc6-d231-4c24-8d0d-1488d877cf34/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2024-11-27 20:22:03,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:03,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:22:03,535 WARN L250 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_e21aedc6-d231-4c24-8d0d-1488d877cf34/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2024-11-27 20:22:03,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:03,558 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:22:03,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03 WrapperNode [2024-11-27 20:22:03,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:03,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:03,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:22:03,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:22:03,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,638 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 353 [2024-11-27 20:22:03,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:03,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:22:03,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:22:03,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:22:03,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,702 INFO L175 MemorySlicer]: Split 30 memory accesses to 3 slices as follows [2, 24, 4]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 3, 1]. [2024-11-27 20:22:03,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:22:03,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:22:03,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:22:03,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:22:03,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (1/1) ... [2024-11-27 20:22:03,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:03,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:22:03,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:22:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:22:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:22:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:22:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:22:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:22:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:22:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:22:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:22:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:22:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:22:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 20:22:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 20:22:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:22:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:22:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:22:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 20:22:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 20:22:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:22:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:22:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:22:03,855 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:22:04,017 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:22:04,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:22:04,766 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:22:04,767 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:22:05,542 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:22:05,543 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-27 20:22:05,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:05 BoogieIcfgContainer [2024-11-27 20:22:05,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:22:05,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:22:05,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:22:05,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:22:05,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:22:03" (1/3) ... [2024-11-27 20:22:05,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a18bc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:05, skipping insertion in model container [2024-11-27 20:22:05,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:03" (2/3) ... [2024-11-27 20:22:05,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a18bc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:05, skipping insertion in model container [2024-11-27 20:22:05,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:05" (3/3) ... [2024-11-27 20:22:05,560 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-11-27 20:22:05,579 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:22:05,582 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product-alt.wvr.c that has 4 procedures, 33 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-27 20:22:05,582 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:22:05,764 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 20:22:05,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 39 transitions, 99 flow [2024-11-27 20:22:05,869 INFO L124 PetriNetUnfolderBase]: 7/36 cut-off events. [2024-11-27 20:22:05,872 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:22:05,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 36 events. 7/36 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-11-27 20:22:05,878 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 39 transitions, 99 flow [2024-11-27 20:22:05,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 35 transitions, 88 flow [2024-11-27 20:22:05,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:22:05,919 INFO L333 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, 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;@79de3eae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:22:05,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 20:22:05,944 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:22:05,944 INFO L124 PetriNetUnfolderBase]: 7/34 cut-off events. [2024-11-27 20:22:05,945 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:22:05,945 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:05,946 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:05,946 INFO L396 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)] === [2024-11-27 20:22:05,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:05,953 INFO L85 PathProgramCache]: Analyzing trace with hash 283930529, now seen corresponding path program 1 times [2024-11-27 20:22:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227805583] [2024-11-27 20:22:05,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:05,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227805583] [2024-11-27 20:22:06,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227805583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:06,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:06,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:06,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156063384] [2024-11-27 20:22:06,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:06,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:06,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:06,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:06,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:06,528 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:22:06,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 35 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:06,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:06,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:22:06,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:07,386 INFO L124 PetriNetUnfolderBase]: 1212/1743 cut-off events. [2024-11-27 20:22:07,386 INFO L125 PetriNetUnfolderBase]: For 175/175 co-relation queries the response was YES. [2024-11-27 20:22:07,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3640 conditions, 1743 events. 1212/1743 cut-off events. For 175/175 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6898 event pairs, 308 based on Foata normal form. 1/1434 useless extension candidates. Maximal degree in co-relation 3272. Up to 1239 conditions per place. [2024-11-27 20:22:07,416 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 49 selfloop transitions, 4 changer transitions 1/55 dead transitions. [2024-11-27 20:22:07,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 55 transitions, 251 flow [2024-11-27 20:22:07,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2024-11-27 20:22:07,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5726495726495726 [2024-11-27 20:22:07,438 INFO L175 Difference]: Start difference. First operand has 38 places, 35 transitions, 88 flow. Second operand 3 states and 67 transitions. [2024-11-27 20:22:07,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 55 transitions, 251 flow [2024-11-27 20:22:07,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 55 transitions, 229 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 20:22:07,453 INFO L231 Difference]: Finished difference. Result has 35 places, 38 transitions, 102 flow [2024-11-27 20:22:07,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2024-11-27 20:22:07,464 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2024-11-27 20:22:07,465 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 102 flow [2024-11-27 20:22:07,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:07,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:07,466 INFO L206 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] [2024-11-27 20:22:07,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:22:07,466 INFO L396 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)] === [2024-11-27 20:22:07,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:07,467 INFO L85 PathProgramCache]: Analyzing trace with hash -454551309, now seen corresponding path program 1 times [2024-11-27 20:22:07,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:07,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726234232] [2024-11-27 20:22:07,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:07,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:07,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726234232] [2024-11-27 20:22:07,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726234232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:07,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:07,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:22:07,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97681965] [2024-11-27 20:22:07,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:07,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:07,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:07,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:07,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:07,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:22:07,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:07,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:07,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:22:07,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:08,631 INFO L124 PetriNetUnfolderBase]: 1218/1756 cut-off events. [2024-11-27 20:22:08,631 INFO L125 PetriNetUnfolderBase]: For 195/195 co-relation queries the response was YES. [2024-11-27 20:22:08,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3995 conditions, 1756 events. 1218/1756 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6787 event pairs, 885 based on Foata normal form. 0/1440 useless extension candidates. Maximal degree in co-relation 1068. Up to 1743 conditions per place. [2024-11-27 20:22:08,646 INFO L140 encePairwiseOnDemand]: 30/39 looper letters, 35 selfloop transitions, 4 changer transitions 11/51 dead transitions. [2024-11-27 20:22:08,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 51 transitions, 228 flow [2024-11-27 20:22:08,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:22:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:22:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2024-11-27 20:22:08,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3487179487179487 [2024-11-27 20:22:08,649 INFO L175 Difference]: Start difference. First operand has 35 places, 38 transitions, 102 flow. Second operand 5 states and 68 transitions. [2024-11-27 20:22:08,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 51 transitions, 228 flow [2024-11-27 20:22:08,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 51 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:22:08,655 INFO L231 Difference]: Finished difference. Result has 41 places, 40 transitions, 132 flow [2024-11-27 20:22:08,655 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=132, PETRI_PLACES=41, PETRI_TRANSITIONS=40} [2024-11-27 20:22:08,656 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2024-11-27 20:22:08,656 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 40 transitions, 132 flow [2024-11-27 20:22:08,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:08,656 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:08,656 INFO L206 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] [2024-11-27 20:22:08,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:22:08,657 INFO L396 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)] === [2024-11-27 20:22:08,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:08,658 INFO L85 PathProgramCache]: Analyzing trace with hash 23369899, now seen corresponding path program 1 times [2024-11-27 20:22:08,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:08,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130629800] [2024-11-27 20:22:08,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:08,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:08,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:08,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130629800] [2024-11-27 20:22:08,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130629800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:08,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:08,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:08,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422213638] [2024-11-27 20:22:08,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:08,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:08,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:08,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:08,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:08,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:22:08,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 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) [2024-11-27 20:22:08,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:08,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:22:08,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:09,503 INFO L124 PetriNetUnfolderBase]: 1254/1803 cut-off events. [2024-11-27 20:22:09,503 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-27 20:22:09,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3988 conditions, 1803 events. 1254/1803 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6912 event pairs, 426 based on Foata normal form. 0/1527 useless extension candidates. Maximal degree in co-relation 3963. Up to 912 conditions per place. [2024-11-27 20:22:09,517 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 51 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2024-11-27 20:22:09,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 56 transitions, 284 flow [2024-11-27 20:22:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:22:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2024-11-27 20:22:09,518 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2024-11-27 20:22:09,519 INFO L175 Difference]: Start difference. First operand has 41 places, 40 transitions, 132 flow. Second operand 4 states and 65 transitions. [2024-11-27 20:22:09,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 56 transitions, 284 flow [2024-11-27 20:22:09,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 56 transitions, 266 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-27 20:22:09,525 INFO L231 Difference]: Finished difference. Result has 41 places, 41 transitions, 135 flow [2024-11-27 20:22:09,525 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=41, PETRI_TRANSITIONS=41} [2024-11-27 20:22:09,526 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2024-11-27 20:22:09,527 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 135 flow [2024-11-27 20:22:09,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 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) [2024-11-27 20:22:09,527 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:09,527 INFO L206 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] [2024-11-27 20:22:09,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:22:09,527 INFO L396 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)] === [2024-11-27 20:22:09,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:09,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1579132063, now seen corresponding path program 1 times [2024-11-27 20:22:09,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:09,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535540136] [2024-11-27 20:22:09,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:09,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:09,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:09,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535540136] [2024-11-27 20:22:09,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535540136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:22:09,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057122190] [2024-11-27 20:22:09,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:09,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:22:09,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:09,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:22:09,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:22:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:10,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:22:10,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:22:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:10,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:22:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:10,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057122190] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:22:10,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:22:10,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-11-27 20:22:10,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416014467] [2024-11-27 20:22:10,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:10,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:22:10,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:10,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:22:10,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:22:10,217 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:22:10,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:10,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:10,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:22:10,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:10,761 INFO L124 PetriNetUnfolderBase]: 1305/1869 cut-off events. [2024-11-27 20:22:10,761 INFO L125 PetriNetUnfolderBase]: For 724/724 co-relation queries the response was YES. [2024-11-27 20:22:10,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4699 conditions, 1869 events. 1305/1869 cut-off events. For 724/724 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 7431 event pairs, 377 based on Foata normal form. 0/1680 useless extension candidates. Maximal degree in co-relation 4670. Up to 1030 conditions per place. [2024-11-27 20:22:10,777 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 54 selfloop transitions, 5 changer transitions 0/60 dead transitions. [2024-11-27 20:22:10,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 60 transitions, 317 flow [2024-11-27 20:22:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:22:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:22:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2024-11-27 20:22:10,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36923076923076925 [2024-11-27 20:22:10,780 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 135 flow. Second operand 5 states and 72 transitions. [2024-11-27 20:22:10,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 60 transitions, 317 flow [2024-11-27 20:22:10,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 60 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:10,786 INFO L231 Difference]: Finished difference. Result has 45 places, 42 transitions, 154 flow [2024-11-27 20:22:10,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=154, PETRI_PLACES=45, PETRI_TRANSITIONS=42} [2024-11-27 20:22:10,788 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2024-11-27 20:22:10,789 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 42 transitions, 154 flow [2024-11-27 20:22:10,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:10,789 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:10,789 INFO L206 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] [2024-11-27 20:22:10,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:22:10,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:22:10,990 INFO L396 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)] === [2024-11-27 20:22:10,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1490588897, now seen corresponding path program 1 times [2024-11-27 20:22:10,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:10,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545750146] [2024-11-27 20:22:10,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:10,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545750146] [2024-11-27 20:22:11,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545750146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:11,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:11,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:11,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130600450] [2024-11-27 20:22:11,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:11,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:11,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:11,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:11,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:11,671 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:22:11,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 42 transitions, 154 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:11,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:11,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:22:11,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:12,218 INFO L124 PetriNetUnfolderBase]: 1351/1958 cut-off events. [2024-11-27 20:22:12,218 INFO L125 PetriNetUnfolderBase]: For 1421/1421 co-relation queries the response was YES. [2024-11-27 20:22:12,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5445 conditions, 1958 events. 1351/1958 cut-off events. For 1421/1421 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 7273 event pairs, 1004 based on Foata normal form. 32/1872 useless extension candidates. Maximal degree in co-relation 5412. Up to 1863 conditions per place. [2024-11-27 20:22:12,235 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 41 selfloop transitions, 3 changer transitions 11/56 dead transitions. [2024-11-27 20:22:12,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 56 transitions, 304 flow [2024-11-27 20:22:12,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:22:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:22:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2024-11-27 20:22:12,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42948717948717946 [2024-11-27 20:22:12,237 INFO L175 Difference]: Start difference. First operand has 45 places, 42 transitions, 154 flow. Second operand 4 states and 67 transitions. [2024-11-27 20:22:12,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 56 transitions, 304 flow [2024-11-27 20:22:12,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 56 transitions, 297 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:12,245 INFO L231 Difference]: Finished difference. Result has 48 places, 43 transitions, 170 flow [2024-11-27 20:22:12,245 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=48, PETRI_TRANSITIONS=43} [2024-11-27 20:22:12,246 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 10 predicate places. [2024-11-27 20:22:12,248 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 43 transitions, 170 flow [2024-11-27 20:22:12,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:12,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:12,249 INFO L206 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, 1] [2024-11-27 20:22:12,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:22:12,249 INFO L396 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)] === [2024-11-27 20:22:12,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:12,249 INFO L85 PathProgramCache]: Analyzing trace with hash -297430134, now seen corresponding path program 1 times [2024-11-27 20:22:12,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:12,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406733941] [2024-11-27 20:22:12,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:12,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:12,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:12,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406733941] [2024-11-27 20:22:12,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406733941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:12,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:12,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:22:12,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963909503] [2024-11-27 20:22:12,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:12,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:22:12,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:12,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:22:12,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:22:12,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:22:12,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 43 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:12,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:12,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:22:12,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:13,459 INFO L124 PetriNetUnfolderBase]: 1355/1967 cut-off events. [2024-11-27 20:22:13,460 INFO L125 PetriNetUnfolderBase]: For 1640/1640 co-relation queries the response was YES. [2024-11-27 20:22:13,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5585 conditions, 1967 events. 1355/1967 cut-off events. For 1640/1640 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 7337 event pairs, 1004 based on Foata normal form. 44/2010 useless extension candidates. Maximal degree in co-relation 5548. Up to 1866 conditions per place. [2024-11-27 20:22:13,473 INFO L140 encePairwiseOnDemand]: 28/39 looper letters, 36 selfloop transitions, 7 changer transitions 18/62 dead transitions. [2024-11-27 20:22:13,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 62 transitions, 352 flow [2024-11-27 20:22:13,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:22:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:22:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2024-11-27 20:22:13,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39487179487179486 [2024-11-27 20:22:13,475 INFO L175 Difference]: Start difference. First operand has 48 places, 43 transitions, 170 flow. Second operand 5 states and 77 transitions. [2024-11-27 20:22:13,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 62 transitions, 352 flow [2024-11-27 20:22:13,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 62 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:13,482 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 208 flow [2024-11-27 20:22:13,483 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2024-11-27 20:22:13,485 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2024-11-27 20:22:13,485 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 208 flow [2024-11-27 20:22:13,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:22:13,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:13,486 INFO L206 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, 1, 1] [2024-11-27 20:22:13,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:22:13,486 INFO L396 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)] === [2024-11-27 20:22:13,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash 17340522, now seen corresponding path program 1 times [2024-11-27 20:22:13,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:13,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2805053] [2024-11-27 20:22:13,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:13,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:17,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:17,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2805053] [2024-11-27 20:22:17,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2805053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:22:17,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252209590] [2024-11-27 20:22:17,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:17,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:22:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:17,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:22:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:22:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:17,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-27 20:22:17,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:22:17,798 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 [2024-11-27 20:22:17,857 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 11 treesize of output 7 [2024-11-27 20:22:17,869 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 [2024-11-27 20:22:18,847 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 23 treesize of output 15 [2024-11-27 20:22:18,958 INFO L349 Elim1Store]: treesize reduction 80, result has 44.8 percent of original size [2024-11-27 20:22:18,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 83 [2024-11-27 20:22:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:19,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:22:24,746 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 131 treesize of output 127 [2024-11-27 20:22:24,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:24,782 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 474 treesize of output 442 [2024-11-27 20:22:24,801 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 418 treesize of output 402 [2024-11-27 20:22:24,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:24,834 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 1238 treesize of output 1038 [2024-11-27 20:22:35,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:35,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2329 treesize of output 2267 [2024-11-27 20:22:38,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:38,370 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 618 treesize of output 542 [2024-11-27 20:22:43,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:43,525 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 222 treesize of output 200 [2024-11-27 20:22:45,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:22:45,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 89 [2024-11-27 20:22:45,239 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-27 20:22:45,240 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 256 treesize of output 205 [2024-11-27 20:22:45,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:45,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1068 treesize of output 1048 [2024-11-27 20:22:45,637 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-27 20:22:45,637 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 29 treesize of output 11 [2024-11-27 20:22:46,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:46,358 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 222 treesize of output 200 [2024-11-27 20:22:46,808 INFO L349 Elim1Store]: treesize reduction 8, result has 91.9 percent of original size [2024-11-27 20:22:46,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 250 treesize of output 286 [2024-11-27 20:22:48,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:48,953 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 222 treesize of output 200 [2024-11-27 20:22:56,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:56,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 298 treesize of output 658 [2024-11-27 20:22:57,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:22:57,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 579 treesize of output 499 [2024-11-27 20:23:27,901 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-11-27 20:25:39,960 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:39,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1985 treesize of output 1 [2024-11-27 20:25:39,989 INFO L349 Elim1Store]: treesize reduction 412, result has 0.2 percent of original size [2024-11-27 20:25:39,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 1484 treesize of output 1 [2024-11-27 20:25:40,008 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1826 treesize of output 1 [2024-11-27 20:25:40,027 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2381 treesize of output 1 [2024-11-27 20:25:40,048 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2765 treesize of output 1 [2024-11-27 20:25:40,089 INFO L349 Elim1Store]: treesize reduction 424, result has 0.2 percent of original size [2024-11-27 20:25:40,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 1500 treesize of output 1 [2024-11-27 20:25:40,109 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1255 treesize of output 1 [2024-11-27 20:25:40,137 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2255 treesize of output 1 [2024-11-27 20:25:40,166 INFO L349 Elim1Store]: treesize reduction 304, result has 0.3 percent of original size [2024-11-27 20:25:40,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 1445 treesize of output 1 [2024-11-27 20:25:40,189 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2040 treesize of output 1 [2024-11-27 20:25:40,216 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2581 treesize of output 1 [2024-11-27 20:25:40,230 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 868 treesize of output 1 [2024-11-27 20:25:40,244 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-27 20:25:40,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 591 treesize of output 1 [2024-11-27 20:25:40,263 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1849 treesize of output 1 [2024-11-27 20:25:40,282 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1849 treesize of output 1 [2024-11-27 20:25:40,330 INFO L349 Elim1Store]: treesize reduction 421, result has 0.2 percent of original size [2024-11-27 20:25:40,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 1416 treesize of output 1 [2024-11-27 20:25:40,345 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 963 treesize of output 1 [2024-11-27 20:25:40,364 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1113 treesize of output 1 [2024-11-27 20:25:40,384 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2134 treesize of output 1 [2024-11-27 20:25:40,407 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2102 treesize of output 1 [2024-11-27 20:25:40,427 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2040 treesize of output 1 [2024-11-27 20:25:40,452 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2351 treesize of output 1 [2024-11-27 20:25:40,469 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 975 treesize of output 1 [2024-11-27 20:25:40,491 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1794 treesize of output 1 [2024-11-27 20:25:40,507 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 868 treesize of output 1 [2024-11-27 20:25:40,532 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2024 treesize of output 1 [2024-11-27 20:25:40,551 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1070 treesize of output 1 [2024-11-27 20:25:40,580 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2733 treesize of output 1 [2024-11-27 20:25:40,611 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2733 treesize of output 1 [2024-11-27 20:25:40,638 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2533 treesize of output 1 [2024-11-27 20:25:40,662 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2093 treesize of output 1 [2024-11-27 20:25:40,680 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1070 treesize of output 1 [2024-11-27 20:25:40,704 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:25:40,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1780 treesize of output 1 [2024-11-27 20:25:40,736 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:25:40,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1593 treesize of output 1 [2024-11-27 20:25:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:25:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252209590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:25:41,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:25:41,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 10] total 30 [2024-11-27 20:25:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944493509] [2024-11-27 20:25:41,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:25:41,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-27 20:25:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:41,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-27 20:25:41,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=793, Unknown=1, NotChecked=0, Total=930 [2024-11-27 20:25:41,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:25:41,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 208 flow. Second operand has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 31 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:41,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:41,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:25:41,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:43,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:25:46,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:25:51,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:26:33,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:26:36,553 INFO L124 PetriNetUnfolderBase]: 3129/4480 cut-off events. [2024-11-27 20:26:36,553 INFO L125 PetriNetUnfolderBase]: For 4121/4121 co-relation queries the response was YES. [2024-11-27 20:26:36,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13329 conditions, 4480 events. 3129/4480 cut-off events. For 4121/4121 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18809 event pairs, 254 based on Foata normal form. 2/4482 useless extension candidates. Maximal degree in co-relation 13268. Up to 2074 conditions per place. [2024-11-27 20:26:36,586 INFO L140 encePairwiseOnDemand]: 23/39 looper letters, 153 selfloop transitions, 59 changer transitions 2/215 dead transitions. [2024-11-27 20:26:36,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 215 transitions, 1305 flow [2024-11-27 20:26:36,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 20:26:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-27 20:26:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 309 transitions. [2024-11-27 20:26:36,590 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3301282051282051 [2024-11-27 20:26:36,590 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 208 flow. Second operand 24 states and 309 transitions. [2024-11-27 20:26:36,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 215 transitions, 1305 flow [2024-11-27 20:26:36,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 215 transitions, 1217 flow, removed 31 selfloop flow, removed 4 redundant places. [2024-11-27 20:26:36,603 INFO L231 Difference]: Finished difference. Result has 85 places, 94 transitions, 617 flow [2024-11-27 20:26:36,604 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=617, PETRI_PLACES=85, PETRI_TRANSITIONS=94} [2024-11-27 20:26:36,606 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 47 predicate places. [2024-11-27 20:26:36,606 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 94 transitions, 617 flow [2024-11-27 20:26:36,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.483870967741935) internal successors, (201), 31 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:36,607 INFO L206 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, 1, 1] [2024-11-27 20:26:36,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:36,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 20:26:36,812 INFO L396 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)] === [2024-11-27 20:26:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:36,813 INFO L85 PathProgramCache]: Analyzing trace with hash -713995166, now seen corresponding path program 2 times [2024-11-27 20:26:36,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:36,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806585236] [2024-11-27 20:26:36,813 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:26:36,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:36,944 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:26:36,944 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:26:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:39,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806585236] [2024-11-27 20:26:39,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806585236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106543593] [2024-11-27 20:26:39,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:26:39,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:39,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:39,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:39,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:26:40,059 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:26:40,059 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:26:40,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 20:26:40,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:40,249 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 23 treesize of output 1 [2024-11-27 20:26:40,311 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 [2024-11-27 20:26:40,315 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 [2024-11-27 20:26:40,860 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 31 treesize of output 23 [2024-11-27 20:26:40,866 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 23 treesize of output 15 [2024-11-27 20:26:40,949 INFO L349 Elim1Store]: treesize reduction 80, result has 44.8 percent of original size [2024-11-27 20:26:40,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 83 [2024-11-27 20:26:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:40,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:46,256 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 131 treesize of output 127 [2024-11-27 20:26:46,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:26:46,276 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 474 treesize of output 442 [2024-11-27 20:26:46,289 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 418 treesize of output 402 [2024-11-27 20:26:46,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:26:46,313 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 1238 treesize of output 1038 [2024-11-27 20:26:55,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:26:55,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2469 treesize of output 2375 [2024-11-27 20:26:56,701 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-27 20:26:56,701 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 61 treesize of output 22 [2024-11-27 20:27:22,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 134 treesize of output 98 [2024-11-27 20:27:23,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 116 treesize of output 98 [2024-11-27 20:27:23,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 92 treesize of output 74 [2024-11-27 20:27:24,612 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:24,612 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 378 treesize of output 308 [2024-11-27 20:27:35,113 INFO L349 Elim1Store]: treesize reduction 5, result has 90.6 percent of original size [2024-11-27 20:27:35,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 92 [2024-11-27 20:27:35,247 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:35,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 1 [2024-11-27 20:27:35,401 INFO L349 Elim1Store]: treesize reduction 5, result has 94.9 percent of original size [2024-11-27 20:27:35,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 178 [2024-11-27 20:27:36,619 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:36,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:36,639 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:36,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:36,767 INFO L349 Elim1Store]: treesize reduction 5, result has 94.9 percent of original size [2024-11-27 20:27:36,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 204 [2024-11-27 20:27:37,686 INFO L349 Elim1Store]: treesize reduction 5, result has 90.6 percent of original size [2024-11-27 20:27:37,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 112 [2024-11-27 20:27:37,784 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:37,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:37,839 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:37,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 1 [2024-11-27 20:27:37,856 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:37,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 1 [2024-11-27 20:27:37,891 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:37,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:37,912 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:37,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:37,955 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:37,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:37,980 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:27:37,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 1 [2024-11-27 20:27:38,016 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:38,105 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:38,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 404 treesize of output 1 [2024-11-27 20:27:38,123 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:38,149 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:27:38,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 1 [2024-11-27 20:27:38,196 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:38,217 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:38,288 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:38,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 532 treesize of output 1 [2024-11-27 20:27:38,314 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:38,381 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:38,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 532 treesize of output 1 [2024-11-27 20:27:38,498 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:38,517 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2024-11-27 20:27:38,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 1 [2024-11-27 20:27:38,536 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:38,558 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:38,578 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:27:38,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 1 [2024-11-27 20:27:38,603 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2024-11-27 20:27:38,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 1 [2024-11-27 20:27:38,704 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:38,758 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:38,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:38,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:38,872 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 97 treesize of output 81 [2024-11-27 20:27:38,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:38,937 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 59 treesize of output 55 [2024-11-27 20:27:38,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 26 [2024-11-27 20:27:39,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:39,021 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 71 treesize of output 67 [2024-11-27 20:27:39,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:39,057 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 129 treesize of output 107 [2024-11-27 20:27:39,445 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2024-11-27 20:27:39,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 1 [2024-11-27 20:27:39,477 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:39,511 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2024-11-27 20:27:39,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 1 [2024-11-27 20:27:39,540 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:39,561 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2024-11-27 20:27:39,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 138 treesize of output 1 [2024-11-27 20:27:39,590 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:39,621 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:39,662 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 20:27:39,679 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2024-11-27 20:27:39,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 126 treesize of output 1 [2024-11-27 20:27:39,724 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:39,744 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:39,790 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:39,861 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:39,894 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:39,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:39,923 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:39,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 1 [2024-11-27 20:27:39,954 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:39,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 1 [2024-11-27 20:27:40,075 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:40,098 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:40,105 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2024-11-27 20:27:40,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 1 [2024-11-27 20:27:40,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:40,131 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2024-11-27 20:27:40,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 1 [2024-11-27 20:27:40,175 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:40,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:40,197 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:40,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:40,246 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:40,315 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:40,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 404 treesize of output 1 [2024-11-27 20:27:40,338 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:27:40,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 1 [2024-11-27 20:27:40,371 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:40,404 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:40,453 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:40,554 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:40,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 532 treesize of output 1 [2024-11-27 20:27:40,590 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:40,671 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:40,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 532 treesize of output 1 [2024-11-27 20:27:40,706 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:40,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:40,791 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:40,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 303 treesize of output 1 [2024-11-27 20:27:40,832 INFO L349 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2024-11-27 20:27:40,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 207 treesize of output 1 [2024-11-27 20:27:40,862 INFO L349 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2024-11-27 20:27:40,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 207 treesize of output 1 [2024-11-27 20:27:40,979 INFO L349 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2024-11-27 20:27:40,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 245 treesize of output 1 [2024-11-27 20:27:41,010 INFO L349 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2024-11-27 20:27:41,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 245 treesize of output 1 [2024-11-27 20:27:41,168 INFO L349 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2024-11-27 20:27:41,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 270 treesize of output 1 [2024-11-27 20:27:41,208 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 245 treesize of output 1 [2024-11-27 20:27:41,273 INFO L349 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2024-11-27 20:27:41,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 252 treesize of output 1 [2024-11-27 20:27:41,307 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 245 treesize of output 1 [2024-11-27 20:27:41,339 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 245 treesize of output 1 [2024-11-27 20:27:41,412 INFO L349 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2024-11-27 20:27:41,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 270 treesize of output 1 [2024-11-27 20:27:41,452 INFO L349 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2024-11-27 20:27:41,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 213 treesize of output 1 [2024-11-27 20:27:41,477 INFO L349 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2024-11-27 20:27:41,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 213 treesize of output 1 [2024-11-27 20:27:41,672 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 233 treesize of output 1 [2024-11-27 20:27:41,737 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 233 treesize of output 1 [2024-11-27 20:27:41,766 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 233 treesize of output 1 [2024-11-27 20:27:41,793 INFO L349 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2024-11-27 20:27:41,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 240 treesize of output 1 [2024-11-27 20:27:41,839 INFO L349 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2024-11-27 20:27:41,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 305 treesize of output 1 [2024-11-27 20:27:41,870 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 271 treesize of output 1 [2024-11-27 20:27:41,928 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:41,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 271 treesize of output 1 [2024-11-27 20:27:42,025 INFO L349 Elim1Store]: treesize reduction 1088, result has 0.1 percent of original size [2024-11-27 20:27:42,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 518 treesize of output 1 [2024-11-27 20:27:42,057 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 271 treesize of output 1 [2024-11-27 20:27:42,090 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 271 treesize of output 1 [2024-11-27 20:27:42,128 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 303 treesize of output 1 [2024-11-27 20:27:42,163 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 303 treesize of output 1 [2024-11-27 20:27:42,200 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 303 treesize of output 1 [2024-11-27 20:27:42,331 INFO L349 Elim1Store]: treesize reduction 1088, result has 0.1 percent of original size [2024-11-27 20:27:42,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 646 treesize of output 1 [2024-11-27 20:27:42,381 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 265 treesize of output 1 [2024-11-27 20:27:42,536 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 265 treesize of output 1 [2024-11-27 20:27:42,566 INFO L349 Elim1Store]: treesize reduction 230, result has 0.4 percent of original size [2024-11-27 20:27:42,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 265 treesize of output 1 [2024-11-27 20:27:42,700 INFO L349 Elim1Store]: treesize reduction 1088, result has 0.1 percent of original size [2024-11-27 20:27:42,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 646 treesize of output 1 [2024-11-27 20:27:42,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:42,843 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 97 treesize of output 81 [2024-11-27 20:27:42,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:42,910 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 59 treesize of output 55 [2024-11-27 20:27:42,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 26 [2024-11-27 20:27:42,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:42,999 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 71 treesize of output 67 [2024-11-27 20:27:43,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:43,039 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 129 treesize of output 107 [2024-11-27 20:27:43,960 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:43,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 713 treesize of output 1 [2024-11-27 20:27:44,588 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:44,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 675 treesize of output 1 [2024-11-27 20:27:44,881 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:44,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 675 treesize of output 1 [2024-11-27 20:27:45,227 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:45,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 675 treesize of output 1 [2024-11-27 20:27:45,692 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:45,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 643 treesize of output 1 [2024-11-27 20:27:45,936 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:45,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 643 treesize of output 1 [2024-11-27 20:27:46,250 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:46,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 643 treesize of output 1 [2024-11-27 20:27:46,489 INFO L349 Elim1Store]: treesize reduction 1520, result has 0.1 percent of original size [2024-11-27 20:27:46,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 650 treesize of output 1 [2024-11-27 20:27:46,810 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:46,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 713 treesize of output 1 [2024-11-27 20:27:47,447 INFO L349 Elim1Store]: treesize reduction 3608, result has 0.0 percent of original size [2024-11-27 20:27:47,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1056 treesize of output 1 [2024-11-27 20:27:48,219 INFO L349 Elim1Store]: treesize reduction 3608, result has 0.0 percent of original size [2024-11-27 20:27:48,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1056 treesize of output 1 [2024-11-27 20:27:48,551 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:48,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 713 treesize of output 1 [2024-11-27 20:27:49,436 INFO L349 Elim1Store]: treesize reduction 3608, result has 0.0 percent of original size [2024-11-27 20:27:49,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 928 treesize of output 1 [2024-11-27 20:27:49,704 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:49,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 681 treesize of output 1 [2024-11-27 20:27:50,114 INFO L349 Elim1Store]: treesize reduction 1520, result has 0.1 percent of original size [2024-11-27 20:27:50,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 715 treesize of output 1 [2024-11-27 20:27:50,543 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:50,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 681 treesize of output 1 [2024-11-27 20:27:50,871 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:50,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 681 treesize of output 1 [2024-11-27 20:27:51,126 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:51,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 681 treesize of output 1 [2024-11-27 20:27:51,610 INFO L349 Elim1Store]: treesize reduction 1688, result has 0.1 percent of original size [2024-11-27 20:27:51,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 680 treesize of output 1 [2024-11-27 20:27:51,930 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:51,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 655 treesize of output 1 [2024-11-27 20:27:52,169 INFO L349 Elim1Store]: treesize reduction 1520, result has 0.1 percent of original size [2024-11-27 20:27:52,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 662 treesize of output 1 [2024-11-27 20:27:52,468 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:52,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 655 treesize of output 1 [2024-11-27 20:27:52,738 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:52,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 655 treesize of output 1 [2024-11-27 20:27:53,024 INFO L349 Elim1Store]: treesize reduction 1688, result has 0.1 percent of original size [2024-11-27 20:27:53,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 680 treesize of output 1 [2024-11-27 20:27:53,440 INFO L349 Elim1Store]: treesize reduction 1372, result has 0.1 percent of original size [2024-11-27 20:27:53,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 655 treesize of output 1 [2024-11-27 20:27:53,673 INFO L349 Elim1Store]: treesize reduction 1372, result has 0.1 percent of original size [2024-11-27 20:27:53,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 617 treesize of output 1 [2024-11-27 20:27:54,136 INFO L349 Elim1Store]: treesize reduction 1372, result has 0.1 percent of original size [2024-11-27 20:27:54,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 617 treesize of output 1 [2024-11-27 20:27:54,438 INFO L349 Elim1Store]: treesize reduction 1372, result has 0.1 percent of original size [2024-11-27 20:27:54,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 655 treesize of output 1 [2024-11-27 20:27:54,729 INFO L349 Elim1Store]: treesize reduction 1372, result has 0.1 percent of original size [2024-11-27 20:27:54,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 623 treesize of output 1 [2024-11-27 20:27:54,981 INFO L349 Elim1Store]: treesize reduction 1372, result has 0.1 percent of original size [2024-11-27 20:27:54,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 623 treesize of output 1 [2024-11-27 20:27:55,414 INFO L349 Elim1Store]: treesize reduction 1610, result has 0.1 percent of original size [2024-11-27 20:27:55,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 713 treesize of output 1 [2024-11-27 20:27:55,699 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2024-11-27 20:27:55,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 1 [2024-11-27 20:27:55,728 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:55,761 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2024-11-27 20:27:55,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 156 treesize of output 1 [2024-11-27 20:27:55,780 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:55,793 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:55,800 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2024-11-27 20:27:55,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 138 treesize of output 1 [2024-11-27 20:27:55,829 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:55,859 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:55,897 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-27 20:27:55,914 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2024-11-27 20:27:55,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 126 treesize of output 1 [2024-11-27 20:27:55,962 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:55,981 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:55,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 1 [2024-11-27 20:27:56,025 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:56,096 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:56,126 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 1 [2024-11-27 20:27:56,153 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:56,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 1 [2024-11-27 20:27:56,176 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:56,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 1 [2024-11-27 20:27:56,292 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:56,314 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:56,320 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2024-11-27 20:27:56,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 1 [2024-11-27 20:27:56,335 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:56,344 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2024-11-27 20:27:56,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 1 [2024-11-27 20:27:56,386 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:56,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:56,407 INFO L349 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2024-11-27 20:27:56,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 1 [2024-11-27 20:27:56,451 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:56,527 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:56,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 404 treesize of output 1 [2024-11-27 20:27:56,550 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:27:56,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 1 [2024-11-27 20:27:56,584 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:56,617 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:56,663 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 1 [2024-11-27 20:27:56,769 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:56,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 532 treesize of output 1 [2024-11-27 20:27:56,804 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:56,865 INFO L349 Elim1Store]: treesize reduction 728, result has 0.1 percent of original size [2024-11-27 20:27:56,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 532 treesize of output 1 [2024-11-27 20:27:56,898 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-11-27 20:27:56,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 1 [2024-11-27 20:27:57,036 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:27:57,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 89 [2024-11-27 20:27:57,112 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:27:57,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 913 treesize of output 1 [2024-11-27 20:27:57,139 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-27 20:27:57,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2717 treesize of output 1 [2024-11-27 20:27:57,163 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-27 20:27:57,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2743 treesize of output 1 [2024-11-27 20:27:57,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:27:57,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 591 treesize of output 581 [2024-11-27 20:27:57,421 INFO L349 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2024-11-27 20:27:57,421 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 138 treesize of output 105 [2024-11-27 20:27:57,775 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-27 20:27:57,775 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 30 treesize of output 12 [2024-11-27 20:27:57,945 INFO L349 Elim1Store]: treesize reduction 8, result has 93.2 percent of original size [2024-11-27 20:27:57,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 284 treesize of output 326 [2024-11-27 20:28:06,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:28:06,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 15 new quantified variables, introduced 78 case distinctions, treesize of input 3047 treesize of output 2857 [2024-11-27 20:28:41,317 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-27 20:28:41,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-27 20:28:41,318 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-27 20:28:41,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:28:41,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 20:28:41,519 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-11-27 20:28:41,527 INFO L158 Benchmark]: Toolchain (without parser) took 398350.62ms. Allocated memory was 142.6MB in the beginning and 847.2MB in the end (delta: 704.6MB). Free memory was 107.4MB in the beginning and 697.2MB in the end (delta: -589.8MB). Peak memory consumption was 516.1MB. Max. memory is 16.1GB. [2024-11-27 20:28:41,527 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:28:41,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 94.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:28:41,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.71ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 91.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:28:41,528 INFO L158 Benchmark]: Boogie Preprocessor took 123.92ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 87.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:28:41,528 INFO L158 Benchmark]: RCFGBuilder took 1782.56ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 47.6MB in the end (delta: 40.2MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-11-27 20:28:41,528 INFO L158 Benchmark]: TraceAbstraction took 395976.86ms. Allocated memory was 142.6MB in the beginning and 847.2MB in the end (delta: 704.6MB). Free memory was 47.0MB in the beginning and 697.2MB in the end (delta: -650.3MB). Peak memory consumption was 459.3MB. Max. memory is 16.1GB. [2024-11-27 20:28:41,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.52ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 94.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.71ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 91.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.92ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 87.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1782.56ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 47.6MB in the end (delta: 40.2MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * TraceAbstraction took 395976.86ms. Allocated memory was 142.6MB in the beginning and 847.2MB in the end (delta: 704.6MB). Free memory was 47.0MB in the beginning and 697.2MB in the end (delta: -650.3MB). Peak memory consumption was 459.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB --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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:28:44,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:28:44,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:28:44,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:28:44,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:28:44,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:28:44,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:28:44,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:28:44,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:28:44,544 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:28:44,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:28:44,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:28:44,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:28:44,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:28:44,546 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:28:44,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:28:44,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:28:44,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:28:44,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:28:44,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:28:44,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:28:44,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:28:44,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:28:44,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:28:44,549 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:28:44,549 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:28:44,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:28:44,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:28:44,549 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:28:44,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:28:44,550 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:28:44,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:44,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:44,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:44,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:44,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:28:44,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:44,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:44,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:44,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:44,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:28:44,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:28:44,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:28:44,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:28:44,554 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2024-11-27 20:28:44,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:28:44,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:28:44,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:28:44,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:28:44,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:28:44,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-11-27 20:28:48,177 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/efcc3f0b6/e3d87454d42c42a48de45194ac180db8/FLAGb7417c981 [2024-11-27 20:28:48,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:28:48,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-11-27 20:28:48,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/efcc3f0b6/e3d87454d42c42a48de45194ac180db8/FLAGb7417c981 [2024-11-27 20:28:48,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/data/efcc3f0b6/e3d87454d42c42a48de45194ac180db8 [2024-11-27 20:28:48,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:28:48,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:28:48,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:48,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:28:48,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:28:48,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:48" (1/1) ... [2024-11-27 20:28:48,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39176c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:48, skipping insertion in model container [2024-11-27 20:28:48,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:48" (1/1) ... [2024-11-27 20:28:48,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:28:49,072 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:28:49,094 WARN L250 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_e21aedc6-d231-4c24-8d0d-1488d877cf34/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2024-11-27 20:28:49,101 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-27 20:28:49,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:28:49,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:28:49,193 WARN L250 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_e21aedc6-d231-4c24-8d0d-1488d877cf34/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2024-11-27 20:28:49,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:28:49,236 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:28:49,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49 WrapperNode [2024-11-27 20:28:49,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:49,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:28:49,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:28:49,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:28:49,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,326 INFO L138 Inliner]: procedures = 29, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 343 [2024-11-27 20:28:49,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:28:49,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:28:49,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:28:49,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:28:49,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,399 INFO L175 MemorySlicer]: Split 30 memory accesses to 3 slices as follows [2, 4, 24]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 1, 3]. [2024-11-27 20:28:49,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,419 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:28:49,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:28:49,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:28:49,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:28:49,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (1/1) ... [2024-11-27 20:28:49,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:49,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:49,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:28:49,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 20:28:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:28:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:28:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:28:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 20:28:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 20:28:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 20:28:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 20:28:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:28:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:28:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:28:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 20:28:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 20:28:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 20:28:49,530 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:28:49,700 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:28:49,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:28:50,762 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:28:50,762 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:28:51,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:28:51,583 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-27 20:28:51,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:28:51 BoogieIcfgContainer [2024-11-27 20:28:51,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:28:51,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:28:51,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:28:51,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:28:51,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:28:48" (1/3) ... [2024-11-27 20:28:51,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd11036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:28:51, skipping insertion in model container [2024-11-27 20:28:51,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:49" (2/3) ... [2024-11-27 20:28:51,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd11036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:28:51, skipping insertion in model container [2024-11-27 20:28:51,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:28:51" (3/3) ... [2024-11-27 20:28:51,596 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2024-11-27 20:28:51,617 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:28:51,618 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product-alt.wvr.c that has 4 procedures, 33 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-27 20:28:51,619 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:28:51,777 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 20:28:51,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 39 transitions, 99 flow [2024-11-27 20:28:51,896 INFO L124 PetriNetUnfolderBase]: 7/36 cut-off events. [2024-11-27 20:28:51,902 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:28:51,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 36 events. 7/36 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-11-27 20:28:51,907 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 39 transitions, 99 flow [2024-11-27 20:28:51,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 35 transitions, 88 flow [2024-11-27 20:28:51,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:28:51,942 INFO L333 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, 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;@75cfe9d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:28:51,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 20:28:51,977 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:28:51,978 INFO L124 PetriNetUnfolderBase]: 7/34 cut-off events. [2024-11-27 20:28:51,978 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:28:51,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:51,979 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:51,980 INFO L396 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)] === [2024-11-27 20:28:51,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:51,987 INFO L85 PathProgramCache]: Analyzing trace with hash 595552397, now seen corresponding path program 1 times [2024-11-27 20:28:52,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:28:52,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805954093] [2024-11-27 20:28:52,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:52,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:52,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:52,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:28:52,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:28:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:52,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:28:52,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:28:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:52,508 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:28:52,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:28:52,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805954093] [2024-11-27 20:28:52,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805954093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:52,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:28:52,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643747685] [2024-11-27 20:28:52,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:52,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:28:52,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:28:52,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:28:52,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:28:52,556 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:28:52,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 35 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:52,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:52,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:28:52,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:28:53,422 INFO L124 PetriNetUnfolderBase]: 1212/1743 cut-off events. [2024-11-27 20:28:53,422 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2024-11-27 20:28:53,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3640 conditions, 1743 events. 1212/1743 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6899 event pairs, 308 based on Foata normal form. 1/1434 useless extension candidates. Maximal degree in co-relation 3272. Up to 1239 conditions per place. [2024-11-27 20:28:53,446 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 49 selfloop transitions, 4 changer transitions 1/55 dead transitions. [2024-11-27 20:28:53,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 55 transitions, 251 flow [2024-11-27 20:28:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:28:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:28:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2024-11-27 20:28:53,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5726495726495726 [2024-11-27 20:28:53,467 INFO L175 Difference]: Start difference. First operand has 38 places, 35 transitions, 88 flow. Second operand 3 states and 67 transitions. [2024-11-27 20:28:53,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 55 transitions, 251 flow [2024-11-27 20:28:53,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 55 transitions, 229 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 20:28:53,482 INFO L231 Difference]: Finished difference. Result has 35 places, 38 transitions, 102 flow [2024-11-27 20:28:53,487 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2024-11-27 20:28:53,492 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -3 predicate places. [2024-11-27 20:28:53,493 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 102 flow [2024-11-27 20:28:53,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:53,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:53,494 INFO L206 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] [2024-11-27 20:28:53,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:28:53,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:53,695 INFO L396 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)] === [2024-11-27 20:28:53,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:53,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2102782985, now seen corresponding path program 1 times [2024-11-27 20:28:53,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:28:53,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733912853] [2024-11-27 20:28:53,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:53,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:53,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:53,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:28:53,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:28:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:53,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:28:53,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:28:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:54,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:28:54,005 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:28:54,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733912853] [2024-11-27 20:28:54,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733912853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:54,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:54,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:54,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369857863] [2024-11-27 20:28:54,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:54,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:54,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:28:54,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:54,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:54,011 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:28:54,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 102 flow. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:54,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:54,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:28:54,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:28:54,873 INFO L124 PetriNetUnfolderBase]: 1497/2139 cut-off events. [2024-11-27 20:28:54,877 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2024-11-27 20:28:54,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4838 conditions, 2139 events. 1497/2139 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 9110 event pairs, 550 based on Foata normal form. 0/1832 useless extension candidates. Maximal degree in co-relation 1369. Up to 1221 conditions per place. [2024-11-27 20:28:54,904 INFO L140 encePairwiseOnDemand]: 34/39 looper letters, 53 selfloop transitions, 4 changer transitions 0/58 dead transitions. [2024-11-27 20:28:54,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 58 transitions, 270 flow [2024-11-27 20:28:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:28:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 73 transitions. [2024-11-27 20:28:54,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37435897435897436 [2024-11-27 20:28:54,906 INFO L175 Difference]: Start difference. First operand has 35 places, 38 transitions, 102 flow. Second operand 5 states and 73 transitions. [2024-11-27 20:28:54,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 58 transitions, 270 flow [2024-11-27 20:28:54,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 58 transitions, 262 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-27 20:28:54,909 INFO L231 Difference]: Finished difference. Result has 39 places, 39 transitions, 112 flow [2024-11-27 20:28:54,911 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=112, PETRI_PLACES=39, PETRI_TRANSITIONS=39} [2024-11-27 20:28:54,912 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 1 predicate places. [2024-11-27 20:28:54,912 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 112 flow [2024-11-27 20:28:54,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:54,913 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:54,913 INFO L206 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] [2024-11-27 20:28:54,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:28:55,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:55,118 INFO L396 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)] === [2024-11-27 20:28:55,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:55,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1051299809, now seen corresponding path program 1 times [2024-11-27 20:28:55,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:28:55,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490071143] [2024-11-27 20:28:55,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:55,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:55,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:55,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:28:55,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:28:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:55,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:28:55,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:28:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:28:55,362 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:28:55,363 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:28:55,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490071143] [2024-11-27 20:28:55,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490071143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:55,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:55,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:28:55,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070470983] [2024-11-27 20:28:55,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:55,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:55,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:28:55,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:55,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:55,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:28:55,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:55,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:55,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:28:55,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:28:56,149 INFO L124 PetriNetUnfolderBase]: 1500/2147 cut-off events. [2024-11-27 20:28:56,149 INFO L125 PetriNetUnfolderBase]: For 661/661 co-relation queries the response was YES. [2024-11-27 20:28:56,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5106 conditions, 2147 events. 1500/2147 cut-off events. For 661/661 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8408 event pairs, 1146 based on Foata normal form. 1/1901 useless extension candidates. Maximal degree in co-relation 1846. Up to 2139 conditions per place. [2024-11-27 20:28:56,164 INFO L140 encePairwiseOnDemand]: 33/39 looper letters, 36 selfloop transitions, 4 changer transitions 6/47 dead transitions. [2024-11-27 20:28:56,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 47 transitions, 220 flow [2024-11-27 20:28:56,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:28:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2024-11-27 20:28:56,167 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3282051282051282 [2024-11-27 20:28:56,167 INFO L175 Difference]: Start difference. First operand has 39 places, 39 transitions, 112 flow. Second operand 5 states and 64 transitions. [2024-11-27 20:28:56,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 47 transitions, 220 flow [2024-11-27 20:28:56,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 20:28:56,171 INFO L231 Difference]: Finished difference. Result has 43 places, 41 transitions, 134 flow [2024-11-27 20:28:56,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=134, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2024-11-27 20:28:56,173 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2024-11-27 20:28:56,174 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 134 flow [2024-11-27 20:28:56,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:56,174 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:56,174 INFO L206 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] [2024-11-27 20:28:56,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:28:56,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:56,379 INFO L396 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)] === [2024-11-27 20:28:56,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:56,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1601622511, now seen corresponding path program 1 times [2024-11-27 20:28:56,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:28:56,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640654279] [2024-11-27 20:28:56,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:56,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:56,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:28:56,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:28:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:56,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:28:56,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:28:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:28:57,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:28:57,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:28:57,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640654279] [2024-11-27 20:28:57,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640654279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:57,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:57,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:28:57,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866083539] [2024-11-27 20:28:57,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:57,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:28:57,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:28:57,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:28:57,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:28:57,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:28:57,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 134 flow. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:57,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:57,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:28:57,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:28:59,553 INFO L124 PetriNetUnfolderBase]: 2438/3473 cut-off events. [2024-11-27 20:28:59,553 INFO L125 PetriNetUnfolderBase]: For 592/592 co-relation queries the response was YES. [2024-11-27 20:28:59,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8147 conditions, 3473 events. 2438/3473 cut-off events. For 592/592 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 15902 event pairs, 550 based on Foata normal form. 0/3057 useless extension candidates. Maximal degree in co-relation 8121. Up to 1305 conditions per place. [2024-11-27 20:28:59,578 INFO L140 encePairwiseOnDemand]: 28/39 looper letters, 115 selfloop transitions, 16 changer transitions 0/132 dead transitions. [2024-11-27 20:28:59,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 132 transitions, 639 flow [2024-11-27 20:28:59,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:28:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 20:28:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 162 transitions. [2024-11-27 20:28:59,581 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4153846153846154 [2024-11-27 20:28:59,581 INFO L175 Difference]: Start difference. First operand has 43 places, 41 transitions, 134 flow. Second operand 10 states and 162 transitions. [2024-11-27 20:28:59,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 132 transitions, 639 flow [2024-11-27 20:28:59,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 132 transitions, 629 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-27 20:28:59,589 INFO L231 Difference]: Finished difference. Result has 52 places, 53 transitions, 230 flow [2024-11-27 20:28:59,590 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=230, PETRI_PLACES=52, PETRI_TRANSITIONS=53} [2024-11-27 20:28:59,591 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2024-11-27 20:28:59,594 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 53 transitions, 230 flow [2024-11-27 20:28:59,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:59,594 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:59,594 INFO L206 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] [2024-11-27 20:28:59,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:28:59,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:59,795 INFO L396 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)] === [2024-11-27 20:28:59,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:59,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1621530753, now seen corresponding path program 2 times [2024-11-27 20:28:59,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:28:59,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63804549] [2024-11-27 20:28:59,797 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:28:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:59,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:59,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:28:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:28:59,963 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:28:59,963 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:28:59,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:28:59,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 20:29:00,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:00,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:00,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63804549] [2024-11-27 20:29:00,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63804549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:00,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:00,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:00,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488126721] [2024-11-27 20:29:00,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:00,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:29:00,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:00,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:29:00,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:00,249 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:29:00,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 53 transitions, 230 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:00,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:00,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:29:00,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:02,086 INFO L124 PetriNetUnfolderBase]: 3635/5257 cut-off events. [2024-11-27 20:29:02,086 INFO L125 PetriNetUnfolderBase]: For 4570/4570 co-relation queries the response was YES. [2024-11-27 20:29:02,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15502 conditions, 5257 events. 3635/5257 cut-off events. For 4570/4570 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 25776 event pairs, 1256 based on Foata normal form. 28/5282 useless extension candidates. Maximal degree in co-relation 15468. Up to 2194 conditions per place. [2024-11-27 20:29:02,133 INFO L140 encePairwiseOnDemand]: 31/39 looper letters, 100 selfloop transitions, 14 changer transitions 0/115 dead transitions. [2024-11-27 20:29:02,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 115 transitions, 721 flow [2024-11-27 20:29:02,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:29:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-27 20:29:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2024-11-27 20:29:02,135 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3992673992673993 [2024-11-27 20:29:02,136 INFO L175 Difference]: Start difference. First operand has 52 places, 53 transitions, 230 flow. Second operand 7 states and 109 transitions. [2024-11-27 20:29:02,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 115 transitions, 721 flow [2024-11-27 20:29:02,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 115 transitions, 672 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-27 20:29:02,165 INFO L231 Difference]: Finished difference. Result has 57 places, 59 transitions, 302 flow [2024-11-27 20:29:02,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=302, PETRI_PLACES=57, PETRI_TRANSITIONS=59} [2024-11-27 20:29:02,167 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 19 predicate places. [2024-11-27 20:29:02,168 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 59 transitions, 302 flow [2024-11-27 20:29:02,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:02,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:02,169 INFO L206 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] [2024-11-27 20:29:02,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:29:02,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:02,372 INFO L396 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)] === [2024-11-27 20:29:02,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:02,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1270581855, now seen corresponding path program 3 times [2024-11-27 20:29:02,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:02,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541973411] [2024-11-27 20:29:02,374 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:29:02,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:02,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:02,377 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:02,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:29:02,551 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:29:02,551 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:02,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:29:02,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:29:02,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:02,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:02,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541973411] [2024-11-27 20:29:02,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541973411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:02,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:02,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:29:02,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38169639] [2024-11-27 20:29:02,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:02,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:29:02,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:02,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:29:02,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:29:02,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:29:02,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 302 flow. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:02,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:02,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:29:02,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:05,015 INFO L124 PetriNetUnfolderBase]: 5539/7938 cut-off events. [2024-11-27 20:29:05,015 INFO L125 PetriNetUnfolderBase]: For 11659/11659 co-relation queries the response was YES. [2024-11-27 20:29:05,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25236 conditions, 7938 events. 5539/7938 cut-off events. For 11659/11659 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 41252 event pairs, 1395 based on Foata normal form. 133/8068 useless extension candidates. Maximal degree in co-relation 25200. Up to 3139 conditions per place. [2024-11-27 20:29:05,074 INFO L140 encePairwiseOnDemand]: 31/39 looper letters, 116 selfloop transitions, 23 changer transitions 0/140 dead transitions. [2024-11-27 20:29:05,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 140 transitions, 998 flow [2024-11-27 20:29:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:29:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 20:29:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 129 transitions. [2024-11-27 20:29:05,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41346153846153844 [2024-11-27 20:29:05,077 INFO L175 Difference]: Start difference. First operand has 57 places, 59 transitions, 302 flow. Second operand 8 states and 129 transitions. [2024-11-27 20:29:05,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 140 transitions, 998 flow [2024-11-27 20:29:05,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 140 transitions, 941 flow, removed 20 selfloop flow, removed 3 redundant places. [2024-11-27 20:29:05,114 INFO L231 Difference]: Finished difference. Result has 64 places, 73 transitions, 456 flow [2024-11-27 20:29:05,114 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=456, PETRI_PLACES=64, PETRI_TRANSITIONS=73} [2024-11-27 20:29:05,115 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 26 predicate places. [2024-11-27 20:29:05,115 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 73 transitions, 456 flow [2024-11-27 20:29:05,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:05,116 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:05,116 INFO L206 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] [2024-11-27 20:29:05,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:29:05,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:05,317 INFO L396 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)] === [2024-11-27 20:29:05,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash 566819899, now seen corresponding path program 4 times [2024-11-27 20:29:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:05,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [514367894] [2024-11-27 20:29:05,318 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:29:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:05,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:05,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:05,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:29:05,496 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:29:05,496 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:05,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:29:05,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:29:05,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:29:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:29:06,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:06,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514367894] [2024-11-27 20:29:06,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514367894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:29:06,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:29:06,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-27 20:29:06,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385287427] [2024-11-27 20:29:06,161 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:29:06,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:29:06,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:06,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:29:06,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:29:06,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:29:06,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 73 transitions, 456 flow. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:06,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:06,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:29:06,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:09,989 INFO L124 PetriNetUnfolderBase]: 7606/10987 cut-off events. [2024-11-27 20:29:09,990 INFO L125 PetriNetUnfolderBase]: For 25482/25482 co-relation queries the response was YES. [2024-11-27 20:29:10,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37600 conditions, 10987 events. 7606/10987 cut-off events. For 25482/25482 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 59357 event pairs, 643 based on Foata normal form. 379/11363 useless extension candidates. Maximal degree in co-relation 37561. Up to 2120 conditions per place. [2024-11-27 20:29:10,046 INFO L140 encePairwiseOnDemand]: 26/39 looper letters, 194 selfloop transitions, 100 changer transitions 0/295 dead transitions. [2024-11-27 20:29:10,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 295 transitions, 2182 flow [2024-11-27 20:29:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 20:29:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-27 20:29:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 293 transitions. [2024-11-27 20:29:10,050 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41737891737891736 [2024-11-27 20:29:10,050 INFO L175 Difference]: Start difference. First operand has 64 places, 73 transitions, 456 flow. Second operand 18 states and 293 transitions. [2024-11-27 20:29:10,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 295 transitions, 2182 flow [2024-11-27 20:29:10,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 295 transitions, 2154 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-11-27 20:29:10,167 INFO L231 Difference]: Finished difference. Result has 94 places, 149 transitions, 1398 flow [2024-11-27 20:29:10,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1398, PETRI_PLACES=94, PETRI_TRANSITIONS=149} [2024-11-27 20:29:10,168 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 56 predicate places. [2024-11-27 20:29:10,168 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 149 transitions, 1398 flow [2024-11-27 20:29:10,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:10,168 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:10,169 INFO L206 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] [2024-11-27 20:29:10,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 20:29:10,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:10,369 INFO L396 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)] === [2024-11-27 20:29:10,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:10,370 INFO L85 PathProgramCache]: Analyzing trace with hash -355047155, now seen corresponding path program 1 times [2024-11-27 20:29:10,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:10,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354341782] [2024-11-27 20:29:10,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:10,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:10,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:10,373 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:10,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:29:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:12,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:29:12,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:29:12,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:12,333 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:12,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354341782] [2024-11-27 20:29:12,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354341782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:12,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:12,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:12,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561931155] [2024-11-27 20:29:12,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:12,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:12,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:12,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:12,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:12,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:29:12,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 149 transitions, 1398 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:12,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:12,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:29:12,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:14,654 INFO L124 PetriNetUnfolderBase]: 7658/11092 cut-off events. [2024-11-27 20:29:14,655 INFO L125 PetriNetUnfolderBase]: For 82199/82199 co-relation queries the response was YES. [2024-11-27 20:29:14,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53565 conditions, 11092 events. 7658/11092 cut-off events. For 82199/82199 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 58863 event pairs, 4379 based on Foata normal form. 64/11152 useless extension candidates. Maximal degree in co-relation 53511. Up to 10976 conditions per place. [2024-11-27 20:29:14,726 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 148 selfloop transitions, 3 changer transitions 17/169 dead transitions. [2024-11-27 20:29:14,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 169 transitions, 1888 flow [2024-11-27 20:29:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:29:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2024-11-27 20:29:14,727 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42948717948717946 [2024-11-27 20:29:14,728 INFO L175 Difference]: Start difference. First operand has 94 places, 149 transitions, 1398 flow. Second operand 4 states and 67 transitions. [2024-11-27 20:29:14,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 169 transitions, 1888 flow [2024-11-27 20:29:15,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 169 transitions, 1703 flow, removed 78 selfloop flow, removed 2 redundant places. [2024-11-27 20:29:15,279 INFO L231 Difference]: Finished difference. Result has 97 places, 150 transitions, 1258 flow [2024-11-27 20:29:15,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=1230, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1258, PETRI_PLACES=97, PETRI_TRANSITIONS=150} [2024-11-27 20:29:15,280 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 59 predicate places. [2024-11-27 20:29:15,280 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 150 transitions, 1258 flow [2024-11-27 20:29:15,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:15,280 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:15,281 INFO L206 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, 1] [2024-11-27 20:29:15,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 20:29:15,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:15,481 INFO L396 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)] === [2024-11-27 20:29:15,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:15,482 INFO L85 PathProgramCache]: Analyzing trace with hash 246734464, now seen corresponding path program 1 times [2024-11-27 20:29:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121123322] [2024-11-27 20:29:15,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:15,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:15,484 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:15,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:29:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:16,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:29:16,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 20:29:16,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:16,518 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:16,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121123322] [2024-11-27 20:29:16,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121123322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:16,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:16,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:16,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813416158] [2024-11-27 20:29:16,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:16,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:16,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:16,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:16,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:16,519 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2024-11-27 20:29:16,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 150 transitions, 1258 flow. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:16,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:16,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2024-11-27 20:29:16,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:18,543 INFO L124 PetriNetUnfolderBase]: 7660/11098 cut-off events. [2024-11-27 20:29:18,543 INFO L125 PetriNetUnfolderBase]: For 79173/79173 co-relation queries the response was YES. [2024-11-27 20:29:18,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52452 conditions, 11098 events. 7660/11098 cut-off events. For 79173/79173 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 58905 event pairs, 4379 based on Foata normal form. 65/11162 useless extension candidates. Maximal degree in co-relation 52394. Up to 10979 conditions per place. [2024-11-27 20:29:18,615 INFO L140 encePairwiseOnDemand]: 31/39 looper letters, 146 selfloop transitions, 4 changer transitions 21/172 dead transitions. [2024-11-27 20:29:18,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 172 transitions, 1750 flow [2024-11-27 20:29:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:29:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 73 transitions. [2024-11-27 20:29:18,617 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37435897435897436 [2024-11-27 20:29:18,617 INFO L175 Difference]: Start difference. First operand has 97 places, 150 transitions, 1258 flow. Second operand 5 states and 73 transitions. [2024-11-27 20:29:18,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 172 transitions, 1750 flow [2024-11-27 20:29:18,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 172 transitions, 1741 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-27 20:29:18,936 INFO L231 Difference]: Finished difference. Result has 102 places, 151 transitions, 1286 flow [2024-11-27 20:29:18,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1286, PETRI_PLACES=102, PETRI_TRANSITIONS=151} [2024-11-27 20:29:18,937 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 64 predicate places. [2024-11-27 20:29:18,937 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 151 transitions, 1286 flow [2024-11-27 20:29:18,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:18,937 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:18,938 INFO L206 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, 1, 1] [2024-11-27 20:29:18,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 20:29:19,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:19,138 INFO L396 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)] === [2024-11-27 20:29:19,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2108876276, now seen corresponding path program 1 times [2024-11-27 20:29:19,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:19,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649091001] [2024-11-27 20:29:19,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:19,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:19,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:19,146 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:19,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21aedc6-d231-4c24-8d0d-1488d877cf34/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:29:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:19,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-27 20:29:19,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:20,052 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 [2024-11-27 20:29:20,231 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 [2024-11-27 20:29:20,242 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 11 treesize of output 7 [2024-11-27 20:29:23,160 INFO L349 Elim1Store]: treesize reduction 72, result has 60.2 percent of original size [2024-11-27 20:29:23,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 105 treesize of output 171 [2024-11-27 20:29:23,212 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:29:23,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:29:23,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 140 [2024-11-27 20:29:23,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:29:23,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 151 treesize of output 115 [2024-11-27 20:29:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:29:24,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:30:16,611 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 119 treesize of output 115 [2024-11-27 20:30:20,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:30:20,839 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 450 treesize of output 426 [2024-11-27 20:30:20,891 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 402 treesize of output 386 [2024-11-27 20:30:25,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:30:25,177 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 1190 treesize of output 1022 [2024-11-27 20:30:33,211 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:30:41,235 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:30:49,254 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:30:57,277 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:31:05,291 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:31:13,309 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:31:21,325 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:31:37,519 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:31:53,714 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:01,729 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:09,745 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:17,767 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:25,783 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:33,797 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:41,811 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:49,828 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:32:57,841 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:33:05,861 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:33:13,879 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:33:21,893 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:33:29,909 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:33:42,025 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:33:58,167 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:34:06,186 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:34:14,207 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:34:22,223 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:34:30,242 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:34:38,257 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:34:46,330 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:02,485 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:10,500 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:18,518 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:26,532 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:34,547 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:42,560 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:50,574 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:35:58,588 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:36:06,600 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:36:14,614 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)