./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-three-array-sum.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 80b1b132 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-three-array-sum.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-?-80b1b13-m [2024-01-31 17:19:33,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:19:33,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 17:19:33,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:19:33,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:19:33,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:19:33,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:19:33,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:19:33,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:19:33,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:19:33,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:19:33,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:19:33,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:19:33,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:19:33,649 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:19:33,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:19:33,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:19:33,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:19:33,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 17:19:33,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:19:33,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:19:33,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:19:33,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:19:33,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:19:33,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:19:33,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:19:33,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:19:33,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:19:33,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:19:33,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:19:33,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:19:33,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:19:33,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:19:33,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:19:33,654 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:19:33,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:19:33,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:19:33,655 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:19:33,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:19:33,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:19:33,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:19:33,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:19:33,871 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:19:33,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-01-31 17:19:34,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:19:35,107 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:19:35,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-01-31 17:19:35,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9198dcd/63c493bf037d45b5acc074984a295b13/FLAG009de01ca [2024-01-31 17:19:35,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9198dcd/63c493bf037d45b5acc074984a295b13 [2024-01-31 17:19:35,124 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:19:35,133 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:19:35,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-three-array-sum.wvr.yml/witness.yml [2024-01-31 17:19:35,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:19:35,274 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:19:35,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:19:35,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:19:35,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:19:35,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:19:35" (1/2) ... [2024-01-31 17:19:35,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44aa667b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:19:35, skipping insertion in model container [2024-01-31 17:19:35,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:19:35" (1/2) ... [2024-01-31 17:19:35,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48cbd9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:19:35, skipping insertion in model container [2024-01-31 17:19:35,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:19:35" (2/2) ... [2024-01-31 17:19:35,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44aa667b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35, skipping insertion in model container [2024-01-31 17:19:35,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:19:35" (2/2) ... [2024-01-31 17:19:35,285 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:19:35,335 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 17:19:35,336 INFO L98 nessWitnessExtractor]: Location invariant after [L69-L69] (unsigned long )_argptr == 0UL [2024-01-31 17:19:35,337 INFO L98 nessWitnessExtractor]: Location invariant after [L72-L72] ((0 <= p) && ((unsigned long )_argptr == 0UL)) && (((((((((0 <= i && i <= 1) && (i == 0 || i == 1)) || (0 == i && i == 0)) || (0 <= i && i <= 2147483646)) || (0 <= i && i <= 6)) || (0 <= i && i <= 5)) || (0 <= i && i <= 4)) || ((0 <= i && i <= 3) && i <= 65535)) || ((0 <= i && i <= 2) && i <= 255)) [2024-01-31 17:19:35,356 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:19:35,505 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-01-31 17:19:35,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:19:35,517 INFO L204 MainTranslator]: Completed pre-run [2024-01-31 17:19:35,529 WARN L424 MainDispatcher]: Unable to annotate int with a witness entry [2024-01-31 17:19:35,529 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-01-31 17:19:35,533 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-01-31 17:19:35,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:19:35,552 INFO L208 MainTranslator]: Completed translation [2024-01-31 17:19:35,552 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35 WrapperNode [2024-01-31 17:19:35,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:19:35,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 17:19:35,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 17:19:35,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 17:19:35,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,581 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 156 [2024-01-31 17:19:35,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 17:19:35,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 17:19:35,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 17:19:35,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 17:19:35,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,603 INFO L175 MemorySlicer]: Split 17 memory accesses to 5 slices as follows [2, 2, 9, 2, 2]. 53 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 4, 1, 1]. [2024-01-31 17:19:35,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 17:19:35,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 17:19:35,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 17:19:35,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 17:19:35,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (1/1) ... [2024-01-31 17:19:35,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:19:35,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:19:35,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-31 17:19:35,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-31 17:19:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-31 17:19:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 17:19:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 17:19:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 17:19:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-31 17:19:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 17:19:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 17:19:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 17:19:35,721 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 17:19:35,824 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 17:19:35,827 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 17:19:36,117 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 17:19:36,117 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 17:19:36,401 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 17:19:36,401 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-31 17:19:36,402 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:19:36 BoogieIcfgContainer [2024-01-31 17:19:36,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 17:19:36,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 17:19:36,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 17:19:36,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 17:19:36,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 05:19:35" (1/4) ... [2024-01-31 17:19:36,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36121b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:19:36, skipping insertion in model container [2024-01-31 17:19:36,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:19:35" (2/4) ... [2024-01-31 17:19:36,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36121b56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:19:36, skipping insertion in model container [2024-01-31 17:19:36,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:19:35" (3/4) ... [2024-01-31 17:19:36,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36121b56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:19:36, skipping insertion in model container [2024-01-31 17:19:36,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:19:36" (4/4) ... [2024-01-31 17:19:36,412 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-01-31 17:19:36,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 17:19:36,429 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-31 17:19:36,430 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 17:19:36,480 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 17:19:36,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 103 flow [2024-01-31 17:19:36,555 INFO L124 PetriNetUnfolderBase]: 7/38 cut-off events. [2024-01-31 17:19:36,556 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 17:19:36,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 38 events. 7/38 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. 0/30 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-01-31 17:19:36,560 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 41 transitions, 103 flow [2024-01-31 17:19:36,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 37 transitions, 92 flow [2024-01-31 17:19:36,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 17:19:36,585 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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;@3a7076c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 17:19:36,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-01-31 17:19:36,604 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 17:19:36,606 INFO L124 PetriNetUnfolderBase]: 7/36 cut-off events. [2024-01-31 17:19:36,606 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 17:19:36,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:36,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:36,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:36,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:36,612 INFO L85 PathProgramCache]: Analyzing trace with hash 458125998, now seen corresponding path program 1 times [2024-01-31 17:19:36,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:36,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692056648] [2024-01-31 17:19:36,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:36,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:19:37,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692056648] [2024-01-31 17:19:37,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692056648] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:19:37,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:19:37,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 17:19:37,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315325680] [2024-01-31 17:19:37,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:19:37,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 17:19:37,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:19:37,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 17:19:37,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 17:19:37,386 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-01-31 17:19:37,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:37,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:19:37,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-01-31 17:19:37,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:19:37,659 INFO L124 PetriNetUnfolderBase]: 710/1158 cut-off events. [2024-01-31 17:19:37,659 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES. [2024-01-31 17:19:37,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2222 conditions, 1158 events. 710/1158 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5273 event pairs, 191 based on Foata normal form. 1/1017 useless extension candidates. Maximal degree in co-relation 1712. Up to 605 conditions per place. [2024-01-31 17:19:37,679 INFO L140 encePairwiseOnDemand]: 37/41 looper letters, 46 selfloop transitions, 3 changer transitions 1/57 dead transitions. [2024-01-31 17:19:37,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 57 transitions, 247 flow [2024-01-31 17:19:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 17:19:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 17:19:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-01-31 17:19:37,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6585365853658537 [2024-01-31 17:19:37,730 INFO L175 Difference]: Start difference. First operand has 40 places, 37 transitions, 92 flow. Second operand 3 states and 81 transitions. [2024-01-31 17:19:37,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 57 transitions, 247 flow [2024-01-31 17:19:37,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 57 transitions, 225 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 17:19:37,760 INFO L231 Difference]: Finished difference. Result has 37 places, 39 transitions, 99 flow [2024-01-31 17:19:37,762 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=37, PETRI_TRANSITIONS=39} [2024-01-31 17:19:37,766 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -3 predicate places. [2024-01-31 17:19:37,766 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 39 transitions, 99 flow [2024-01-31 17:19:37,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:37,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:37,768 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:37,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 17:19:37,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:37,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1485878142, now seen corresponding path program 1 times [2024-01-31 17:19:37,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118582970] [2024-01-31 17:19:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:37,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:19:37,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:37,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118582970] [2024-01-31 17:19:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118582970] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:19:37,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:19:37,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-31 17:19:37,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017786659] [2024-01-31 17:19:37,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:19:37,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 17:19:37,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:19:37,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 17:19:37,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-31 17:19:37,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-01-31 17:19:37,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 39 transitions, 99 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:37,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:19:37,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-01-31 17:19:37,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:19:38,263 INFO L124 PetriNetUnfolderBase]: 1187/2095 cut-off events. [2024-01-31 17:19:38,263 INFO L125 PetriNetUnfolderBase]: For 244/244 co-relation queries the response was YES. [2024-01-31 17:19:38,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4089 conditions, 2095 events. 1187/2095 cut-off events. For 244/244 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 11639 event pairs, 708 based on Foata normal form. 58/2031 useless extension candidates. Maximal degree in co-relation 1686. Up to 922 conditions per place. [2024-01-31 17:19:38,276 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 65 selfloop transitions, 12 changer transitions 0/84 dead transitions. [2024-01-31 17:19:38,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 84 transitions, 363 flow [2024-01-31 17:19:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-31 17:19:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-01-31 17:19:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 136 transitions. [2024-01-31 17:19:38,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5528455284552846 [2024-01-31 17:19:38,278 INFO L175 Difference]: Start difference. First operand has 37 places, 39 transitions, 99 flow. Second operand 6 states and 136 transitions. [2024-01-31 17:19:38,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 84 transitions, 363 flow [2024-01-31 17:19:38,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 84 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-31 17:19:38,281 INFO L231 Difference]: Finished difference. Result has 45 places, 49 transitions, 180 flow [2024-01-31 17:19:38,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=180, PETRI_PLACES=45, PETRI_TRANSITIONS=49} [2024-01-31 17:19:38,282 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places. [2024-01-31 17:19:38,282 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 49 transitions, 180 flow [2024-01-31 17:19:38,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:38,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:38,283 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:38,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 17:19:38,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:38,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:38,284 INFO L85 PathProgramCache]: Analyzing trace with hash -277116002, now seen corresponding path program 1 times [2024-01-31 17:19:38,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:38,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623805658] [2024-01-31 17:19:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:38,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:38,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:38,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623805658] [2024-01-31 17:19:38,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623805658] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:38,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680532112] [2024-01-31 17:19:38,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:38,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:38,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:19:38,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-31 17:19:38,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-01-31 17:19:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:38,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-31 17:19:38,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-31 17:19:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:38,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-31 17:19:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680532112] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:38,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-31 17:19:38,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2024-01-31 17:19:38,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547285689] [2024-01-31 17:19:38,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:19:38,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 17:19:38,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:19:38,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 17:19:38,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-01-31 17:19:38,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-01-31 17:19:38,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 49 transitions, 180 flow. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:38,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:19:38,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-01-31 17:19:38,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:19:38,968 INFO L124 PetriNetUnfolderBase]: 2375/4003 cut-off events. [2024-01-31 17:19:38,968 INFO L125 PetriNetUnfolderBase]: For 1837/1837 co-relation queries the response was YES. [2024-01-31 17:19:38,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8782 conditions, 4003 events. 2375/4003 cut-off events. For 1837/1837 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 23363 event pairs, 883 based on Foata normal form. 0/3596 useless extension candidates. Maximal degree in co-relation 3750. Up to 1292 conditions per place. [2024-01-31 17:19:38,987 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 89 selfloop transitions, 8 changer transitions 0/103 dead transitions. [2024-01-31 17:19:38,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 103 transitions, 546 flow [2024-01-31 17:19:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-31 17:19:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-01-31 17:19:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 137 transitions. [2024-01-31 17:19:38,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.556910569105691 [2024-01-31 17:19:38,989 INFO L175 Difference]: Start difference. First operand has 45 places, 49 transitions, 180 flow. Second operand 6 states and 137 transitions. [2024-01-31 17:19:38,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 103 transitions, 546 flow [2024-01-31 17:19:38,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 103 transitions, 546 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-31 17:19:38,993 INFO L231 Difference]: Finished difference. Result has 53 places, 54 transitions, 228 flow [2024-01-31 17:19:38,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=228, PETRI_PLACES=53, PETRI_TRANSITIONS=54} [2024-01-31 17:19:38,994 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 13 predicate places. [2024-01-31 17:19:38,994 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 54 transitions, 228 flow [2024-01-31 17:19:38,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:38,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:38,994 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:39,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-01-31 17:19:39,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:39,207 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:39,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:39,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2091557087, now seen corresponding path program 1 times [2024-01-31 17:19:39,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:39,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127307162] [2024-01-31 17:19:39,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:39,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:19:39,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:39,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127307162] [2024-01-31 17:19:39,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127307162] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:19:39,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:19:39,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-31 17:19:39,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440624905] [2024-01-31 17:19:39,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:19:39,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 17:19:39,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:19:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 17:19:39,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-01-31 17:19:39,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-01-31 17:19:39,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 54 transitions, 228 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:39,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:19:39,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-01-31 17:19:39,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:19:39,589 INFO L124 PetriNetUnfolderBase]: 1530/2481 cut-off events. [2024-01-31 17:19:39,590 INFO L125 PetriNetUnfolderBase]: For 1900/1900 co-relation queries the response was YES. [2024-01-31 17:19:39,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6379 conditions, 2481 events. 1530/2481 cut-off events. For 1900/1900 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 12293 event pairs, 888 based on Foata normal form. 0/2321 useless extension candidates. Maximal degree in co-relation 4135. Up to 1412 conditions per place. [2024-01-31 17:19:39,601 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 30 selfloop transitions, 6 changer transitions 41/84 dead transitions. [2024-01-31 17:19:39,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 84 transitions, 480 flow [2024-01-31 17:19:39,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-31 17:19:39,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-01-31 17:19:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 124 transitions. [2024-01-31 17:19:39,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5040650406504065 [2024-01-31 17:19:39,605 INFO L175 Difference]: Start difference. First operand has 53 places, 54 transitions, 228 flow. Second operand 6 states and 124 transitions. [2024-01-31 17:19:39,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 84 transitions, 480 flow [2024-01-31 17:19:39,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 84 transitions, 480 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-31 17:19:39,611 INFO L231 Difference]: Finished difference. Result has 60 places, 43 transitions, 181 flow [2024-01-31 17:19:39,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=181, PETRI_PLACES=60, PETRI_TRANSITIONS=43} [2024-01-31 17:19:39,612 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 20 predicate places. [2024-01-31 17:19:39,612 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 43 transitions, 181 flow [2024-01-31 17:19:39,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:39,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:39,613 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:39,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 17:19:39,613 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:39,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:39,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1373667084, now seen corresponding path program 1 times [2024-01-31 17:19:39,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:39,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919745946] [2024-01-31 17:19:39,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:39,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:39,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919745946] [2024-01-31 17:19:39,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919745946] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:39,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483985186] [2024-01-31 17:19:39,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:39,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:19:39,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-31 17:19:39,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-31 17:19:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:39,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-31 17:19:39,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-31 17:19:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:39,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-31 17:19:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:39,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483985186] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:39,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-31 17:19:39,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-01-31 17:19:39,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234886644] [2024-01-31 17:19:39,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:19:39,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 17:19:39,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:19:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 17:19:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-01-31 17:19:39,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-01-31 17:19:39,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 43 transitions, 181 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:39,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:19:39,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-01-31 17:19:39,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:19:40,093 INFO L124 PetriNetUnfolderBase]: 1021/1761 cut-off events. [2024-01-31 17:19:40,094 INFO L125 PetriNetUnfolderBase]: For 1229/1229 co-relation queries the response was YES. [2024-01-31 17:19:40,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4369 conditions, 1761 events. 1021/1761 cut-off events. For 1229/1229 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 8992 event pairs, 318 based on Foata normal form. 84/1738 useless extension candidates. Maximal degree in co-relation 4346. Up to 744 conditions per place. [2024-01-31 17:19:40,103 INFO L140 encePairwiseOnDemand]: 35/41 looper letters, 45 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2024-01-31 17:19:40,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 57 transitions, 335 flow [2024-01-31 17:19:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-31 17:19:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-31 17:19:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 91 transitions. [2024-01-31 17:19:40,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44390243902439025 [2024-01-31 17:19:40,104 INFO L175 Difference]: Start difference. First operand has 60 places, 43 transitions, 181 flow. Second operand 5 states and 91 transitions. [2024-01-31 17:19:40,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 57 transitions, 335 flow [2024-01-31 17:19:40,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 57 transitions, 284 flow, removed 15 selfloop flow, removed 10 redundant places. [2024-01-31 17:19:40,108 INFO L231 Difference]: Finished difference. Result has 49 places, 44 transitions, 165 flow [2024-01-31 17:19:40,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=165, PETRI_PLACES=49, PETRI_TRANSITIONS=44} [2024-01-31 17:19:40,108 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 9 predicate places. [2024-01-31 17:19:40,109 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 44 transitions, 165 flow [2024-01-31 17:19:40,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:40,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:40,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:40,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-31 17:19:40,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:40,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:40,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:40,322 INFO L85 PathProgramCache]: Analyzing trace with hash 158256073, now seen corresponding path program 1 times [2024-01-31 17:19:40,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:40,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888862344] [2024-01-31 17:19:40,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-01-31 17:19:40,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:40,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888862344] [2024-01-31 17:19:40,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888862344] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:40,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736856830] [2024-01-31 17:19:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:40,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:19:40,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-31 17:19:40,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-31 17:19:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:40,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-31 17:19:40,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-31 17:19:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-01-31 17:19:40,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-31 17:19:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-01-31 17:19:40,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736856830] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:40,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-31 17:19:40,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2024-01-31 17:19:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250748929] [2024-01-31 17:19:40,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:19:40,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 17:19:40,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:19:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 17:19:40,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-01-31 17:19:40,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 41 [2024-01-31 17:19:40,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:40,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:19:40,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 41 [2024-01-31 17:19:40,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:19:40,733 INFO L124 PetriNetUnfolderBase]: 746/1322 cut-off events. [2024-01-31 17:19:40,734 INFO L125 PetriNetUnfolderBase]: For 777/777 co-relation queries the response was YES. [2024-01-31 17:19:40,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3218 conditions, 1322 events. 746/1322 cut-off events. For 777/777 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6305 event pairs, 372 based on Foata normal form. 62/1310 useless extension candidates. Maximal degree in co-relation 3175. Up to 791 conditions per place. [2024-01-31 17:19:40,741 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 45 selfloop transitions, 5 changer transitions 0/59 dead transitions. [2024-01-31 17:19:40,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 59 transitions, 321 flow [2024-01-31 17:19:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-31 17:19:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-31 17:19:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-01-31 17:19:40,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4682926829268293 [2024-01-31 17:19:40,742 INFO L175 Difference]: Start difference. First operand has 49 places, 44 transitions, 165 flow. Second operand 5 states and 96 transitions. [2024-01-31 17:19:40,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 59 transitions, 321 flow [2024-01-31 17:19:40,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 59 transitions, 313 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-31 17:19:40,744 INFO L231 Difference]: Finished difference. Result has 51 places, 45 transitions, 180 flow [2024-01-31 17:19:40,744 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=180, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2024-01-31 17:19:40,745 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 11 predicate places. [2024-01-31 17:19:40,745 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 180 flow [2024-01-31 17:19:40,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:19:40,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:19:40,745 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:19:40,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-31 17:19:40,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:40,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:19:40,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:19:40,958 INFO L85 PathProgramCache]: Analyzing trace with hash -43850289, now seen corresponding path program 1 times [2024-01-31 17:19:40,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:19:40,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707108604] [2024-01-31 17:19:40,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:40,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:19:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:41,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:19:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707108604] [2024-01-31 17:19:41,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707108604] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-31 17:19:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485250768] [2024-01-31 17:19:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:19:41,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:19:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:19:41,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-31 17:19:41,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-31 17:19:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:19:41,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 23 conjunts are in the unsatisfiable core [2024-01-31 17:19:41,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-31 17:19:42,073 INFO L349 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2024-01-31 17:19:42,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 58 [2024-01-31 17:19:43,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:19:43,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 137 treesize of output 509 [2024-01-31 17:19:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:19:45,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-31 17:20:40,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:20:40,084 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 38 treesize of output 83 [2024-01-31 17:20:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:20:49,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485250768] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-31 17:20:49,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-31 17:20:49,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 7] total 26 [2024-01-31 17:20:49,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923273851] [2024-01-31 17:20:49,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-31 17:20:49,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-01-31 17:20:49,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:20:49,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-01-31 17:20:49,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=588, Unknown=4, NotChecked=0, Total=702 [2024-01-31 17:20:55,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-31 17:21:01,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-01-31 17:21:06,401 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] [2024-01-31 17:21:06,402 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-01-31 17:21:06,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 180 flow. Second operand has 27 states, 27 states have (on average 10.666666666666666) internal successors, (288), 27 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:21:06,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:21:06,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-01-31 17:21:06,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 17:21:59,929 INFO L124 PetriNetUnfolderBase]: 2778/4349 cut-off events. [2024-01-31 17:21:59,929 INFO L125 PetriNetUnfolderBase]: For 4000/4016 co-relation queries the response was YES. [2024-01-31 17:21:59,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11804 conditions, 4349 events. 2778/4349 cut-off events. For 4000/4016 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 22119 event pairs, 93 based on Foata normal form. 1/4218 useless extension candidates. Maximal degree in co-relation 11759. Up to 1807 conditions per place. [2024-01-31 17:21:59,946 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 176 selfloop transitions, 47 changer transitions 1/228 dead transitions. [2024-01-31 17:21:59,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 228 transitions, 1277 flow [2024-01-31 17:21:59,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-31 17:21:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-01-31 17:21:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 339 transitions. [2024-01-31 17:21:59,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45934959349593496 [2024-01-31 17:21:59,948 INFO L175 Difference]: Start difference. First operand has 51 places, 45 transitions, 180 flow. Second operand 18 states and 339 transitions. [2024-01-31 17:21:59,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 228 transitions, 1277 flow [2024-01-31 17:21:59,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 228 transitions, 1257 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-01-31 17:21:59,952 INFO L231 Difference]: Finished difference. Result has 77 places, 90 transitions, 572 flow [2024-01-31 17:21:59,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=572, PETRI_PLACES=77, PETRI_TRANSITIONS=90} [2024-01-31 17:21:59,953 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 37 predicate places. [2024-01-31 17:21:59,953 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 90 transitions, 572 flow [2024-01-31 17:21:59,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.666666666666666) internal successors, (288), 27 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:21:59,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:21:59,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:21:59,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-01-31 17:22:00,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:22:00,154 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-01-31 17:22:00,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:22:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1197206323, now seen corresponding path program 2 times [2024-01-31 17:22:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:22:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748182199] [2024-01-31 17:22:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:22:00,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:22:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:22:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:22:14,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:22:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748182199] [2024-01-31 17:22:14,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748182199] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-31 17:22:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219931776] [2024-01-31 17:22:14,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-31 17:22:14,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-31 17:22:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:22:14,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-31 17:22:14,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-31 17:22:14,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-31 17:22:14,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-31 17:22:14,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 55 conjunts are in the unsatisfiable core [2024-01-31 17:22:14,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-31 17:22:14,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2024-01-31 17:22:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:14,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:14,939 INFO L224 Elim1Store]: Index analysis took 172 ms [2024-01-31 17:22:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:14,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-31 17:22:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:15,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:15,531 INFO L224 Elim1Store]: Index analysis took 345 ms [2024-01-31 17:22:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:15,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-01-31 17:22:15,803 INFO L224 Elim1Store]: Index analysis took 180 ms [2024-01-31 17:22:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:15,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-31 17:22:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:15,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-31 17:22:16,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:16,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-31 17:22:16,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:16,580 INFO L224 Elim1Store]: Index analysis took 180 ms [2024-01-31 17:22:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-31 17:22:16,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-31 17:22:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:16,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:17,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:17,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-31 17:22:17,486 INFO L224 Elim1Store]: Index analysis took 183 ms [2024-01-31 17:22:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:17,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-31 17:22:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:17,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:17,908 INFO L224 Elim1Store]: Index analysis took 176 ms [2024-01-31 17:22:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:17,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-01-31 17:22:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:18,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:18,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:18,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:18,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-31 17:22:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:18,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-01-31 17:22:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-01-31 17:22:18,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-01-31 17:22:20,772 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-01-31 17:22:20,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-01-31 17:22:23,381 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-01-31 17:22:23,381 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 16 treesize of output 18 [2024-01-31 17:22:33,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2024-01-31 17:22:47,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 15 [2024-01-31 17:22:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-01-31 17:22:48,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-31 17:22:56,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:22:56,240 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 316 treesize of output 296 [2024-01-31 17:22:56,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:22:56,530 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 117 treesize of output 103 [2024-01-31 17:23:17,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:23:17,359 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 40 treesize of output 81 [2024-01-31 17:23:17,428 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 109 treesize of output 105 [2024-01-31 17:23:56,381 INFO L224 Elim1Store]: Index analysis took 396 ms [2024-01-31 17:23:59,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:23:59,007 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 257 treesize of output 251 [2024-01-31 17:24:23,672 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:24:27,995 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:24:28,233 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:24:28,382 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:24:28,439 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-01-31 17:24:28,582 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:24:28,730 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:24:30,611 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-01-31 17:26:39,258 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-01-31 17:26:42,420 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 82 treesize of output 68 [2024-01-31 17:27:16,447 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 81 treesize of output 67 [2024-01-31 17:27:19,025 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 132 treesize of output 108 [2024-01-31 17:27:24,987 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 150 treesize of output 124 [2024-01-31 17:27:25,325 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 149 treesize of output 123 [2024-01-31 17:27:25,626 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 200 treesize of output 164 [2024-01-31 17:27:26,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:27:26,234 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 117 treesize of output 103 [2024-01-31 17:27:26,569 INFO L224 Elim1Store]: Index analysis took 197 ms [2024-01-31 17:27:27,576 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2024-01-31 17:27:27,576 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 134 treesize of output 118 [2024-01-31 17:27:46,986 INFO L224 Elim1Store]: Index analysis took 623 ms [2024-01-31 17:27:49,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-31 17:27:49,296 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 233 treesize of output 239 Killed by 15