./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '3cf612fb43c98d640569a1c9328794313185fe1b6a4dbfc7e502cbb16fa8754d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf612fb43c98d640569a1c9328794313185fe1b6a4dbfc7e502cbb16fa8754d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:34:49,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:34:49,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:34:49,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:34:49,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:34:49,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:34:49,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:34:49,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:34:49,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:34:49,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:34:49,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:34:49,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:34:49,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:34:49,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:34:49,637 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:34:49,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:34:49,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:34:49,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:34:49,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:34:49,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:34:49,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:34:49,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:34:49,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:34:49,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:34:49,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:34:49,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:34:49,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:34:49,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:34:49,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:34:49,641 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf612fb43c98d640569a1c9328794313185fe1b6a4dbfc7e502cbb16fa8754d [2024-11-07 00:34:49,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:34:49,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:34:49,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:34:49,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:34:49,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:34:49,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2024-11-07 00:34:51,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:34:51,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:34:51,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2024-11-07 00:34:51,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c469aed48/b18f5f3441cb45e6b018f8a78511c66e/FLAG935012b11 [2024-11-07 00:34:51,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c469aed48/b18f5f3441cb45e6b018f8a78511c66e [2024-11-07 00:34:51,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:34:51,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:34:51,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:34:51,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:34:51,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:34:51,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c96f46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51, skipping insertion in model container [2024-11-07 00:34:51,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:34:51,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c[7633,7646] [2024-11-07 00:34:51,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:34:51,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:34:51,683 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c[7633,7646] [2024-11-07 00:34:51,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:34:51,733 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:34:51,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51 WrapperNode [2024-11-07 00:34:51,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:34:51,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:34:51,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:34:51,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:34:51,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,793 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 630 [2024-11-07 00:34:51,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:34:51,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:34:51,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:34:51,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:34:51,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,834 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 00:34:51,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:34:51,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:34:51,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:34:51,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:34:51,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (1/1) ... [2024-11-07 00:34:51,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:34:51,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:34:51,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 00:34:51,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 00:34:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:34:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:34:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:34:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:34:52,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:34:52,023 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:34:52,442 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-07 00:34:52,442 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:34:52,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:34:52,453 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 00:34:52,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:34:52 BoogieIcfgContainer [2024-11-07 00:34:52,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:34:52,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:34:52,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:34:52,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:34:52,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:34:51" (1/3) ... [2024-11-07 00:34:52,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebe5f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:34:52, skipping insertion in model container [2024-11-07 00:34:52,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:51" (2/3) ... [2024-11-07 00:34:52,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebe5f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:34:52, skipping insertion in model container [2024-11-07 00:34:52,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:34:52" (3/3) ... [2024-11-07 00:34:52,461 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2024-11-07 00:34:52,471 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:34:52,471 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:34:52,511 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:34:52,520 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b64bc40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:34:52,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:34:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 1.7537313432835822) internal successors, (235), 135 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:34:52,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:52,529 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:52,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:52,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:52,532 INFO L85 PathProgramCache]: Analyzing trace with hash -313177950, now seen corresponding path program 1 times [2024-11-07 00:34:52,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:52,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468485881] [2024-11-07 00:34:52,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:52,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:52,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:52,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468485881] [2024-11-07 00:34:52,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468485881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:52,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:52,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:52,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894665765] [2024-11-07 00:34:52,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:52,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:52,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:52,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:52,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:52,914 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 1.7537313432835822) internal successors, (235), 135 states have internal predecessors, (235), 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) Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:52,966 INFO L93 Difference]: Finished difference Result 294 states and 484 transitions. [2024-11-07 00:34:52,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:52,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) Word has length 86 [2024-11-07 00:34:52,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:52,973 INFO L225 Difference]: With dead ends: 294 [2024-11-07 00:34:52,974 INFO L226 Difference]: Without dead ends: 205 [2024-11-07 00:34:52,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:52,977 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 166 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:52,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 475 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-07 00:34:53,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2024-11-07 00:34:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.4455445544554455) internal successors, (292), 202 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 292 transitions. [2024-11-07 00:34:53,010 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 292 transitions. Word has length 86 [2024-11-07 00:34:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:53,011 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 292 transitions. [2024-11-07 00:34:53,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 292 transitions. [2024-11-07 00:34:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 00:34:53,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:53,012 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:53,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:34:53,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:53,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash 982762601, now seen corresponding path program 1 times [2024-11-07 00:34:53,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177468504] [2024-11-07 00:34:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:53,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:53,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177468504] [2024-11-07 00:34:53,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177468504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:53,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:53,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:53,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871988194] [2024-11-07 00:34:53,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:53,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:53,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:53,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:53,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,146 INFO L87 Difference]: Start difference. First operand 203 states and 292 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:53,186 INFO L93 Difference]: Finished difference Result 487 states and 744 transitions. [2024-11-07 00:34:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-07 00:34:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:53,191 INFO L225 Difference]: With dead ends: 487 [2024-11-07 00:34:53,192 INFO L226 Difference]: Without dead ends: 337 [2024-11-07 00:34:53,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,193 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 112 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:53,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 408 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:53,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-07 00:34:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2024-11-07 00:34:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.5029940119760479) internal successors, (502), 334 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 502 transitions. [2024-11-07 00:34:53,210 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 502 transitions. Word has length 87 [2024-11-07 00:34:53,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:53,211 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 502 transitions. [2024-11-07 00:34:53,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 502 transitions. [2024-11-07 00:34:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 00:34:53,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:53,216 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:53,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:34:53,216 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:53,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 914543768, now seen corresponding path program 1 times [2024-11-07 00:34:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:53,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134672786] [2024-11-07 00:34:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:53,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:53,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134672786] [2024-11-07 00:34:53,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134672786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:53,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:53,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:53,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919216723] [2024-11-07 00:34:53,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:53,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:53,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:53,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:53,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,389 INFO L87 Difference]: Start difference. First operand 335 states and 502 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:53,420 INFO L93 Difference]: Finished difference Result 867 states and 1348 transitions. [2024-11-07 00:34:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:53,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) Word has length 88 [2024-11-07 00:34:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:53,423 INFO L225 Difference]: With dead ends: 867 [2024-11-07 00:34:53,423 INFO L226 Difference]: Without dead ends: 585 [2024-11-07 00:34:53,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,426 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 107 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:53,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 404 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:53,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-07 00:34:53,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 583. [2024-11-07 00:34:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.5360824742268042) internal successors, (894), 582 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 894 transitions. [2024-11-07 00:34:53,455 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 894 transitions. Word has length 88 [2024-11-07 00:34:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:53,455 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 894 transitions. [2024-11-07 00:34:53,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 894 transitions. [2024-11-07 00:34:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 00:34:53,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:53,459 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:53,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:34:53,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:53,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:53,461 INFO L85 PathProgramCache]: Analyzing trace with hash 349801040, now seen corresponding path program 1 times [2024-11-07 00:34:53,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:53,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842210244] [2024-11-07 00:34:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:53,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:53,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842210244] [2024-11-07 00:34:53,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842210244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:53,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:53,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:53,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499025474] [2024-11-07 00:34:53,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:53,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:53,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:53,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:53,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,599 INFO L87 Difference]: Start difference. First operand 583 states and 894 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:53,627 INFO L93 Difference]: Finished difference Result 1579 states and 2472 transitions. [2024-11-07 00:34:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:53,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-07 00:34:53,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:53,633 INFO L225 Difference]: With dead ends: 1579 [2024-11-07 00:34:53,633 INFO L226 Difference]: Without dead ends: 1049 [2024-11-07 00:34:53,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,638 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 102 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:53,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 400 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-07 00:34:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1047. [2024-11-07 00:34:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1046 states have (on average 1.5506692160611855) internal successors, (1622), 1046 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1622 transitions. [2024-11-07 00:34:53,662 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1622 transitions. Word has length 89 [2024-11-07 00:34:53,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:53,664 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1622 transitions. [2024-11-07 00:34:53,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1622 transitions. [2024-11-07 00:34:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 00:34:53,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:53,666 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:53,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:34:53,667 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:53,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:53,668 INFO L85 PathProgramCache]: Analyzing trace with hash -248220501, now seen corresponding path program 1 times [2024-11-07 00:34:53,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:53,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286059593] [2024-11-07 00:34:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:53,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286059593] [2024-11-07 00:34:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286059593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:53,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:53,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:53,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414509650] [2024-11-07 00:34:53,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:53,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:53,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:53,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:53,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,806 INFO L87 Difference]: Start difference. First operand 1047 states and 1622 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:53,836 INFO L93 Difference]: Finished difference Result 2907 states and 4552 transitions. [2024-11-07 00:34:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:53,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) Word has length 90 [2024-11-07 00:34:53,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:53,843 INFO L225 Difference]: With dead ends: 2907 [2024-11-07 00:34:53,843 INFO L226 Difference]: Without dead ends: 1913 [2024-11-07 00:34:53,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,846 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 97 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:53,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 396 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2024-11-07 00:34:53,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1911. [2024-11-07 00:34:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1910 states have (on average 1.5528795811518326) internal successors, (2966), 1910 states have internal predecessors, (2966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2966 transitions. [2024-11-07 00:34:53,896 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2966 transitions. Word has length 90 [2024-11-07 00:34:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2966 transitions. [2024-11-07 00:34:53,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2966 transitions. [2024-11-07 00:34:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 00:34:53,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:53,898 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:53,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:34:53,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:53,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1910770737, now seen corresponding path program 1 times [2024-11-07 00:34:53,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:53,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880945776] [2024-11-07 00:34:53,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:53,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880945776] [2024-11-07 00:34:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880945776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:53,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:53,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:53,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004449499] [2024-11-07 00:34:53,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:53,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:53,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:53,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:53,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:53,993 INFO L87 Difference]: Start difference. First operand 1911 states and 2966 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:54,036 INFO L93 Difference]: Finished difference Result 5371 states and 8376 transitions. [2024-11-07 00:34:54,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:54,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-07 00:34:54,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:54,049 INFO L225 Difference]: With dead ends: 5371 [2024-11-07 00:34:54,050 INFO L226 Difference]: Without dead ends: 3513 [2024-11-07 00:34:54,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:54,054 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 92 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:54,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 392 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:54,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2024-11-07 00:34:54,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3511. [2024-11-07 00:34:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3510 states have (on average 1.547008547008547) internal successors, (5430), 3510 states have internal predecessors, (5430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5430 transitions. [2024-11-07 00:34:54,114 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5430 transitions. Word has length 91 [2024-11-07 00:34:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:54,114 INFO L471 AbstractCegarLoop]: Abstraction has 3511 states and 5430 transitions. [2024-11-07 00:34:54,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5430 transitions. [2024-11-07 00:34:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 00:34:54,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:54,115 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:54,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 00:34:54,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:54,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:54,116 INFO L85 PathProgramCache]: Analyzing trace with hash 307326139, now seen corresponding path program 1 times [2024-11-07 00:34:54,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:54,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479034693] [2024-11-07 00:34:54,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:54,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:54,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479034693] [2024-11-07 00:34:54,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479034693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:54,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:54,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:54,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874204250] [2024-11-07 00:34:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:54,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:54,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:54,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:54,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:54,195 INFO L87 Difference]: Start difference. First operand 3511 states and 5430 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:54,253 INFO L93 Difference]: Finished difference Result 9915 states and 15352 transitions. [2024-11-07 00:34:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:54,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) Word has length 92 [2024-11-07 00:34:54,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:54,273 INFO L225 Difference]: With dead ends: 9915 [2024-11-07 00:34:54,273 INFO L226 Difference]: Without dead ends: 6457 [2024-11-07 00:34:54,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:54,279 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 87 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:54,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 388 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6457 states. [2024-11-07 00:34:54,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6457 to 6455. [2024-11-07 00:34:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6455 states, 6454 states have (on average 1.5354818717074683) internal successors, (9910), 6454 states have internal predecessors, (9910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9910 transitions. [2024-11-07 00:34:54,426 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9910 transitions. Word has length 92 [2024-11-07 00:34:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:54,426 INFO L471 AbstractCegarLoop]: Abstraction has 6455 states and 9910 transitions. [2024-11-07 00:34:54,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9910 transitions. [2024-11-07 00:34:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 00:34:54,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:54,427 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:54,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:34:54,427 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:54,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:54,428 INFO L85 PathProgramCache]: Analyzing trace with hash -450885343, now seen corresponding path program 1 times [2024-11-07 00:34:54,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:54,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805113925] [2024-11-07 00:34:54,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:54,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:54,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:54,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805113925] [2024-11-07 00:34:54,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805113925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:54,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:54,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:34:54,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208723007] [2024-11-07 00:34:54,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:54,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:54,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:54,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:54,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:54,656 INFO L87 Difference]: Start difference. First operand 6455 states and 9910 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:55,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:55,200 INFO L93 Difference]: Finished difference Result 96083 states and 147908 transitions. [2024-11-07 00:34:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:34:55,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 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) Word has length 93 [2024-11-07 00:34:55,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:55,361 INFO L225 Difference]: With dead ends: 96083 [2024-11-07 00:34:55,361 INFO L226 Difference]: Without dead ends: 89681 [2024-11-07 00:34:55,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2024-11-07 00:34:55,390 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 2471 mSDsluCounter, 3751 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:55,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2471 Valid, 3927 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:34:55,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89681 states. [2024-11-07 00:34:56,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89681 to 12855. [2024-11-07 00:34:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 12854 states have (on average 1.5178154660028007) internal successors, (19510), 12854 states have internal predecessors, (19510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 19510 transitions. [2024-11-07 00:34:56,408 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 19510 transitions. Word has length 93 [2024-11-07 00:34:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:56,408 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 19510 transitions. [2024-11-07 00:34:56,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 19510 transitions. [2024-11-07 00:34:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 00:34:56,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:56,409 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:56,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:34:56,410 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:56,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash -430936003, now seen corresponding path program 1 times [2024-11-07 00:34:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:56,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997571069] [2024-11-07 00:34:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:56,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:56,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997571069] [2024-11-07 00:34:56,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997571069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:56,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:56,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:34:56,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930737709] [2024-11-07 00:34:56,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:56,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:34:56,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:56,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:34:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:56,548 INFO L87 Difference]: Start difference. First operand 12855 states and 19510 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:56,600 INFO L93 Difference]: Finished difference Result 31869 states and 48378 transitions. [2024-11-07 00:34:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:34:56,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) Word has length 95 [2024-11-07 00:34:56,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:56,626 INFO L225 Difference]: With dead ends: 31869 [2024-11-07 00:34:56,626 INFO L226 Difference]: Without dead ends: 19067 [2024-11-07 00:34:56,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:34:56,640 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 78 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:56,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 348 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:34:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19067 states. [2024-11-07 00:34:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19067 to 19065. [2024-11-07 00:34:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.506924045321024) internal successors, (28728), 19064 states have internal predecessors, (28728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 28728 transitions. [2024-11-07 00:34:56,814 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 28728 transitions. Word has length 95 [2024-11-07 00:34:56,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:56,815 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 28728 transitions. [2024-11-07 00:34:56,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 28728 transitions. [2024-11-07 00:34:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 00:34:56,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:56,815 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:56,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:34:56,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:56,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash -409933348, now seen corresponding path program 1 times [2024-11-07 00:34:56,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:56,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090986983] [2024-11-07 00:34:56,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:57,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:57,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090986983] [2024-11-07 00:34:57,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090986983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:57,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:57,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:34:57,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364675427] [2024-11-07 00:34:57,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:57,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:57,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:57,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:57,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:57,253 INFO L87 Difference]: Start difference. First operand 19065 states and 28728 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:57,625 INFO L93 Difference]: Finished difference Result 38077 states and 57402 transitions. [2024-11-07 00:34:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:34:57,626 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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) Word has length 95 [2024-11-07 00:34:57,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:57,643 INFO L225 Difference]: With dead ends: 38077 [2024-11-07 00:34:57,643 INFO L226 Difference]: Without dead ends: 19067 [2024-11-07 00:34:57,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:34:57,662 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 376 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:57,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 915 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:34:57,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19067 states. [2024-11-07 00:34:57,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19067 to 19065. [2024-11-07 00:34:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.496852706672262) internal successors, (28536), 19064 states have internal predecessors, (28536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 28536 transitions. [2024-11-07 00:34:57,941 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 28536 transitions. Word has length 95 [2024-11-07 00:34:57,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:57,942 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 28536 transitions. [2024-11-07 00:34:57,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 28536 transitions. [2024-11-07 00:34:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:57,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:57,943 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:57,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:34:57,943 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:57,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:57,944 INFO L85 PathProgramCache]: Analyzing trace with hash 175058828, now seen corresponding path program 1 times [2024-11-07 00:34:57,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:57,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292443026] [2024-11-07 00:34:57,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:57,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:58,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:58,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292443026] [2024-11-07 00:34:58,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292443026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:58,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:58,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:58,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510668900] [2024-11-07 00:34:58,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:58,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:58,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:58,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:58,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:58,111 INFO L87 Difference]: Start difference. First operand 19065 states and 28536 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:58,331 INFO L93 Difference]: Finished difference Result 38075 states and 57017 transitions. [2024-11-07 00:34:58,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:58,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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) Word has length 96 [2024-11-07 00:34:58,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:58,345 INFO L225 Difference]: With dead ends: 38075 [2024-11-07 00:34:58,346 INFO L226 Difference]: Without dead ends: 19065 [2024-11-07 00:34:58,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:58,355 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 421 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:58,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 147 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:34:58,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19065 states. [2024-11-07 00:34:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19065 to 19065. [2024-11-07 00:34:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.4867813680234998) internal successors, (28344), 19064 states have internal predecessors, (28344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 28344 transitions. [2024-11-07 00:34:58,581 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 28344 transitions. Word has length 96 [2024-11-07 00:34:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:58,581 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 28344 transitions. [2024-11-07 00:34:58,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 28344 transitions. [2024-11-07 00:34:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:58,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:58,582 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:58,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 00:34:58,583 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:58,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash 303144135, now seen corresponding path program 1 times [2024-11-07 00:34:58,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:58,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092249194] [2024-11-07 00:34:58,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:58,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:58,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:58,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092249194] [2024-11-07 00:34:58,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092249194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:58,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:58,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:58,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533215743] [2024-11-07 00:34:58,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:58,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:58,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:58,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:58,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:58,704 INFO L87 Difference]: Start difference. First operand 19065 states and 28344 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:58,846 INFO L93 Difference]: Finished difference Result 38075 states and 56633 transitions. [2024-11-07 00:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:58,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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) Word has length 96 [2024-11-07 00:34:58,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:58,865 INFO L225 Difference]: With dead ends: 38075 [2024-11-07 00:34:58,865 INFO L226 Difference]: Without dead ends: 19065 [2024-11-07 00:34:58,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:58,880 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 392 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:58,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 163 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:34:58,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19065 states. [2024-11-07 00:34:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19065 to 19065. [2024-11-07 00:34:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.4767100293747377) internal successors, (28152), 19064 states have internal predecessors, (28152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 28152 transitions. [2024-11-07 00:34:59,147 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 28152 transitions. Word has length 96 [2024-11-07 00:34:59,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:59,147 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 28152 transitions. [2024-11-07 00:34:59,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 28152 transitions. [2024-11-07 00:34:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:59,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:59,148 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:59,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 00:34:59,148 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:59,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:59,148 INFO L85 PathProgramCache]: Analyzing trace with hash -226146366, now seen corresponding path program 1 times [2024-11-07 00:34:59,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:59,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195582273] [2024-11-07 00:34:59,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:59,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:59,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:59,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195582273] [2024-11-07 00:34:59,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195582273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:59,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:59,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:59,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431295174] [2024-11-07 00:34:59,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:59,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:59,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:59,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:59,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:59,299 INFO L87 Difference]: Start difference. First operand 19065 states and 28152 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:59,420 INFO L93 Difference]: Finished difference Result 38075 states and 56249 transitions. [2024-11-07 00:34:59,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:59,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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) Word has length 96 [2024-11-07 00:34:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:59,439 INFO L225 Difference]: With dead ends: 38075 [2024-11-07 00:34:59,439 INFO L226 Difference]: Without dead ends: 19065 [2024-11-07 00:34:59,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:59,452 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 428 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:59,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 139 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:34:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19065 states. [2024-11-07 00:34:59,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19065 to 19065. [2024-11-07 00:34:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.4666386907259756) internal successors, (27960), 19064 states have internal predecessors, (27960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 27960 transitions. [2024-11-07 00:34:59,761 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 27960 transitions. Word has length 96 [2024-11-07 00:34:59,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:59,761 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 27960 transitions. [2024-11-07 00:34:59,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 27960 transitions. [2024-11-07 00:34:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:59,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:59,762 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:59,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 00:34:59,762 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:34:59,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:59,762 INFO L85 PathProgramCache]: Analyzing trace with hash -989010073, now seen corresponding path program 1 times [2024-11-07 00:34:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:59,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208118232] [2024-11-07 00:34:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:59,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:59,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208118232] [2024-11-07 00:34:59,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208118232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:59,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:59,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:59,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636418296] [2024-11-07 00:34:59,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:59,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:59,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:59,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:59,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:59,848 INFO L87 Difference]: Start difference. First operand 19065 states and 27960 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:59,965 INFO L93 Difference]: Finished difference Result 38075 states and 55865 transitions. [2024-11-07 00:34:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:59,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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) Word has length 96 [2024-11-07 00:34:59,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:59,981 INFO L225 Difference]: With dead ends: 38075 [2024-11-07 00:34:59,981 INFO L226 Difference]: Without dead ends: 19065 [2024-11-07 00:34:59,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:59,994 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 451 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:59,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 123 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:00,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19065 states. [2024-11-07 00:35:00,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19065 to 19065. [2024-11-07 00:35:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.4565673520772136) internal successors, (27768), 19064 states have internal predecessors, (27768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 27768 transitions. [2024-11-07 00:35:00,206 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 27768 transitions. Word has length 96 [2024-11-07 00:35:00,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:00,206 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 27768 transitions. [2024-11-07 00:35:00,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 27768 transitions. [2024-11-07 00:35:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:00,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:00,207 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:00,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 00:35:00,207 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:00,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1564540108, now seen corresponding path program 1 times [2024-11-07 00:35:00,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:00,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883464296] [2024-11-07 00:35:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:00,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:00,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:00,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883464296] [2024-11-07 00:35:00,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883464296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:00,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:00,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:35:00,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562038351] [2024-11-07 00:35:00,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:00,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:00,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:00,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:00,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:00,288 INFO L87 Difference]: Start difference. First operand 19065 states and 27768 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:00,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:00,406 INFO L93 Difference]: Finished difference Result 38075 states and 55481 transitions. [2024-11-07 00:35:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:00,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 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) Word has length 96 [2024-11-07 00:35:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:00,420 INFO L225 Difference]: With dead ends: 38075 [2024-11-07 00:35:00,421 INFO L226 Difference]: Without dead ends: 19065 [2024-11-07 00:35:00,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:35:00,433 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 435 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:00,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 131 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:00,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19065 states. [2024-11-07 00:35:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19065 to 19065. [2024-11-07 00:35:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19065 states, 19064 states have (on average 1.4464960134284515) internal successors, (27576), 19064 states have internal predecessors, (27576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19065 states to 19065 states and 27576 transitions. [2024-11-07 00:35:00,596 INFO L78 Accepts]: Start accepts. Automaton has 19065 states and 27576 transitions. Word has length 96 [2024-11-07 00:35:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:00,597 INFO L471 AbstractCegarLoop]: Abstraction has 19065 states and 27576 transitions. [2024-11-07 00:35:00,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 19065 states and 27576 transitions. [2024-11-07 00:35:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:00,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:00,598 INFO L215 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:00,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 00:35:00,598 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:00,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:00,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1932811335, now seen corresponding path program 1 times [2024-11-07 00:35:00,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:00,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715110400] [2024-11-07 00:35:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:00,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:00,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:00,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715110400] [2024-11-07 00:35:00,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715110400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:00,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:00,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:35:00,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648307263] [2024-11-07 00:35:00,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:00,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:00,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:00,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:00,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:00,910 INFO L87 Difference]: Start difference. First operand 19065 states and 27576 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:00,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:00,965 INFO L93 Difference]: Finished difference Result 19579 states and 28345 transitions. [2024-11-07 00:35:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:00,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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) Word has length 96 [2024-11-07 00:35:00,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:00,981 INFO L225 Difference]: With dead ends: 19579 [2024-11-07 00:35:00,981 INFO L226 Difference]: Without dead ends: 19577 [2024-11-07 00:35:00,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:00,986 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:00,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 676 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:00,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19577 states. [2024-11-07 00:35:01,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19577 to 19577. [2024-11-07 00:35:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19577 states, 19576 states have (on average 1.431548835308541) internal successors, (28024), 19576 states have internal predecessors, (28024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19577 states to 19577 states and 28024 transitions. [2024-11-07 00:35:01,228 INFO L78 Accepts]: Start accepts. Automaton has 19577 states and 28024 transitions. Word has length 96 [2024-11-07 00:35:01,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:01,228 INFO L471 AbstractCegarLoop]: Abstraction has 19577 states and 28024 transitions. [2024-11-07 00:35:01,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 19577 states and 28024 transitions. [2024-11-07 00:35:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:01,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:01,238 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:01,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 00:35:01,238 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:01,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1935236596, now seen corresponding path program 1 times [2024-11-07 00:35:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:01,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907477005] [2024-11-07 00:35:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 00:35:01,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:01,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907477005] [2024-11-07 00:35:01,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907477005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:01,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:01,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:01,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63967139] [2024-11-07 00:35:01,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:01,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:01,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:01,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:01,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:01,464 INFO L87 Difference]: Start difference. First operand 19577 states and 28024 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:01,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:01,889 INFO L93 Difference]: Finished difference Result 153609 states and 220000 transitions. [2024-11-07 00:35:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:01,890 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 9 states have internal predecessors, (129), 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) Word has length 130 [2024-11-07 00:35:01,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:02,039 INFO L225 Difference]: With dead ends: 153609 [2024-11-07 00:35:02,039 INFO L226 Difference]: Without dead ends: 140295 [2024-11-07 00:35:02,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:02,091 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 2073 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:02,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 1943 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140295 states. [2024-11-07 00:35:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140295 to 36025. [2024-11-07 00:35:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36025 states, 36024 states have (on average 1.4272707084166112) internal successors, (51416), 36024 states have internal predecessors, (51416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36025 states to 36025 states and 51416 transitions. [2024-11-07 00:35:03,247 INFO L78 Accepts]: Start accepts. Automaton has 36025 states and 51416 transitions. Word has length 130 [2024-11-07 00:35:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:03,247 INFO L471 AbstractCegarLoop]: Abstraction has 36025 states and 51416 transitions. [2024-11-07 00:35:03,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 9 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 36025 states and 51416 transitions. [2024-11-07 00:35:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:03,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:03,255 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:03,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 00:35:03,256 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:03,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1292810630, now seen corresponding path program 1 times [2024-11-07 00:35:03,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:03,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497367941] [2024-11-07 00:35:03,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:03,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 00:35:03,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:03,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497367941] [2024-11-07 00:35:03,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497367941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:03,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:03,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:03,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383239525] [2024-11-07 00:35:03,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:03,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:03,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:03,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:03,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:03,479 INFO L87 Difference]: Start difference. First operand 36025 states and 51416 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:03,984 INFO L93 Difference]: Finished difference Result 173129 states and 247840 transitions. [2024-11-07 00:35:03,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:03,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 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) Word has length 130 [2024-11-07 00:35:03,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:04,144 INFO L225 Difference]: With dead ends: 173129 [2024-11-07 00:35:04,145 INFO L226 Difference]: Without dead ends: 153607 [2024-11-07 00:35:04,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:04,199 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 2074 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:04,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 1878 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153607 states. [2024-11-07 00:35:05,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153607 to 62201. [2024-11-07 00:35:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62201 states, 62200 states have (on average 1.4244372990353698) internal successors, (88600), 62200 states have internal predecessors, (88600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62201 states to 62201 states and 88600 transitions. [2024-11-07 00:35:05,604 INFO L78 Accepts]: Start accepts. Automaton has 62201 states and 88600 transitions. Word has length 130 [2024-11-07 00:35:05,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:05,604 INFO L471 AbstractCegarLoop]: Abstraction has 62201 states and 88600 transitions. [2024-11-07 00:35:05,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 62201 states and 88600 transitions. [2024-11-07 00:35:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:05,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:05,613 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:05,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 00:35:05,613 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:05,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash -194677870, now seen corresponding path program 1 times [2024-11-07 00:35:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:05,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274519140] [2024-11-07 00:35:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 00:35:05,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:05,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274519140] [2024-11-07 00:35:05,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274519140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:05,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:05,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:05,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569269539] [2024-11-07 00:35:05,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:05,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:05,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:05,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:05,780 INFO L87 Difference]: Start difference. First operand 62201 states and 88600 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:06,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:06,544 INFO L93 Difference]: Finished difference Result 192649 states and 275616 transitions. [2024-11-07 00:35:06,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:06,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 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) Word has length 130 [2024-11-07 00:35:06,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:06,697 INFO L225 Difference]: With dead ends: 192649 [2024-11-07 00:35:06,698 INFO L226 Difference]: Without dead ends: 173127 [2024-11-07 00:35:06,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:06,724 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 2168 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:06,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 2080 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173127 states. [2024-11-07 00:35:07,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173127 to 81721. [2024-11-07 00:35:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81721 states, 81720 states have (on average 1.4240822320117474) internal successors, (116376), 81720 states have internal predecessors, (116376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81721 states to 81721 states and 116376 transitions. [2024-11-07 00:35:07,991 INFO L78 Accepts]: Start accepts. Automaton has 81721 states and 116376 transitions. Word has length 130 [2024-11-07 00:35:07,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:07,992 INFO L471 AbstractCegarLoop]: Abstraction has 81721 states and 116376 transitions. [2024-11-07 00:35:07,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 81721 states and 116376 transitions. [2024-11-07 00:35:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:08,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:08,000 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:08,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 00:35:08,001 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:08,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1348623976, now seen corresponding path program 1 times [2024-11-07 00:35:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:08,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75324747] [2024-11-07 00:35:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 00:35:08,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:08,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75324747] [2024-11-07 00:35:08,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75324747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:08,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:08,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:08,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945491962] [2024-11-07 00:35:08,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:08,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:08,375 INFO L87 Difference]: Start difference. First operand 81721 states and 116376 transitions. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:09,387 INFO L93 Difference]: Finished difference Result 212169 states and 303392 transitions. [2024-11-07 00:35:09,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:09,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 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) Word has length 130 [2024-11-07 00:35:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:09,566 INFO L225 Difference]: With dead ends: 212169 [2024-11-07 00:35:09,567 INFO L226 Difference]: Without dead ends: 192647 [2024-11-07 00:35:09,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:09,619 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 2001 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 2110 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:09,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 2110 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:35:09,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192647 states. [2024-11-07 00:35:11,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192647 to 101241. [2024-11-07 00:35:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101241 states, 101240 states have (on average 1.4238640853417621) internal successors, (144152), 101240 states have internal predecessors, (144152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:11,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101241 states to 101241 states and 144152 transitions. [2024-11-07 00:35:11,213 INFO L78 Accepts]: Start accepts. Automaton has 101241 states and 144152 transitions. Word has length 130 [2024-11-07 00:35:11,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:11,213 INFO L471 AbstractCegarLoop]: Abstraction has 101241 states and 144152 transitions. [2024-11-07 00:35:11,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 101241 states and 144152 transitions. [2024-11-07 00:35:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:11,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:11,220 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:11,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 00:35:11,221 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:11,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:11,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1052578548, now seen corresponding path program 1 times [2024-11-07 00:35:11,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:11,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271392552] [2024-11-07 00:35:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:11,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 00:35:11,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:11,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271392552] [2024-11-07 00:35:11,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271392552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:11,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:11,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:11,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401213320] [2024-11-07 00:35:11,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:11,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:11,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:11,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:11,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:11,548 INFO L87 Difference]: Start difference. First operand 101241 states and 144152 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:12,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:12,582 INFO L93 Difference]: Finished difference Result 231689 states and 331168 transitions. [2024-11-07 00:35:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:12,582 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 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) Word has length 130 [2024-11-07 00:35:12,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:12,874 INFO L225 Difference]: With dead ends: 231689 [2024-11-07 00:35:12,874 INFO L226 Difference]: Without dead ends: 212167 [2024-11-07 00:35:12,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:12,938 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 1746 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:12,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 2276 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:35:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212167 states. [2024-11-07 00:35:15,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212167 to 120761. [2024-11-07 00:35:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120761 states, 120760 states have (on average 1.4237164624047698) internal successors, (171928), 120760 states have internal predecessors, (171928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120761 states to 120761 states and 171928 transitions. [2024-11-07 00:35:15,299 INFO L78 Accepts]: Start accepts. Automaton has 120761 states and 171928 transitions. Word has length 130 [2024-11-07 00:35:15,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:15,300 INFO L471 AbstractCegarLoop]: Abstraction has 120761 states and 171928 transitions. [2024-11-07 00:35:15,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 120761 states and 171928 transitions. [2024-11-07 00:35:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:15,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:15,308 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:15,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 00:35:15,308 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:15,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:15,309 INFO L85 PathProgramCache]: Analyzing trace with hash 375918086, now seen corresponding path program 1 times [2024-11-07 00:35:15,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:15,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800776432] [2024-11-07 00:35:15,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:15,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 00:35:15,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:15,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800776432] [2024-11-07 00:35:15,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800776432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:15,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:15,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:15,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901028809] [2024-11-07 00:35:15,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:15,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:15,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:15,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:15,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:15,495 INFO L87 Difference]: Start difference. First operand 120761 states and 171928 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:16,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:16,502 INFO L93 Difference]: Finished difference Result 251209 states and 358944 transitions. [2024-11-07 00:35:16,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:16,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 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) Word has length 130 [2024-11-07 00:35:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:16,723 INFO L225 Difference]: With dead ends: 251209 [2024-11-07 00:35:16,723 INFO L226 Difference]: Without dead ends: 231687 [2024-11-07 00:35:16,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:16,769 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 1728 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:16,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1728 Valid, 2329 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:16,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231687 states. [2024-11-07 00:35:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231687 to 140281. [2024-11-07 00:35:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140281 states, 140280 states have (on average 1.4236099230111205) internal successors, (199704), 140280 states have internal predecessors, (199704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140281 states to 140281 states and 199704 transitions. [2024-11-07 00:35:19,180 INFO L78 Accepts]: Start accepts. Automaton has 140281 states and 199704 transitions. Word has length 130 [2024-11-07 00:35:19,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:19,180 INFO L471 AbstractCegarLoop]: Abstraction has 140281 states and 199704 transitions. [2024-11-07 00:35:19,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 140281 states and 199704 transitions. [2024-11-07 00:35:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-07 00:35:19,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:19,190 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2024-11-07 00:35:19,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 00:35:19,190 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:19,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:19,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1943611776, now seen corresponding path program 1 times [2024-11-07 00:35:19,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:19,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889115787] [2024-11-07 00:35:19,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 00:35:19,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:19,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889115787] [2024-11-07 00:35:19,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889115787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:19,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:19,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:19,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610378547] [2024-11-07 00:35:19,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:19,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:19,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:19,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:19,411 INFO L87 Difference]: Start difference. First operand 140281 states and 199704 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:20,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:20,451 INFO L93 Difference]: Finished difference Result 270729 states and 386720 transitions. [2024-11-07 00:35:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:20,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 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) Word has length 130 [2024-11-07 00:35:20,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:20,771 INFO L225 Difference]: With dead ends: 270729 [2024-11-07 00:35:20,771 INFO L226 Difference]: Without dead ends: 251207 [2024-11-07 00:35:20,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:20,853 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 1828 mSDsluCounter, 2009 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:20,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 2297 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:35:21,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251207 states. [2024-11-07 00:35:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251207 to 159801. [2024-11-07 00:35:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159801 states, 159800 states have (on average 1.423529411764706) internal successors, (227480), 159800 states have internal predecessors, (227480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159801 states to 159801 states and 227480 transitions. [2024-11-07 00:35:23,860 INFO L78 Accepts]: Start accepts. Automaton has 159801 states and 227480 transitions. Word has length 130 [2024-11-07 00:35:23,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:23,861 INFO L471 AbstractCegarLoop]: Abstraction has 159801 states and 227480 transitions. [2024-11-07 00:35:23,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 159801 states and 227480 transitions. [2024-11-07 00:35:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:35:23,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:23,873 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1] [2024-11-07 00:35:23,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 00:35:23,873 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:23,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:23,874 INFO L85 PathProgramCache]: Analyzing trace with hash 790197345, now seen corresponding path program 1 times [2024-11-07 00:35:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:23,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733065728] [2024-11-07 00:35:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:24,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:24,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733065728] [2024-11-07 00:35:24,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733065728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:35:24,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133706208] [2024-11-07 00:35:24,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:24,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:35:24,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:35:24,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:35:24,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 00:35:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:24,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 00:35:24,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:35:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 00:35:24,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:35:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 00:35:24,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133706208] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:35:24,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:35:24,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 4] total 15 [2024-11-07 00:35:24,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240816637] [2024-11-07 00:35:24,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:35:24,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 00:35:24,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:24,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 00:35:24,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-07 00:35:24,937 INFO L87 Difference]: Start difference. First operand 159801 states and 227480 transitions. Second operand has 15 states, 15 states have (on average 25.266666666666666) internal successors, (379), 15 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:30,011 INFO L93 Difference]: Finished difference Result 1243607 states and 1767975 transitions. [2024-11-07 00:35:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-07 00:35:30,012 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 25.266666666666666) internal successors, (379), 15 states have internal predecessors, (379), 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) Word has length 131 [2024-11-07 00:35:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:31,602 INFO L225 Difference]: With dead ends: 1243607 [2024-11-07 00:35:31,603 INFO L226 Difference]: Without dead ends: 1130453 [2024-11-07 00:35:31,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=971, Invalid=4285, Unknown=0, NotChecked=0, Total=5256 [2024-11-07 00:35:31,805 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 4528 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4528 SdHoareTripleChecker+Valid, 1843 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:31,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4528 Valid, 1843 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 00:35:32,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130453 states.