./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.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.ufo.UNBOUNDED.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', '50e151318da71693ecfd101451d51852511de48fd25109c1f84fed946653f0cd'] 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.ufo.UNBOUNDED.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 50e151318da71693ecfd101451d51852511de48fd25109c1f84fed946653f0cd --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:35:40,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:35:40,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:35:40,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:35:40,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:35:40,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:35:40,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:35:40,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:35:40,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:35:40,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:35:40,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:35:40,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:35:40,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:35:40,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:35:40,339 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:35:40,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:35:40,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:35:40,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:35:40,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:35:40,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:35:40,341 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:35:40,341 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:35:40,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:35:40,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:35:40,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:35:40,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:35:40,342 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 -> 50e151318da71693ecfd101451d51852511de48fd25109c1f84fed946653f0cd [2024-11-07 00:35:40,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:35:40,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:35:40,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:35:40,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:35:40,559 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:35:40,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-07 00:35:41,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:35:41,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:35:41,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-07 00:35:41,970 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f92bb7c68/c4095f7fb56948158a2b69ed601bb192/FLAGad992dc18 [2024-11-07 00:35:42,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f92bb7c68/c4095f7fb56948158a2b69ed601bb192 [2024-11-07 00:35:42,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:35:42,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:35:42,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:35:42,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:35:42,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:35:42,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5d5110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42, skipping insertion in model container [2024-11-07 00:35:42,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:35:42,496 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.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7667,7680] [2024-11-07 00:35:42,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:35:42,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:35:42,573 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.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7667,7680] [2024-11-07 00:35:42,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:35:42,607 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:35:42,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42 WrapperNode [2024-11-07 00:35:42,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:35:42,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:35:42,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:35:42,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:35:42,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,646 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 624 [2024-11-07 00:35:42,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:35:42,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:35:42,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:35:42,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:35:42,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,674 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 00:35:42,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:35:42,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:35:42,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:35:42,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:35:42,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (1/1) ... [2024-11-07 00:35:42,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:35:42,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:35:42,723 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 00:35:42,730 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 00:35:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:35:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:35:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:35:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:35:42,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:35:42,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:35:43,222 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-07 00:35:43,222 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:35:43,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:35:43,230 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 00:35:43,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:35:43 BoogieIcfgContainer [2024-11-07 00:35:43,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:35:43,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:35:43,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:35:43,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:35:43,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:35:42" (1/3) ... [2024-11-07 00:35:43,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37595547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:35:43, skipping insertion in model container [2024-11-07 00:35:43,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:35:42" (2/3) ... [2024-11-07 00:35:43,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37595547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:35:43, skipping insertion in model container [2024-11-07 00:35:43,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:35:43" (3/3) ... [2024-11-07 00:35:43,237 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2024-11-07 00:35:43,246 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:35:43,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:35:43,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:35:43,287 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;@42860704, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:35:43,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:35:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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 00:35:43,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 00:35:43,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:43,299 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 00:35:43,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:43,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:43,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2006546999, now seen corresponding path program 1 times [2024-11-07 00:35:43,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:43,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742208615] [2024-11-07 00:35:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:43,688 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 00:35:43,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:43,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742208615] [2024-11-07 00:35:43,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742208615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:43,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:43,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:43,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461512681] [2024-11-07 00:35:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:43,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:43,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:43,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:43,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:43,716 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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 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 00:35:43,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:43,777 INFO L93 Difference]: Finished difference Result 300 states and 490 transitions. [2024-11-07 00:35:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:43,779 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 00:35:43,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:43,786 INFO L225 Difference]: With dead ends: 300 [2024-11-07 00:35:43,786 INFO L226 Difference]: Without dead ends: 209 [2024-11-07 00:35:43,788 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 00:35:43,790 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 159 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 471 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 00:35:43,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 471 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-07 00:35:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2024-11-07 00:35:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 206 states have internal predecessors, (298), 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 00:35:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 298 transitions. [2024-11-07 00:35:43,822 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 298 transitions. Word has length 87 [2024-11-07 00:35:43,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:43,822 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 298 transitions. [2024-11-07 00:35:43,823 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 00:35:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 298 transitions. [2024-11-07 00:35:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 00:35:43,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:43,824 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 00:35:43,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:35:43,825 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:43,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:43,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1559740613, now seen corresponding path program 1 times [2024-11-07 00:35:43,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:43,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401375077] [2024-11-07 00:35:43,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:43,944 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 00:35:43,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:43,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401375077] [2024-11-07 00:35:43,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401375077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:43,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:43,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:43,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449227745] [2024-11-07 00:35:43,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:43,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:43,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:43,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:43,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:43,947 INFO L87 Difference]: Start difference. First operand 207 states and 298 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 00:35:43,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:43,981 INFO L93 Difference]: Finished difference Result 499 states and 762 transitions. [2024-11-07 00:35:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:43,981 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 00:35:43,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:43,983 INFO L225 Difference]: With dead ends: 499 [2024-11-07 00:35:43,983 INFO L226 Difference]: Without dead ends: 345 [2024-11-07 00:35:43,983 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 00:35:43,984 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 110 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 402 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 00:35:43,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 402 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:43,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-07 00:35:43,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2024-11-07 00:35:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 342 states have (on average 1.5029239766081872) internal successors, (514), 342 states have internal predecessors, (514), 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 00:35:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 514 transitions. [2024-11-07 00:35:43,996 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 514 transitions. Word has length 88 [2024-11-07 00:35:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:43,996 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 514 transitions. [2024-11-07 00:35:43,996 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 00:35:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 514 transitions. [2024-11-07 00:35:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 00:35:43,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:43,998 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 00:35:43,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:35:43,998 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:43,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:43,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1480148747, now seen corresponding path program 1 times [2024-11-07 00:35:43,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:43,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118231854] [2024-11-07 00:35:43,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:43,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:44,168 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 00:35:44,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:44,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118231854] [2024-11-07 00:35:44,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118231854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:44,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:44,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:44,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952755398] [2024-11-07 00:35:44,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:44,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:44,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:44,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:44,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:44,171 INFO L87 Difference]: Start difference. First operand 343 states and 514 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 00:35:44,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:44,197 INFO L93 Difference]: Finished difference Result 891 states and 1384 transitions. [2024-11-07 00:35:44,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:44,197 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 00:35:44,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:44,199 INFO L225 Difference]: With dead ends: 891 [2024-11-07 00:35:44,199 INFO L226 Difference]: Without dead ends: 601 [2024-11-07 00:35:44,200 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 00:35:44,201 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 105 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 398 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 00:35:44,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 398 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-07 00:35:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 599. [2024-11-07 00:35:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.5351170568561874) internal successors, (918), 598 states have internal predecessors, (918), 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 00:35:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 918 transitions. [2024-11-07 00:35:44,218 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 918 transitions. Word has length 89 [2024-11-07 00:35:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:44,218 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 918 transitions. [2024-11-07 00:35:44,218 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 00:35:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 918 transitions. [2024-11-07 00:35:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 00:35:44,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:44,219 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 00:35:44,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:35:44,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:44,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1142089047, now seen corresponding path program 1 times [2024-11-07 00:35:44,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:44,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120372121] [2024-11-07 00:35:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:44,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:44,304 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 00:35:44,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120372121] [2024-11-07 00:35:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120372121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:44,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:44,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:44,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783964490] [2024-11-07 00:35:44,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:44,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:44,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:44,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:44,306 INFO L87 Difference]: Start difference. First operand 599 states and 918 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 00:35:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:44,324 INFO L93 Difference]: Finished difference Result 1627 states and 2544 transitions. [2024-11-07 00:35:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:44,324 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 00:35:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:44,328 INFO L225 Difference]: With dead ends: 1627 [2024-11-07 00:35:44,328 INFO L226 Difference]: Without dead ends: 1081 [2024-11-07 00:35:44,329 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 00:35:44,329 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 100 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 394 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 00:35:44,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 394 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:44,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2024-11-07 00:35:44,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1079. [2024-11-07 00:35:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.549165120593692) internal successors, (1670), 1078 states have internal predecessors, (1670), 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 00:35:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1670 transitions. [2024-11-07 00:35:44,355 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1670 transitions. Word has length 90 [2024-11-07 00:35:44,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:44,356 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1670 transitions. [2024-11-07 00:35:44,356 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 00:35:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1670 transitions. [2024-11-07 00:35:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 00:35:44,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:44,358 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 00:35:44,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:35:44,358 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:44,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1309607801, now seen corresponding path program 1 times [2024-11-07 00:35:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:44,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063450935] [2024-11-07 00:35:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:44,474 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 00:35:44,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:44,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063450935] [2024-11-07 00:35:44,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063450935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:44,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:44,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:44,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052929785] [2024-11-07 00:35:44,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:44,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:44,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:44,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:44,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:44,478 INFO L87 Difference]: Start difference. First operand 1079 states and 1670 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 00:35:44,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:44,506 INFO L93 Difference]: Finished difference Result 3003 states and 4696 transitions. [2024-11-07 00:35:44,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:44,506 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 00:35:44,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:44,514 INFO L225 Difference]: With dead ends: 3003 [2024-11-07 00:35:44,514 INFO L226 Difference]: Without dead ends: 1977 [2024-11-07 00:35:44,515 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 00:35:44,515 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 95 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 390 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 00:35:44,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 390 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2024-11-07 00:35:44,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1975. [2024-11-07 00:35:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1974 states have (on average 1.5511651469098278) internal successors, (3062), 1974 states have internal predecessors, (3062), 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 00:35:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 3062 transitions. [2024-11-07 00:35:44,562 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 3062 transitions. Word has length 91 [2024-11-07 00:35:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:44,562 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 3062 transitions. [2024-11-07 00:35:44,562 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 00:35:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3062 transitions. [2024-11-07 00:35:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 00:35:44,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:44,563 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 00:35:44,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:35:44,563 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:44,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:44,563 INFO L85 PathProgramCache]: Analyzing trace with hash 582949359, now seen corresponding path program 1 times [2024-11-07 00:35:44,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:44,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850416746] [2024-11-07 00:35:44,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:44,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:44,645 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 00:35:44,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:44,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850416746] [2024-11-07 00:35:44,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850416746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:44,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:44,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:44,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868883836] [2024-11-07 00:35:44,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:44,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:44,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:44,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:44,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:44,647 INFO L87 Difference]: Start difference. First operand 1975 states and 3062 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 00:35:44,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:44,682 INFO L93 Difference]: Finished difference Result 5563 states and 8664 transitions. [2024-11-07 00:35:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:44,683 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 00:35:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:44,697 INFO L225 Difference]: With dead ends: 5563 [2024-11-07 00:35:44,697 INFO L226 Difference]: Without dead ends: 3641 [2024-11-07 00:35:44,700 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 00:35:44,701 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 90 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 386 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 00:35:44,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 386 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:44,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3641 states. [2024-11-07 00:35:44,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3641 to 3639. [2024-11-07 00:35:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3639 states, 3638 states have (on average 1.5453545904343045) internal successors, (5622), 3638 states have internal predecessors, (5622), 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 00:35:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3639 states and 5622 transitions. [2024-11-07 00:35:44,781 INFO L78 Accepts]: Start accepts. Automaton has 3639 states and 5622 transitions. Word has length 92 [2024-11-07 00:35:44,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:44,782 INFO L471 AbstractCegarLoop]: Abstraction has 3639 states and 5622 transitions. [2024-11-07 00:35:44,782 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 00:35:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 5622 transitions. [2024-11-07 00:35:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 00:35:44,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:44,782 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 00:35:44,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 00:35:44,783 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:44,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:44,783 INFO L85 PathProgramCache]: Analyzing trace with hash -496500112, now seen corresponding path program 1 times [2024-11-07 00:35:44,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:44,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322840835] [2024-11-07 00:35:44,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:44,999 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 00:35:45,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322840835] [2024-11-07 00:35:45,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322840835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:45,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:45,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:45,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145884213] [2024-11-07 00:35:45,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:45,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:45,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:45,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:45,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:45,003 INFO L87 Difference]: Start difference. First operand 3639 states and 5622 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 00:35:45,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:45,551 INFO L93 Difference]: Finished difference Result 53843 states and 83588 transitions. [2024-11-07 00:35:45,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:35:45,551 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 00:35:45,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:45,664 INFO L225 Difference]: With dead ends: 53843 [2024-11-07 00:35:45,664 INFO L226 Difference]: Without dead ends: 50257 [2024-11-07 00:35:45,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2024-11-07 00:35:45,679 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 2518 mSDsluCounter, 4862 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 5041 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:45,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 5041 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:35:45,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50257 states. [2024-11-07 00:35:46,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50257 to 7223. [2024-11-07 00:35:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 7222 states have (on average 1.5317086679590142) internal successors, (11062), 7222 states have internal predecessors, (11062), 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 00:35:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 11062 transitions. [2024-11-07 00:35:46,131 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 11062 transitions. Word has length 93 [2024-11-07 00:35:46,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:46,132 INFO L471 AbstractCegarLoop]: Abstraction has 7223 states and 11062 transitions. [2024-11-07 00:35:46,132 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 00:35:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 11062 transitions. [2024-11-07 00:35:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 00:35:46,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:46,133 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 00:35:46,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:35:46,133 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:46,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:46,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1317055956, now seen corresponding path program 1 times [2024-11-07 00:35:46,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:46,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198944503] [2024-11-07 00:35:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:46,270 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 00:35:46,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:46,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198944503] [2024-11-07 00:35:46,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198944503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:46,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:46,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:46,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593498005] [2024-11-07 00:35:46,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:46,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:46,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:46,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:46,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:46,273 INFO L87 Difference]: Start difference. First operand 7223 states and 11062 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 00:35:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:46,315 INFO L93 Difference]: Finished difference Result 20859 states and 31864 transitions. [2024-11-07 00:35:46,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:46,316 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 00:35:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:46,335 INFO L225 Difference]: With dead ends: 20859 [2024-11-07 00:35:46,335 INFO L226 Difference]: Without dead ends: 13689 [2024-11-07 00:35:46,345 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 00:35:46,345 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 80 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:46,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 304 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:46,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13689 states. [2024-11-07 00:35:46,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13689 to 13559. [2024-11-07 00:35:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13559 states, 13558 states have (on average 1.5050892462015046) internal successors, (20406), 13558 states have internal predecessors, (20406), 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 00:35:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13559 states to 13559 states and 20406 transitions. [2024-11-07 00:35:46,579 INFO L78 Accepts]: Start accepts. Automaton has 13559 states and 20406 transitions. Word has length 95 [2024-11-07 00:35:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:46,579 INFO L471 AbstractCegarLoop]: Abstraction has 13559 states and 20406 transitions. [2024-11-07 00:35:46,580 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 00:35:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 13559 states and 20406 transitions. [2024-11-07 00:35:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 00:35:46,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:46,582 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] [2024-11-07 00:35:46,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:35:46,582 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:46,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1296053301, now seen corresponding path program 1 times [2024-11-07 00:35:46,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:46,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108547263] [2024-11-07 00:35:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:47,022 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 00:35:47,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:47,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108547263] [2024-11-07 00:35:47,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108547263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:47,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:47,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:47,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675656831] [2024-11-07 00:35:47,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:47,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:47,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:47,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:47,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:47,023 INFO L87 Difference]: Start difference. First operand 13559 states and 20406 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 00:35:47,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:47,436 INFO L93 Difference]: Finished difference Result 27067 states and 40760 transitions. [2024-11-07 00:35:47,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:47,437 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 00:35:47,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:47,451 INFO L225 Difference]: With dead ends: 27067 [2024-11-07 00:35:47,451 INFO L226 Difference]: Without dead ends: 13561 [2024-11-07 00:35:47,458 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 00:35:47,459 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 224 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:47,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 998 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:47,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13561 states. [2024-11-07 00:35:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13561 to 13559. [2024-11-07 00:35:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13559 states, 13558 states have (on average 1.495648325711757) internal successors, (20278), 13558 states have internal predecessors, (20278), 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 00:35:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13559 states to 13559 states and 20278 transitions. [2024-11-07 00:35:47,576 INFO L78 Accepts]: Start accepts. Automaton has 13559 states and 20278 transitions. Word has length 95 [2024-11-07 00:35:47,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:47,576 INFO L471 AbstractCegarLoop]: Abstraction has 13559 states and 20278 transitions. [2024-11-07 00:35:47,576 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 00:35:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 13559 states and 20278 transitions. [2024-11-07 00:35:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:47,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:47,577 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 00:35:47,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:35:47,577 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:47,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:47,578 INFO L85 PathProgramCache]: Analyzing trace with hash 232587604, now seen corresponding path program 1 times [2024-11-07 00:35:47,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:47,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715456657] [2024-11-07 00:35:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:47,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:47,630 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 00:35:47,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:47,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715456657] [2024-11-07 00:35:47,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715456657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:47,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:47,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:35:47,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009647934] [2024-11-07 00:35:47,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:47,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:35:47,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:47,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:35:47,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:35:47,632 INFO L87 Difference]: Start difference. First operand 13559 states and 20278 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 00:35:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:47,683 INFO L93 Difference]: Finished difference Result 26622 states and 40124 transitions. [2024-11-07 00:35:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:35:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 00:35:47,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:47,709 INFO L225 Difference]: With dead ends: 26622 [2024-11-07 00:35:47,710 INFO L226 Difference]: Without dead ends: 19451 [2024-11-07 00:35:47,721 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 00:35:47,721 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 117 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 414 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 00:35:47,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 414 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19451 states. [2024-11-07 00:35:47,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19451 to 19449. [2024-11-07 00:35:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19448 states have (on average 1.4936240230357878) internal successors, (29048), 19448 states have internal predecessors, (29048), 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 00:35:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 29048 transitions. [2024-11-07 00:35:48,070 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 29048 transitions. Word has length 96 [2024-11-07 00:35:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:48,070 INFO L471 AbstractCegarLoop]: Abstraction has 19449 states and 29048 transitions. [2024-11-07 00:35:48,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 00:35:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 29048 transitions. [2024-11-07 00:35:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:48,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:48,071 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 00:35:48,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:35:48,072 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:48,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:48,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1524855936, now seen corresponding path program 1 times [2024-11-07 00:35:48,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:48,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262923024] [2024-11-07 00:35:48,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:48,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:48,214 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 00:35:48,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:48,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262923024] [2024-11-07 00:35:48,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262923024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:48,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:48,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:35:48,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809180951] [2024-11-07 00:35:48,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:48,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:48,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:48,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:48,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:48,215 INFO L87 Difference]: Start difference. First operand 19449 states and 29048 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 00:35:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:48,341 INFO L93 Difference]: Finished difference Result 38843 states and 58041 transitions. [2024-11-07 00:35:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:48,342 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 00:35:48,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:48,368 INFO L225 Difference]: With dead ends: 38843 [2024-11-07 00:35:48,368 INFO L226 Difference]: Without dead ends: 19449 [2024-11-07 00:35:48,384 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 00:35:48,385 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 482 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 118 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 00:35:48,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 118 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:48,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19449 states. [2024-11-07 00:35:48,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19449 to 19449. [2024-11-07 00:35:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19448 states have (on average 1.4804607157548335) internal successors, (28792), 19448 states have internal predecessors, (28792), 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 00:35:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 28792 transitions. [2024-11-07 00:35:48,645 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 28792 transitions. Word has length 96 [2024-11-07 00:35:48,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:48,645 INFO L471 AbstractCegarLoop]: Abstraction has 19449 states and 28792 transitions. [2024-11-07 00:35:48,645 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 00:35:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 28792 transitions. [2024-11-07 00:35:48,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:48,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:48,646 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 00:35:48,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 00:35:48,646 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:48,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:48,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1886974661, now seen corresponding path program 1 times [2024-11-07 00:35:48,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:48,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612306084] [2024-11-07 00:35:48,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:48,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:48,747 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 00:35:48,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:48,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612306084] [2024-11-07 00:35:48,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612306084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:48,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:48,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:35:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533695711] [2024-11-07 00:35:48,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:48,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:48,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:48,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:48,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:48,748 INFO L87 Difference]: Start difference. First operand 19449 states and 28792 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 00:35:48,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:48,881 INFO L93 Difference]: Finished difference Result 38843 states and 57529 transitions. [2024-11-07 00:35:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:48,882 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 00:35:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:49,000 INFO L225 Difference]: With dead ends: 38843 [2024-11-07 00:35:49,001 INFO L226 Difference]: Without dead ends: 19449 [2024-11-07 00:35:49,009 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 00:35:49,010 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 440 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 142 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 00:35:49,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19449 states. [2024-11-07 00:35:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19449 to 19449. [2024-11-07 00:35:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19448 states have (on average 1.4705882352941178) internal successors, (28600), 19448 states have internal predecessors, (28600), 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 00:35:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 28600 transitions. [2024-11-07 00:35:49,188 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 28600 transitions. Word has length 96 [2024-11-07 00:35:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:49,188 INFO L471 AbstractCegarLoop]: Abstraction has 19449 states and 28600 transitions. [2024-11-07 00:35:49,188 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 00:35:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 28600 transitions. [2024-11-07 00:35:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:49,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:49,189 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 00:35:49,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 00:35:49,189 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:49,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:49,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1645128928, now seen corresponding path program 1 times [2024-11-07 00:35:49,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:49,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130664128] [2024-11-07 00:35:49,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:49,291 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 00:35:49,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:49,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130664128] [2024-11-07 00:35:49,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130664128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:49,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:49,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:35:49,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197857823] [2024-11-07 00:35:49,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:49,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:49,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:49,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:49,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:49,292 INFO L87 Difference]: Start difference. First operand 19449 states and 28600 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 00:35:49,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:49,430 INFO L93 Difference]: Finished difference Result 38843 states and 57145 transitions. [2024-11-07 00:35:49,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:49,430 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 00:35:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:49,458 INFO L225 Difference]: With dead ends: 38843 [2024-11-07 00:35:49,458 INFO L226 Difference]: Without dead ends: 19449 [2024-11-07 00:35:49,472 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 00:35:49,473 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 398 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 166 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 00:35:49,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 166 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:49,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19449 states. [2024-11-07 00:35:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19449 to 19449. [2024-11-07 00:35:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19448 states have (on average 1.460715754833402) internal successors, (28408), 19448 states have internal predecessors, (28408), 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 00:35:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 28408 transitions. [2024-11-07 00:35:49,774 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 28408 transitions. Word has length 96 [2024-11-07 00:35:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:49,774 INFO L471 AbstractCegarLoop]: Abstraction has 19449 states and 28408 transitions. [2024-11-07 00:35:49,774 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 00:35:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 28408 transitions. [2024-11-07 00:35:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:49,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:49,775 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 00:35:49,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 00:35:49,775 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:49,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1115838427, now seen corresponding path program 1 times [2024-11-07 00:35:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:49,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039521414] [2024-11-07 00:35:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:49,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:49,900 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 00:35:49,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:49,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039521414] [2024-11-07 00:35:49,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039521414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:49,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:49,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:35:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781636544] [2024-11-07 00:35:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:49,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:49,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:49,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:49,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:49,902 INFO L87 Difference]: Start difference. First operand 19449 states and 28408 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 00:35:50,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:50,014 INFO L93 Difference]: Finished difference Result 38843 states and 56761 transitions. [2024-11-07 00:35:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:50,014 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 00:35:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:50,039 INFO L225 Difference]: With dead ends: 38843 [2024-11-07 00:35:50,039 INFO L226 Difference]: Without dead ends: 19449 [2024-11-07 00:35:50,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:35:50,052 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 460 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 126 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 00:35:50,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 126 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:50,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19449 states. [2024-11-07 00:35:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19449 to 19449. [2024-11-07 00:35:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19448 states have (on average 1.4508432743726862) internal successors, (28216), 19448 states have internal predecessors, (28216), 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 00:35:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 28216 transitions. [2024-11-07 00:35:50,223 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 28216 transitions. Word has length 96 [2024-11-07 00:35:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:50,224 INFO L471 AbstractCegarLoop]: Abstraction has 19449 states and 28216 transitions. [2024-11-07 00:35:50,224 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 00:35:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 28216 transitions. [2024-11-07 00:35:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:50,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:50,226 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 00:35:50,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 00:35:50,226 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:50,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:50,226 INFO L85 PathProgramCache]: Analyzing trace with hash -625578688, now seen corresponding path program 1 times [2024-11-07 00:35:50,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:50,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197668963] [2024-11-07 00:35:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:50,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:50,304 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 00:35:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197668963] [2024-11-07 00:35:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197668963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:50,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:50,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:35:50,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980214773] [2024-11-07 00:35:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:50,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:50,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:50,306 INFO L87 Difference]: Start difference. First operand 19449 states and 28216 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 00:35:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:50,420 INFO L93 Difference]: Finished difference Result 38843 states and 56377 transitions. [2024-11-07 00:35:50,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:50,420 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 00:35:50,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:50,443 INFO L225 Difference]: With dead ends: 38843 [2024-11-07 00:35:50,444 INFO L226 Difference]: Without dead ends: 19449 [2024-11-07 00:35:50,456 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 00:35:50,457 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 405 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 158 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 00:35:50,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 158 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19449 states. [2024-11-07 00:35:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19449 to 19449. [2024-11-07 00:35:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19448 states have (on average 1.4409707939119705) internal successors, (28024), 19448 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 00:35:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 28024 transitions. [2024-11-07 00:35:50,675 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 28024 transitions. Word has length 96 [2024-11-07 00:35:50,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:50,676 INFO L471 AbstractCegarLoop]: Abstraction has 19449 states and 28024 transitions. [2024-11-07 00:35:50,676 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 00:35:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 28024 transitions. [2024-11-07 00:35:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:35:50,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:50,677 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 00:35:50,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 00:35:50,677 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:50,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:50,678 INFO L85 PathProgramCache]: Analyzing trace with hash 239953701, now seen corresponding path program 1 times [2024-11-07 00:35:50,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:50,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119106113] [2024-11-07 00:35:50,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:50,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:50,965 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 00:35:50,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:50,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119106113] [2024-11-07 00:35:50,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119106113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:50,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:50,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:35:50,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268625385] [2024-11-07 00:35:50,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:50,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:35:50,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:50,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:35:50,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:35:50,966 INFO L87 Difference]: Start difference. First operand 19449 states and 28024 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 00:35:51,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:51,020 INFO L93 Difference]: Finished difference Result 19963 states and 28793 transitions. [2024-11-07 00:35:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:35:51,020 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 00:35:51,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:51,040 INFO L225 Difference]: With dead ends: 19963 [2024-11-07 00:35:51,040 INFO L226 Difference]: Without dead ends: 19961 [2024-11-07 00:35:51,046 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 00:35:51,047 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:51,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 689 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:35:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19961 states. [2024-11-07 00:35:51,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19961 to 19961. [2024-11-07 00:35:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19961 states, 19960 states have (on average 1.4264529058116233) internal successors, (28472), 19960 states have internal predecessors, (28472), 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 00:35:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19961 states to 19961 states and 28472 transitions. [2024-11-07 00:35:51,296 INFO L78 Accepts]: Start accepts. Automaton has 19961 states and 28472 transitions. Word has length 96 [2024-11-07 00:35:51,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:51,296 INFO L471 AbstractCegarLoop]: Abstraction has 19961 states and 28472 transitions. [2024-11-07 00:35:51,297 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 00:35:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 19961 states and 28472 transitions. [2024-11-07 00:35:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:35:51,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:51,306 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-07 00:35:51,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 00:35:51,307 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:51,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:51,308 INFO L85 PathProgramCache]: Analyzing trace with hash -714656545, now seen corresponding path program 1 times [2024-11-07 00:35:51,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:51,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053975785] [2024-11-07 00:35:51,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:51,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 00:35:51,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:51,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053975785] [2024-11-07 00:35:51,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053975785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:51,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:51,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:51,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521358357] [2024-11-07 00:35:51,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:51,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:51,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:51,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:51,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:51,527 INFO L87 Difference]: Start difference. First operand 19961 states and 28472 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 00:35:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:51,968 INFO L93 Difference]: Finished difference Result 162953 states and 232512 transitions. [2024-11-07 00:35:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:51,968 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 131 [2024-11-07 00:35:51,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:52,126 INFO L225 Difference]: With dead ends: 162953 [2024-11-07 00:35:52,126 INFO L226 Difference]: Without dead ends: 143047 [2024-11-07 00:35:52,173 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 00:35:52,174 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 2141 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:52,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 1896 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:52,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143047 states. [2024-11-07 00:35:53,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143047 to 39865. [2024-11-07 00:35:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39865 states, 39864 states have (on average 1.422235601043548) internal successors, (56696), 39864 states have internal predecessors, (56696), 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 00:35:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39865 states to 39865 states and 56696 transitions. [2024-11-07 00:35:53,287 INFO L78 Accepts]: Start accepts. Automaton has 39865 states and 56696 transitions. Word has length 131 [2024-11-07 00:35:53,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:53,288 INFO L471 AbstractCegarLoop]: Abstraction has 39865 states and 56696 transitions. [2024-11-07 00:35:53,288 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 00:35:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 39865 states and 56696 transitions. [2024-11-07 00:35:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:35:53,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:53,296 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-07 00:35:53,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 00:35:53,296 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:53,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1365457691, now seen corresponding path program 1 times [2024-11-07 00:35:53,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:53,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206457419] [2024-11-07 00:35:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:53,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 00:35:53,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:53,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206457419] [2024-11-07 00:35:53,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206457419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:53,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:53,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:53,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552209619] [2024-11-07 00:35:53,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:53,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:53,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:53,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:53,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:53,508 INFO L87 Difference]: Start difference. First operand 39865 states and 56696 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 00:35:53,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:53,982 INFO L93 Difference]: Finished difference Result 182857 states and 260736 transitions. [2024-11-07 00:35:53,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:53,983 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 131 [2024-11-07 00:35:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:54,145 INFO L225 Difference]: With dead ends: 182857 [2024-11-07 00:35:54,146 INFO L226 Difference]: Without dead ends: 162951 [2024-11-07 00:35:54,197 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 00:35:54,198 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 2260 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:54,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 1708 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162951 states. [2024-11-07 00:35:55,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162951 to 69753. [2024-11-07 00:35:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69753 states, 69752 states have (on average 1.417479068700539) internal successors, (98872), 69752 states have internal predecessors, (98872), 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 00:35:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69753 states to 69753 states and 98872 transitions. [2024-11-07 00:35:56,004 INFO L78 Accepts]: Start accepts. Automaton has 69753 states and 98872 transitions. Word has length 131 [2024-11-07 00:35:56,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:56,004 INFO L471 AbstractCegarLoop]: Abstraction has 69753 states and 98872 transitions. [2024-11-07 00:35:56,004 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 00:35:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 69753 states and 98872 transitions. [2024-11-07 00:35:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:35:56,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:56,012 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-07 00:35:56,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 00:35:56,012 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:56,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:56,012 INFO L85 PathProgramCache]: Analyzing trace with hash -770469891, now seen corresponding path program 1 times [2024-11-07 00:35:56,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:56,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267179077] [2024-11-07 00:35:56,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:56,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 00:35:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267179077] [2024-11-07 00:35:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267179077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:56,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:56,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:56,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72918906] [2024-11-07 00:35:56,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:56,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:56,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:56,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:56,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:56,158 INFO L87 Difference]: Start difference. First operand 69753 states and 98872 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 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 00:35:56,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:56,580 INFO L93 Difference]: Finished difference Result 202761 states and 288960 transitions. [2024-11-07 00:35:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:56,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 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 00:35:56,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:56,742 INFO L225 Difference]: With dead ends: 202761 [2024-11-07 00:35:56,742 INFO L226 Difference]: Without dead ends: 182855 [2024-11-07 00:35:56,800 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 00:35:56,801 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 2124 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:56,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 1886 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:35:56,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182855 states. [2024-11-07 00:35:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182855 to 89657. [2024-11-07 00:35:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89657 states, 89656 states have (on average 1.4175961452663515) internal successors, (127096), 89656 states have internal predecessors, (127096), 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 00:35:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89657 states to 89657 states and 127096 transitions. [2024-11-07 00:35:58,216 INFO L78 Accepts]: Start accepts. Automaton has 89657 states and 127096 transitions. Word has length 131 [2024-11-07 00:35:58,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:58,216 INFO L471 AbstractCegarLoop]: Abstraction has 89657 states and 127096 transitions. [2024-11-07 00:35:58,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 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 00:35:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 89657 states and 127096 transitions. [2024-11-07 00:35:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:35:58,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:58,223 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-07 00:35:58,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 00:35:58,224 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:35:58,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash 383476215, now seen corresponding path program 1 times [2024-11-07 00:35:58,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:58,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253547264] [2024-11-07 00:35:58,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 00:35:58,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:58,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253547264] [2024-11-07 00:35:58,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253547264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:58,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:58,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:35:58,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151125238] [2024-11-07 00:35:58,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:58,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:58,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:58,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:58,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:58,477 INFO L87 Difference]: Start difference. First operand 89657 states and 127096 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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 00:35:59,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:59,149 INFO L93 Difference]: Finished difference Result 222665 states and 317184 transitions. [2024-11-07 00:35:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:35:59,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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 00:35:59,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:59,355 INFO L225 Difference]: With dead ends: 222665 [2024-11-07 00:35:59,355 INFO L226 Difference]: Without dead ends: 202759 [2024-11-07 00:35:59,417 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 00:35:59,417 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 1859 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:59,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 1998 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 00:35:59,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202759 states. [2024-11-07 00:36:01,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202759 to 109561. [2024-11-07 00:36:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109561 states, 109560 states have (on average 1.4176706827309238) internal successors, (155320), 109560 states have internal predecessors, (155320), 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 00:36:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109561 states to 109561 states and 155320 transitions. [2024-11-07 00:36:01,720 INFO L78 Accepts]: Start accepts. Automaton has 109561 states and 155320 transitions. Word has length 131 [2024-11-07 00:36:01,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:36:01,722 INFO L471 AbstractCegarLoop]: Abstraction has 109561 states and 155320 transitions. [2024-11-07 00:36:01,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 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 00:36:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 109561 states and 155320 transitions. [2024-11-07 00:36:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:36:01,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:36:01,735 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-07 00:36:01,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 00:36:01,735 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:36:01,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:36:01,735 INFO L85 PathProgramCache]: Analyzing trace with hash -474424463, now seen corresponding path program 1 times [2024-11-07 00:36:01,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:36:01,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83650620] [2024-11-07 00:36:01,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:36:01,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:36:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:36:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 00:36:02,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:36:02,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83650620] [2024-11-07 00:36:02,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83650620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:36:02,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:36:02,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:36:02,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456689746] [2024-11-07 00:36:02,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:36:02,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:36:02,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:36:02,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:36:02,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:36:02,372 INFO L87 Difference]: Start difference. First operand 109561 states and 155320 transitions. Second operand has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 9 states have internal predecessors, (122), 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 00:36:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:36:03,053 INFO L93 Difference]: Finished difference Result 242569 states and 345408 transitions. [2024-11-07 00:36:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:36:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 9 states have internal predecessors, (122), 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 00:36:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:36:03,307 INFO L225 Difference]: With dead ends: 242569 [2024-11-07 00:36:03,307 INFO L226 Difference]: Without dead ends: 222663 [2024-11-07 00:36:03,376 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 00:36:03,377 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 1792 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:36:03,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 2036 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:36:03,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222663 states. [2024-11-07 00:36:05,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222663 to 129465. [2024-11-07 00:36:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129465 states, 129464 states have (on average 1.4177223011802509) internal successors, (183544), 129464 states have internal predecessors, (183544), 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 00:36:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129465 states to 129465 states and 183544 transitions. [2024-11-07 00:36:05,517 INFO L78 Accepts]: Start accepts. Automaton has 129465 states and 183544 transitions. Word has length 131 [2024-11-07 00:36:05,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:36:05,517 INFO L471 AbstractCegarLoop]: Abstraction has 129465 states and 183544 transitions. [2024-11-07 00:36:05,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 9 states have internal predecessors, (122), 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 00:36:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 129465 states and 183544 transitions. [2024-11-07 00:36:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 00:36:05,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:36:05,525 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2024-11-07 00:36:05,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 00:36:05,525 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:36:05,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:36:05,526 INFO L85 PathProgramCache]: Analyzing trace with hash 954072171, now seen corresponding path program 1 times [2024-11-07 00:36:05,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:36:05,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035475226] [2024-11-07 00:36:05,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:36:05,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:36:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:36:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 00:36:05,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:36:05,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035475226] [2024-11-07 00:36:05,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035475226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:36:05,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:36:05,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:36:05,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369835131] [2024-11-07 00:36:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:36:05,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:36:05,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:36:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:36:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:36:05,650 INFO L87 Difference]: Start difference. First operand 129465 states and 183544 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 00:36:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:36:06,461 INFO L93 Difference]: Finished difference Result 262473 states and 373632 transitions. [2024-11-07 00:36:06,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:36:06,462 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 131 [2024-11-07 00:36:06,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:36:06,724 INFO L225 Difference]: With dead ends: 262473 [2024-11-07 00:36:06,724 INFO L226 Difference]: Without dead ends: 242567 [2024-11-07 00:36:06,784 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 00:36:06,787 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 1874 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:36:06,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 2142 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:36:06,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242567 states. [2024-11-07 00:36:08,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242567 to 149369. [2024-11-07 00:36:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149369 states, 149368 states have (on average 1.4177601628193455) internal successors, (211768), 149368 states have internal predecessors, (211768), 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 00:36:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149369 states to 149369 states and 211768 transitions. [2024-11-07 00:36:08,993 INFO L78 Accepts]: Start accepts. Automaton has 149369 states and 211768 transitions. Word has length 131 [2024-11-07 00:36:08,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:36:08,993 INFO L471 AbstractCegarLoop]: Abstraction has 149369 states and 211768 transitions. [2024-11-07 00:36:08,993 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 00:36:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 149369 states and 211768 transitions. [2024-11-07 00:36:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 00:36:09,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:36:09,003 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, 1, 1] [2024-11-07 00:36:09,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 00:36:09,004 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:36:09,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:36:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2098875790, now seen corresponding path program 1 times [2024-11-07 00:36:09,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:36:09,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121364354] [2024-11-07 00:36:09,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:36:09,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:36:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:36:09,471 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 00:36:09,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:36:09,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121364354] [2024-11-07 00:36:09,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121364354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:36:09,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:36:09,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 00:36:09,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625374690] [2024-11-07 00:36:09,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:36:09,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:36:09,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:36:09,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:36:09,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:36:09,472 INFO L87 Difference]: Start difference. First operand 149369 states and 211768 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:36:09,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:36:09,989 INFO L93 Difference]: Finished difference Result 269705 states and 384192 transitions. [2024-11-07 00:36:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 00:36:09,990 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2024-11-07 00:36:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:36:10,247 INFO L225 Difference]: With dead ends: 269705 [2024-11-07 00:36:10,247 INFO L226 Difference]: Without dead ends: 256135 [2024-11-07 00:36:10,327 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 00:36:10,327 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 2137 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:36:10,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 2272 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:36:10,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256135 states. [2024-11-07 00:36:12,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256135 to 162937. [2024-11-07 00:36:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162937 states, 162936 states have (on average 1.419109343545932) internal successors, (231224), 162936 states have internal predecessors, (231224), 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 00:36:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162937 states to 162937 states and 231224 transitions. [2024-11-07 00:36:13,061 INFO L78 Accepts]: Start accepts. Automaton has 162937 states and 231224 transitions. Word has length 132 [2024-11-07 00:36:13,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:36:13,062 INFO L471 AbstractCegarLoop]: Abstraction has 162937 states and 231224 transitions. [2024-11-07 00:36:13,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:36:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 162937 states and 231224 transitions. [2024-11-07 00:36:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 00:36:13,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:36:13,074 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, 1, 1] [2024-11-07 00:36:13,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 00:36:13,074 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:36:13,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:36:13,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1568045066, now seen corresponding path program 1 times [2024-11-07 00:36:13,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:36:13,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533351454] [2024-11-07 00:36:13,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:36:13,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:36:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:36:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:36:13,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:36:13,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533351454] [2024-11-07 00:36:13,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533351454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:36:13,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832243460] [2024-11-07 00:36:13,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:36:13,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:36:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:36:13,443 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 00:36:13,444 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 00:36:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:36:13,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 00:36:13,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:36:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:36:14,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:36:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:36:14,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832243460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:36:14,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:36:14,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 26 [2024-11-07 00:36:14,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534604260] [2024-11-07 00:36:14,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:36:14,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-07 00:36:14,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:36:14,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-07 00:36:14,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2024-11-07 00:36:14,604 INFO L87 Difference]: Start difference. First operand 162937 states and 231224 transitions. Second operand has 26 states, 26 states have (on average 14.961538461538462) internal successors, (389), 26 states have internal predecessors, (389), 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 00:36:26,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:36:26,132 INFO L93 Difference]: Finished difference Result 1557824 states and 2203088 transitions. [2024-11-07 00:36:26,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-11-07 00:36:26,132 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 14.961538461538462) internal successors, (389), 26 states have internal predecessors, (389), 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 133 [2024-11-07 00:36:26,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:36:27,787 INFO L225 Difference]: With dead ends: 1557824 [2024-11-07 00:36:27,787 INFO L226 Difference]: Without dead ends: 1385361 [2024-11-07 00:36:27,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23267 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=6991, Invalid=45679, Unknown=0, NotChecked=0, Total=52670 [2024-11-07 00:36:27,988 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 9225 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 4181 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9225 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 4447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 4181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:36:27,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9225 Valid, 2881 Invalid, 4447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 4181 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 00:36:29,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385361 states.