./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i --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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i', '-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', '2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62'] 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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i -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 2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:11:57,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:11:58,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:11:58,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:11:58,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:11:58,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:11:58,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:11:58,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:11:58,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:11:58,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:11:58,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:11:58,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:11:58,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:11:58,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:11:58,125 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:11:58,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:11:58,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:11:58,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:11:58,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:11:58,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:11:58,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:11:58,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:11:58,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:11:58,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:11:58,126 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:11:58,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:11:58,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:11:58,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:11:58,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:11:58,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:11:58,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:11:58,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:11:58,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:11:58,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:11:58,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:11:58,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:11:58,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:11:58,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:11:58,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:11:58,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:11:58,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:11:58,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:11:58,129 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 -> 2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62 [2024-11-07 08:11:58,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:11:58,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:11:58,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:11:58,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:11:58,443 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:11:58,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i [2024-11-07 08:11:59,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:12:00,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:12:00,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i [2024-11-07 08:12:00,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/836aae43d/159b06b46a1843b4a8b87fdb6381ecd6/FLAGd409aeb04 [2024-11-07 08:12:00,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/836aae43d/159b06b46a1843b4a8b87fdb6381ecd6 [2024-11-07 08:12:00,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:12:00,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:12:00,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:12:00,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:12:00,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:12:00,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9a3cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00, skipping insertion in model container [2024-11-07 08:12:00,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:12:00,320 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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i[916,929] [2024-11-07 08:12:00,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:12:00,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:12:00,469 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/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i[916,929] [2024-11-07 08:12:00,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:12:00,555 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:12:00,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00 WrapperNode [2024-11-07 08:12:00,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:12:00,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:12:00,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:12:00,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:12:00,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,648 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 257 [2024-11-07 08:12:00,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:12:00,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:12:00,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:12:00,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:12:00,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,708 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 08:12:00,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:12:00,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:12:00,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:12:00,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:12:00,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (1/1) ... [2024-11-07 08:12:00,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:12:00,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:12:00,816 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 08:12:00,821 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 08:12:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:12:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:12:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:12:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:12:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:12:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:12:00,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:12:00,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:12:01,564 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-07 08:12:01,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:12:01,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:12:01,580 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:12:01,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:01 BoogieIcfgContainer [2024-11-07 08:12:01,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:12:01,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:12:01,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:12:01,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:12:01,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:12:00" (1/3) ... [2024-11-07 08:12:01,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50306821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:12:01, skipping insertion in model container [2024-11-07 08:12:01,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:00" (2/3) ... [2024-11-07 08:12:01,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50306821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:12:01, skipping insertion in model container [2024-11-07 08:12:01,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:12:01" (3/3) ... [2024-11-07 08:12:01,592 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-59.i [2024-11-07 08:12:01,606 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:12:01,607 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:12:01,672 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:12:01,684 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;@b189f12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:12:01,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:12:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 86 states have (on average 1.5232558139534884) internal successors, (131), 87 states have internal predecessors, (131), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 08:12:01,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 08:12:01,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:01,705 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:01,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash 486698185, now seen corresponding path program 1 times [2024-11-07 08:12:01,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:01,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898930017] [2024-11-07 08:12:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:01,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:02,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898930017] [2024-11-07 08:12:02,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898930017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:02,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:02,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:12:02,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732885557] [2024-11-07 08:12:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:02,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:12:02,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:12:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:12:02,283 INFO L87 Difference]: Start difference. First operand has 110 states, 86 states have (on average 1.5232558139534884) internal successors, (131), 87 states have internal predecessors, (131), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 08:12:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:02,321 INFO L93 Difference]: Finished difference Result 213 states and 361 transitions. [2024-11-07 08:12:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:12:02,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 148 [2024-11-07 08:12:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:02,330 INFO L225 Difference]: With dead ends: 213 [2024-11-07 08:12:02,330 INFO L226 Difference]: Without dead ends: 106 [2024-11-07 08:12:02,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:12:02,336 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:02,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:12:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-07 08:12:02,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-07 08:12:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 83 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 08:12:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 165 transitions. [2024-11-07 08:12:02,383 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 165 transitions. Word has length 148 [2024-11-07 08:12:02,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:02,384 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 165 transitions. [2024-11-07 08:12:02,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 08:12:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2024-11-07 08:12:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 08:12:02,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:02,388 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:02,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:12:02,389 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:02,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash -171562737, now seen corresponding path program 1 times [2024-11-07 08:12:02,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:02,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9820623] [2024-11-07 08:12:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:02,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:02,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:02,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9820623] [2024-11-07 08:12:02,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9820623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:02,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:02,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:12:02,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833759984] [2024-11-07 08:12:02,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:02,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:12:02,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:02,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:12:02,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:12:02,821 INFO L87 Difference]: Start difference. First operand 106 states and 165 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:02,957 INFO L93 Difference]: Finished difference Result 309 states and 483 transitions. [2024-11-07 08:12:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:12:02,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 148 [2024-11-07 08:12:02,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:02,967 INFO L225 Difference]: With dead ends: 309 [2024-11-07 08:12:02,967 INFO L226 Difference]: Without dead ends: 206 [2024-11-07 08:12:02,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 08:12:02,971 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 144 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:02,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 295 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:12:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-07 08:12:03,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2024-11-07 08:12:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 159 states have (on average 1.440251572327044) internal successors, (229), 159 states have internal predecessors, (229), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 08:12:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 313 transitions. [2024-11-07 08:12:03,016 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 313 transitions. Word has length 148 [2024-11-07 08:12:03,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:03,017 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 313 transitions. [2024-11-07 08:12:03,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 313 transitions. [2024-11-07 08:12:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-07 08:12:03,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:03,023 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:03,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:12:03,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:03,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1105003005, now seen corresponding path program 1 times [2024-11-07 08:12:03,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:03,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769323899] [2024-11-07 08:12:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:03,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:03,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:03,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769323899] [2024-11-07 08:12:03,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769323899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:03,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:03,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:12:03,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161192638] [2024-11-07 08:12:03,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:03,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:12:03,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:03,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:12:03,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:12:03,414 INFO L87 Difference]: Start difference. First operand 204 states and 313 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:03,491 INFO L93 Difference]: Finished difference Result 405 states and 623 transitions. [2024-11-07 08:12:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:12:03,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 149 [2024-11-07 08:12:03,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:03,495 INFO L225 Difference]: With dead ends: 405 [2024-11-07 08:12:03,495 INFO L226 Difference]: Without dead ends: 204 [2024-11-07 08:12:03,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 08:12:03,496 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 2 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:03,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 290 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:12:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-07 08:12:03,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-07 08:12:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 159 states have (on average 1.4276729559748427) internal successors, (227), 159 states have internal predecessors, (227), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 08:12:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 311 transitions. [2024-11-07 08:12:03,539 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 311 transitions. Word has length 149 [2024-11-07 08:12:03,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:03,540 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 311 transitions. [2024-11-07 08:12:03,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:03,540 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 311 transitions. [2024-11-07 08:12:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 08:12:03,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:03,546 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:03,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 08:12:03,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:03,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:03,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1145991477, now seen corresponding path program 1 times [2024-11-07 08:12:03,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:03,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850920219] [2024-11-07 08:12:03,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:03,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850920219] [2024-11-07 08:12:03,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850920219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:03,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:03,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:12:03,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987550487] [2024-11-07 08:12:03,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:03,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:12:03,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:12:03,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:03,985 INFO L87 Difference]: Start difference. First operand 204 states and 311 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:04,032 INFO L93 Difference]: Finished difference Result 409 states and 625 transitions. [2024-11-07 08:12:04,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:12:04,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-07 08:12:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:04,035 INFO L225 Difference]: With dead ends: 409 [2024-11-07 08:12:04,038 INFO L226 Difference]: Without dead ends: 208 [2024-11-07 08:12:04,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:04,041 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:04,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:12:04,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-07 08:12:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-07 08:12:04,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 163 states have (on average 1.4171779141104295) internal successors, (231), 163 states have internal predecessors, (231), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 08:12:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 315 transitions. [2024-11-07 08:12:04,072 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 315 transitions. Word has length 150 [2024-11-07 08:12:04,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:04,073 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 315 transitions. [2024-11-07 08:12:04,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 315 transitions. [2024-11-07 08:12:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 08:12:04,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:04,075 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:04,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 08:12:04,075 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:04,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:04,076 INFO L85 PathProgramCache]: Analyzing trace with hash -465933107, now seen corresponding path program 1 times [2024-11-07 08:12:04,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:04,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675184585] [2024-11-07 08:12:04,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:04,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:04,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675184585] [2024-11-07 08:12:04,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675184585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:04,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:04,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:12:04,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188540768] [2024-11-07 08:12:04,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:04,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:12:04,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:04,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:12:04,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:04,525 INFO L87 Difference]: Start difference. First operand 208 states and 315 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:04,901 INFO L93 Difference]: Finished difference Result 527 states and 798 transitions. [2024-11-07 08:12:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:12:04,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-07 08:12:04,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:04,905 INFO L225 Difference]: With dead ends: 527 [2024-11-07 08:12:04,906 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 08:12:04,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:04,908 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 111 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:04,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 480 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 08:12:04,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 319. [2024-11-07 08:12:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 252 states have (on average 1.4047619047619047) internal successors, (354), 252 states have internal predecessors, (354), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-07 08:12:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2024-11-07 08:12:04,950 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 150 [2024-11-07 08:12:04,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:04,951 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2024-11-07 08:12:04,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2024-11-07 08:12:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 08:12:04,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:04,954 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:04,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 08:12:04,954 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:04,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1399923416, now seen corresponding path program 1 times [2024-11-07 08:12:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:04,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737923849] [2024-11-07 08:12:04,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:05,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:05,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737923849] [2024-11-07 08:12:05,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737923849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:05,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:05,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:12:05,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415171632] [2024-11-07 08:12:05,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:05,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:12:05,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:05,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:12:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:05,977 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:06,369 INFO L93 Difference]: Finished difference Result 834 states and 1254 transitions. [2024-11-07 08:12:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:12:06,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-07 08:12:06,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:06,378 INFO L225 Difference]: With dead ends: 834 [2024-11-07 08:12:06,381 INFO L226 Difference]: Without dead ends: 518 [2024-11-07 08:12:06,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:06,383 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 79 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:06,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 323 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-07 08:12:06,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 441. [2024-11-07 08:12:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 374 states have (on average 1.4438502673796791) internal successors, (540), 374 states have internal predecessors, (540), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-07 08:12:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 666 transitions. [2024-11-07 08:12:06,430 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 666 transitions. Word has length 150 [2024-11-07 08:12:06,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:06,431 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 666 transitions. [2024-11-07 08:12:06,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 666 transitions. [2024-11-07 08:12:06,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 08:12:06,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:06,435 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:06,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 08:12:06,435 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:06,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1909396506, now seen corresponding path program 1 times [2024-11-07 08:12:06,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:06,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186703413] [2024-11-07 08:12:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:06,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:06,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186703413] [2024-11-07 08:12:06,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186703413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:06,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:06,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:12:06,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178646440] [2024-11-07 08:12:06,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:06,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:12:06,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:06,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:12:06,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:06,765 INFO L87 Difference]: Start difference. First operand 441 states and 666 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:06,980 INFO L93 Difference]: Finished difference Result 1371 states and 2059 transitions. [2024-11-07 08:12:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:12:06,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2024-11-07 08:12:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:06,987 INFO L225 Difference]: With dead ends: 1371 [2024-11-07 08:12:06,987 INFO L226 Difference]: Without dead ends: 933 [2024-11-07 08:12:06,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:06,991 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 218 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:06,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 548 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:12:06,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-07 08:12:07,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 755. [2024-11-07 08:12:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 622 states have (on average 1.4212218649517685) internal successors, (884), 622 states have internal predecessors, (884), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 08:12:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1136 transitions. [2024-11-07 08:12:07,086 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1136 transitions. Word has length 150 [2024-11-07 08:12:07,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:07,086 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1136 transitions. [2024-11-07 08:12:07,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1136 transitions. [2024-11-07 08:12:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-07 08:12:07,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:07,089 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:07,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 08:12:07,089 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:07,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:07,090 INFO L85 PathProgramCache]: Analyzing trace with hash -397658682, now seen corresponding path program 1 times [2024-11-07 08:12:07,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:07,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810420037] [2024-11-07 08:12:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:07,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:09,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:09,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810420037] [2024-11-07 08:12:09,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810420037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:09,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:09,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 08:12:09,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864600333] [2024-11-07 08:12:09,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:09,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 08:12:09,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:09,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 08:12:09,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2024-11-07 08:12:09,809 INFO L87 Difference]: Start difference. First operand 755 states and 1136 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:10,994 INFO L93 Difference]: Finished difference Result 1608 states and 2424 transitions. [2024-11-07 08:12:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:12:10,995 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 155 [2024-11-07 08:12:10,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:11,001 INFO L225 Difference]: With dead ends: 1608 [2024-11-07 08:12:11,001 INFO L226 Difference]: Without dead ends: 856 [2024-11-07 08:12:11,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:12:11,004 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 348 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:11,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 771 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 08:12:11,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-07 08:12:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 813. [2024-11-07 08:12:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 680 states have (on average 1.3985294117647058) internal successors, (951), 680 states have internal predecessors, (951), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 08:12:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1203 transitions. [2024-11-07 08:12:11,094 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1203 transitions. Word has length 155 [2024-11-07 08:12:11,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:11,096 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1203 transitions. [2024-11-07 08:12:11,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1203 transitions. [2024-11-07 08:12:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-07 08:12:11,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:11,099 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:11,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 08:12:11,099 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:11,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:11,104 INFO L85 PathProgramCache]: Analyzing trace with hash -51109779, now seen corresponding path program 1 times [2024-11-07 08:12:11,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:11,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727966518] [2024-11-07 08:12:11,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:11,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:11,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727966518] [2024-11-07 08:12:11,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727966518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:11,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:11,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 08:12:11,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654446646] [2024-11-07 08:12:11,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:11,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 08:12:11,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:11,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 08:12:11,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 08:12:11,240 INFO L87 Difference]: Start difference. First operand 813 states and 1203 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:11,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:11,470 INFO L93 Difference]: Finished difference Result 2299 states and 3419 transitions. [2024-11-07 08:12:11,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 08:12:11,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 156 [2024-11-07 08:12:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:11,486 INFO L225 Difference]: With dead ends: 2299 [2024-11-07 08:12:11,488 INFO L226 Difference]: Without dead ends: 1489 [2024-11-07 08:12:11,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 08:12:11,493 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 118 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:11,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 292 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:12:11,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2024-11-07 08:12:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1193. [2024-11-07 08:12:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1060 states have (on average 1.3943396226415095) internal successors, (1478), 1060 states have internal predecessors, (1478), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 08:12:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1730 transitions. [2024-11-07 08:12:11,627 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1730 transitions. Word has length 156 [2024-11-07 08:12:11,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:11,628 INFO L471 AbstractCegarLoop]: Abstraction has 1193 states and 1730 transitions. [2024-11-07 08:12:11,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1730 transitions. [2024-11-07 08:12:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-07 08:12:11,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:11,631 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:11,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 08:12:11,632 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:11,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash -174791296, now seen corresponding path program 1 times [2024-11-07 08:12:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:11,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927334671] [2024-11-07 08:12:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:11,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:14,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:14,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927334671] [2024-11-07 08:12:14,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927334671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:14,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:14,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-07 08:12:14,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874084196] [2024-11-07 08:12:14,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:14,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 08:12:14,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:14,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 08:12:14,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-07 08:12:14,404 INFO L87 Difference]: Start difference. First operand 1193 states and 1730 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:16,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:16,115 INFO L93 Difference]: Finished difference Result 2330 states and 3356 transitions. [2024-11-07 08:12:16,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 08:12:16,116 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 156 [2024-11-07 08:12:16,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:16,124 INFO L225 Difference]: With dead ends: 2330 [2024-11-07 08:12:16,124 INFO L226 Difference]: Without dead ends: 1497 [2024-11-07 08:12:16,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2024-11-07 08:12:16,130 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 663 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:16,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 832 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 08:12:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2024-11-07 08:12:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1264. [2024-11-07 08:12:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1131 states have (on average 1.3925729442970822) internal successors, (1575), 1131 states have internal predecessors, (1575), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 08:12:16,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1827 transitions. [2024-11-07 08:12:16,219 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1827 transitions. Word has length 156 [2024-11-07 08:12:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:16,219 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 1827 transitions. [2024-11-07 08:12:16,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1827 transitions. [2024-11-07 08:12:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 08:12:16,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:16,222 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:16,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 08:12:16,223 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:16,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:16,223 INFO L85 PathProgramCache]: Analyzing trace with hash -198130535, now seen corresponding path program 1 times [2024-11-07 08:12:16,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:16,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522903112] [2024-11-07 08:12:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:16,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:16,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522903112] [2024-11-07 08:12:16,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522903112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:16,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:16,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:12:16,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797731815] [2024-11-07 08:12:16,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:16,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:12:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:16,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:12:16,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:16,382 INFO L87 Difference]: Start difference. First operand 1264 states and 1827 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:16,760 INFO L93 Difference]: Finished difference Result 3262 states and 4731 transitions. [2024-11-07 08:12:16,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:12:16,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-07 08:12:16,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:16,772 INFO L225 Difference]: With dead ends: 3262 [2024-11-07 08:12:16,772 INFO L226 Difference]: Without dead ends: 2001 [2024-11-07 08:12:16,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:16,776 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 113 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:16,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 528 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:12:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2024-11-07 08:12:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1532. [2024-11-07 08:12:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1399 states have (on average 1.4102930664760542) internal successors, (1973), 1399 states have internal predecessors, (1973), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 08:12:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2225 transitions. [2024-11-07 08:12:16,886 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2225 transitions. Word has length 157 [2024-11-07 08:12:16,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:16,887 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 2225 transitions. [2024-11-07 08:12:16,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2225 transitions. [2024-11-07 08:12:16,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 08:12:16,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:16,891 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:16,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 08:12:16,891 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:16,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash 360821913, now seen corresponding path program 1 times [2024-11-07 08:12:16,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:16,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985776215] [2024-11-07 08:12:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:21,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:21,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985776215] [2024-11-07 08:12:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985776215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:21,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:21,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:12:21,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874346044] [2024-11-07 08:12:21,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:21,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:12:21,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:21,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:12:21,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:12:21,710 INFO L87 Difference]: Start difference. First operand 1532 states and 2225 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:23,439 INFO L93 Difference]: Finished difference Result 3189 states and 4602 transitions. [2024-11-07 08:12:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:12:23,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-07 08:12:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:23,451 INFO L225 Difference]: With dead ends: 3189 [2024-11-07 08:12:23,451 INFO L226 Difference]: Without dead ends: 2210 [2024-11-07 08:12:23,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:12:23,453 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 251 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:23,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 663 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 08:12:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2024-11-07 08:12:23,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1906. [2024-11-07 08:12:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1769 states have (on average 1.4115319389485586) internal successors, (2497), 1769 states have internal predecessors, (2497), 126 states have call successors, (126), 10 states have call predecessors, (126), 10 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 08:12:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2749 transitions. [2024-11-07 08:12:23,589 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2749 transitions. Word has length 157 [2024-11-07 08:12:23,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:23,589 INFO L471 AbstractCegarLoop]: Abstraction has 1906 states and 2749 transitions. [2024-11-07 08:12:23,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2749 transitions. [2024-11-07 08:12:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 08:12:23,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:23,594 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:23,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 08:12:23,594 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:23,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1328121829, now seen corresponding path program 1 times [2024-11-07 08:12:23,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:23,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245362951] [2024-11-07 08:12:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:23,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:27,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:27,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245362951] [2024-11-07 08:12:27,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245362951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:27,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:27,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 08:12:27,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971582689] [2024-11-07 08:12:27,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:27,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 08:12:27,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:27,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 08:12:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:12:27,519 INFO L87 Difference]: Start difference. First operand 1906 states and 2749 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 08:12:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:30,880 INFO L93 Difference]: Finished difference Result 5439 states and 7816 transitions. [2024-11-07 08:12:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 08:12:30,881 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 157 [2024-11-07 08:12:30,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:30,899 INFO L225 Difference]: With dead ends: 5439 [2024-11-07 08:12:30,900 INFO L226 Difference]: Without dead ends: 4094 [2024-11-07 08:12:30,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-07 08:12:30,906 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 887 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:30,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 935 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 08:12:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2024-11-07 08:12:31,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3727. [2024-11-07 08:12:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3727 states, 3454 states have (on average 1.411696583671106) internal successors, (4876), 3454 states have internal predecessors, (4876), 252 states have call successors, (252), 20 states have call predecessors, (252), 20 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:12:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 5380 transitions. [2024-11-07 08:12:31,090 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 5380 transitions. Word has length 157 [2024-11-07 08:12:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:31,092 INFO L471 AbstractCegarLoop]: Abstraction has 3727 states and 5380 transitions. [2024-11-07 08:12:31,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 08:12:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 5380 transitions. [2024-11-07 08:12:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 08:12:31,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:31,097 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:31,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 08:12:31,097 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:31,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:31,098 INFO L85 PathProgramCache]: Analyzing trace with hash 607002017, now seen corresponding path program 1 times [2024-11-07 08:12:31,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:31,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321976173] [2024-11-07 08:12:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:31,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:31,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:31,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321976173] [2024-11-07 08:12:31,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321976173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:31,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:31,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:12:31,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644314782] [2024-11-07 08:12:31,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:31,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:12:31,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:31,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:12:31,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:31,228 INFO L87 Difference]: Start difference. First operand 3727 states and 5380 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:31,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:31,545 INFO L93 Difference]: Finished difference Result 8395 states and 12114 transitions. [2024-11-07 08:12:31,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:12:31,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2024-11-07 08:12:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:31,568 INFO L225 Difference]: With dead ends: 8395 [2024-11-07 08:12:31,568 INFO L226 Difference]: Without dead ends: 4671 [2024-11-07 08:12:31,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 08:12:31,576 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 124 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:31,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 506 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:12:31,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4671 states. [2024-11-07 08:12:31,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4671 to 3877. [2024-11-07 08:12:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3877 states, 3604 states have (on average 1.402330743618202) internal successors, (5054), 3604 states have internal predecessors, (5054), 252 states have call successors, (252), 20 states have call predecessors, (252), 20 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-07 08:12:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3877 states and 5558 transitions. [2024-11-07 08:12:31,781 INFO L78 Accepts]: Start accepts. Automaton has 3877 states and 5558 transitions. Word has length 157 [2024-11-07 08:12:31,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:31,782 INFO L471 AbstractCegarLoop]: Abstraction has 3877 states and 5558 transitions. [2024-11-07 08:12:31,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 5558 transitions. [2024-11-07 08:12:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 08:12:31,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:31,786 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:31,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 08:12:31,786 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:31,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:31,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1287187543, now seen corresponding path program 1 times [2024-11-07 08:12:31,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:31,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581786440] [2024-11-07 08:12:31,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:35,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:35,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581786440] [2024-11-07 08:12:35,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581786440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:35,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:35,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-07 08:12:35,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079787459] [2024-11-07 08:12:35,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:35,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 08:12:35,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:35,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 08:12:35,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:12:35,701 INFO L87 Difference]: Start difference. First operand 3877 states and 5558 transitions. Second operand has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:37,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:37,167 INFO L93 Difference]: Finished difference Result 8957 states and 12753 transitions. [2024-11-07 08:12:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 08:12:37,167 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-07 08:12:37,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:37,205 INFO L225 Difference]: With dead ends: 8957 [2024-11-07 08:12:37,206 INFO L226 Difference]: Without dead ends: 8955 [2024-11-07 08:12:37,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-07 08:12:37,212 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 499 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:37,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1197 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 08:12:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8955 states. [2024-11-07 08:12:37,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8955 to 8895. [2024-11-07 08:12:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8895 states, 8354 states have (on average 1.3995690687096003) internal successors, (11692), 8370 states have internal predecessors, (11692), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8895 states to 8895 states and 12684 transitions. [2024-11-07 08:12:37,605 INFO L78 Accepts]: Start accepts. Automaton has 8895 states and 12684 transitions. Word has length 158 [2024-11-07 08:12:37,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:37,606 INFO L471 AbstractCegarLoop]: Abstraction has 8895 states and 12684 transitions. [2024-11-07 08:12:37,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 8895 states and 12684 transitions. [2024-11-07 08:12:37,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 08:12:37,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:37,613 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:37,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 08:12:37,613 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:37,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:37,614 INFO L85 PathProgramCache]: Analyzing trace with hash 151170965, now seen corresponding path program 1 times [2024-11-07 08:12:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051414782] [2024-11-07 08:12:37,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:37,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:37,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:37,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051414782] [2024-11-07 08:12:37,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051414782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:37,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:37,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:12:37,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389424906] [2024-11-07 08:12:37,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:37,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:12:37,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:37,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:12:37,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:37,768 INFO L87 Difference]: Start difference. First operand 8895 states and 12684 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:38,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:38,801 INFO L93 Difference]: Finished difference Result 19787 states and 28265 transitions. [2024-11-07 08:12:38,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:12:38,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-07 08:12:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:38,855 INFO L225 Difference]: With dead ends: 19787 [2024-11-07 08:12:38,855 INFO L226 Difference]: Without dead ends: 10839 [2024-11-07 08:12:38,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:12:38,871 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 320 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:38,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 499 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:38,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10839 states. [2024-11-07 08:12:39,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10839 to 7335. [2024-11-07 08:12:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7335 states, 6794 states have (on average 1.3620841919340594) internal successors, (9254), 6810 states have internal predecessors, (9254), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 10246 transitions. [2024-11-07 08:12:39,329 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 10246 transitions. Word has length 158 [2024-11-07 08:12:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:39,329 INFO L471 AbstractCegarLoop]: Abstraction has 7335 states and 10246 transitions. [2024-11-07 08:12:39,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 10246 transitions. [2024-11-07 08:12:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 08:12:39,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:39,337 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:39,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 08:12:39,337 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:39,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:39,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1904459364, now seen corresponding path program 1 times [2024-11-07 08:12:39,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:39,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929305398] [2024-11-07 08:12:39,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:39,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:41,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:41,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929305398] [2024-11-07 08:12:41,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929305398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:41,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:41,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 08:12:41,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754558234] [2024-11-07 08:12:41,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:41,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:12:41,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:41,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:12:41,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:12:41,184 INFO L87 Difference]: Start difference. First operand 7335 states and 10246 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:42,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:42,294 INFO L93 Difference]: Finished difference Result 12194 states and 16912 transitions. [2024-11-07 08:12:42,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:12:42,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-07 08:12:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:42,323 INFO L225 Difference]: With dead ends: 12194 [2024-11-07 08:12:42,323 INFO L226 Difference]: Without dead ends: 9564 [2024-11-07 08:12:42,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:12:42,334 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 401 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:42,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 763 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:12:42,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9564 states. [2024-11-07 08:12:42,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9564 to 7685. [2024-11-07 08:12:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7685 states, 7144 states have (on average 1.368421052631579) internal successors, (9776), 7160 states have internal predecessors, (9776), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7685 states to 7685 states and 10768 transitions. [2024-11-07 08:12:42,745 INFO L78 Accepts]: Start accepts. Automaton has 7685 states and 10768 transitions. Word has length 158 [2024-11-07 08:12:42,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:42,746 INFO L471 AbstractCegarLoop]: Abstraction has 7685 states and 10768 transitions. [2024-11-07 08:12:42,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 7685 states and 10768 transitions. [2024-11-07 08:12:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 08:12:42,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:42,754 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:42,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 08:12:42,754 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:42,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:42,755 INFO L85 PathProgramCache]: Analyzing trace with hash 701564190, now seen corresponding path program 1 times [2024-11-07 08:12:42,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:42,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134838877] [2024-11-07 08:12:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:43,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134838877] [2024-11-07 08:12:43,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134838877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:43,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:43,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 08:12:43,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200508003] [2024-11-07 08:12:43,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:43,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 08:12:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:43,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 08:12:43,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:12:43,925 INFO L87 Difference]: Start difference. First operand 7685 states and 10768 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:44,913 INFO L93 Difference]: Finished difference Result 14065 states and 19681 transitions. [2024-11-07 08:12:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:12:44,914 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2024-11-07 08:12:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:44,943 INFO L225 Difference]: With dead ends: 14065 [2024-11-07 08:12:44,944 INFO L226 Difference]: Without dead ends: 8513 [2024-11-07 08:12:44,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-07 08:12:44,956 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 306 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:44,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 932 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 08:12:44,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8513 states. [2024-11-07 08:12:45,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8513 to 6971. [2024-11-07 08:12:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 6430 states have (on average 1.3530326594090203) internal successors, (8700), 6446 states have internal predecessors, (8700), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 9692 transitions. [2024-11-07 08:12:45,296 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 9692 transitions. Word has length 158 [2024-11-07 08:12:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:45,296 INFO L471 AbstractCegarLoop]: Abstraction has 6971 states and 9692 transitions. [2024-11-07 08:12:45,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 9692 transitions. [2024-11-07 08:12:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 08:12:45,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:45,302 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:45,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 08:12:45,303 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:45,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash -919977036, now seen corresponding path program 1 times [2024-11-07 08:12:45,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:45,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364219986] [2024-11-07 08:12:45,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:45,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:45,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:45,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364219986] [2024-11-07 08:12:45,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364219986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:45,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:45,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 08:12:45,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381054829] [2024-11-07 08:12:45,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:45,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 08:12:45,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:45,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 08:12:45,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 08:12:45,612 INFO L87 Difference]: Start difference. First operand 6971 states and 9692 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:46,132 INFO L93 Difference]: Finished difference Result 14339 states and 19950 transitions. [2024-11-07 08:12:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 08:12:46,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-07 08:12:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:46,157 INFO L225 Difference]: With dead ends: 14339 [2024-11-07 08:12:46,157 INFO L226 Difference]: Without dead ends: 7371 [2024-11-07 08:12:46,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 08:12:46,171 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 133 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:46,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 465 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:12:46,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7371 states. [2024-11-07 08:12:46,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7371 to 6971. [2024-11-07 08:12:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 6430 states have (on average 1.3511664074650078) internal successors, (8688), 6446 states have internal predecessors, (8688), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 9680 transitions. [2024-11-07 08:12:46,484 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 9680 transitions. Word has length 159 [2024-11-07 08:12:46,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:46,485 INFO L471 AbstractCegarLoop]: Abstraction has 6971 states and 9680 transitions. [2024-11-07 08:12:46,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 9680 transitions. [2024-11-07 08:12:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 08:12:46,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:46,490 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:46,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 08:12:46,490 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:46,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:46,491 INFO L85 PathProgramCache]: Analyzing trace with hash -779428426, now seen corresponding path program 1 times [2024-11-07 08:12:46,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:46,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595977881] [2024-11-07 08:12:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:54,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:54,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595977881] [2024-11-07 08:12:54,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595977881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:54,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:54,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-07 08:12:54,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919251194] [2024-11-07 08:12:54,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:54,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 08:12:54,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:54,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 08:12:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-07 08:12:54,583 INFO L87 Difference]: Start difference. First operand 6971 states and 9680 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:57,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:57,278 INFO L93 Difference]: Finished difference Result 12959 states and 17987 transitions. [2024-11-07 08:12:57,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:12:57,279 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-07 08:12:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:57,302 INFO L225 Difference]: With dead ends: 12959 [2024-11-07 08:12:57,302 INFO L226 Difference]: Without dead ends: 8239 [2024-11-07 08:12:57,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-07 08:12:57,310 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 438 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:57,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 804 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 08:12:57,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8239 states. [2024-11-07 08:12:57,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8239 to 7223. [2024-11-07 08:12:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 6682 states have (on average 1.3516911104459743) internal successors, (9032), 6698 states have internal predecessors, (9032), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 10024 transitions. [2024-11-07 08:12:57,681 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 10024 transitions. Word has length 159 [2024-11-07 08:12:57,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:57,683 INFO L471 AbstractCegarLoop]: Abstraction has 7223 states and 10024 transitions. [2024-11-07 08:12:57,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 10024 transitions. [2024-11-07 08:12:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 08:12:57,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:57,689 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:57,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 08:12:57,689 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:57,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:57,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1597076876, now seen corresponding path program 1 times [2024-11-07 08:12:57,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:57,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432922136] [2024-11-07 08:12:57,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:12:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:12:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:12:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:12:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:12:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:12:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:12:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:12:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:12:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:12:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:12:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:12:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:12:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:12:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:12:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:12:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:12:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:12:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:12:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:12:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:12:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:12:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:12:57,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:12:57,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432922136] [2024-11-07 08:12:57,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432922136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:12:57,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:12:57,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:12:57,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20820263] [2024-11-07 08:12:57,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:12:57,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:12:57,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:12:57,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:12:57,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:57,923 INFO L87 Difference]: Start difference. First operand 7223 states and 10024 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:12:58,415 INFO L93 Difference]: Finished difference Result 15073 states and 20946 transitions. [2024-11-07 08:12:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:12:58,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-07 08:12:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:12:58,439 INFO L225 Difference]: With dead ends: 15073 [2024-11-07 08:12:58,440 INFO L226 Difference]: Without dead ends: 7853 [2024-11-07 08:12:58,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:12:58,450 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 218 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:12:58,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 501 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 08:12:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7853 states. [2024-11-07 08:12:58,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7853 to 7223. [2024-11-07 08:12:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 6682 states have (on average 1.3461538461538463) internal successors, (8995), 6698 states have internal predecessors, (8995), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:12:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 9987 transitions. [2024-11-07 08:12:58,821 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 9987 transitions. Word has length 159 [2024-11-07 08:12:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:12:58,822 INFO L471 AbstractCegarLoop]: Abstraction has 7223 states and 9987 transitions. [2024-11-07 08:12:58,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:12:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 9987 transitions. [2024-11-07 08:12:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 08:12:58,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:12:58,828 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:58,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 08:12:58,828 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:12:58,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:12:58,829 INFO L85 PathProgramCache]: Analyzing trace with hash -58271496, now seen corresponding path program 1 times [2024-11-07 08:12:58,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:12:58,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259333683] [2024-11-07 08:12:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:12:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:12:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:13:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:13:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:13:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:13:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:13:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:13:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:13:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:13:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:13:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:13:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:13:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:13:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:13:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:13:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:13:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:13:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:13:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 08:13:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 08:13:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 08:13:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 08:13:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:13:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 08:13:01,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:13:01,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259333683] [2024-11-07 08:13:01,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259333683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:13:01,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:13:01,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 08:13:01,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187222015] [2024-11-07 08:13:01,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:13:01,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 08:13:01,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:13:01,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 08:13:01,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 08:13:01,077 INFO L87 Difference]: Start difference. First operand 7223 states and 9987 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:13:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:13:02,138 INFO L93 Difference]: Finished difference Result 13103 states and 18098 transitions. [2024-11-07 08:13:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 08:13:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-07 08:13:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:13:02,161 INFO L225 Difference]: With dead ends: 13103 [2024-11-07 08:13:02,162 INFO L226 Difference]: Without dead ends: 8131 [2024-11-07 08:13:02,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:13:02,173 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 177 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:13:02,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 532 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:13:02,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8131 states. [2024-11-07 08:13:02,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8131 to 7335. [2024-11-07 08:13:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7335 states, 6794 states have (on average 1.346335001471887) internal successors, (9147), 6810 states have internal predecessors, (9147), 496 states have call successors, (496), 44 states have call predecessors, (496), 44 states have return successors, (496), 480 states have call predecessors, (496), 496 states have call successors, (496) [2024-11-07 08:13:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 10139 transitions. [2024-11-07 08:13:02,492 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 10139 transitions. Word has length 159 [2024-11-07 08:13:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:13:02,492 INFO L471 AbstractCegarLoop]: Abstraction has 7335 states and 10139 transitions. [2024-11-07 08:13:02,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-07 08:13:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 10139 transitions. [2024-11-07 08:13:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 08:13:02,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:13:02,497 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:02,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 08:13:02,497 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:13:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:13:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1851260128, now seen corresponding path program 1 times [2024-11-07 08:13:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:13:02,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270496055] [2024-11-07 08:13:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:13:02,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:13:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat