./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-81.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_50-while_file-81.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', 'cdfe6b75857728999b41684b7c331e5339e5672a24edb1faba7c7b16ac6df456'] 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_50-while_file-81.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 cdfe6b75857728999b41684b7c331e5339e5672a24edb1faba7c7b16ac6df456 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 08:58:36,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 08:58:36,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 08:58:36,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 08:58:36,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 08:58:36,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 08:58:36,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 08:58:36,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 08:58:36,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 08:58:36,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 08:58:36,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 08:58:36,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 08:58:36,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 08:58:36,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 08:58:36,259 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 08:58:36,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 08:58:36,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 08:58:36,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 08:58:36,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:58:36,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 08:58:36,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 08:58:36,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 08:58:36,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 08:58:36,263 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 -> cdfe6b75857728999b41684b7c331e5339e5672a24edb1faba7c7b16ac6df456 [2024-11-07 08:58:36,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 08:58:36,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 08:58:36,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 08:58:36,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 08:58:36,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 08:58:36,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-81.i [2024-11-07 08:58:37,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 08:58:38,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 08:58:38,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-81.i [2024-11-07 08:58:38,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35948e027/d7304df734d44babbfa7e5dda7887ee8/FLAG4456f2813 [2024-11-07 08:58:38,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35948e027/d7304df734d44babbfa7e5dda7887ee8 [2024-11-07 08:58:38,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 08:58:38,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 08:58:38,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 08:58:38,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 08:58:38,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 08:58:38,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403a495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38, skipping insertion in model container [2024-11-07 08:58:38,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 08:58:38,347 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_50-while_file-81.i[915,928] [2024-11-07 08:58:38,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:58:38,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 08:58:38,454 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_50-while_file-81.i[915,928] [2024-11-07 08:58:38,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 08:58:38,518 INFO L204 MainTranslator]: Completed translation [2024-11-07 08:58:38,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38 WrapperNode [2024-11-07 08:58:38,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 08:58:38,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 08:58:38,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 08:58:38,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 08:58:38,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,597 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-07 08:58:38,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 08:58:38,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 08:58:38,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 08:58:38,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 08:58:38,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,645 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 08:58:38,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 08:58:38,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 08:58:38,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 08:58:38,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 08:58:38,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (1/1) ... [2024-11-07 08:58:38,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 08:58:38,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 08:58:38,708 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 08:58:38,712 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 08:58:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 08:58:38,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 08:58:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 08:58:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 08:58:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 08:58:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 08:58:38,832 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 08:58:38,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 08:58:39,352 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-07 08:58:39,352 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 08:58:39,363 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 08:58:39,364 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 08:58:39,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:58:39 BoogieIcfgContainer [2024-11-07 08:58:39,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 08:58:39,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 08:58:39,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 08:58:39,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 08:58:39,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:58:38" (1/3) ... [2024-11-07 08:58:39,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261c4e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:58:39, skipping insertion in model container [2024-11-07 08:58:39,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:58:38" (2/3) ... [2024-11-07 08:58:39,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261c4e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:58:39, skipping insertion in model container [2024-11-07 08:58:39,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:58:39" (3/3) ... [2024-11-07 08:58:39,376 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-81.i [2024-11-07 08:58:39,390 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 08:58:39,390 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 08:58:39,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 08:58:39,464 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;@62290f6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 08:58:39,464 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 08:58:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 08:58:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:58:39,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:58:39,484 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:39,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:58:39,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:58:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash 409085708, now seen corresponding path program 1 times [2024-11-07 08:58:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:58:39,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523715585] [2024-11-07 08:58:39,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:58:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:58:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:58:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:58:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:58:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:58:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:58:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:58:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:58:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:58:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:58:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:58:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:58:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:58:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:58:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:58:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:58:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:58:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:58:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:58:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:58:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:58:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:58:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:58:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:58:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:58:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:58:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:58:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:58:39,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:58:39,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523715585] [2024-11-07 08:58:39,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523715585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:58:39,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:58:39,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 08:58:39,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111599286] [2024-11-07 08:58:39,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:58:39,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 08:58:39,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:58:39,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 08:58:39,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 08:58:39,955 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:58:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:58:39,984 INFO L93 Difference]: Finished difference Result 147 states and 256 transitions. [2024-11-07 08:58:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 08:58:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-07 08:58:39,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:58:39,996 INFO L225 Difference]: With dead ends: 147 [2024-11-07 08:58:39,997 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 08:58:40,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 08:58:40,006 INFO L432 NwaCegarLoop]: 111 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, 111 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 08:58:40,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 08:58:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 08:58:40,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-07 08:58:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 08:58:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-07 08:58:40,062 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 163 [2024-11-07 08:58:40,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:58:40,063 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-07 08:58:40,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:58:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-07 08:58:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:58:40,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:58:40,068 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:40,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 08:58:40,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:58:40,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:58:40,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1193130060, now seen corresponding path program 1 times [2024-11-07 08:58:40,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:58:40,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998684668] [2024-11-07 08:58:40,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:58:40,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:58:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:58:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:58:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:58:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:58:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:58:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:58:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:58:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:58:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:58:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:58:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:58:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:58:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:58:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:58:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:58:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:58:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:58:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:58:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:58:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:58:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:58:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:58:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:58:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:58:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:58:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:58:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:58:52,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:58:52,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998684668] [2024-11-07 08:58:52,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998684668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:58:52,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:58:52,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 08:58:52,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235158378] [2024-11-07 08:58:52,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:58:52,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:58:52,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:58:52,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:58:52,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:58:52,995 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:58:56,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:58:56,198 INFO L93 Difference]: Finished difference Result 321 states and 480 transitions. [2024-11-07 08:58:56,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 08:58:56,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-07 08:58:56,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:58:56,205 INFO L225 Difference]: With dead ends: 321 [2024-11-07 08:58:56,205 INFO L226 Difference]: Without dead ends: 251 [2024-11-07 08:58:56,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-07 08:58:56,210 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 651 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 08:58:56,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 526 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 08:58:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-07 08:58:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 132. [2024-11-07 08:58:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:58:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-07 08:58:56,258 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 163 [2024-11-07 08:58:56,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:58:56,258 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-07 08:58:56,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:58:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-07 08:58:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:58:56,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:58:56,264 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:56,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 08:58:56,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:58:56,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:58:56,265 INFO L85 PathProgramCache]: Analyzing trace with hash 800103050, now seen corresponding path program 1 times [2024-11-07 08:58:56,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:58:56,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448428713] [2024-11-07 08:58:56,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:58:56,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:58:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:58:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:58:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:58:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:58:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:58:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:58:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:58:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:58:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:58:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:58:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:58:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:58:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:58:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:58:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:58:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:58:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:58:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:58:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:58:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:58:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:58:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:58:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:58:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:58:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:58:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:58:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:58:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:58:56,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:58:56,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448428713] [2024-11-07 08:58:56,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448428713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:58:56,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:58:56,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:58:56,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770462109] [2024-11-07 08:58:56,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:58:56,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:58:56,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:58:56,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:58:56,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:58:56,549 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:58:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:58:56,631 INFO L93 Difference]: Finished difference Result 237 states and 360 transitions. [2024-11-07 08:58:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:58:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-07 08:58:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:58:56,635 INFO L225 Difference]: With dead ends: 237 [2024-11-07 08:58:56,635 INFO L226 Difference]: Without dead ends: 167 [2024-11-07 08:58:56,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 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 08:58:56,640 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:58:56,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 324 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:58:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-07 08:58:56,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-07 08:58:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 08:58:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-07 08:58:56,684 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-07 08:58:56,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:58:56,686 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-07 08:58:56,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:58:56,686 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-07 08:58:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:58:56,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:58:56,691 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:56,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 08:58:56,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:58:56,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:58:56,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1894194638, now seen corresponding path program 1 times [2024-11-07 08:58:56,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:58:56,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342760069] [2024-11-07 08:58:56,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:58:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:58:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:03,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:03,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342760069] [2024-11-07 08:59:03,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342760069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:03,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:03,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 08:59:03,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555524558] [2024-11-07 08:59:03,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:03,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:59:03,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:03,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:59:03,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:59:03,618 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:06,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:06,683 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-07 08:59:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 08:59:06,686 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-07 08:59:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:06,689 INFO L225 Difference]: With dead ends: 372 [2024-11-07 08:59:06,691 INFO L226 Difference]: Without dead ends: 270 [2024-11-07 08:59:06,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-07 08:59:06,695 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 418 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:06,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 521 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 08:59:06,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-07 08:59:06,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 164. [2024-11-07 08:59:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 08:59:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-07 08:59:06,737 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-07 08:59:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:06,738 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-07 08:59:06,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-07 08:59:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:59:06,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:06,740 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:06,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 08:59:06,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:06,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:06,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1451295498, now seen corresponding path program 1 times [2024-11-07 08:59:06,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:06,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343947242] [2024-11-07 08:59:06,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:07,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:07,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343947242] [2024-11-07 08:59:07,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343947242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:07,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:07,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 08:59:07,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438536807] [2024-11-07 08:59:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:07,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 08:59:07,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:07,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 08:59:07,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 08:59:07,363 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:07,731 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2024-11-07 08:59:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 08:59:07,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-07 08:59:07,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:07,733 INFO L225 Difference]: With dead ends: 312 [2024-11-07 08:59:07,733 INFO L226 Difference]: Without dead ends: 210 [2024-11-07 08:59:07,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:59:07,735 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:07,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 439 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 08:59:07,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-07 08:59:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-07 08:59:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 08:59:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-07 08:59:07,757 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-07 08:59:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:07,759 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-07 08:59:07,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-07 08:59:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:59:07,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:07,761 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:07,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 08:59:07,762 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:07,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:07,762 INFO L85 PathProgramCache]: Analyzing trace with hash 182012810, now seen corresponding path program 1 times [2024-11-07 08:59:07,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:07,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157331390] [2024-11-07 08:59:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:07,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:13,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:13,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157331390] [2024-11-07 08:59:13,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157331390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:13,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:13,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 08:59:13,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679960957] [2024-11-07 08:59:13,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:13,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 08:59:13,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:13,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 08:59:13,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 08:59:13,502 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:15,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:15,086 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2024-11-07 08:59:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 08:59:15,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-07 08:59:15,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:15,090 INFO L225 Difference]: With dead ends: 341 [2024-11-07 08:59:15,090 INFO L226 Difference]: Without dead ends: 239 [2024-11-07 08:59:15,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:59:15,091 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:15,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 514 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:59:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-07 08:59:15,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 171. [2024-11-07 08:59:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 08:59:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-07 08:59:15,112 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-07 08:59:15,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:15,112 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-07 08:59:15,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-07 08:59:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 08:59:15,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:15,114 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:15,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 08:59:15,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:15,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash 883077388, now seen corresponding path program 1 times [2024-11-07 08:59:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863357873] [2024-11-07 08:59:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:21,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:21,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863357873] [2024-11-07 08:59:21,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863357873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:21,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:21,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 08:59:21,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999378625] [2024-11-07 08:59:21,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:21,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 08:59:21,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:21,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 08:59:21,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 08:59:21,427 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:22,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:22,677 INFO L93 Difference]: Finished difference Result 322 states and 474 transitions. [2024-11-07 08:59:22,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 08:59:22,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-07 08:59:22,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:22,680 INFO L225 Difference]: With dead ends: 322 [2024-11-07 08:59:22,680 INFO L226 Difference]: Without dead ends: 210 [2024-11-07 08:59:22,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:59:22,681 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 177 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:22,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 399 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 08:59:22,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-07 08:59:22,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168. [2024-11-07 08:59:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 109 states have internal predecessors, (140), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 08:59:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 252 transitions. [2024-11-07 08:59:22,697 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 252 transitions. Word has length 163 [2024-11-07 08:59:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:22,697 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 252 transitions. [2024-11-07 08:59:22,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2024-11-07 08:59:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:22,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:22,699 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:22,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 08:59:22,700 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:22,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1839498733, now seen corresponding path program 1 times [2024-11-07 08:59:22,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:22,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670937804] [2024-11-07 08:59:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:22,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:22,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:22,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670937804] [2024-11-07 08:59:22,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670937804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:22,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:22,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 08:59:22,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442482174] [2024-11-07 08:59:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:22,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 08:59:22,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:22,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 08:59:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 08:59:22,908 INFO L87 Difference]: Start difference. First operand 168 states and 252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:22,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:22,979 INFO L93 Difference]: Finished difference Result 306 states and 450 transitions. [2024-11-07 08:59:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 08:59:22,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-07 08:59:22,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:22,982 INFO L225 Difference]: With dead ends: 306 [2024-11-07 08:59:22,982 INFO L226 Difference]: Without dead ends: 194 [2024-11-07 08:59:22,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 08:59:22,985 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 62 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:22,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 08:59:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-07 08:59:23,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 163. [2024-11-07 08:59:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:59:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2024-11-07 08:59:23,004 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 164 [2024-11-07 08:59:23,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:23,005 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2024-11-07 08:59:23,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2024-11-07 08:59:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:23,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:23,007 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:23,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 08:59:23,007 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:23,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2062441553, now seen corresponding path program 1 times [2024-11-07 08:59:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:23,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831656763] [2024-11-07 08:59:23,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:23,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:28,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:28,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831656763] [2024-11-07 08:59:28,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831656763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:28,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:28,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 08:59:28,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032414365] [2024-11-07 08:59:28,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:28,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:59:28,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:28,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:59:28,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:59:28,825 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:30,465 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2024-11-07 08:59:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:59:30,466 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-07 08:59:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:30,468 INFO L225 Difference]: With dead ends: 341 [2024-11-07 08:59:30,468 INFO L226 Difference]: Without dead ends: 241 [2024-11-07 08:59:30,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-07 08:59:30,469 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 170 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:30,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 518 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 08:59:30,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-07 08:59:30,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 171. [2024-11-07 08:59:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:59:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-07 08:59:30,492 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-07 08:59:30,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:30,492 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-07 08:59:30,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-07 08:59:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:30,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:30,494 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:30,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 08:59:30,495 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:30,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:30,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1531461165, now seen corresponding path program 1 times [2024-11-07 08:59:30,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:30,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411330923] [2024-11-07 08:59:30,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:30,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:35,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:35,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411330923] [2024-11-07 08:59:35,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411330923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:35,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:35,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 08:59:35,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050023695] [2024-11-07 08:59:35,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:35,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 08:59:35,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:35,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 08:59:35,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:59:35,740 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:59:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:37,553 INFO L93 Difference]: Finished difference Result 362 states and 524 transitions. [2024-11-07 08:59:37,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 08:59:37,554 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-07 08:59:37,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:37,556 INFO L225 Difference]: With dead ends: 362 [2024-11-07 08:59:37,556 INFO L226 Difference]: Without dead ends: 262 [2024-11-07 08:59:37,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-07 08:59:37,558 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:37,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 575 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 08:59:37,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-07 08:59:37,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2024-11-07 08:59:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:59:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 257 transitions. [2024-11-07 08:59:37,586 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 257 transitions. Word has length 164 [2024-11-07 08:59:37,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:37,586 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 257 transitions. [2024-11-07 08:59:37,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:59:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-11-07 08:59:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:37,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:37,589 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:37,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 08:59:37,589 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:37,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:37,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1752388881, now seen corresponding path program 1 times [2024-11-07 08:59:37,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:37,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719055359] [2024-11-07 08:59:37,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:37,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:41,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:41,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719055359] [2024-11-07 08:59:41,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719055359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:41,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:41,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 08:59:41,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562577637] [2024-11-07 08:59:41,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:41,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 08:59:41,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:41,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 08:59:41,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 08:59:41,629 INFO L87 Difference]: Start difference. First operand 174 states and 257 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:42,495 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-07 08:59:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 08:59:42,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-07 08:59:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:42,498 INFO L225 Difference]: With dead ends: 316 [2024-11-07 08:59:42,498 INFO L226 Difference]: Without dead ends: 216 [2024-11-07 08:59:42,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 08:59:42,499 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 115 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:42,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 08:59:42,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-07 08:59:42,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 171. [2024-11-07 08:59:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:59:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-07 08:59:42,518 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-07 08:59:42,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:42,520 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-07 08:59:42,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-07 08:59:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:42,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:42,525 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:42,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 08:59:42,526 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:42,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:42,526 INFO L85 PathProgramCache]: Analyzing trace with hash -559635055, now seen corresponding path program 1 times [2024-11-07 08:59:42,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:42,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032548704] [2024-11-07 08:59:42,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:42,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:45,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:45,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032548704] [2024-11-07 08:59:45,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032548704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:45,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:45,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 08:59:45,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924148925] [2024-11-07 08:59:45,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:45,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 08:59:45,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:45,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 08:59:45,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 08:59:45,910 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:47,351 INFO L93 Difference]: Finished difference Result 426 states and 613 transitions. [2024-11-07 08:59:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 08:59:47,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-07 08:59:47,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:47,356 INFO L225 Difference]: With dead ends: 426 [2024-11-07 08:59:47,356 INFO L226 Difference]: Without dead ends: 318 [2024-11-07 08:59:47,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-07 08:59:47,358 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:47,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 575 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 08:59:47,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-07 08:59:47,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2024-11-07 08:59:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:59:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 259 transitions. [2024-11-07 08:59:47,379 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 259 transitions. Word has length 164 [2024-11-07 08:59:47,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:47,379 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 259 transitions. [2024-11-07 08:59:47,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-07 08:59:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2024-11-07 08:59:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:47,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:47,382 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:47,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 08:59:47,383 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:47,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:47,383 INFO L85 PathProgramCache]: Analyzing trace with hash -952662065, now seen corresponding path program 1 times [2024-11-07 08:59:47,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:47,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615600947] [2024-11-07 08:59:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:47,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 08:59:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 08:59:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 08:59:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 08:59:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 08:59:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 08:59:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 08:59:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 08:59:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 08:59:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 08:59:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 08:59:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 08:59:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 08:59:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 08:59:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 08:59:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 08:59:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 08:59:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 08:59:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 08:59:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 08:59:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 08:59:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 08:59:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 08:59:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:52,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 08:59:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 08:59:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 08:59:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 08:59:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-07 08:59:52,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 08:59:52,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615600947] [2024-11-07 08:59:52,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615600947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 08:59:52,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 08:59:52,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 08:59:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489207804] [2024-11-07 08:59:52,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 08:59:52,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 08:59:52,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 08:59:52,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 08:59:52,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-07 08:59:52,025 INFO L87 Difference]: Start difference. First operand 175 states and 259 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:59:53,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 08:59:53,283 INFO L93 Difference]: Finished difference Result 387 states and 561 transitions. [2024-11-07 08:59:53,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 08:59:53,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-07 08:59:53,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 08:59:53,286 INFO L225 Difference]: With dead ends: 387 [2024-11-07 08:59:53,286 INFO L226 Difference]: Without dead ends: 279 [2024-11-07 08:59:53,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-07 08:59:53,288 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 302 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 08:59:53,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 567 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 08:59:53,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-07 08:59:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 177. [2024-11-07 08:59:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-07 08:59:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-07 08:59:53,313 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-07 08:59:53,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 08:59:53,314 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-07 08:59:53,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-07 08:59:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-07 08:59:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-07 08:59:53,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 08:59:53,315 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:53,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 08:59:53,315 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 08:59:53,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 08:59:53,316 INFO L85 PathProgramCache]: Analyzing trace with hash 141429523, now seen corresponding path program 1 times [2024-11-07 08:59:53,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 08:59:53,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964098475] [2024-11-07 08:59:53,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 08:59:53,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 08:59:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat