./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-34.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_floatingpointinfluence_no-floats_file-34.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', '0b2021e54d578344cecd4ae588ad2b694dfa7d33eedd7325e5578ff940fe43a9'] 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_floatingpointinfluence_no-floats_file-34.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 0b2021e54d578344cecd4ae588ad2b694dfa7d33eedd7325e5578ff940fe43a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 07:47:10,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 07:47:10,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 07:47:10,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 07:47:10,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 07:47:10,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 07:47:10,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 07:47:10,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 07:47:10,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 07:47:10,200 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 07:47:10,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 07:47:10,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 07:47:10,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 07:47:10,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 07:47:10,200 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 07:47:10,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 07:47:10,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 07:47:10,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 07:47:10,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 07:47:10,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 07:47:10,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 07:47:10,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:47:10,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 07:47:10,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 07:47:10,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 07:47:10,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 07:47:10,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 07:47:10,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 07:47:10,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 07:47:10,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 07:47:10,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 07:47:10,205 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 -> 0b2021e54d578344cecd4ae588ad2b694dfa7d33eedd7325e5578ff940fe43a9 [2024-11-07 07:47:10,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 07:47:10,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 07:47:10,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 07:47:10,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 07:47:10,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 07:47:10,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-34.i [2024-11-07 07:47:11,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 07:47:12,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 07:47:12,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-34.i [2024-11-07 07:47:12,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/349a27d33/3516f1b084a24c62b415bd0b1830b5e2/FLAG7ca7bd46b [2024-11-07 07:47:12,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/349a27d33/3516f1b084a24c62b415bd0b1830b5e2 [2024-11-07 07:47:12,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 07:47:12,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 07:47:12,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 07:47:12,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 07:47:12,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 07:47:12,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c42868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12, skipping insertion in model container [2024-11-07 07:47:12,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 07:47:12,516 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_floatingpointinfluence_no-floats_file-34.i[916,929] [2024-11-07 07:47:12,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:47:12,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 07:47:12,595 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_floatingpointinfluence_no-floats_file-34.i[916,929] [2024-11-07 07:47:12,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 07:47:12,648 INFO L204 MainTranslator]: Completed translation [2024-11-07 07:47:12,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12 WrapperNode [2024-11-07 07:47:12,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 07:47:12,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 07:47:12,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 07:47:12,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 07:47:12,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,708 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-07 07:47:12,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 07:47:12,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 07:47:12,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 07:47:12,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 07:47:12,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,748 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 07:47:12,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 07:47:12,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 07:47:12,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 07:47:12,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 07:47:12,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (1/1) ... [2024-11-07 07:47:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 07:47:12,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:47:12,811 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 07:47:12,817 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 07:47:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 07:47:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 07:47:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 07:47:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 07:47:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 07:47:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 07:47:12,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 07:47:12,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 07:47:13,151 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-07 07:47:13,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 07:47:13,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 07:47:13,163 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 07:47:13,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:47:13 BoogieIcfgContainer [2024-11-07 07:47:13,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 07:47:13,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 07:47:13,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 07:47:13,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 07:47:13,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:47:12" (1/3) ... [2024-11-07 07:47:13,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1581cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:47:13, skipping insertion in model container [2024-11-07 07:47:13,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:12" (2/3) ... [2024-11-07 07:47:13,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1581cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:47:13, skipping insertion in model container [2024-11-07 07:47:13,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:47:13" (3/3) ... [2024-11-07 07:47:13,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-34.i [2024-11-07 07:47:13,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 07:47:13,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 07:47:13,271 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 07:47:13,284 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;@1f66644, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 07:47:13,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 07:47:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 07:47:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 07:47:13,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:47:13,308 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:13,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:47:13,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:47:13,313 INFO L85 PathProgramCache]: Analyzing trace with hash -585062754, now seen corresponding path program 1 times [2024-11-07 07:47:13,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:47:13,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546649791] [2024-11-07 07:47:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:13,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:47:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:47:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:47:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:47:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:47:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:47:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:47:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:47:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:47:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:47:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:47:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:47:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:47:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:47:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:47:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:47:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:47:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:47:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:47:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:47:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:47:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:47:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:47:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:47:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:47:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-07 07:47:13,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:47:13,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546649791] [2024-11-07 07:47:13,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546649791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:47:13,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:47:13,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 07:47:13,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510505334] [2024-11-07 07:47:13,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:47:13,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 07:47:13,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:47:13,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 07:47:13,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 07:47:13,704 INFO L87 Difference]: Start difference. First operand has 62 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 07:47:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:47:13,728 INFO L93 Difference]: Finished difference Result 117 states and 206 transitions. [2024-11-07 07:47:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 07:47:13,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2024-11-07 07:47:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:47:13,736 INFO L225 Difference]: With dead ends: 117 [2024-11-07 07:47:13,736 INFO L226 Difference]: Without dead ends: 58 [2024-11-07 07:47:13,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 07:47:13,742 INFO L432 NwaCegarLoop]: 87 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, 87 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 07:47:13,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 07:47:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-07 07:47:13,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-07 07:47:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 07:47:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions. [2024-11-07 07:47:13,781 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 146 [2024-11-07 07:47:13,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:47:13,781 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 87 transitions. [2024-11-07 07:47:13,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 07:47:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-11-07 07:47:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 07:47:13,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:47:13,787 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:13,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 07:47:13,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:47:13,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:47:13,789 INFO L85 PathProgramCache]: Analyzing trace with hash 623310494, now seen corresponding path program 1 times [2024-11-07 07:47:13,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:47:13,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259035781] [2024-11-07 07:47:13,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:47:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:47:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:47:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:47:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:47:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:47:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:47:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:47:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:47:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:47:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:47:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:47:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:47:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:47:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:47:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:47:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:47:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:47:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:47:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:47:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:47:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:47:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:47:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:47:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:47:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-07 07:47:18,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:47:18,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259035781] [2024-11-07 07:47:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259035781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:47:18,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:47:18,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:47:18,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020228112] [2024-11-07 07:47:18,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:47:18,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:47:18,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:47:18,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:47:18,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:47:18,940 INFO L87 Difference]: Start difference. First operand 58 states and 87 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 07:47:19,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:47:19,880 INFO L93 Difference]: Finished difference Result 129 states and 191 transitions. [2024-11-07 07:47:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:47:19,883 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2024-11-07 07:47:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:47:19,885 INFO L225 Difference]: With dead ends: 129 [2024-11-07 07:47:19,885 INFO L226 Difference]: Without dead ends: 74 [2024-11-07 07:47:19,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-07 07:47:19,888 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 117 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:47:19,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 295 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 07:47:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-07 07:47:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2024-11-07 07:47:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 07:47:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-07 07:47:19,903 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 146 [2024-11-07 07:47:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:47:19,905 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-07 07:47:19,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 07:47:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-07 07:47:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 07:47:19,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:47:19,907 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:19,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 07:47:19,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:47:19,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:47:19,908 INFO L85 PathProgramCache]: Analyzing trace with hash -186036132, now seen corresponding path program 1 times [2024-11-07 07:47:19,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:47:19,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762949326] [2024-11-07 07:47:19,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:19,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:47:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:47:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:47:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:47:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:47:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:47:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:47:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:47:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:47:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:47:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:47:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:47:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:47:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:47:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:47:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:47:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:47:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:47:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:47:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:47:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:47:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:47:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:47:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:47:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:47:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-07 07:47:24,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:47:24,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762949326] [2024-11-07 07:47:24,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762949326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:47:24,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:47:24,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 07:47:24,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729959503] [2024-11-07 07:47:24,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:47:24,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 07:47:24,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:47:24,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 07:47:24,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 07:47:24,072 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 07:47:24,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:47:24,786 INFO L93 Difference]: Finished difference Result 179 states and 269 transitions. [2024-11-07 07:47:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 07:47:24,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146 [2024-11-07 07:47:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:47:24,789 INFO L225 Difference]: With dead ends: 179 [2024-11-07 07:47:24,789 INFO L226 Difference]: Without dead ends: 118 [2024-11-07 07:47:24,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:47:24,794 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 55 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 07:47:24,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 436 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 07:47:24,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-07 07:47:24,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-11-07 07:47:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 66 states have (on average 1.196969696969697) internal successors, (79), 66 states have internal predecessors, (79), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 07:47:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 175 transitions. [2024-11-07 07:47:24,826 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 175 transitions. Word has length 146 [2024-11-07 07:47:24,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:47:24,828 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 175 transitions. [2024-11-07 07:47:24,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 07:47:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions. [2024-11-07 07:47:24,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 07:47:24,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:47:24,830 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:24,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 07:47:24,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:47:24,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:47:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1907195845, now seen corresponding path program 1 times [2024-11-07 07:47:24,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:47:24,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320859022] [2024-11-07 07:47:24,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:47:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:47:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:47:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:47:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:47:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:47:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:47:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:47:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:47:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:47:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:47:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:47:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:47:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:47:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:47:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:47:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:47:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:47:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:47:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:47:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:47:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:47:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:47:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:47:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:47:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-07 07:47:26,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:47:26,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320859022] [2024-11-07 07:47:26,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320859022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:47:26,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:47:26,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:47:26,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21030808] [2024-11-07 07:47:26,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:47:26,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:47:26,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:47:26,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:47:26,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:47:26,719 INFO L87 Difference]: Start difference. First operand 117 states and 175 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-07 07:47:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:47:27,288 INFO L93 Difference]: Finished difference Result 140 states and 200 transitions. [2024-11-07 07:47:27,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:47:27,289 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147 [2024-11-07 07:47:27,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:47:27,291 INFO L225 Difference]: With dead ends: 140 [2024-11-07 07:47:27,293 INFO L226 Difference]: Without dead ends: 138 [2024-11-07 07:47:27,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:47:27,295 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 36 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:47:27,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 422 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:47:27,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-07 07:47:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120. [2024-11-07 07:47:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 07:47:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions. [2024-11-07 07:47:27,327 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 147 [2024-11-07 07:47:27,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:47:27,327 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 180 transitions. [2024-11-07 07:47:27,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-07 07:47:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions. [2024-11-07 07:47:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 07:47:27,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:47:27,330 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:47:27,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 07:47:27,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:47:27,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:47:27,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1909042887, now seen corresponding path program 1 times [2024-11-07 07:47:27,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:47:27,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308424646] [2024-11-07 07:47:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:47:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:47:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:47:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:47:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:47:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:47:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:47:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:47:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:47:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:47:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:47:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:47:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:47:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:47:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:47:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:47:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:47:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:47:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:47:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:47:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:47:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:47:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:47:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:47:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:47:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-07 07:47:29,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:47:29,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308424646] [2024-11-07 07:47:29,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308424646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 07:47:29,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 07:47:29,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 07:47:29,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286940755] [2024-11-07 07:47:29,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 07:47:29,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 07:47:29,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 07:47:29,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 07:47:29,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 07:47:29,217 INFO L87 Difference]: Start difference. First operand 120 states and 180 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-07 07:47:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 07:47:29,843 INFO L93 Difference]: Finished difference Result 140 states and 200 transitions. [2024-11-07 07:47:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 07:47:29,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147 [2024-11-07 07:47:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 07:47:29,845 INFO L225 Difference]: With dead ends: 140 [2024-11-07 07:47:29,846 INFO L226 Difference]: Without dead ends: 138 [2024-11-07 07:47:29,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-07 07:47:29,847 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 59 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 07:47:29,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 364 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 07:47:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-07 07:47:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120. [2024-11-07 07:47:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 07:47:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions. [2024-11-07 07:47:29,880 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 147 [2024-11-07 07:47:29,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 07:47:29,881 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 180 transitions. [2024-11-07 07:47:29,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-07 07:47:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions. [2024-11-07 07:47:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-07 07:47:29,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 07:47:29,887 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 07:47:29,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 07:47:29,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 07:47:29,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 07:47:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1488543230, now seen corresponding path program 1 times [2024-11-07 07:47:29,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 07:47:29,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81215965] [2024-11-07 07:47:29,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 07:47:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 07:47:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 07:47:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 07:47:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 07:47:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 07:47:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 07:47:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 07:47:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 07:47:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 07:47:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 07:47:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 07:47:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 07:47:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 07:47:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 07:47:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 07:47:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 07:47:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 07:47:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 07:47:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 07:47:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 07:47:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 07:47:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 07:47:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 07:47:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 07:47:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 07:47:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 07:47:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 07:47:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 07:47:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 07:47:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 07:47:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 07:47:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-07 07:47:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 07:47:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 07:47:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 07:47:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 07:47:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 07:47:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-07 07:47:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 07:47:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 07:47:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 07:47:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 07:47:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 07:47:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 07:47:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 07:47:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-07 07:47:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 07:47:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-07 07:47:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4558 backedges. 42 proven. 4 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-07 07:47:33,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 07:47:33,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81215965] [2024-11-07 07:47:33,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81215965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 07:47:33,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191881877] [2024-11-07 07:47:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 07:47:33,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 07:47:33,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 07:47:33,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 07:47:33,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 07:47:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 07:47:33,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 07:47:33,371 INFO L278 TraceCheckSpWp]: Computing forward predicates...