./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070'] 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/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 01:46:24,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 01:46:24,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 01:46:24,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 01:46:24,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 01:46:24,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 01:46:24,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 01:46:24,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 01:46:24,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 01:46:24,943 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 01:46:24,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 01:46:24,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 01:46:24,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 01:46:24,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 01:46:24,944 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 01:46:24,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 01:46:24,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 01:46:24,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 01:46:24,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:46:24,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 01:46:24,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 01:46:24,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 01:46:24,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 01:46:24,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 01:46:24,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 01:46:24,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 01:46:24,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 01:46:24,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 01:46:24,948 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 -> 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 [2024-11-07 01:46:25,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 01:46:25,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 01:46:25,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 01:46:25,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 01:46:25,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 01:46:25,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2024-11-07 01:46:26,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 01:46:26,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 01:46:26,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2024-11-07 01:46:26,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f69c865cb/972889f775044ff397d0652eef5a6fcd/FLAG2242a8631 [2024-11-07 01:46:26,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f69c865cb/972889f775044ff397d0652eef5a6fcd [2024-11-07 01:46:26,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 01:46:26,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 01:46:26,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 01:46:26,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 01:46:26,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 01:46:26,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:26,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4795aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26, skipping insertion in model container [2024-11-07 01:46:26,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:26,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 01:46:26,719 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/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[914,927] [2024-11-07 01:46:26,779 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/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[7115,7128] [2024-11-07 01:46:26,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:46:26,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 01:46:26,900 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/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[914,927] [2024-11-07 01:46:26,911 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/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[7115,7128] [2024-11-07 01:46:26,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 01:46:26,964 INFO L204 MainTranslator]: Completed translation [2024-11-07 01:46:26,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26 WrapperNode [2024-11-07 01:46:26,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 01:46:26,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 01:46:26,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 01:46:26,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 01:46:26,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:26,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,022 INFO L138 Inliner]: procedures = 79, calls = 96, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1128 [2024-11-07 01:46:27,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 01:46:27,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 01:46:27,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 01:46:27,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 01:46:27,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,054 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 01:46:27,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 01:46:27,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 01:46:27,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 01:46:27,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 01:46:27,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (1/1) ... [2024-11-07 01:46:27,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 01:46:27,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:46:27,136 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 01:46:27,139 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 01:46:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 01:46:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 01:46:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-07 01:46:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-07 01:46:27,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 01:46:27,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 01:46:28,111 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-07 01:46:28,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 01:46:28,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 01:46:28,128 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-07 01:46:28,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:28 BoogieIcfgContainer [2024-11-07 01:46:28,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 01:46:28,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 01:46:28,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 01:46:28,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 01:46:28,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:46:26" (1/3) ... [2024-11-07 01:46:28,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:46:28, skipping insertion in model container [2024-11-07 01:46:28,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:26" (2/3) ... [2024-11-07 01:46:28,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:46:28, skipping insertion in model container [2024-11-07 01:46:28,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:46:28" (3/3) ... [2024-11-07 01:46:28,134 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2024-11-07 01:46:28,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 01:46:28,144 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 01:46:28,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 01:46:28,208 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;@5f2bcdc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 01:46:28,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 01:46:28,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 522 states, 464 states have (on average 1.625) internal successors, (754), 470 states have internal predecessors, (754), 41 states have call successors, (41), 14 states have call predecessors, (41), 14 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-07 01:46:28,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:46:28,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:28,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:28,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:28,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:28,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1203630818, now seen corresponding path program 1 times [2024-11-07 01:46:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172426516] [2024-11-07 01:46:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:28,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:28,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172426516] [2024-11-07 01:46:28,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172426516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:28,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:28,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:46:28,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554877222] [2024-11-07 01:46:28,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:28,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:46:28,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:28,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:46:28,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:46:28,696 INFO L87 Difference]: Start difference. First operand has 522 states, 464 states have (on average 1.625) internal successors, (754), 470 states have internal predecessors, (754), 41 states have call successors, (41), 14 states have call predecessors, (41), 14 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 01:46:29,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:29,920 INFO L93 Difference]: Finished difference Result 1150 states and 1828 transitions. [2024-11-07 01:46:29,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:46:29,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 65 [2024-11-07 01:46:29,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:29,934 INFO L225 Difference]: With dead ends: 1150 [2024-11-07 01:46:29,935 INFO L226 Difference]: Without dead ends: 647 [2024-11-07 01:46:29,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:46:29,943 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 1276 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 2386 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:29,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 2386 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 01:46:29,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-07 01:46:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 608. [2024-11-07 01:46:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 532 states have (on average 1.5169172932330828) internal successors, (807), 538 states have internal predecessors, (807), 52 states have call successors, (52), 21 states have call predecessors, (52), 22 states have return successors, (55), 51 states have call predecessors, (55), 50 states have call successors, (55) [2024-11-07 01:46:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 914 transitions. [2024-11-07 01:46:30,023 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 914 transitions. Word has length 65 [2024-11-07 01:46:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:30,024 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 914 transitions. [2024-11-07 01:46:30,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 01:46:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 914 transitions. [2024-11-07 01:46:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:46:30,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:30,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:30,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 01:46:30,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:30,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:30,029 INFO L85 PathProgramCache]: Analyzing trace with hash -940393477, now seen corresponding path program 1 times [2024-11-07 01:46:30,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:30,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056872416] [2024-11-07 01:46:30,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:30,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:30,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:30,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056872416] [2024-11-07 01:46:30,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056872416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:30,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:30,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 01:46:30,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996029022] [2024-11-07 01:46:30,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:30,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 01:46:30,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:30,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 01:46:30,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 01:46:30,172 INFO L87 Difference]: Start difference. First operand 608 states and 914 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 01:46:31,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:31,235 INFO L93 Difference]: Finished difference Result 820 states and 1205 transitions. [2024-11-07 01:46:31,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 01:46:31,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2024-11-07 01:46:31,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:31,240 INFO L225 Difference]: With dead ends: 820 [2024-11-07 01:46:31,240 INFO L226 Difference]: Without dead ends: 643 [2024-11-07 01:46:31,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 01:46:31,241 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 1027 mSDsluCounter, 2315 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:31,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 2757 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 01:46:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-07 01:46:31,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 613. [2024-11-07 01:46:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 536 states have (on average 1.5111940298507462) internal successors, (810), 542 states have internal predecessors, (810), 52 states have call successors, (52), 21 states have call predecessors, (52), 23 states have return successors, (56), 52 states have call predecessors, (56), 50 states have call successors, (56) [2024-11-07 01:46:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 918 transitions. [2024-11-07 01:46:31,282 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 918 transitions. Word has length 65 [2024-11-07 01:46:31,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:31,282 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 918 transitions. [2024-11-07 01:46:31,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 01:46:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 918 transitions. [2024-11-07 01:46:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:46:31,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:31,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:31,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 01:46:31,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:31,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:31,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1969752775, now seen corresponding path program 1 times [2024-11-07 01:46:31,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:31,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349048059] [2024-11-07 01:46:31,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:31,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:31,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349048059] [2024-11-07 01:46:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349048059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:31,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:31,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 01:46:31,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885363362] [2024-11-07 01:46:31,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:31,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 01:46:31,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:31,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 01:46:31,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 01:46:31,486 INFO L87 Difference]: Start difference. First operand 613 states and 918 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-07 01:46:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:33,200 INFO L93 Difference]: Finished difference Result 1787 states and 2510 transitions. [2024-11-07 01:46:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 01:46:33,202 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 65 [2024-11-07 01:46:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:33,212 INFO L225 Difference]: With dead ends: 1787 [2024-11-07 01:46:33,213 INFO L226 Difference]: Without dead ends: 1605 [2024-11-07 01:46:33,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 01:46:33,214 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 2825 mSDsluCounter, 2189 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2841 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 2461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:33,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2841 Valid, 2751 Invalid, 2461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 01:46:33,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2024-11-07 01:46:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1363. [2024-11-07 01:46:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1129 states have (on average 1.4136403897254208) internal successors, (1596), 1145 states have internal predecessors, (1596), 130 states have call successors, (130), 89 states have call predecessors, (130), 102 states have return successors, (169), 131 states have call predecessors, (169), 128 states have call successors, (169) [2024-11-07 01:46:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1895 transitions. [2024-11-07 01:46:33,313 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1895 transitions. Word has length 65 [2024-11-07 01:46:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:33,314 INFO L471 AbstractCegarLoop]: Abstraction has 1363 states and 1895 transitions. [2024-11-07 01:46:33,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-07 01:46:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1895 transitions. [2024-11-07 01:46:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:46:33,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:33,317 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:33,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 01:46:33,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:33,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash -918303686, now seen corresponding path program 1 times [2024-11-07 01:46:33,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:33,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027598094] [2024-11-07 01:46:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:33,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:33,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:33,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027598094] [2024-11-07 01:46:33,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027598094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:33,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:33,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 01:46:33,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885946273] [2024-11-07 01:46:33,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:33,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 01:46:33,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:33,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 01:46:33,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 01:46:33,451 INFO L87 Difference]: Start difference. First operand 1363 states and 1895 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 01:46:34,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:34,475 INFO L93 Difference]: Finished difference Result 2489 states and 3382 transitions. [2024-11-07 01:46:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 01:46:34,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2024-11-07 01:46:34,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:34,483 INFO L225 Difference]: With dead ends: 2489 [2024-11-07 01:46:34,483 INFO L226 Difference]: Without dead ends: 1557 [2024-11-07 01:46:34,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-07 01:46:34,489 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 690 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 3114 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:34,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 3114 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 01:46:34,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-07 01:46:34,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1393. [2024-11-07 01:46:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1153 states have (on average 1.3998265394622724) internal successors, (1614), 1169 states have internal predecessors, (1614), 130 states have call successors, (130), 89 states have call predecessors, (130), 108 states have return successors, (177), 137 states have call predecessors, (177), 128 states have call successors, (177) [2024-11-07 01:46:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1921 transitions. [2024-11-07 01:46:34,553 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1921 transitions. Word has length 65 [2024-11-07 01:46:34,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:34,553 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1921 transitions. [2024-11-07 01:46:34,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 01:46:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1921 transitions. [2024-11-07 01:46:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:46:34,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:34,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:34,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 01:46:34,555 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:34,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash 467899708, now seen corresponding path program 1 times [2024-11-07 01:46:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102033861] [2024-11-07 01:46:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:34,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:34,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:34,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102033861] [2024-11-07 01:46:34,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102033861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:34,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:34,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:46:34,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908608978] [2024-11-07 01:46:34,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:34,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:46:34,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:46:34,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:46:34,708 INFO L87 Difference]: Start difference. First operand 1393 states and 1921 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 01:46:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:35,725 INFO L93 Difference]: Finished difference Result 3052 states and 4074 transitions. [2024-11-07 01:46:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 01:46:35,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 65 [2024-11-07 01:46:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:35,733 INFO L225 Difference]: With dead ends: 3052 [2024-11-07 01:46:35,733 INFO L226 Difference]: Without dead ends: 2092 [2024-11-07 01:46:35,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-07 01:46:35,736 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 1541 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:35,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 2272 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 01:46:35,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2024-11-07 01:46:35,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 1884. [2024-11-07 01:46:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1884 states, 1540 states have (on average 1.3694805194805195) internal successors, (2109), 1568 states have internal predecessors, (2109), 180 states have call successors, (180), 130 states have call predecessors, (180), 162 states have return successors, (271), 189 states have call predecessors, (271), 178 states have call successors, (271) [2024-11-07 01:46:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2560 transitions. [2024-11-07 01:46:35,818 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2560 transitions. Word has length 65 [2024-11-07 01:46:35,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:35,818 INFO L471 AbstractCegarLoop]: Abstraction has 1884 states and 2560 transitions. [2024-11-07 01:46:35,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 01:46:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2560 transitions. [2024-11-07 01:46:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 01:46:35,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:35,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:35,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 01:46:35,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:35,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:35,820 INFO L85 PathProgramCache]: Analyzing trace with hash 333886202, now seen corresponding path program 1 times [2024-11-07 01:46:35,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:35,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463958136] [2024-11-07 01:46:35,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:35,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:35,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:35,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463958136] [2024-11-07 01:46:35,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463958136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:35,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:35,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:46:35,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174785425] [2024-11-07 01:46:35,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:35,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:46:35,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:35,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:46:35,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:46:35,906 INFO L87 Difference]: Start difference. First operand 1884 states and 2560 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 01:46:36,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:36,644 INFO L93 Difference]: Finished difference Result 4959 states and 6563 transitions. [2024-11-07 01:46:36,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 01:46:36,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 65 [2024-11-07 01:46:36,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:36,659 INFO L225 Difference]: With dead ends: 4959 [2024-11-07 01:46:36,659 INFO L226 Difference]: Without dead ends: 3515 [2024-11-07 01:46:36,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-07 01:46:36,663 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 1883 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:36,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 1529 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 01:46:36,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2024-11-07 01:46:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3267. [2024-11-07 01:46:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3267 states, 2612 states have (on average 1.3162327718223583) internal successors, (3438), 2667 states have internal predecessors, (3438), 332 states have call successors, (332), 253 states have call predecessors, (332), 321 states have return successors, (557), 353 states have call predecessors, (557), 330 states have call successors, (557) [2024-11-07 01:46:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 3267 states and 4327 transitions. [2024-11-07 01:46:36,830 INFO L78 Accepts]: Start accepts. Automaton has 3267 states and 4327 transitions. Word has length 65 [2024-11-07 01:46:36,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:36,831 INFO L471 AbstractCegarLoop]: Abstraction has 3267 states and 4327 transitions. [2024-11-07 01:46:36,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 01:46:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 4327 transitions. [2024-11-07 01:46:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 01:46:36,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:36,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:36,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 01:46:36,835 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:36,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1851984349, now seen corresponding path program 1 times [2024-11-07 01:46:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:36,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948085799] [2024-11-07 01:46:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:36,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:36,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948085799] [2024-11-07 01:46:36,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948085799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:36,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:36,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:46:36,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602857501] [2024-11-07 01:46:36,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:36,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:46:36,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:36,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:46:36,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:46:36,902 INFO L87 Difference]: Start difference. First operand 3267 states and 4327 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 01:46:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:37,842 INFO L93 Difference]: Finished difference Result 8289 states and 10889 transitions. [2024-11-07 01:46:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 01:46:37,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2024-11-07 01:46:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:37,862 INFO L225 Difference]: With dead ends: 8289 [2024-11-07 01:46:37,863 INFO L226 Difference]: Without dead ends: 5441 [2024-11-07 01:46:37,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:46:37,870 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 1246 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:37,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 1550 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 01:46:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5441 states. [2024-11-07 01:46:38,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5441 to 4961. [2024-11-07 01:46:38,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4961 states, 3903 states have (on average 1.29387650525237) internal successors, (5050), 3971 states have internal predecessors, (5050), 530 states have call successors, (530), 427 states have call predecessors, (530), 526 states have return successors, (892), 569 states have call predecessors, (892), 528 states have call successors, (892) [2024-11-07 01:46:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4961 states to 4961 states and 6472 transitions. [2024-11-07 01:46:38,100 INFO L78 Accepts]: Start accepts. Automaton has 4961 states and 6472 transitions. Word has length 66 [2024-11-07 01:46:38,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:38,101 INFO L471 AbstractCegarLoop]: Abstraction has 4961 states and 6472 transitions. [2024-11-07 01:46:38,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 01:46:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4961 states and 6472 transitions. [2024-11-07 01:46:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-07 01:46:38,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:38,105 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:38,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 01:46:38,105 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:38,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:38,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1089761896, now seen corresponding path program 1 times [2024-11-07 01:46:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:38,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575583082] [2024-11-07 01:46:38,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:38,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:38,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575583082] [2024-11-07 01:46:38,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575583082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:38,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:38,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:46:38,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201794589] [2024-11-07 01:46:38,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:38,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:46:38,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:38,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:46:38,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:46:38,184 INFO L87 Difference]: Start difference. First operand 4961 states and 6472 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 01:46:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:39,004 INFO L93 Difference]: Finished difference Result 6555 states and 8452 transitions. [2024-11-07 01:46:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 01:46:39,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2024-11-07 01:46:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:39,031 INFO L225 Difference]: With dead ends: 6555 [2024-11-07 01:46:39,031 INFO L226 Difference]: Without dead ends: 6552 [2024-11-07 01:46:39,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-07 01:46:39,034 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 2255 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:39,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 1573 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 01:46:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6552 states. [2024-11-07 01:46:39,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6552 to 6027. [2024-11-07 01:46:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6027 states, 4712 states have (on average 1.2801358234295417) internal successors, (6032), 4795 states have internal predecessors, (6032), 656 states have call successors, (656), 541 states have call predecessors, (656), 657 states have return successors, (1097), 697 states have call predecessors, (1097), 655 states have call successors, (1097) [2024-11-07 01:46:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6027 states to 6027 states and 7785 transitions. [2024-11-07 01:46:39,450 INFO L78 Accepts]: Start accepts. Automaton has 6027 states and 7785 transitions. Word has length 73 [2024-11-07 01:46:39,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:39,450 INFO L471 AbstractCegarLoop]: Abstraction has 6027 states and 7785 transitions. [2024-11-07 01:46:39,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 01:46:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 7785 transitions. [2024-11-07 01:46:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 01:46:39,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:39,452 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:39,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 01:46:39,453 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:39,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash 575598988, now seen corresponding path program 1 times [2024-11-07 01:46:39,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:39,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726972794] [2024-11-07 01:46:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:39,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:39,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:39,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726972794] [2024-11-07 01:46:39,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726972794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:46:39,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964368383] [2024-11-07 01:46:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:39,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:39,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:46:39,575 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 01:46:39,576 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 01:46:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:39,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 01:46:39,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:46:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:39,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 01:46:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:39,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964368383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 01:46:39,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 01:46:39,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 4] total 10 [2024-11-07 01:46:39,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040157362] [2024-11-07 01:46:39,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 01:46:39,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 01:46:39,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:39,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 01:46:39,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 01:46:39,963 INFO L87 Difference]: Start difference. First operand 6027 states and 7785 transitions. Second operand has 10 states, 10 states have (on average 12.0) internal successors, (120), 7 states have internal predecessors, (120), 4 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-07 01:46:41,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:41,697 INFO L93 Difference]: Finished difference Result 13625 states and 17319 transitions. [2024-11-07 01:46:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 01:46:41,698 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 7 states have internal predecessors, (120), 4 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 74 [2024-11-07 01:46:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:41,742 INFO L225 Difference]: With dead ends: 13625 [2024-11-07 01:46:41,743 INFO L226 Difference]: Without dead ends: 13622 [2024-11-07 01:46:41,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=170, Invalid=642, Unknown=0, NotChecked=0, Total=812 [2024-11-07 01:46:41,749 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 3155 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:41,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 2224 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 01:46:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13622 states. [2024-11-07 01:46:42,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13622 to 11325. [2024-11-07 01:46:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11325 states, 8824 states have (on average 1.2671124206708975) internal successors, (11181), 8979 states have internal predecessors, (11181), 1222 states have call successors, (1222), 1031 states have call predecessors, (1222), 1277 states have return successors, (2076), 1321 states have call predecessors, (2076), 1221 states have call successors, (2076) [2024-11-07 01:46:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11325 states to 11325 states and 14479 transitions. [2024-11-07 01:46:42,432 INFO L78 Accepts]: Start accepts. Automaton has 11325 states and 14479 transitions. Word has length 74 [2024-11-07 01:46:42,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:42,433 INFO L471 AbstractCegarLoop]: Abstraction has 11325 states and 14479 transitions. [2024-11-07 01:46:42,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 7 states have internal predecessors, (120), 4 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-07 01:46:42,433 INFO L276 IsEmpty]: Start isEmpty. Operand 11325 states and 14479 transitions. [2024-11-07 01:46:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 01:46:42,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:42,435 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:42,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 01:46:42,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:42,640 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:42,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:42,640 INFO L85 PathProgramCache]: Analyzing trace with hash 451749144, now seen corresponding path program 2 times [2024-11-07 01:46:42,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:42,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098018298] [2024-11-07 01:46:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:42,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:42,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:42,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098018298] [2024-11-07 01:46:42,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098018298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:42,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:42,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:46:42,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438714188] [2024-11-07 01:46:42,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:42,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:46:42,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:42,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:46:42,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:46:42,698 INFO L87 Difference]: Start difference. First operand 11325 states and 14479 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 01:46:43,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:43,768 INFO L93 Difference]: Finished difference Result 17860 states and 22871 transitions. [2024-11-07 01:46:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 01:46:43,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2024-11-07 01:46:43,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:43,791 INFO L225 Difference]: With dead ends: 17860 [2024-11-07 01:46:43,791 INFO L226 Difference]: Without dead ends: 7842 [2024-11-07 01:46:43,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 01:46:43,813 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 1411 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:43,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 1661 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 01:46:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7842 states. [2024-11-07 01:46:44,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7842 to 7354. [2024-11-07 01:46:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7354 states, 5759 states have (on average 1.2496961277999652) internal successors, (7197), 5858 states have internal predecessors, (7197), 789 states have call successors, (789), 655 states have call predecessors, (789), 804 states have return successors, (1271), 847 states have call predecessors, (1271), 788 states have call successors, (1271) [2024-11-07 01:46:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7354 states to 7354 states and 9257 transitions. [2024-11-07 01:46:44,494 INFO L78 Accepts]: Start accepts. Automaton has 7354 states and 9257 transitions. Word has length 77 [2024-11-07 01:46:44,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:44,494 INFO L471 AbstractCegarLoop]: Abstraction has 7354 states and 9257 transitions. [2024-11-07 01:46:44,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-07 01:46:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7354 states and 9257 transitions. [2024-11-07 01:46:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 01:46:44,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:44,498 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:44,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 01:46:44,498 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:44,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash 306488926, now seen corresponding path program 1 times [2024-11-07 01:46:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:44,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390050187] [2024-11-07 01:46:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 01:46:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 01:46:44,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:44,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390050187] [2024-11-07 01:46:44,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390050187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:44,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:44,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 01:46:44,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629296025] [2024-11-07 01:46:44,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:44,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 01:46:44,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:44,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 01:46:44,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:46:44,594 INFO L87 Difference]: Start difference. First operand 7354 states and 9257 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 01:46:46,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:46,162 INFO L93 Difference]: Finished difference Result 21232 states and 26608 transitions. [2024-11-07 01:46:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 01:46:46,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 84 [2024-11-07 01:46:46,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:46,202 INFO L225 Difference]: With dead ends: 21232 [2024-11-07 01:46:46,202 INFO L226 Difference]: Without dead ends: 14325 [2024-11-07 01:46:46,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-07 01:46:46,216 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 1118 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:46,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 2806 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 01:46:46,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14325 states. [2024-11-07 01:46:46,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14325 to 13586. [2024-11-07 01:46:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13586 states, 10463 states have (on average 1.2176240084105896) internal successors, (12740), 10696 states have internal predecessors, (12740), 1509 states have call successors, (1509), 1259 states have call predecessors, (1509), 1612 states have return successors, (2736), 1643 states have call predecessors, (2736), 1508 states have call successors, (2736) [2024-11-07 01:46:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13586 states to 13586 states and 16985 transitions. [2024-11-07 01:46:46,970 INFO L78 Accepts]: Start accepts. Automaton has 13586 states and 16985 transitions. Word has length 84 [2024-11-07 01:46:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:46,970 INFO L471 AbstractCegarLoop]: Abstraction has 13586 states and 16985 transitions. [2024-11-07 01:46:46,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 01:46:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 13586 states and 16985 transitions. [2024-11-07 01:46:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 01:46:46,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:46,976 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 01:46:46,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 01:46:46,976 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:46,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:46,977 INFO L85 PathProgramCache]: Analyzing trace with hash -25236298, now seen corresponding path program 1 times [2024-11-07 01:46:46,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:46,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388752607] [2024-11-07 01:46:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:46,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 01:46:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 01:46:47,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:47,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388752607] [2024-11-07 01:46:47,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388752607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:47,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:47,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 01:46:47,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644643880] [2024-11-07 01:46:47,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:47,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 01:46:47,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:47,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 01:46:47,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 01:46:47,097 INFO L87 Difference]: Start difference. First operand 13586 states and 16985 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 01:46:49,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:49,200 INFO L93 Difference]: Finished difference Result 24452 states and 30344 transitions. [2024-11-07 01:46:49,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 01:46:49,201 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2024-11-07 01:46:49,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:49,243 INFO L225 Difference]: With dead ends: 24452 [2024-11-07 01:46:49,243 INFO L226 Difference]: Without dead ends: 11939 [2024-11-07 01:46:49,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-11-07 01:46:49,268 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 2564 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2611 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:49,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2611 Valid, 2451 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1676 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 01:46:49,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11939 states. [2024-11-07 01:46:49,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11939 to 11089. [2024-11-07 01:46:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11089 states, 8594 states have (on average 1.2079357691412613) internal successors, (10381), 8759 states have internal predecessors, (10381), 1208 states have call successors, (1208), 1008 states have call predecessors, (1208), 1285 states have return successors, (1995), 1331 states have call predecessors, (1995), 1207 states have call successors, (1995) [2024-11-07 01:46:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11089 states to 11089 states and 13584 transitions. [2024-11-07 01:46:49,953 INFO L78 Accepts]: Start accepts. Automaton has 11089 states and 13584 transitions. Word has length 93 [2024-11-07 01:46:49,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:49,954 INFO L471 AbstractCegarLoop]: Abstraction has 11089 states and 13584 transitions. [2024-11-07 01:46:49,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 01:46:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11089 states and 13584 transitions. [2024-11-07 01:46:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 01:46:49,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:49,963 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:49,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 01:46:49,963 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:49,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:49,963 INFO L85 PathProgramCache]: Analyzing trace with hash 909382032, now seen corresponding path program 1 times [2024-11-07 01:46:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:49,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754544390] [2024-11-07 01:46:49,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 01:46:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 01:46:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 01:46:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 01:46:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 01:46:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 01:46:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 01:46:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-07 01:46:50,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:50,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754544390] [2024-11-07 01:46:50,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754544390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:46:50,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986351328] [2024-11-07 01:46:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:50,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:50,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:46:50,082 INFO L229 MonitoredProcess]: Starting monitored process 3 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 01:46:50,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 01:46:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:50,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 01:46:50,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:46:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 01:46:50,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 01:46:50,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986351328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:50,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 01:46:50,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-11-07 01:46:50,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34387053] [2024-11-07 01:46:50,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:50,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:46:50,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:50,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:46:50,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 01:46:50,228 INFO L87 Difference]: Start difference. First operand 11089 states and 13584 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 01:46:50,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:50,542 INFO L93 Difference]: Finished difference Result 16050 states and 19517 transitions. [2024-11-07 01:46:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 01:46:50,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 145 [2024-11-07 01:46:50,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:50,562 INFO L225 Difference]: With dead ends: 16050 [2024-11-07 01:46:50,562 INFO L226 Difference]: Without dead ends: 5418 [2024-11-07 01:46:50,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 01:46:50,579 INFO L432 NwaCegarLoop]: 777 mSDtfsCounter, 0 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3876 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:50,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3876 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:46:50,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2024-11-07 01:46:50,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 5262. [2024-11-07 01:46:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5262 states, 4203 states have (on average 1.2088984059005472) internal successors, (5081), 4253 states have internal predecessors, (5081), 516 states have call successors, (516), 414 states have call predecessors, (516), 541 states have return successors, (809), 595 states have call predecessors, (809), 515 states have call successors, (809) [2024-11-07 01:46:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5262 states to 5262 states and 6406 transitions. [2024-11-07 01:46:50,837 INFO L78 Accepts]: Start accepts. Automaton has 5262 states and 6406 transitions. Word has length 145 [2024-11-07 01:46:50,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:50,838 INFO L471 AbstractCegarLoop]: Abstraction has 5262 states and 6406 transitions. [2024-11-07 01:46:50,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 01:46:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5262 states and 6406 transitions. [2024-11-07 01:46:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 01:46:50,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:50,845 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:50,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 01:46:51,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:51,046 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:51,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:51,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1577701308, now seen corresponding path program 1 times [2024-11-07 01:46:51,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:51,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878389613] [2024-11-07 01:46:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:51,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 01:46:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 01:46:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 01:46:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 01:46:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 01:46:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 01:46:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 01:46:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-07 01:46:51,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:51,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878389613] [2024-11-07 01:46:51,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878389613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:51,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:51,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:46:51,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716416832] [2024-11-07 01:46:51,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:51,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:46:51,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:51,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:46:51,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:46:51,127 INFO L87 Difference]: Start difference. First operand 5262 states and 6406 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 01:46:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:51,938 INFO L93 Difference]: Finished difference Result 5800 states and 7016 transitions. [2024-11-07 01:46:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:46:51,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 147 [2024-11-07 01:46:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:51,955 INFO L225 Difference]: With dead ends: 5800 [2024-11-07 01:46:51,955 INFO L226 Difference]: Without dead ends: 5018 [2024-11-07 01:46:51,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 01:46:51,958 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 800 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:51,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1831 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 01:46:51,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5018 states. [2024-11-07 01:46:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5018 to 4806. [2024-11-07 01:46:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 3853 states have (on average 1.2138593303919025) internal successors, (4677), 3898 states have internal predecessors, (4677), 466 states have call successors, (466), 370 states have call predecessors, (466), 485 states have return successors, (738), 538 states have call predecessors, (738), 465 states have call successors, (738) [2024-11-07 01:46:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 5881 transitions. [2024-11-07 01:46:52,262 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 5881 transitions. Word has length 147 [2024-11-07 01:46:52,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:52,263 INFO L471 AbstractCegarLoop]: Abstraction has 4806 states and 5881 transitions. [2024-11-07 01:46:52,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 01:46:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 5881 transitions. [2024-11-07 01:46:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-07 01:46:52,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:52,271 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:52,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 01:46:52,271 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:52,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:52,271 INFO L85 PathProgramCache]: Analyzing trace with hash 330615963, now seen corresponding path program 1 times [2024-11-07 01:46:52,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:52,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188049326] [2024-11-07 01:46:52,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:52,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 01:46:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 01:46:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 01:46:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:46:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 01:46:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 01:46:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 01:46:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 01:46:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 01:46:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 01:46:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 01:46:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 01:46:52,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:52,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188049326] [2024-11-07 01:46:52,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188049326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:46:52,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874089705] [2024-11-07 01:46:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:46:52,378 INFO L229 MonitoredProcess]: Starting monitored process 4 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 01:46:52,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 01:46:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:52,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 01:46:52,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:46:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-07 01:46:52,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 01:46:52,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874089705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:52,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 01:46:52,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-07 01:46:52,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591688488] [2024-11-07 01:46:52,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:52,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 01:46:52,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:52,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 01:46:52,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:46:52,615 INFO L87 Difference]: Start difference. First operand 4806 states and 5881 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 01:46:52,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:52,805 INFO L93 Difference]: Finished difference Result 6650 states and 8057 transitions. [2024-11-07 01:46:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 01:46:52,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 158 [2024-11-07 01:46:52,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:52,818 INFO L225 Difference]: With dead ends: 6650 [2024-11-07 01:46:52,819 INFO L226 Difference]: Without dead ends: 2565 [2024-11-07 01:46:52,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 01:46:52,826 INFO L432 NwaCegarLoop]: 775 mSDtfsCounter, 687 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:52,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 880 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 01:46:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2024-11-07 01:46:52,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2565. [2024-11-07 01:46:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2095 states have (on average 1.2353221957040572) internal successors, (2588), 2119 states have internal predecessors, (2588), 233 states have call successors, (233), 178 states have call predecessors, (233), 235 states have return successors, (343), 268 states have call predecessors, (343), 232 states have call successors, (343) [2024-11-07 01:46:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3164 transitions. [2024-11-07 01:46:52,959 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3164 transitions. Word has length 158 [2024-11-07 01:46:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:52,959 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3164 transitions. [2024-11-07 01:46:52,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 01:46:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3164 transitions. [2024-11-07 01:46:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 01:46:52,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:52,962 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:52,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 01:46:53,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:53,167 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:53,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:53,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1087569844, now seen corresponding path program 1 times [2024-11-07 01:46:53,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717058200] [2024-11-07 01:46:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:53,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 01:46:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 01:46:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 01:46:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 01:46:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 01:46:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-07 01:46:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 01:46:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 01:46:53,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:53,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717058200] [2024-11-07 01:46:53,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717058200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:53,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:53,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:46:53,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252248943] [2024-11-07 01:46:53,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:53,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:46:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:53,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:46:53,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:46:53,253 INFO L87 Difference]: Start difference. First operand 2565 states and 3164 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 01:46:54,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:54,054 INFO L93 Difference]: Finished difference Result 4431 states and 5376 transitions. [2024-11-07 01:46:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 01:46:54,055 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 159 [2024-11-07 01:46:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:54,063 INFO L225 Difference]: With dead ends: 4431 [2024-11-07 01:46:54,063 INFO L226 Difference]: Without dead ends: 2662 [2024-11-07 01:46:54,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:46:54,065 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 720 mSDsluCounter, 1891 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:54,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 2351 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 01:46:54,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2024-11-07 01:46:54,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2116. [2024-11-07 01:46:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2116 states, 1742 states have (on average 1.2531572904707233) internal successors, (2183), 1761 states have internal predecessors, (2183), 189 states have call successors, (189), 142 states have call predecessors, (189), 183 states have return successors, (267), 213 states have call predecessors, (267), 188 states have call successors, (267) [2024-11-07 01:46:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2639 transitions. [2024-11-07 01:46:54,261 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2639 transitions. Word has length 159 [2024-11-07 01:46:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:54,261 INFO L471 AbstractCegarLoop]: Abstraction has 2116 states and 2639 transitions. [2024-11-07 01:46:54,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 01:46:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2639 transitions. [2024-11-07 01:46:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 01:46:54,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:54,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:54,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 01:46:54,265 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:54,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:54,265 INFO L85 PathProgramCache]: Analyzing trace with hash 652410719, now seen corresponding path program 1 times [2024-11-07 01:46:54,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:54,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736559734] [2024-11-07 01:46:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 01:46:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 01:46:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 01:46:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 01:46:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 01:46:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 01:46:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 01:46:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 01:46:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 01:46:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 01:46:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 01:46:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-07 01:46:54,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736559734] [2024-11-07 01:46:54,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736559734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:46:54,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227666166] [2024-11-07 01:46:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:54,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:54,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:46:54,503 INFO L229 MonitoredProcess]: Starting monitored process 5 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 01:46:54,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 01:46:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:54,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 01:46:54,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:46:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-07 01:46:54,762 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 01:46:54,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227666166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:54,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 01:46:54,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-07 01:46:54,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372038136] [2024-11-07 01:46:54,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:54,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 01:46:54,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:54,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 01:46:54,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:46:54,763 INFO L87 Difference]: Start difference. First operand 2116 states and 2639 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 01:46:55,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:55,462 INFO L93 Difference]: Finished difference Result 4714 states and 5758 transitions. [2024-11-07 01:46:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 01:46:55,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 162 [2024-11-07 01:46:55,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:55,473 INFO L225 Difference]: With dead ends: 4714 [2024-11-07 01:46:55,473 INFO L226 Difference]: Without dead ends: 2940 [2024-11-07 01:46:55,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 01:46:55,477 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 399 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:55,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1198 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 01:46:55,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2024-11-07 01:46:55,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2910. [2024-11-07 01:46:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2910 states, 2401 states have (on average 1.213244481466056) internal successors, (2913), 2425 states have internal predecessors, (2913), 255 states have call successors, (255), 190 states have call predecessors, (255), 252 states have return successors, (374), 295 states have call predecessors, (374), 254 states have call successors, (374) [2024-11-07 01:46:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3542 transitions. [2024-11-07 01:46:55,685 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3542 transitions. Word has length 162 [2024-11-07 01:46:55,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:55,685 INFO L471 AbstractCegarLoop]: Abstraction has 2910 states and 3542 transitions. [2024-11-07 01:46:55,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 01:46:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3542 transitions. [2024-11-07 01:46:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-07 01:46:55,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:55,689 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:55,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 01:46:55,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 01:46:55,893 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:55,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:55,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1562959688, now seen corresponding path program 1 times [2024-11-07 01:46:55,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:55,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906810624] [2024-11-07 01:46:55,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:55,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 01:46:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 01:46:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 01:46:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 01:46:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 01:46:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 01:46:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 01:46:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 01:46:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 01:46:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 01:46:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 01:46:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 01:46:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 01:46:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 01:46:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-07 01:46:55,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:55,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906810624] [2024-11-07 01:46:55,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906810624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 01:46:55,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132348825] [2024-11-07 01:46:55,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:55,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 01:46:55,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 01:46:55,984 INFO L229 MonitoredProcess]: Starting monitored process 6 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 01:46:55,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 01:46:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:56,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 01:46:56,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 01:46:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-07 01:46:56,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 01:46:56,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132348825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:56,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 01:46:56,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-07 01:46:56,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733647546] [2024-11-07 01:46:56,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:56,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:46:56,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:56,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:46:56,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 01:46:56,136 INFO L87 Difference]: Start difference. First operand 2910 states and 3542 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 01:46:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:56,680 INFO L93 Difference]: Finished difference Result 5293 states and 6313 transitions. [2024-11-07 01:46:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:46:56,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 179 [2024-11-07 01:46:56,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:56,691 INFO L225 Difference]: With dead ends: 5293 [2024-11-07 01:46:56,691 INFO L226 Difference]: Without dead ends: 2649 [2024-11-07 01:46:56,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-07 01:46:56,694 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 1060 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:56,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 1174 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 01:46:56,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2024-11-07 01:46:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 2475. [2024-11-07 01:46:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2062 states have (on average 1.2216294859359844) internal successors, (2519), 2081 states have internal predecessors, (2519), 208 states have call successors, (208), 149 states have call predecessors, (208), 203 states have return successors, (293), 245 states have call predecessors, (293), 207 states have call successors, (293) [2024-11-07 01:46:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3020 transitions. [2024-11-07 01:46:56,838 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3020 transitions. Word has length 179 [2024-11-07 01:46:56,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:56,838 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 3020 transitions. [2024-11-07 01:46:56,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 01:46:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3020 transitions. [2024-11-07 01:46:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:46:56,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:56,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:56,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 01:46:57,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 01:46:57,045 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:57,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash -40286645, now seen corresponding path program 1 times [2024-11-07 01:46:57,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:57,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435731795] [2024-11-07 01:46:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:57,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:46:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:57,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:46:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:57,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:46:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:57,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:46:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:57,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:57,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435731795] [2024-11-07 01:46:57,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435731795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:57,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:57,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:46:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399971737] [2024-11-07 01:46:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:57,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:46:57,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:57,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:46:57,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:46:57,202 INFO L87 Difference]: Start difference. First operand 2475 states and 3020 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:46:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:46:58,991 INFO L93 Difference]: Finished difference Result 3038 states and 3926 transitions. [2024-11-07 01:46:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:46:58,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:46:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:46:59,001 INFO L225 Difference]: With dead ends: 3038 [2024-11-07 01:46:59,001 INFO L226 Difference]: Without dead ends: 2628 [2024-11-07 01:46:59,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 01:46:59,002 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 1225 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:46:59,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 1062 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:46:59,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2024-11-07 01:46:59,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2475. [2024-11-07 01:46:59,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2062 states have (on average 1.2211445198836082) internal successors, (2518), 2081 states have internal predecessors, (2518), 208 states have call successors, (208), 149 states have call predecessors, (208), 203 states have return successors, (293), 245 states have call predecessors, (293), 207 states have call successors, (293) [2024-11-07 01:46:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3019 transitions. [2024-11-07 01:46:59,251 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3019 transitions. Word has length 189 [2024-11-07 01:46:59,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:46:59,251 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 3019 transitions. [2024-11-07 01:46:59,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:46:59,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3019 transitions. [2024-11-07 01:46:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:46:59,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:46:59,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:46:59,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 01:46:59,253 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:46:59,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:46:59,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1797913783, now seen corresponding path program 1 times [2024-11-07 01:46:59,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:46:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129824272] [2024-11-07 01:46:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:46:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:46:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:59,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:46:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:46:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:46:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:59,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:46:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:46:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:46:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:46:59,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:46:59,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129824272] [2024-11-07 01:46:59,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129824272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:46:59,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:46:59,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 01:46:59,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000997270] [2024-11-07 01:46:59,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:46:59,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 01:46:59,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:46:59,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 01:46:59,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 01:46:59,406 INFO L87 Difference]: Start difference. First operand 2475 states and 3019 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:01,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:01,185 INFO L93 Difference]: Finished difference Result 3030 states and 3909 transitions. [2024-11-07 01:47:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:01,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:01,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:01,193 INFO L225 Difference]: With dead ends: 3030 [2024-11-07 01:47:01,193 INFO L226 Difference]: Without dead ends: 2628 [2024-11-07 01:47:01,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 01:47:01,194 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 1216 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:01,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 1060 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:47:01,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2024-11-07 01:47:01,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2475. [2024-11-07 01:47:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2062 states have (on average 1.2206595538312317) internal successors, (2517), 2081 states have internal predecessors, (2517), 208 states have call successors, (208), 149 states have call predecessors, (208), 203 states have return successors, (293), 245 states have call predecessors, (293), 207 states have call successors, (293) [2024-11-07 01:47:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3018 transitions. [2024-11-07 01:47:01,434 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3018 transitions. Word has length 189 [2024-11-07 01:47:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:01,434 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 3018 transitions. [2024-11-07 01:47:01,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3018 transitions. [2024-11-07 01:47:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:01,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:01,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:01,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 01:47:01,436 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:01,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:01,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1969659463, now seen corresponding path program 1 times [2024-11-07 01:47:01,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:01,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392285324] [2024-11-07 01:47:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:01,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:01,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:01,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:01,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392285324] [2024-11-07 01:47:01,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392285324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:01,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:01,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 01:47:01,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633411393] [2024-11-07 01:47:01,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:01,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 01:47:01,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:01,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 01:47:01,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 01:47:01,630 INFO L87 Difference]: Start difference. First operand 2475 states and 3018 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:04,120 INFO L93 Difference]: Finished difference Result 3591 states and 4813 transitions. [2024-11-07 01:47:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 01:47:04,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:04,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:04,129 INFO L225 Difference]: With dead ends: 3591 [2024-11-07 01:47:04,129 INFO L226 Difference]: Without dead ends: 3196 [2024-11-07 01:47:04,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:04,130 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 1904 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 2739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:04,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 1626 Invalid, 2739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2593 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 01:47:04,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2024-11-07 01:47:04,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 2891. [2024-11-07 01:47:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2449 states have (on average 1.2772560228664762) internal successors, (3128), 2469 states have internal predecessors, (3128), 230 states have call successors, (230), 155 states have call predecessors, (230), 210 states have return successors, (318), 267 states have call predecessors, (318), 229 states have call successors, (318) [2024-11-07 01:47:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3676 transitions. [2024-11-07 01:47:04,395 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3676 transitions. Word has length 189 [2024-11-07 01:47:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:04,395 INFO L471 AbstractCegarLoop]: Abstraction has 2891 states and 3676 transitions. [2024-11-07 01:47:04,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3676 transitions. [2024-11-07 01:47:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:04,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:04,396 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:04,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 01:47:04,396 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:04,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:04,397 INFO L85 PathProgramCache]: Analyzing trace with hash -306679349, now seen corresponding path program 1 times [2024-11-07 01:47:04,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:04,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021369004] [2024-11-07 01:47:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:04,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:04,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:04,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:04,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:04,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021369004] [2024-11-07 01:47:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021369004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:04,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:04,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878494792] [2024-11-07 01:47:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:04,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:04,605 INFO L87 Difference]: Start difference. First operand 2891 states and 3676 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:07,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:07,961 INFO L93 Difference]: Finished difference Result 4597 states and 6424 transitions. [2024-11-07 01:47:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:47:07,962 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:07,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:07,972 INFO L225 Difference]: With dead ends: 4597 [2024-11-07 01:47:07,972 INFO L226 Difference]: Without dead ends: 3786 [2024-11-07 01:47:07,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:47:07,974 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 1941 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 3008 SdHoareTripleChecker+Invalid, 4186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:07,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 3008 Invalid, 4186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4089 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 01:47:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2024-11-07 01:47:08,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 3278. [2024-11-07 01:47:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 2807 states have (on average 1.3113644460277876) internal successors, (3681), 2828 states have internal predecessors, (3681), 252 states have call successors, (252), 161 states have call predecessors, (252), 217 states have return successors, (342), 290 states have call predecessors, (342), 251 states have call successors, (342) [2024-11-07 01:47:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 4275 transitions. [2024-11-07 01:47:08,254 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 4275 transitions. Word has length 189 [2024-11-07 01:47:08,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:08,254 INFO L471 AbstractCegarLoop]: Abstraction has 3278 states and 4275 transitions. [2024-11-07 01:47:08,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 4275 transitions. [2024-11-07 01:47:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:08,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:08,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:08,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 01:47:08,256 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:08,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:08,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2031287671, now seen corresponding path program 1 times [2024-11-07 01:47:08,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:08,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606667481] [2024-11-07 01:47:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:08,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:08,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:08,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:08,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606667481] [2024-11-07 01:47:08,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606667481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:08,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:08,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:08,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343341464] [2024-11-07 01:47:08,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:08,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:08,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:08,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:08,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:08,449 INFO L87 Difference]: Start difference. First operand 3278 states and 4275 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:11,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:11,792 INFO L93 Difference]: Finished difference Result 6081 states and 8779 transitions. [2024-11-07 01:47:11,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:47:11,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:11,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:11,806 INFO L225 Difference]: With dead ends: 6081 [2024-11-07 01:47:11,806 INFO L226 Difference]: Without dead ends: 4883 [2024-11-07 01:47:11,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:47:11,809 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1939 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 4085 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 4184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:11,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 3006 Invalid, 4184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4085 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 01:47:11,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4883 states. [2024-11-07 01:47:12,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4883 to 4053. [2024-11-07 01:47:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4053 states, 3524 states have (on average 1.358683314415437) internal successors, (4788), 3547 states have internal predecessors, (4788), 296 states have call successors, (296), 173 states have call predecessors, (296), 231 states have return successors, (394), 336 states have call predecessors, (394), 295 states have call successors, (394) [2024-11-07 01:47:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 5478 transitions. [2024-11-07 01:47:12,132 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 5478 transitions. Word has length 189 [2024-11-07 01:47:12,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:12,132 INFO L471 AbstractCegarLoop]: Abstraction has 4053 states and 5478 transitions. [2024-11-07 01:47:12,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 5478 transitions. [2024-11-07 01:47:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:12,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:12,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:12,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 01:47:12,134 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:12,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1532730869, now seen corresponding path program 1 times [2024-11-07 01:47:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797258527] [2024-11-07 01:47:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:12,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:12,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:12,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:12,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:12,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797258527] [2024-11-07 01:47:12,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797258527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:12,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:12,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:12,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846561783] [2024-11-07 01:47:12,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:12,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:12,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:12,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:12,299 INFO L87 Difference]: Start difference. First operand 4053 states and 5478 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:14,129 INFO L93 Difference]: Finished difference Result 6846 states and 9975 transitions. [2024-11-07 01:47:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:14,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:14,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:14,143 INFO L225 Difference]: With dead ends: 6846 [2024-11-07 01:47:14,144 INFO L226 Difference]: Without dead ends: 4873 [2024-11-07 01:47:14,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:14,147 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 1543 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:14,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 1649 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 01:47:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2024-11-07 01:47:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4053. [2024-11-07 01:47:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4053 states, 3524 states have (on average 1.3572644721906924) internal successors, (4783), 3547 states have internal predecessors, (4783), 296 states have call successors, (296), 173 states have call predecessors, (296), 231 states have return successors, (394), 336 states have call predecessors, (394), 295 states have call successors, (394) [2024-11-07 01:47:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 5473 transitions. [2024-11-07 01:47:14,484 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 5473 transitions. Word has length 189 [2024-11-07 01:47:14,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:14,484 INFO L471 AbstractCegarLoop]: Abstraction has 4053 states and 5473 transitions. [2024-11-07 01:47:14,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 5473 transitions. [2024-11-07 01:47:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:14,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:14,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:14,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 01:47:14,487 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:14,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:14,487 INFO L85 PathProgramCache]: Analyzing trace with hash -962459063, now seen corresponding path program 1 times [2024-11-07 01:47:14,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:14,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678442978] [2024-11-07 01:47:14,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:14,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:14,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:14,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:14,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678442978] [2024-11-07 01:47:14,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678442978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:14,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:14,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:14,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675070378] [2024-11-07 01:47:14,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:14,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:14,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:14,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:14,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:14,670 INFO L87 Difference]: Start difference. First operand 4053 states and 5473 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:16,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:16,345 INFO L93 Difference]: Finished difference Result 6840 states and 9949 transitions. [2024-11-07 01:47:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:16,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:16,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:16,357 INFO L225 Difference]: With dead ends: 6840 [2024-11-07 01:47:16,358 INFO L226 Difference]: Without dead ends: 4867 [2024-11-07 01:47:16,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:16,360 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1678 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:16,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1709 Valid, 1378 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1948 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:47:16,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4867 states. [2024-11-07 01:47:16,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4867 to 4053. [2024-11-07 01:47:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4053 states, 3524 states have (on average 1.3558456299659478) internal successors, (4778), 3547 states have internal predecessors, (4778), 296 states have call successors, (296), 173 states have call predecessors, (296), 231 states have return successors, (394), 336 states have call predecessors, (394), 295 states have call successors, (394) [2024-11-07 01:47:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 5468 transitions. [2024-11-07 01:47:16,694 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 5468 transitions. Word has length 189 [2024-11-07 01:47:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:16,694 INFO L471 AbstractCegarLoop]: Abstraction has 4053 states and 5468 transitions. [2024-11-07 01:47:16,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 5468 transitions. [2024-11-07 01:47:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:16,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:16,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:16,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 01:47:16,696 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:16,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash 441410123, now seen corresponding path program 1 times [2024-11-07 01:47:16,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:16,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533024011] [2024-11-07 01:47:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:16,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:16,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:16,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:16,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:16,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533024011] [2024-11-07 01:47:16,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533024011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:16,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:16,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245952496] [2024-11-07 01:47:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:16,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:16,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:16,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:16,877 INFO L87 Difference]: Start difference. First operand 4053 states and 5468 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:18,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:18,551 INFO L93 Difference]: Finished difference Result 6828 states and 9911 transitions. [2024-11-07 01:47:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:18,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:18,565 INFO L225 Difference]: With dead ends: 6828 [2024-11-07 01:47:18,565 INFO L226 Difference]: Without dead ends: 4855 [2024-11-07 01:47:18,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:18,568 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1674 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1928 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:18,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 1378 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1928 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:47:18,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4855 states. [2024-11-07 01:47:18,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4855 to 4053. [2024-11-07 01:47:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4053 states, 3524 states have (on average 1.3544267877412033) internal successors, (4773), 3547 states have internal predecessors, (4773), 296 states have call successors, (296), 173 states have call predecessors, (296), 231 states have return successors, (394), 336 states have call predecessors, (394), 295 states have call successors, (394) [2024-11-07 01:47:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 5463 transitions. [2024-11-07 01:47:18,909 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 5463 transitions. Word has length 189 [2024-11-07 01:47:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:18,909 INFO L471 AbstractCegarLoop]: Abstraction has 4053 states and 5463 transitions. [2024-11-07 01:47:18,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 5463 transitions. [2024-11-07 01:47:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:18,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:18,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:18,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 01:47:18,911 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:18,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:18,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1108792013, now seen corresponding path program 1 times [2024-11-07 01:47:18,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:18,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366678738] [2024-11-07 01:47:18,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:18,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:19,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:19,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:19,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366678738] [2024-11-07 01:47:19,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366678738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:19,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:19,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:19,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452842827] [2024-11-07 01:47:19,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:19,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:19,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:19,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:19,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:19,076 INFO L87 Difference]: Start difference. First operand 4053 states and 5463 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:22,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:22,417 INFO L93 Difference]: Finished difference Result 8911 states and 13162 transitions. [2024-11-07 01:47:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:47:22,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:22,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:22,436 INFO L225 Difference]: With dead ends: 8911 [2024-11-07 01:47:22,436 INFO L226 Difference]: Without dead ends: 6938 [2024-11-07 01:47:22,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:47:22,440 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1918 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 3979 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 4078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 3979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:22,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 3006 Invalid, 4078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 3979 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 01:47:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6938 states. [2024-11-07 01:47:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6938 to 5622. [2024-11-07 01:47:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5622 states, 4977 states have (on average 1.406670685151698) internal successors, (7001), 5004 states have internal predecessors, (7001), 384 states have call successors, (384), 197 states have call predecessors, (384), 259 states have return successors, (504), 428 states have call predecessors, (504), 383 states have call successors, (504) [2024-11-07 01:47:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5622 states to 5622 states and 7889 transitions. [2024-11-07 01:47:22,895 INFO L78 Accepts]: Start accepts. Automaton has 5622 states and 7889 transitions. Word has length 189 [2024-11-07 01:47:22,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:22,895 INFO L471 AbstractCegarLoop]: Abstraction has 5622 states and 7889 transitions. [2024-11-07 01:47:22,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5622 states and 7889 transitions. [2024-11-07 01:47:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:22,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:22,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:22,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 01:47:22,898 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:22,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:22,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1086436853, now seen corresponding path program 1 times [2024-11-07 01:47:22,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:22,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563413643] [2024-11-07 01:47:22,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:22,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:23,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:23,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:23,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:23,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563413643] [2024-11-07 01:47:23,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563413643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:23,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:23,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:23,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826253482] [2024-11-07 01:47:23,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:23,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:23,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:23,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:23,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:23,061 INFO L87 Difference]: Start difference. First operand 5622 states and 7889 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:25,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:25,008 INFO L93 Difference]: Finished difference Result 10506 states and 15666 transitions. [2024-11-07 01:47:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:25,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:25,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:25,030 INFO L225 Difference]: With dead ends: 10506 [2024-11-07 01:47:25,030 INFO L226 Difference]: Without dead ends: 6964 [2024-11-07 01:47:25,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:25,039 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1444 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1475 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:25,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1475 Valid, 1650 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 01:47:25,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2024-11-07 01:47:25,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 5622. [2024-11-07 01:47:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5622 states, 4977 states have (on average 1.4048623668876834) internal successors, (6992), 5004 states have internal predecessors, (6992), 384 states have call successors, (384), 197 states have call predecessors, (384), 259 states have return successors, (504), 428 states have call predecessors, (504), 383 states have call successors, (504) [2024-11-07 01:47:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5622 states to 5622 states and 7880 transitions. [2024-11-07 01:47:25,518 INFO L78 Accepts]: Start accepts. Automaton has 5622 states and 7880 transitions. Word has length 189 [2024-11-07 01:47:25,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:25,518 INFO L471 AbstractCegarLoop]: Abstraction has 5622 states and 7880 transitions. [2024-11-07 01:47:25,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 5622 states and 7880 transitions. [2024-11-07 01:47:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:25,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:25,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:25,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 01:47:25,521 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:25,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:25,521 INFO L85 PathProgramCache]: Analyzing trace with hash -741608691, now seen corresponding path program 1 times [2024-11-07 01:47:25,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:25,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89871538] [2024-11-07 01:47:25,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:25,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:25,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:25,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:25,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:25,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:25,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89871538] [2024-11-07 01:47:25,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89871538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:25,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:25,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:25,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474508477] [2024-11-07 01:47:25,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:25,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:25,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:25,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:25,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:25,740 INFO L87 Difference]: Start difference. First operand 5622 states and 7880 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:29,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:29,239 INFO L93 Difference]: Finished difference Result 14612 states and 22050 transitions. [2024-11-07 01:47:29,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:47:29,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:29,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:29,262 INFO L225 Difference]: With dead ends: 14612 [2024-11-07 01:47:29,262 INFO L226 Difference]: Without dead ends: 11070 [2024-11-07 01:47:29,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:47:29,268 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1910 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 3941 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 4040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 3941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:29,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 3006 Invalid, 4040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 3941 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 01:47:29,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11070 states. [2024-11-07 01:47:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11070 to 8768. [2024-11-07 01:47:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8768 states, 7891 states have (on average 1.45025978963376) internal successors, (11444), 7926 states have internal predecessors, (11444), 560 states have call successors, (560), 245 states have call predecessors, (560), 315 states have return successors, (742), 612 states have call predecessors, (742), 559 states have call successors, (742) [2024-11-07 01:47:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 12746 transitions. [2024-11-07 01:47:29,897 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 12746 transitions. Word has length 189 [2024-11-07 01:47:29,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:29,898 INFO L471 AbstractCegarLoop]: Abstraction has 8768 states and 12746 transitions. [2024-11-07 01:47:29,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 12746 transitions. [2024-11-07 01:47:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:29,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:29,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:29,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 01:47:29,901 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:29,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:29,901 INFO L85 PathProgramCache]: Analyzing trace with hash 239346123, now seen corresponding path program 1 times [2024-11-07 01:47:29,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:29,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585770240] [2024-11-07 01:47:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:29,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:29,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:29,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:30,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:30,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:30,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:30,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:30,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585770240] [2024-11-07 01:47:30,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585770240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:30,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:30,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:30,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398781827] [2024-11-07 01:47:30,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:30,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:30,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:30,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:30,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:30,092 INFO L87 Difference]: Start difference. First operand 8768 states and 12746 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:32,322 INFO L93 Difference]: Finished difference Result 17850 states and 27169 transitions. [2024-11-07 01:47:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:32,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:32,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:32,344 INFO L225 Difference]: With dead ends: 17850 [2024-11-07 01:47:32,344 INFO L226 Difference]: Without dead ends: 11162 [2024-11-07 01:47:32,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:32,351 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1672 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:32,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 1378 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1884 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 01:47:32,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11162 states. [2024-11-07 01:47:33,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11162 to 8768. [2024-11-07 01:47:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8768 states, 7891 states have (on average 1.4481054365733115) internal successors, (11427), 7926 states have internal predecessors, (11427), 560 states have call successors, (560), 245 states have call predecessors, (560), 315 states have return successors, (742), 612 states have call predecessors, (742), 559 states have call successors, (742) [2024-11-07 01:47:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 12729 transitions. [2024-11-07 01:47:33,104 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 12729 transitions. Word has length 189 [2024-11-07 01:47:33,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:33,104 INFO L471 AbstractCegarLoop]: Abstraction has 8768 states and 12729 transitions. [2024-11-07 01:47:33,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 12729 transitions. [2024-11-07 01:47:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:33,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:33,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:33,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 01:47:33,109 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:33,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:33,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1530125491, now seen corresponding path program 1 times [2024-11-07 01:47:33,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:33,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056097771] [2024-11-07 01:47:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:33,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:33,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:33,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056097771] [2024-11-07 01:47:33,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056097771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:33,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:33,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:33,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170150930] [2024-11-07 01:47:33,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:33,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:33,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:33,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:33,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:33,308 INFO L87 Difference]: Start difference. First operand 8768 states and 12729 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:35,518 INFO L93 Difference]: Finished difference Result 17832 states and 27082 transitions. [2024-11-07 01:47:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:35,543 INFO L225 Difference]: With dead ends: 17832 [2024-11-07 01:47:35,543 INFO L226 Difference]: Without dead ends: 11144 [2024-11-07 01:47:35,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:35,552 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 1507 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:35,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 1649 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 01:47:35,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11144 states. [2024-11-07 01:47:36,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11144 to 8768. [2024-11-07 01:47:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8768 states, 7891 states have (on average 1.4459510835128628) internal successors, (11410), 7926 states have internal predecessors, (11410), 560 states have call successors, (560), 245 states have call predecessors, (560), 315 states have return successors, (742), 612 states have call predecessors, (742), 559 states have call successors, (742) [2024-11-07 01:47:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 12712 transitions. [2024-11-07 01:47:36,455 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 12712 transitions. Word has length 189 [2024-11-07 01:47:36,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:36,455 INFO L471 AbstractCegarLoop]: Abstraction has 8768 states and 12712 transitions. [2024-11-07 01:47:36,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 12712 transitions. [2024-11-07 01:47:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:36,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:36,458 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:36,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 01:47:36,459 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:36,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:36,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2141394549, now seen corresponding path program 1 times [2024-11-07 01:47:36,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:36,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130109308] [2024-11-07 01:47:36,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:36,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:36,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:36,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:36,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130109308] [2024-11-07 01:47:36,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130109308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:36,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:36,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:36,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460229219] [2024-11-07 01:47:36,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:36,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:36,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:36,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:36,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:36,641 INFO L87 Difference]: Start difference. First operand 8768 states and 12712 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:40,506 INFO L93 Difference]: Finished difference Result 25992 states and 39714 transitions. [2024-11-07 01:47:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 01:47:40,506 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:40,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:40,538 INFO L225 Difference]: With dead ends: 25992 [2024-11-07 01:47:40,538 INFO L226 Difference]: Without dead ends: 19304 [2024-11-07 01:47:40,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-07 01:47:40,546 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1901 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 3873 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 3972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 3873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:40,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 3006 Invalid, 3972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 3873 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 01:47:40,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19304 states. [2024-11-07 01:47:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19304 to 15107. [2024-11-07 01:47:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15107 states, 13766 states have (on average 1.4772628214441377) internal successors, (20336), 13817 states have internal predecessors, (20336), 912 states have call successors, (912), 341 states have call predecessors, (912), 427 states have return successors, (1272), 980 states have call predecessors, (1272), 911 states have call successors, (1272) [2024-11-07 01:47:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15107 states to 15107 states and 22520 transitions. [2024-11-07 01:47:41,796 INFO L78 Accepts]: Start accepts. Automaton has 15107 states and 22520 transitions. Word has length 189 [2024-11-07 01:47:41,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:41,797 INFO L471 AbstractCegarLoop]: Abstraction has 15107 states and 22520 transitions. [2024-11-07 01:47:41,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 15107 states and 22520 transitions. [2024-11-07 01:47:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:41,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:41,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:41,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 01:47:41,803 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:41,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash 748381069, now seen corresponding path program 1 times [2024-11-07 01:47:41,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:41,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325582082] [2024-11-07 01:47:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:41,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:41,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:41,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:41,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:41,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325582082] [2024-11-07 01:47:41,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325582082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:41,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:41,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:41,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812410529] [2024-11-07 01:47:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:41,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:41,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:41,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:41,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:41,938 INFO L87 Difference]: Start difference. First operand 15107 states and 22520 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 01:47:44,492 INFO L93 Difference]: Finished difference Result 32488 states and 50045 transitions. [2024-11-07 01:47:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 01:47:44,493 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 189 [2024-11-07 01:47:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 01:47:44,539 INFO L225 Difference]: With dead ends: 32488 [2024-11-07 01:47:44,540 INFO L226 Difference]: Without dead ends: 19461 [2024-11-07 01:47:44,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 01:47:44,559 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1442 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 01:47:44,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 1648 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 01:47:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19461 states. [2024-11-07 01:47:45,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19461 to 15107. [2024-11-07 01:47:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15107 states, 13766 states have (on average 1.4748656109254685) internal successors, (20303), 13817 states have internal predecessors, (20303), 912 states have call successors, (912), 341 states have call predecessors, (912), 427 states have return successors, (1272), 980 states have call predecessors, (1272), 911 states have call successors, (1272) [2024-11-07 01:47:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15107 states to 15107 states and 22487 transitions. [2024-11-07 01:47:45,890 INFO L78 Accepts]: Start accepts. Automaton has 15107 states and 22487 transitions. Word has length 189 [2024-11-07 01:47:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 01:47:45,890 INFO L471 AbstractCegarLoop]: Abstraction has 15107 states and 22487 transitions. [2024-11-07 01:47:45,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 01:47:45,890 INFO L276 IsEmpty]: Start isEmpty. Operand 15107 states and 22487 transitions. [2024-11-07 01:47:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 01:47:45,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 01:47:45,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:47:45,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 01:47:45,896 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 01:47:45,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 01:47:45,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2100005361, now seen corresponding path program 1 times [2024-11-07 01:47:45,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 01:47:45,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094100006] [2024-11-07 01:47:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 01:47:45,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 01:47:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 01:47:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 01:47:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-07 01:47:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 01:47:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 01:47:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 01:47:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 01:47:46,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 01:47:46,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094100006] [2024-11-07 01:47:46,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094100006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 01:47:46,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 01:47:46,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 01:47:46,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334560119] [2024-11-07 01:47:46,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 01:47:46,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 01:47:46,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 01:47:46,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 01:47:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 01:47:46,051 INFO L87 Difference]: Start difference. First operand 15107 states and 22487 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)