./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/transmitter.12.cil.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/systemc/transmitter.12.cil.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', '062c7418109a213aa13d25a99437d8241cca4f6492c123259890838dc94aff90'] 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/systemc/transmitter.12.cil.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 062c7418109a213aa13d25a99437d8241cca4f6492c123259890838dc94aff90 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:00:03,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:00:03,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:00:03,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:00:03,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:00:03,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:00:03,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:00:03,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:00:03,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:00:03,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:00:03,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:00:03,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:00:03,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:00:03,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:00:03,211 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:00:03,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:00:03,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:00:03,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:00:03,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:00:03,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:00:03,214 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 -> 062c7418109a213aa13d25a99437d8241cca4f6492c123259890838dc94aff90 [2024-11-07 00:00:03,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:00:03,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:00:03,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:00:03,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:00:03,530 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:00:03,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.12.cil.c [2024-11-07 00:00:04,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:00:05,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:00:05,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.12.cil.c [2024-11-07 00:00:05,270 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e6dc6e57/2c4c22689eb64302b0213b2191b4ced7/FLAG5bf0bedbd [2024-11-07 00:00:05,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e6dc6e57/2c4c22689eb64302b0213b2191b4ced7 [2024-11-07 00:00:05,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:00:05,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:00:05,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:00:05,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:00:05,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:00:05,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43db6354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05, skipping insertion in model container [2024-11-07 00:00:05,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:00:05,505 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/systemc/transmitter.12.cil.c[706,719] [2024-11-07 00:00:05,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:00:05,708 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:00:05,721 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/systemc/transmitter.12.cil.c[706,719] [2024-11-07 00:00:05,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:00:05,835 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:00:05,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05 WrapperNode [2024-11-07 00:00:05,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:00:05,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:00:05,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:00:05,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:00:05,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,933 INFO L138 Inliner]: procedures = 52, calls = 66, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 859 [2024-11-07 00:00:05,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:00:05,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:00:05,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:00:05,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:00:05,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,968 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 00:00:05,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:05,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:06,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:06,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:06,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:00:06,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:00:06,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:00:06,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:00:06,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (1/1) ... [2024-11-07 00:00:06,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:00:06,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:00:06,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 00:00:06,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-07 00:00:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-07 00:00:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-07 00:00:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-07 00:00:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-07 00:00:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-07 00:00:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-07 00:00:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-07 00:00:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:00:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:00:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:00:06,212 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:00:06,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:00:07,224 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-07 00:00:07,224 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:00:07,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:00:07,249 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-07 00:00:07,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:07 BoogieIcfgContainer [2024-11-07 00:00:07,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:00:07,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:00:07,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:00:07,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:00:07,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:00:05" (1/3) ... [2024-11-07 00:00:07,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e44490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:07, skipping insertion in model container [2024-11-07 00:00:07,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:05" (2/3) ... [2024-11-07 00:00:07,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e44490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:07, skipping insertion in model container [2024-11-07 00:00:07,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:07" (3/3) ... [2024-11-07 00:00:07,263 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.12.cil.c [2024-11-07 00:00:07,278 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:00:07,279 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:00:07,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:00:07,374 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;@47c7481c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:00:07,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:00:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 358 states have (on average 1.6396648044692737) internal successors, (587), 360 states have internal predecessors, (587), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 00:00:07,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:07,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:07,410 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] [2024-11-07 00:00:07,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:07,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash 2143662792, now seen corresponding path program 1 times [2024-11-07 00:00:07,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:07,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759778429] [2024-11-07 00:00:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:07,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:08,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:08,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:08,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:08,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759778429] [2024-11-07 00:00:08,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759778429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:08,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:08,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 00:00:08,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911306805] [2024-11-07 00:00:08,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:08,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:00:08,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:08,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:00:08,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:00:08,320 INFO L87 Difference]: Start difference. First operand has 391 states, 358 states have (on average 1.6396648044692737) internal successors, (587), 360 states have internal predecessors, (587), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 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 00:00:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:10,872 INFO L93 Difference]: Finished difference Result 909 states and 1493 transitions. [2024-11-07 00:00:10,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:00:10,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:10,887 INFO L225 Difference]: With dead ends: 909 [2024-11-07 00:00:10,887 INFO L226 Difference]: Without dead ends: 526 [2024-11-07 00:00:10,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:00:10,897 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 1031 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:10,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 775 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 00:00:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-07 00:00:10,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 386. [2024-11-07 00:00:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 354 states have (on average 1.5480225988700564) internal successors, (548), 355 states have internal predecessors, (548), 25 states have call successors, (25), 6 states have call predecessors, (25), 6 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 00:00:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 598 transitions. [2024-11-07 00:00:11,010 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 598 transitions. Word has length 187 [2024-11-07 00:00:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:11,012 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 598 transitions. [2024-11-07 00:00:11,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 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 00:00:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 598 transitions. [2024-11-07 00:00:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:11,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:11,020 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] [2024-11-07 00:00:11,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:00:11,023 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:11,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:11,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1320650870, now seen corresponding path program 1 times [2024-11-07 00:00:11,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:11,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579027554] [2024-11-07 00:00:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:11,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:11,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:11,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:11,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:11,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:11,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579027554] [2024-11-07 00:00:11,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579027554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:11,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:11,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 00:00:11,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127233012] [2024-11-07 00:00:11,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:11,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 00:00:11,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 00:00:11,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 00:00:11,728 INFO L87 Difference]: Start difference. First operand 386 states and 598 transitions. Second operand has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 00:00:15,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:15,220 INFO L93 Difference]: Finished difference Result 1415 states and 2256 transitions. [2024-11-07 00:00:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 00:00:15,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:15,228 INFO L225 Difference]: With dead ends: 1415 [2024-11-07 00:00:15,229 INFO L226 Difference]: Without dead ends: 1049 [2024-11-07 00:00:15,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:00:15,232 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1548 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:15,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 1309 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 00:00:15,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-07 00:00:15,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 769. [2024-11-07 00:00:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 710 states have (on average 1.5577464788732394) internal successors, (1106), 712 states have internal predecessors, (1106), 45 states have call successors, (45), 12 states have call predecessors, (45), 13 states have return successors, (48), 45 states have call predecessors, (48), 45 states have call successors, (48) [2024-11-07 00:00:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1199 transitions. [2024-11-07 00:00:15,324 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1199 transitions. Word has length 187 [2024-11-07 00:00:15,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:15,324 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 1199 transitions. [2024-11-07 00:00:15,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 00:00:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1199 transitions. [2024-11-07 00:00:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:15,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:15,327 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] [2024-11-07 00:00:15,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:00:15,327 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:15,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:15,327 INFO L85 PathProgramCache]: Analyzing trace with hash 308761065, now seen corresponding path program 1 times [2024-11-07 00:00:15,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:15,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698742392] [2024-11-07 00:00:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:15,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:15,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:15,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:15,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698742392] [2024-11-07 00:00:15,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698742392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:15,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:15,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:15,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343124059] [2024-11-07 00:00:15,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:15,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:15,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:15,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:15,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:15,847 INFO L87 Difference]: Start difference. First operand 769 states and 1199 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:20,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:20,499 INFO L93 Difference]: Finished difference Result 2518 states and 3985 transitions. [2024-11-07 00:00:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:00:20,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:20,512 INFO L225 Difference]: With dead ends: 2518 [2024-11-07 00:00:20,513 INFO L226 Difference]: Without dead ends: 1769 [2024-11-07 00:00:20,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:00:20,518 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 1703 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4517 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 2570 SdHoareTripleChecker+Invalid, 4578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 4517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:20,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1721 Valid, 2570 Invalid, 4578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 4517 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 00:00:20,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2024-11-07 00:00:20,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1126. [2024-11-07 00:00:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1040 states have (on average 1.55) internal successors, (1612), 1043 states have internal predecessors, (1612), 65 states have call successors, (65), 18 states have call predecessors, (65), 20 states have return successors, (70), 66 states have call predecessors, (70), 65 states have call successors, (70) [2024-11-07 00:00:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1747 transitions. [2024-11-07 00:00:20,629 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1747 transitions. Word has length 187 [2024-11-07 00:00:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:20,632 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1747 transitions. [2024-11-07 00:00:20,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1747 transitions. [2024-11-07 00:00:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:20,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:20,638 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] [2024-11-07 00:00:20,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:00:20,639 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:20,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:20,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1415847257, now seen corresponding path program 1 times [2024-11-07 00:00:20,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:20,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29843143] [2024-11-07 00:00:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:20,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:20,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:20,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:21,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29843143] [2024-11-07 00:00:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29843143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:21,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:21,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:21,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746465729] [2024-11-07 00:00:21,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:21,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:21,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:21,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:21,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:21,032 INFO L87 Difference]: Start difference. First operand 1126 states and 1747 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:25,615 INFO L93 Difference]: Finished difference Result 3883 states and 6133 transitions. [2024-11-07 00:00:25,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:00:25,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:25,633 INFO L225 Difference]: With dead ends: 3883 [2024-11-07 00:00:25,633 INFO L226 Difference]: Without dead ends: 2777 [2024-11-07 00:00:25,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:00:25,639 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1701 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4513 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 4576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:25,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 2568 Invalid, 4576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 4513 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 00:00:25,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2024-11-07 00:00:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 1841. [2024-11-07 00:00:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1701 states have (on average 1.5432098765432098) internal successors, (2625), 1706 states have internal predecessors, (2625), 105 states have call successors, (105), 30 states have call predecessors, (105), 34 states have return successors, (118), 108 states have call predecessors, (118), 105 states have call successors, (118) [2024-11-07 00:00:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2848 transitions. [2024-11-07 00:00:25,766 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2848 transitions. Word has length 187 [2024-11-07 00:00:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:25,766 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2848 transitions. [2024-11-07 00:00:25,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2848 transitions. [2024-11-07 00:00:25,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:25,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:25,772 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] [2024-11-07 00:00:25,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:00:25,772 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:25,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:25,773 INFO L85 PathProgramCache]: Analyzing trace with hash -917290455, now seen corresponding path program 1 times [2024-11-07 00:00:25,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:25,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178820681] [2024-11-07 00:00:25,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:25,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:26,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:26,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:26,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:26,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178820681] [2024-11-07 00:00:26,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178820681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:26,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:26,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:26,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301090358] [2024-11-07 00:00:26,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:26,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:26,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:26,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:26,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:26,161 INFO L87 Difference]: Start difference. First operand 1841 states and 2848 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:29,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:29,936 INFO L93 Difference]: Finished difference Result 6512 states and 10242 transitions. [2024-11-07 00:00:29,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:00:29,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:29,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:29,965 INFO L225 Difference]: With dead ends: 6512 [2024-11-07 00:00:29,965 INFO L226 Difference]: Without dead ends: 4691 [2024-11-07 00:00:29,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:00:29,977 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 1818 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 3985 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 4082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:29,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 1645 Invalid, 4082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3985 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-07 00:00:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2024-11-07 00:00:30,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 3272. [2024-11-07 00:00:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3024 states have (on average 1.5380291005291005) internal successors, (4651), 3033 states have internal predecessors, (4651), 185 states have call successors, (185), 54 states have call predecessors, (185), 62 states have return successors, (220), 192 states have call predecessors, (220), 185 states have call successors, (220) [2024-11-07 00:00:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 5056 transitions. [2024-11-07 00:00:30,242 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 5056 transitions. Word has length 187 [2024-11-07 00:00:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:30,242 INFO L471 AbstractCegarLoop]: Abstraction has 3272 states and 5056 transitions. [2024-11-07 00:00:30,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 5056 transitions. [2024-11-07 00:00:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:30,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:30,250 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] [2024-11-07 00:00:30,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:00:30,250 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:30,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:30,251 INFO L85 PathProgramCache]: Analyzing trace with hash -347018649, now seen corresponding path program 1 times [2024-11-07 00:00:30,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:30,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972023813] [2024-11-07 00:00:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:30,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:30,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:30,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:30,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:30,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:30,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972023813] [2024-11-07 00:00:30,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972023813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:30,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:30,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:30,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238650619] [2024-11-07 00:00:30,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:30,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:30,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:30,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:30,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:30,622 INFO L87 Difference]: Start difference. First operand 3272 states and 5056 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:34,820 INFO L93 Difference]: Finished difference Result 11762 states and 18464 transitions. [2024-11-07 00:00:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:00:34,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:34,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:34,854 INFO L225 Difference]: With dead ends: 11762 [2024-11-07 00:00:34,854 INFO L226 Difference]: Without dead ends: 8510 [2024-11-07 00:00:34,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:00:34,865 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1699 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4471 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 4534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:34,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 2568 Invalid, 4534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 4471 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-07 00:00:34,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8510 states. [2024-11-07 00:00:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8510 to 6148. [2024-11-07 00:00:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6148 states, 5684 states have (on average 1.535362420830401) internal successors, (8727), 5701 states have internal predecessors, (8727), 345 states have call successors, (345), 102 states have call predecessors, (345), 118 states have return successors, (442), 360 states have call predecessors, (442), 345 states have call successors, (442) [2024-11-07 00:00:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6148 states to 6148 states and 9514 transitions. [2024-11-07 00:00:35,307 INFO L78 Accepts]: Start accepts. Automaton has 6148 states and 9514 transitions. Word has length 187 [2024-11-07 00:00:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:35,307 INFO L471 AbstractCegarLoop]: Abstraction has 6148 states and 9514 transitions. [2024-11-07 00:00:35,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6148 states and 9514 transitions. [2024-11-07 00:00:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:35,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:35,319 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] [2024-11-07 00:00:35,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 00:00:35,320 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:35,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1133016539, now seen corresponding path program 1 times [2024-11-07 00:00:35,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:35,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666246407] [2024-11-07 00:00:35,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:35,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:35,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:35,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:35,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:35,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666246407] [2024-11-07 00:00:35,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666246407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:35,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:35,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:35,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372390765] [2024-11-07 00:00:35,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:35,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:35,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:35,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:35,647 INFO L87 Difference]: Start difference. First operand 6148 states and 9514 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:40,465 INFO L93 Difference]: Finished difference Result 22280 states and 35000 transitions. [2024-11-07 00:00:40,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:00:40,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:40,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:40,551 INFO L225 Difference]: With dead ends: 22280 [2024-11-07 00:00:40,551 INFO L226 Difference]: Without dead ends: 16152 [2024-11-07 00:00:40,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:00:40,574 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1698 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 4521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:40,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 2568 Invalid, 4521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 00:00:40,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16152 states. [2024-11-07 00:00:41,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16152 to 11913. [2024-11-07 00:00:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11913 states, 11017 states have (on average 1.533720613597168) internal successors, (16897), 11050 states have internal predecessors, (16897), 665 states have call successors, (665), 198 states have call predecessors, (665), 230 states have return successors, (940), 696 states have call predecessors, (940), 665 states have call successors, (940) [2024-11-07 00:00:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11913 states to 11913 states and 18502 transitions. [2024-11-07 00:00:41,335 INFO L78 Accepts]: Start accepts. Automaton has 11913 states and 18502 transitions. Word has length 187 [2024-11-07 00:00:41,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:41,336 INFO L471 AbstractCegarLoop]: Abstraction has 11913 states and 18502 transitions. [2024-11-07 00:00:41,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11913 states and 18502 transitions. [2024-11-07 00:00:41,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:41,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:41,359 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] [2024-11-07 00:00:41,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:00:41,359 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:41,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash -465634649, now seen corresponding path program 1 times [2024-11-07 00:00:41,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:41,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855033976] [2024-11-07 00:00:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:41,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:41,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:41,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:41,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:41,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855033976] [2024-11-07 00:00:41,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855033976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:41,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:41,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:41,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118756349] [2024-11-07 00:00:41,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:41,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:41,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:41,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:41,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:41,664 INFO L87 Difference]: Start difference. First operand 11913 states and 18502 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:44,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:44,255 INFO L93 Difference]: Finished difference Result 28104 states and 44390 transitions. [2024-11-07 00:00:44,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 00:00:44,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:44,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:44,335 INFO L225 Difference]: With dead ends: 28104 [2024-11-07 00:00:44,335 INFO L226 Difference]: Without dead ends: 16211 [2024-11-07 00:00:44,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-07 00:00:44,375 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 1137 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:44,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1282 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 00:00:44,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16211 states. [2024-11-07 00:00:45,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16211 to 11913. [2024-11-07 00:00:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11913 states, 11017 states have (on average 1.5307252428065716) internal successors, (16864), 11050 states have internal predecessors, (16864), 665 states have call successors, (665), 198 states have call predecessors, (665), 230 states have return successors, (940), 696 states have call predecessors, (940), 665 states have call successors, (940) [2024-11-07 00:00:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11913 states to 11913 states and 18469 transitions. [2024-11-07 00:00:45,102 INFO L78 Accepts]: Start accepts. Automaton has 11913 states and 18469 transitions. Word has length 187 [2024-11-07 00:00:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:45,102 INFO L471 AbstractCegarLoop]: Abstraction has 11913 states and 18469 transitions. [2024-11-07 00:00:45,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 11913 states and 18469 transitions. [2024-11-07 00:00:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:45,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:45,123 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] [2024-11-07 00:00:45,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:00:45,123 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:45,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1634103781, now seen corresponding path program 1 times [2024-11-07 00:00:45,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:45,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885037559] [2024-11-07 00:00:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:45,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:45,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:45,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:45,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:45,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:45,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:45,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885037559] [2024-11-07 00:00:45,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885037559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:45,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:45,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:45,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011486740] [2024-11-07 00:00:45,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:45,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:45,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:45,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:45,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:45,482 INFO L87 Difference]: Start difference. First operand 11913 states and 18469 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:51,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:00:51,139 INFO L93 Difference]: Finished difference Result 43281 states and 68030 transitions. [2024-11-07 00:00:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:00:51,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:00:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:00:51,300 INFO L225 Difference]: With dead ends: 43281 [2024-11-07 00:00:51,300 INFO L226 Difference]: Without dead ends: 31388 [2024-11-07 00:00:51,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:00:51,347 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1690 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4420 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 4483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:00:51,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 2568 Invalid, 4483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 4420 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 00:00:51,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31388 states. [2024-11-07 00:00:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31388 to 23507. [2024-11-07 00:00:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23507 states, 21747 states have (on average 1.5290384880673196) internal successors, (33252), 21812 states have internal predecessors, (33252), 1305 states have call successors, (1305), 390 states have call predecessors, (1305), 454 states have return successors, (2098), 1368 states have call predecessors, (2098), 1305 states have call successors, (2098) [2024-11-07 00:00:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23507 states to 23507 states and 36655 transitions. [2024-11-07 00:00:52,934 INFO L78 Accepts]: Start accepts. Automaton has 23507 states and 36655 transitions. Word has length 187 [2024-11-07 00:00:52,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:00:52,935 INFO L471 AbstractCegarLoop]: Abstraction has 23507 states and 36655 transitions. [2024-11-07 00:00:52,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:00:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23507 states and 36655 transitions. [2024-11-07 00:00:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:00:52,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:00:52,986 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] [2024-11-07 00:00:52,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:00:52,987 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:00:52,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:00:52,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1978931943, now seen corresponding path program 1 times [2024-11-07 00:00:52,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:00:52,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588814659] [2024-11-07 00:00:52,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:00:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:00:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:00:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:00:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:53,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:00:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:53,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:00:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:53,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:00:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:00:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:00:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:00:53,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588814659] [2024-11-07 00:00:53,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588814659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:00:53,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:00:53,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:00:53,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907866261] [2024-11-07 00:00:53,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:00:53,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:00:53,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:00:53,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:00:53,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:00:53,305 INFO L87 Difference]: Start difference. First operand 23507 states and 36655 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:01:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:00,044 INFO L93 Difference]: Finished difference Result 85353 states and 134966 transitions. [2024-11-07 00:01:00,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:01:00,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:01:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:00,411 INFO L225 Difference]: With dead ends: 85353 [2024-11-07 00:01:00,411 INFO L226 Difference]: Without dead ends: 61866 [2024-11-07 00:01:00,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:01:00,507 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1689 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 4470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:00,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 2568 Invalid, 4470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 00:01:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61866 states. [2024-11-07 00:01:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61866 to 46756. [2024-11-07 00:01:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46756 states, 43268 states have (on average 1.5281039105112324) internal successors, (66118), 43397 states have internal predecessors, (66118), 2585 states have call successors, (2585), 774 states have call predecessors, (2585), 902 states have return successors, (4900), 2712 states have call predecessors, (4900), 2585 states have call successors, (4900) [2024-11-07 00:01:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46756 states to 46756 states and 73603 transitions. [2024-11-07 00:01:03,170 INFO L78 Accepts]: Start accepts. Automaton has 46756 states and 73603 transitions. Word has length 187 [2024-11-07 00:01:03,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:01:03,170 INFO L471 AbstractCegarLoop]: Abstraction has 46756 states and 73603 transitions. [2024-11-07 00:01:03,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:01:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 46756 states and 73603 transitions. [2024-11-07 00:01:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 00:01:03,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:01:03,251 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] [2024-11-07 00:01:03,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:01:03,251 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:01:03,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:01:03,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1335080539, now seen corresponding path program 1 times [2024-11-07 00:01:03,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:01:03,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038865953] [2024-11-07 00:01:03,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:01:03,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:01:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:01:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:03,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 00:01:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:03,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:01:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:03,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:01:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:01:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:01:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:01:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:01:03,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038865953] [2024-11-07 00:01:03,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038865953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:01:03,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:01:03,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:01:03,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680563424] [2024-11-07 00:01:03,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:01:03,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:01:03,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:01:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:01:03,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:01:03,542 INFO L87 Difference]: Start difference. First operand 46756 states and 73603 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 00:01:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:01:13,136 INFO L93 Difference]: Finished difference Result 169496 states and 270684 transitions. [2024-11-07 00:01:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 00:01:13,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2024-11-07 00:01:13,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:01:13,820 INFO L225 Difference]: With dead ends: 169496 [2024-11-07 00:01:13,820 INFO L226 Difference]: Without dead ends: 122760 [2024-11-07 00:01:14,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 00:01:14,008 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1688 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 4457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:01:14,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 2568 Invalid, 4457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 00:01:14,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122760 states.