./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd --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 4ba4618d2c12b624306627073ace8aff518621333cf7d938808dd7313f83bbaa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:46:11,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:46:11,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:46:11,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:46:11,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:46:11,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:46:11,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:46:11,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:46:11,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:46:11,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:46:11,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:46:11,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:46:11,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:46:11,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:46:12,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:46:12,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:46:12,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:46:12,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:46:12,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:46:12,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:46:12,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:46:12,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:46:12,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:46:12,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:46:12,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:46:12,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:46:12,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:46:12,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:46:12,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:46:12,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:46:12,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:46:12,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:46:12,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:46:12,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:46:12,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:46:12,007 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd 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 -> 4ba4618d2c12b624306627073ace8aff518621333cf7d938808dd7313f83bbaa [2024-11-13 12:46:12,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:46:12,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:46:12,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:46:12,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:46:12,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:46:12,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i Unable to find full path for "g++" [2024-11-13 12:46:14,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:46:14,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:46:14,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i [2024-11-13 12:46:14,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/data/887d47dba/809b7de05e2a4e898850ec562fb7751e/FLAG430cad502 [2024-11-13 12:46:14,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/data/887d47dba/809b7de05e2a4e898850ec562fb7751e [2024-11-13 12:46:14,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:46:14,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:46:14,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:46:14,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:46:14,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:46:14,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:46:14" (1/1) ... [2024-11-13 12:46:14,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e85e0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:14, skipping insertion in model container [2024-11-13 12:46:14,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:46:14" (1/1) ... [2024-11-13 12:46:14,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:46:14,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i[916,929] [2024-11-13 12:46:15,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:46:15,077 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:46:15,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i[916,929] [2024-11-13 12:46:15,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:46:15,147 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:46:15,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15 WrapperNode [2024-11-13 12:46:15,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:46:15,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:46:15,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:46:15,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:46:15,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,221 INFO L138 Inliner]: procedures = 29, calls = 177, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2024-11-13 12:46:15,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:46:15,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:46:15,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:46:15,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:46:15,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,259 INFO L175 MemorySlicer]: Split 131 memory accesses to 16 slices as follows [2, 15, 6, 10, 11, 8, 8, 8, 10, 7, 6, 8, 3, 12, 7, 10]. 11 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1]. [2024-11-13 12:46:15,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:46:15,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:46:15,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:46:15,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:46:15,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (1/1) ... [2024-11-13 12:46:15,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:46:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:15,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:46:15,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:46:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:46:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 12:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 12:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 12:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 12:46:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-13 12:46:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 12:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 12:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 12:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 12:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 12:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 12:46:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-13 12:46:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-13 12:46:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 12:46:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 12:46:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 12:46:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-13 12:46:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:46:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 12:46:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 12:46:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:46:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:46:15,644 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:46:15,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:46:16,718 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-13 12:46:16,718 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:46:16,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:46:16,739 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:46:16,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:46:16 BoogieIcfgContainer [2024-11-13 12:46:16,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:46:16,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:46:16,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:46:16,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:46:16,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:46:14" (1/3) ... [2024-11-13 12:46:16,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35081796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:46:16, skipping insertion in model container [2024-11-13 12:46:16,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:15" (2/3) ... [2024-11-13 12:46:16,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35081796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:46:16, skipping insertion in model container [2024-11-13 12:46:16,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:46:16" (3/3) ... [2024-11-13 12:46:16,756 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-64.i [2024-11-13 12:46:16,777 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:46:16,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-64.i that has 2 procedures, 129 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:46:16,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:46:16,891 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;@117a7567, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:46:16,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:46:16,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 107 states have internal predecessors, (152), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 12:46:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 12:46:16,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:16,916 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:16,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:16,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:16,926 INFO L85 PathProgramCache]: Analyzing trace with hash 963780078, now seen corresponding path program 1 times [2024-11-13 12:46:16,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:16,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423247217] [2024-11-13 12:46:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:46:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:46:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:46:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:46:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:46:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:46:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:46:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:46:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:46:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:46:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:46:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:46:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:46:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:46:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:46:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:46:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:46:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:46:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 12:46:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 12:46:17,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:17,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423247217] [2024-11-13 12:46:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423247217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:17,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:17,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:46:17,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529119600] [2024-11-13 12:46:17,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:17,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:46:17,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:17,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:46:17,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:46:17,680 INFO L87 Difference]: Start difference. First operand has 129 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 107 states have internal predecessors, (152), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 12:46:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:17,823 INFO L93 Difference]: Finished difference Result 251 states and 398 transitions. [2024-11-13 12:46:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:46:17,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 159 [2024-11-13 12:46:17,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:17,834 INFO L225 Difference]: With dead ends: 251 [2024-11-13 12:46:17,834 INFO L226 Difference]: Without dead ends: 125 [2024-11-13 12:46:17,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:46:17,841 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:17,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:17,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-13 12:46:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-13 12:46:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 103 states have (on average 1.4077669902912622) internal successors, (145), 103 states have internal predecessors, (145), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 12:46:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2024-11-13 12:46:17,896 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 159 [2024-11-13 12:46:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:17,896 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2024-11-13 12:46:17,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 12:46:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2024-11-13 12:46:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 12:46:17,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:17,901 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:17,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:46:17,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:17,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:17,903 INFO L85 PathProgramCache]: Analyzing trace with hash -673202098, now seen corresponding path program 1 times [2024-11-13 12:46:17,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:17,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421627746] [2024-11-13 12:46:17,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:46:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:46:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:46:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:46:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:46:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:46:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:46:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:46:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:46:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:46:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:46:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:46:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:46:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:46:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:46:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:46:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:46:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:46:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 12:46:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 12:46:18,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:18,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421627746] [2024-11-13 12:46:18,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421627746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:18,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:18,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:46:18,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947940591] [2024-11-13 12:46:18,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:18,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:46:18,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:18,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:46:18,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:46:18,880 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 12:46:18,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:18,968 INFO L93 Difference]: Finished difference Result 249 states and 370 transitions. [2024-11-13 12:46:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:46:18,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-13 12:46:18,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:18,971 INFO L225 Difference]: With dead ends: 249 [2024-11-13 12:46:18,971 INFO L226 Difference]: Without dead ends: 127 [2024-11-13 12:46:18,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:46:18,973 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:18,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 538 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:18,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-13 12:46:18,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-13 12:46:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 105 states have (on average 1.4) internal successors, (147), 105 states have internal predecessors, (147), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 12:46:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 187 transitions. [2024-11-13 12:46:18,997 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 187 transitions. Word has length 159 [2024-11-13 12:46:18,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:19,001 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 187 transitions. [2024-11-13 12:46:19,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 12:46:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 187 transitions. [2024-11-13 12:46:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 12:46:19,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:19,008 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:19,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:46:19,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:19,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:19,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1436128192, now seen corresponding path program 1 times [2024-11-13 12:46:19,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:19,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226716895] [2024-11-13 12:46:19,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:19,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:46:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:46:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:46:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:46:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:46:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:46:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:46:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:46:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:46:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:46:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:46:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:46:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:46:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:46:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:46:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:46:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:46:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:46:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 12:46:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 12:46:19,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:19,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226716895] [2024-11-13 12:46:19,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226716895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:19,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:19,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:46:19,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199200735] [2024-11-13 12:46:19,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:19,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:46:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:19,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:46:19,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:46:19,692 INFO L87 Difference]: Start difference. First operand 127 states and 187 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 12:46:19,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:19,785 INFO L93 Difference]: Finished difference Result 254 states and 375 transitions. [2024-11-13 12:46:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:46:19,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2024-11-13 12:46:19,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:19,792 INFO L225 Difference]: With dead ends: 254 [2024-11-13 12:46:19,792 INFO L226 Difference]: Without dead ends: 130 [2024-11-13 12:46:19,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:46:19,794 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:19,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 711 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:19,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-13 12:46:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-13 12:46:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3888888888888888) internal successors, (150), 108 states have internal predecessors, (150), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 12:46:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 190 transitions. [2024-11-13 12:46:19,813 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 190 transitions. Word has length 161 [2024-11-13 12:46:19,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:19,814 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 190 transitions. [2024-11-13 12:46:19,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 12:46:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 190 transitions. [2024-11-13 12:46:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 12:46:19,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:19,821 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:19,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:46:19,821 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:19,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:19,823 INFO L85 PathProgramCache]: Analyzing trace with hash -358185932, now seen corresponding path program 1 times [2024-11-13 12:46:19,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:19,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095724711] [2024-11-13 12:46:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:46:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:46:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:46:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:46:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:46:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:46:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:46:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:46:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:46:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:46:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:46:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:46:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:46:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:46:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:46:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:46:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:46:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:46:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 12:46:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 12:46:21,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:21,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095724711] [2024-11-13 12:46:21,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095724711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:21,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:21,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 12:46:21,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729411219] [2024-11-13 12:46:21,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:21,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:46:21,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:21,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:46:21,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:21,223 INFO L87 Difference]: Start difference. First operand 130 states and 190 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 12:46:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:21,891 INFO L93 Difference]: Finished difference Result 435 states and 636 transitions. [2024-11-13 12:46:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:46:21,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-13 12:46:21,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:21,902 INFO L225 Difference]: With dead ends: 435 [2024-11-13 12:46:21,902 INFO L226 Difference]: Without dead ends: 308 [2024-11-13 12:46:21,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:46:21,905 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 317 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:21,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 887 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 12:46:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-13 12:46:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 215. [2024-11-13 12:46:21,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 172 states have (on average 1.372093023255814) internal successors, (236), 172 states have internal predecessors, (236), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 12:46:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 316 transitions. [2024-11-13 12:46:21,940 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 316 transitions. Word has length 162 [2024-11-13 12:46:21,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:21,941 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 316 transitions. [2024-11-13 12:46:21,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-13 12:46:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 316 transitions. [2024-11-13 12:46:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 12:46:21,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:21,943 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:21,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:46:21,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:21,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:21,944 INFO L85 PathProgramCache]: Analyzing trace with hash -981453275, now seen corresponding path program 1 times [2024-11-13 12:46:21,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:21,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649825380] [2024-11-13 12:46:21,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:21,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:46:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:46:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:46:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:46:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:46:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:46:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:46:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:46:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:46:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:46:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:46:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:46:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:46:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:46:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:46:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:46:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:46:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:46:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 12:46:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 12:46:23,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:23,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649825380] [2024-11-13 12:46:23,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649825380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:23,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731767083] [2024-11-13 12:46:23,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:23,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:23,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:23,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:46:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:24,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 12:46:24,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:24,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:46:25,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 12:46:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 382 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-13 12:46:25,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:26,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-13 12:46:26,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-13 12:46:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 12:46:26,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731767083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:26,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:26,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14, 14] total 28 [2024-11-13 12:46:26,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327292047] [2024-11-13 12:46:26,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:26,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 12:46:26,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:26,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 12:46:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2024-11-13 12:46:26,948 INFO L87 Difference]: Start difference. First operand 215 states and 316 transitions. Second operand has 28 states, 25 states have (on average 5.84) internal successors, (146), 27 states have internal predecessors, (146), 7 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-13 12:46:31,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:31,909 INFO L93 Difference]: Finished difference Result 565 states and 809 transitions. [2024-11-13 12:46:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-13 12:46:31,910 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 25 states have (on average 5.84) internal successors, (146), 27 states have internal predecessors, (146), 7 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 7 states have call successors, (60) Word has length 163 [2024-11-13 12:46:31,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:31,916 INFO L225 Difference]: With dead ends: 565 [2024-11-13 12:46:31,916 INFO L226 Difference]: Without dead ends: 421 [2024-11-13 12:46:31,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=747, Invalid=4953, Unknown=0, NotChecked=0, Total=5700 [2024-11-13 12:46:31,924 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 2127 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 1804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:31,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 3010 Invalid, 1804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [342 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 12:46:31,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-13 12:46:31,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 301. [2024-11-13 12:46:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 241 states have (on average 1.3443983402489628) internal successors, (324), 242 states have internal predecessors, (324), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-13 12:46:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 430 transitions. [2024-11-13 12:46:31,986 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 430 transitions. Word has length 163 [2024-11-13 12:46:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:31,988 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 430 transitions. [2024-11-13 12:46:31,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 25 states have (on average 5.84) internal successors, (146), 27 states have internal predecessors, (146), 7 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-13 12:46:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 430 transitions. [2024-11-13 12:46:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 12:46:31,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:31,992 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:32,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:46:32,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:32,193 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:32,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash 623313338, now seen corresponding path program 1 times [2024-11-13 12:46:32,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:32,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432439078] [2024-11-13 12:46:32,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 12:46:32,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565442289] [2024-11-13 12:46:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:32,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:32,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:32,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:46:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:33,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 12:46:33,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:33,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:46:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 13 proven. 375 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-13 12:46:34,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:42,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:42,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432439078] [2024-11-13 12:46:42,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 12:46:42,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565442289] [2024-11-13 12:46:42,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565442289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:42,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:46:42,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 12:46:42,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226885955] [2024-11-13 12:46:42,957 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:42,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:46:42,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:42,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:46:42,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=67, Unknown=2, NotChecked=0, Total=90 [2024-11-13 12:46:42,960 INFO L87 Difference]: Start difference. First operand 301 states and 430 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 12:46:44,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:44,582 INFO L93 Difference]: Finished difference Result 549 states and 775 transitions. [2024-11-13 12:46:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 12:46:44,583 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2024-11-13 12:46:44,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:44,591 INFO L225 Difference]: With dead ends: 549 [2024-11-13 12:46:44,591 INFO L226 Difference]: Without dead ends: 327 [2024-11-13 12:46:44,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=90, Invalid=288, Unknown=2, NotChecked=0, Total=380 [2024-11-13 12:46:44,593 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 242 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:44,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 676 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 12:46:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-13 12:46:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 313. [2024-11-13 12:46:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 250 states have (on average 1.328) internal successors, (332), 251 states have internal predecessors, (332), 53 states have call successors, (53), 9 states have call predecessors, (53), 9 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-13 12:46:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 438 transitions. [2024-11-13 12:46:44,644 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 438 transitions. Word has length 164 [2024-11-13 12:46:44,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:44,645 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 438 transitions. [2024-11-13 12:46:44,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-13 12:46:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 438 transitions. [2024-11-13 12:46:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-13 12:46:44,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:44,650 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:44,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:46:44,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8414d14-33e2-4d32-b69c-246dfbb6e494/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 12:46:44,851 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:46:44,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:44,851 INFO L85 PathProgramCache]: Analyzing trace with hash 763861948, now seen corresponding path program 1 times [2024-11-13 12:46:44,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:44,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592927200] [2024-11-13 12:46:44,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:44,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat