./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1 --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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:46:54,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:46:54,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:46:54,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:46:54,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:46:54,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:46:54,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:46:54,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:46:54,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:46:54,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:46:54,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:46:54,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:46:54,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:46:54,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:46:54,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:46:54,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:46:54,230 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:46:54,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:46:54,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:46:54,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:46:54,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:46:54,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:46:54,232 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_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1 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 -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2024-12-02 13:46:54,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:46:54,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:46:54,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:46:54,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:46:54,487 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:46:54,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-12-02 13:46:57,052 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/data/7c8fda484/68ccbdc604ab4ee5844141ba6343c89c/FLAG943053f51 [2024-12-02 13:46:57,262 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:46:57,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2024-12-02 13:46:57,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/data/7c8fda484/68ccbdc604ab4ee5844141ba6343c89c/FLAG943053f51 [2024-12-02 13:46:57,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/data/7c8fda484/68ccbdc604ab4ee5844141ba6343c89c [2024-12-02 13:46:57,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:46:57,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:46:57,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:46:57,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:46:57,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:46:57,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463cb09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57, skipping insertion in model container [2024-12-02 13:46:57,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:46:57,742 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_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-12-02 13:46:57,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:46:57,796 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:46:57,804 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_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2024-12-02 13:46:57,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:46:57,838 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:46:57,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57 WrapperNode [2024-12-02 13:46:57,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:46:57,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:46:57,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:46:57,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:46:57,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,882 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-12-02 13:46:57,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:46:57,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:46:57,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:46:57,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:46:57,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,915 INFO L175 MemorySlicer]: Split 107 memory accesses to 13 slices as follows [2, 7, 13, 12, 6, 12, 9, 8, 12, 7, 5, 10, 4]. 12 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-12-02 13:46:57,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:46:57,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:46:57,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:46:57,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:46:57,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (1/1) ... [2024-12-02 13:46:57,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:46:57,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:46:57,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:46:57,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:46:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:46:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:46:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:46:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:46:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:46:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:46:58,138 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:46:58,139 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:46:58,568 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-12-02 13:46:58,568 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:46:58,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:46:58,577 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:46:58,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:46:58 BoogieIcfgContainer [2024-12-02 13:46:58,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:46:58,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:46:58,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:46:58,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:46:58,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:46:57" (1/3) ... [2024-12-02 13:46:58,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c22f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:46:58, skipping insertion in model container [2024-12-02 13:46:58,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:46:57" (2/3) ... [2024-12-02 13:46:58,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c22f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:46:58, skipping insertion in model container [2024-12-02 13:46:58,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:46:58" (3/3) ... [2024-12-02 13:46:58,585 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-89.i [2024-12-02 13:46:58,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:46:58,596 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-89.i that has 2 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:46:58,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:46:58,649 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;@225133d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:46:58,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:46:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 86 states have (on average 1.441860465116279) internal successors, (124), 87 states have internal predecessors, (124), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:46:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:46:58,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:58,661 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:58,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:58,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:58,665 INFO L85 PathProgramCache]: Analyzing trace with hash 80080085, now seen corresponding path program 1 times [2024-12-02 13:46:58,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:58,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994501348] [2024-12-02 13:46:58,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:58,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:46:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:46:58,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:46:58,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994501348] [2024-12-02 13:46:58,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994501348] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:46:58,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105553930] [2024-12-02 13:46:58,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:58,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:46:58,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:46:58,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:46:58,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:46:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:59,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:46:59,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:46:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:46:59,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:46:59,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105553930] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:46:59,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:46:59,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:46:59,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892851162] [2024-12-02 13:46:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:46:59,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:46:59,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:46:59,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:46:59,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:46:59,188 INFO L87 Difference]: Start difference. First operand has 102 states, 86 states have (on average 1.441860465116279) internal successors, (124), 87 states have internal predecessors, (124), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 13:46:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:46:59,214 INFO L93 Difference]: Finished difference Result 197 states and 307 transitions. [2024-12-02 13:46:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:46:59,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 109 [2024-12-02 13:46:59,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:46:59,222 INFO L225 Difference]: With dead ends: 197 [2024-12-02 13:46:59,222 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 13:46:59,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:46:59,227 INFO L435 NwaCegarLoop]: 141 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, 141 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 [2024-12-02 13:46:59,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:46:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 13:46:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 13:46:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:46:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 141 transitions. [2024-12-02 13:46:59,264 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 141 transitions. Word has length 109 [2024-12-02 13:46:59,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:46:59,264 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 141 transitions. [2024-12-02 13:46:59,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 13:46:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2024-12-02 13:46:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:46:59,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:59,267 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:59,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:46:59,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:46:59,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:59,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:59,468 INFO L85 PathProgramCache]: Analyzing trace with hash 231956475, now seen corresponding path program 1 times [2024-12-02 13:46:59,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:59,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166183270] [2024-12-02 13:46:59,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:59,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:46:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:46:59,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:46:59,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166183270] [2024-12-02 13:46:59,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166183270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:46:59,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:46:59,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:46:59,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716994719] [2024-12-02 13:46:59,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:46:59,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:46:59,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:46:59,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:46:59,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:46:59,732 INFO L87 Difference]: Start difference. First operand 98 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:46:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:46:59,771 INFO L93 Difference]: Finished difference Result 196 states and 283 transitions. [2024-12-02 13:46:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:46:59,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:46:59,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:46:59,773 INFO L225 Difference]: With dead ends: 196 [2024-12-02 13:46:59,773 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 13:46:59,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:46:59,775 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:46:59,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 403 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:46:59,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 13:46:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-12-02 13:46:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:46:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2024-12-02 13:46:59,785 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 109 [2024-12-02 13:46:59,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:46:59,786 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2024-12-02 13:46:59,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:46:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2024-12-02 13:46:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:46:59,788 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:59,788 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:59,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:46:59,789 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:59,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:59,789 INFO L85 PathProgramCache]: Analyzing trace with hash 912014845, now seen corresponding path program 1 times [2024-12-02 13:46:59,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:59,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007751808] [2024-12-02 13:46:59,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:59,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:46:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:46:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:46:59,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:46:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007751808] [2024-12-02 13:46:59,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007751808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:46:59,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:46:59,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:46:59,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125668247] [2024-12-02 13:46:59,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:46:59,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:46:59,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:46:59,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:46:59,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:46:59,942 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:46:59,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:46:59,973 INFO L93 Difference]: Finished difference Result 200 states and 287 transitions. [2024-12-02 13:46:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:46:59,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:46:59,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:46:59,975 INFO L225 Difference]: With dead ends: 200 [2024-12-02 13:46:59,975 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 13:46:59,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:46:59,977 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:46:59,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 404 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:46:59,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 13:46:59,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2024-12-02 13:46:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:46:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 145 transitions. [2024-12-02 13:46:59,986 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 145 transitions. Word has length 109 [2024-12-02 13:46:59,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:46:59,987 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 145 transitions. [2024-12-02 13:46:59,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:46:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-12-02 13:46:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:46:59,989 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:46:59,989 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:46:59,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:46:59,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:46:59,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:46:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1607945089, now seen corresponding path program 1 times [2024-12-02 13:46:59,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:46:59,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459254998] [2024-12-02 13:46:59,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:46:59,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:00,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:00,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459254998] [2024-12-02 13:47:00,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459254998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:00,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:00,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:47:00,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578180517] [2024-12-02 13:47:00,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:00,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:47:00,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:00,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:47:00,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:47:00,101 INFO L87 Difference]: Start difference. First operand 102 states and 145 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:00,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:00,128 INFO L93 Difference]: Finished difference Result 204 states and 291 transitions. [2024-12-02 13:47:00,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:47:00,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:00,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:00,130 INFO L225 Difference]: With dead ends: 204 [2024-12-02 13:47:00,130 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 13:47:00,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:47:00,132 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:00,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:00,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 13:47:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2024-12-02 13:47:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 13:47:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2024-12-02 13:47:00,140 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 147 transitions. Word has length 109 [2024-12-02 13:47:00,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:00,141 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 147 transitions. [2024-12-02 13:47:00,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2024-12-02 13:47:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:00,143 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:00,143 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:00,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:47:00,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:00,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:00,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1606098047, now seen corresponding path program 1 times [2024-12-02 13:47:00,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:00,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947787536] [2024-12-02 13:47:00,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:00,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:01,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:01,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947787536] [2024-12-02 13:47:01,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947787536] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:01,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:01,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:47:01,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125993502] [2024-12-02 13:47:01,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:01,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:47:01,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:01,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:47:01,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:01,420 INFO L87 Difference]: Start difference. First operand 104 states and 147 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:01,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:01,729 INFO L93 Difference]: Finished difference Result 284 states and 401 transitions. [2024-12-02 13:47:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:47:01,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:01,731 INFO L225 Difference]: With dead ends: 284 [2024-12-02 13:47:01,731 INFO L226 Difference]: Without dead ends: 183 [2024-12-02 13:47:01,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:47:01,733 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 100 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:01,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 987 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:47:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-12-02 13:47:01,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-12-02 13:47:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 159 states have (on average 1.371069182389937) internal successors, (218), 160 states have internal predecessors, (218), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:47:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 254 transitions. [2024-12-02 13:47:01,748 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 254 transitions. Word has length 109 [2024-12-02 13:47:01,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:01,749 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 254 transitions. [2024-12-02 13:47:01,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 254 transitions. [2024-12-02 13:47:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:01,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:01,751 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:01,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:47:01,751 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:01,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:01,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1667800895, now seen corresponding path program 1 times [2024-12-02 13:47:01,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:01,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626469132] [2024-12-02 13:47:01,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:01,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:01,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:01,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626469132] [2024-12-02 13:47:01,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626469132] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:01,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:01,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:01,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711450829] [2024-12-02 13:47:01,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:01,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:01,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:01,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:01,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:01,999 INFO L87 Difference]: Start difference. First operand 180 states and 254 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:02,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:02,090 INFO L93 Difference]: Finished difference Result 362 states and 508 transitions. [2024-12-02 13:47:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:02,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:02,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:02,093 INFO L225 Difference]: With dead ends: 362 [2024-12-02 13:47:02,093 INFO L226 Difference]: Without dead ends: 185 [2024-12-02 13:47:02,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:02,094 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 171 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:02,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 410 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:02,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-12-02 13:47:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2024-12-02 13:47:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 161 states have (on average 1.360248447204969) internal successors, (219), 162 states have internal predecessors, (219), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 13:47:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 255 transitions. [2024-12-02 13:47:02,108 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 255 transitions. Word has length 109 [2024-12-02 13:47:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:02,109 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 255 transitions. [2024-12-02 13:47:02,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 255 transitions. [2024-12-02 13:47:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:02,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:02,110 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:02,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:47:02,110 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:02,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:02,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1927988566, now seen corresponding path program 1 times [2024-12-02 13:47:02,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:02,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426521761] [2024-12-02 13:47:02,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:02,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:03,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:03,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426521761] [2024-12-02 13:47:03,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426521761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:03,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:47:03,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562600165] [2024-12-02 13:47:03,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:03,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:47:03,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:03,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:47:03,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:47:03,074 INFO L87 Difference]: Start difference. First operand 183 states and 255 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 13:47:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:03,591 INFO L93 Difference]: Finished difference Result 598 states and 837 transitions. [2024-12-02 13:47:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:47:03,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-12-02 13:47:03,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:03,593 INFO L225 Difference]: With dead ends: 598 [2024-12-02 13:47:03,593 INFO L226 Difference]: Without dead ends: 418 [2024-12-02 13:47:03,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:47:03,594 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 637 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:03,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 656 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:47:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-12-02 13:47:03,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 369. [2024-12-02 13:47:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 326 states have (on average 1.3680981595092025) internal successors, (446), 328 states have internal predecessors, (446), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 13:47:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 518 transitions. [2024-12-02 13:47:03,620 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 518 transitions. Word has length 109 [2024-12-02 13:47:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:03,620 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 518 transitions. [2024-12-02 13:47:03,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 13:47:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 518 transitions. [2024-12-02 13:47:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:03,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:03,622 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:03,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:47:03,622 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:03,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1387243329, now seen corresponding path program 1 times [2024-12-02 13:47:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:03,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596834254] [2024-12-02 13:47:03,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:03,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:03,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596834254] [2024-12-02 13:47:03,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596834254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:03,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:03,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:03,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116713204] [2024-12-02 13:47:03,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:03,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:03,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:03,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:03,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:03,820 INFO L87 Difference]: Start difference. First operand 369 states and 518 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:03,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:03,913 INFO L93 Difference]: Finished difference Result 861 states and 1206 transitions. [2024-12-02 13:47:03,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:03,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:03,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:03,917 INFO L225 Difference]: With dead ends: 861 [2024-12-02 13:47:03,917 INFO L226 Difference]: Without dead ends: 495 [2024-12-02 13:47:03,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:03,919 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 91 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:03,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 574 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:03,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-12-02 13:47:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 489. [2024-12-02 13:47:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 438 states have (on average 1.36986301369863) internal successors, (600), 442 states have internal predecessors, (600), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 38 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:47:03,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 684 transitions. [2024-12-02 13:47:03,946 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 684 transitions. Word has length 109 [2024-12-02 13:47:03,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:03,947 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 684 transitions. [2024-12-02 13:47:03,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 684 transitions. [2024-12-02 13:47:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:03,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:03,948 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:03,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:47:03,948 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:03,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:03,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1886655613, now seen corresponding path program 1 times [2024-12-02 13:47:03,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:03,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133546276] [2024-12-02 13:47:03,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:04,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:04,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133546276] [2024-12-02 13:47:04,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133546276] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:04,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:04,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:47:04,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850911106] [2024-12-02 13:47:04,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:04,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:47:04,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:04,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:47:04,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:04,365 INFO L87 Difference]: Start difference. First operand 489 states and 684 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:04,542 INFO L93 Difference]: Finished difference Result 1049 states and 1466 transitions. [2024-12-02 13:47:04,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:47:04,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:04,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:04,546 INFO L225 Difference]: With dead ends: 1049 [2024-12-02 13:47:04,546 INFO L226 Difference]: Without dead ends: 563 [2024-12-02 13:47:04,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:47:04,547 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 136 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:04,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1133 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:04,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-12-02 13:47:04,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 539. [2024-12-02 13:47:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 466 states have (on average 1.3454935622317596) internal successors, (627), 470 states have internal predecessors, (627), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 13:47:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 751 transitions. [2024-12-02 13:47:04,590 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 751 transitions. Word has length 109 [2024-12-02 13:47:04,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:04,590 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 751 transitions. [2024-12-02 13:47:04,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 751 transitions. [2024-12-02 13:47:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:04,592 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:04,593 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:04,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:47:04,593 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:04,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:04,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1746368490, now seen corresponding path program 1 times [2024-12-02 13:47:04,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:04,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955052290] [2024-12-02 13:47:04,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:04,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:05,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:05,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955052290] [2024-12-02 13:47:05,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955052290] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:05,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:05,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:47:05,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348201536] [2024-12-02 13:47:05,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:05,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:05,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:05,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:05,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:05,139 INFO L87 Difference]: Start difference. First operand 539 states and 751 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:05,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:05,572 INFO L93 Difference]: Finished difference Result 1079 states and 1501 transitions. [2024-12-02 13:47:05,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:05,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:05,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:05,576 INFO L225 Difference]: With dead ends: 1079 [2024-12-02 13:47:05,576 INFO L226 Difference]: Without dead ends: 543 [2024-12-02 13:47:05,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:47:05,578 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 223 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:05,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 733 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:47:05,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-12-02 13:47:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 537. [2024-12-02 13:47:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 464 states have (on average 1.3426724137931034) internal successors, (623), 468 states have internal predecessors, (623), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 13:47:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 747 transitions. [2024-12-02 13:47:05,623 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 747 transitions. Word has length 109 [2024-12-02 13:47:05,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:05,623 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 747 transitions. [2024-12-02 13:47:05,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 747 transitions. [2024-12-02 13:47:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:05,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:05,625 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:05,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:47:05,626 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:05,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:05,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1424477971, now seen corresponding path program 1 times [2024-12-02 13:47:05,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:05,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39402607] [2024-12-02 13:47:05,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:06,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:06,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39402607] [2024-12-02 13:47:06,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39402607] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:06,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:06,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:47:06,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093356007] [2024-12-02 13:47:06,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:06,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:47:06,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:06,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:47:06,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:06,544 INFO L87 Difference]: Start difference. First operand 537 states and 747 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:06,877 INFO L93 Difference]: Finished difference Result 1257 states and 1747 transitions. [2024-12-02 13:47:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:47:06,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:06,881 INFO L225 Difference]: With dead ends: 1257 [2024-12-02 13:47:06,881 INFO L226 Difference]: Without dead ends: 723 [2024-12-02 13:47:06,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:47:06,883 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 108 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:06,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 999 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:47:06,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-12-02 13:47:06,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 718. [2024-12-02 13:47:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 620 states have (on average 1.3403225806451613) internal successors, (831), 627 states have internal predecessors, (831), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 76 states have call predecessors, (83), 83 states have call successors, (83) [2024-12-02 13:47:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 997 transitions. [2024-12-02 13:47:06,921 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 997 transitions. Word has length 109 [2024-12-02 13:47:06,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:06,922 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 997 transitions. [2024-12-02 13:47:06,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 997 transitions. [2024-12-02 13:47:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:06,924 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:06,924 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:06,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:47:06,924 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:06,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash 403409617, now seen corresponding path program 1 times [2024-12-02 13:47:06,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278474178] [2024-12-02 13:47:06,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:07,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:07,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278474178] [2024-12-02 13:47:07,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278474178] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:07,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:07,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:07,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542604347] [2024-12-02 13:47:07,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:07,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:07,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:07,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:07,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:07,069 INFO L87 Difference]: Start difference. First operand 718 states and 997 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:07,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:07,174 INFO L93 Difference]: Finished difference Result 1416 states and 1965 transitions. [2024-12-02 13:47:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:07,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:07,178 INFO L225 Difference]: With dead ends: 1416 [2024-12-02 13:47:07,178 INFO L226 Difference]: Without dead ends: 724 [2024-12-02 13:47:07,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:07,180 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 171 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:07,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 557 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:07,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-12-02 13:47:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 722. [2024-12-02 13:47:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 622 states have (on average 1.3344051446945338) internal successors, (830), 629 states have internal predecessors, (830), 83 states have call successors, (83), 16 states have call predecessors, (83), 16 states have return successors, (83), 76 states have call predecessors, (83), 83 states have call successors, (83) [2024-12-02 13:47:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 996 transitions. [2024-12-02 13:47:07,214 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 996 transitions. Word has length 109 [2024-12-02 13:47:07,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:07,214 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 996 transitions. [2024-12-02 13:47:07,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 996 transitions. [2024-12-02 13:47:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:07,215 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:07,215 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:07,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:47:07,216 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:07,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:07,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1643332689, now seen corresponding path program 1 times [2024-12-02 13:47:07,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:07,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228737433] [2024-12-02 13:47:07,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:07,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:07,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:07,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228737433] [2024-12-02 13:47:07,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228737433] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:07,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:07,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:07,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773548879] [2024-12-02 13:47:07,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:07,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:07,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:07,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:07,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:07,361 INFO L87 Difference]: Start difference. First operand 722 states and 996 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:07,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:07,454 INFO L93 Difference]: Finished difference Result 1430 states and 1970 transitions. [2024-12-02 13:47:07,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:07,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:07,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:07,457 INFO L225 Difference]: With dead ends: 1430 [2024-12-02 13:47:07,457 INFO L226 Difference]: Without dead ends: 734 [2024-12-02 13:47:07,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:07,459 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 91 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:07,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 574 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-12-02 13:47:07,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 560. [2024-12-02 13:47:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 497 states have (on average 1.352112676056338) internal successors, (672), 501 states have internal predecessors, (672), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:47:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 772 transitions. [2024-12-02 13:47:07,488 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 772 transitions. Word has length 109 [2024-12-02 13:47:07,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:07,489 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 772 transitions. [2024-12-02 13:47:07,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 772 transitions. [2024-12-02 13:47:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 13:47:07,491 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:07,491 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:07,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:47:07,491 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:07,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:07,491 INFO L85 PathProgramCache]: Analyzing trace with hash 622264335, now seen corresponding path program 1 times [2024-12-02 13:47:07,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:07,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22449827] [2024-12-02 13:47:07,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:07,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:07,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:07,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22449827] [2024-12-02 13:47:07,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22449827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:07,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:07,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:47:07,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947345312] [2024-12-02 13:47:07,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:07,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:47:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:07,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:47:07,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:07,793 INFO L87 Difference]: Start difference. First operand 560 states and 772 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:07,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:07,969 INFO L93 Difference]: Finished difference Result 1315 states and 1806 transitions. [2024-12-02 13:47:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:47:07,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 109 [2024-12-02 13:47:07,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:07,974 INFO L225 Difference]: With dead ends: 1315 [2024-12-02 13:47:07,974 INFO L226 Difference]: Without dead ends: 758 [2024-12-02 13:47:07,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:47:07,975 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 136 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:07,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1332 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-12-02 13:47:07,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 559. [2024-12-02 13:47:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 496 states have (on average 1.3508064516129032) internal successors, (670), 500 states have internal predecessors, (670), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 46 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:47:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 770 transitions. [2024-12-02 13:47:08,001 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 770 transitions. Word has length 109 [2024-12-02 13:47:08,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:08,001 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 770 transitions. [2024-12-02 13:47:08,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 770 transitions. [2024-12-02 13:47:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 13:47:08,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:08,002 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:08,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:47:08,003 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:08,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:08,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1648157893, now seen corresponding path program 1 times [2024-12-02 13:47:08,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:08,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163548111] [2024-12-02 13:47:08,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:08,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:08,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163548111] [2024-12-02 13:47:08,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163548111] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:08,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:08,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:08,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020185937] [2024-12-02 13:47:08,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:08,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:08,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:08,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:08,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:08,154 INFO L87 Difference]: Start difference. First operand 559 states and 770 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:08,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:08,301 INFO L93 Difference]: Finished difference Result 1345 states and 1854 transitions. [2024-12-02 13:47:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:08,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 111 [2024-12-02 13:47:08,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:08,304 INFO L225 Difference]: With dead ends: 1345 [2024-12-02 13:47:08,304 INFO L226 Difference]: Without dead ends: 789 [2024-12-02 13:47:08,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:47:08,306 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 110 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:08,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 503 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-12-02 13:47:08,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 682. [2024-12-02 13:47:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 603 states have (on average 1.3466003316749586) internal successors, (812), 607 states have internal predecessors, (812), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 938 transitions. [2024-12-02 13:47:08,334 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 938 transitions. Word has length 111 [2024-12-02 13:47:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:08,334 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 938 transitions. [2024-12-02 13:47:08,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 938 transitions. [2024-12-02 13:47:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 13:47:08,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:08,335 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:08,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:47:08,335 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:08,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash 898144979, now seen corresponding path program 1 times [2024-12-02 13:47:08,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:08,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040641371] [2024-12-02 13:47:08,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:08,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 13:47:08,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:08,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040641371] [2024-12-02 13:47:08,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040641371] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:47:08,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321222964] [2024-12-02 13:47:08,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:08,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:47:08,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:47:08,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:47:08,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:47:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:08,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:47:08,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:47:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:08,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:47:08,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321222964] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:08,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:47:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 13:47:08,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632533214] [2024-12-02 13:47:08,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:08,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:08,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:08,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:08,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:08,663 INFO L87 Difference]: Start difference. First operand 682 states and 938 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:08,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:08,708 INFO L93 Difference]: Finished difference Result 1256 states and 1729 transitions. [2024-12-02 13:47:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:08,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 111 [2024-12-02 13:47:08,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:08,711 INFO L225 Difference]: With dead ends: 1256 [2024-12-02 13:47:08,711 INFO L226 Difference]: Without dead ends: 700 [2024-12-02 13:47:08,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:08,713 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 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 [2024-12-02 13:47:08,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:08,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-12-02 13:47:08,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-12-02 13:47:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 621 states have (on average 1.3365539452495974) internal successors, (830), 625 states have internal predecessors, (830), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 956 transitions. [2024-12-02 13:47:08,740 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 956 transitions. Word has length 111 [2024-12-02 13:47:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:08,740 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 956 transitions. [2024-12-02 13:47:08,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 956 transitions. [2024-12-02 13:47:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 13:47:08,741 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:08,741 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:08,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:47:08,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 13:47:08,942 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:08,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:08,942 INFO L85 PathProgramCache]: Analyzing trace with hash 15762643, now seen corresponding path program 1 times [2024-12-02 13:47:08,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:08,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982669513] [2024-12-02 13:47:08,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:09,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:09,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982669513] [2024-12-02 13:47:09,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982669513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:09,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:09,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:47:09,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885936499] [2024-12-02 13:47:09,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:09,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:09,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:09,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:09,282 INFO L87 Difference]: Start difference. First operand 700 states and 956 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:09,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:09,380 INFO L93 Difference]: Finished difference Result 720 states and 981 transitions. [2024-12-02 13:47:09,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:09,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-12-02 13:47:09,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:09,384 INFO L225 Difference]: With dead ends: 720 [2024-12-02 13:47:09,384 INFO L226 Difference]: Without dead ends: 718 [2024-12-02 13:47:09,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:47:09,385 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 64 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:09,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 584 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-12-02 13:47:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2024-12-02 13:47:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 639 states have (on average 1.3270735524256652) internal successors, (848), 643 states have internal predecessors, (848), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 974 transitions. [2024-12-02 13:47:09,428 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 974 transitions. Word has length 113 [2024-12-02 13:47:09,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:09,428 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 974 transitions. [2024-12-02 13:47:09,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 974 transitions. [2024-12-02 13:47:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 13:47:09,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:09,430 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:09,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:47:09,430 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:09,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:09,430 INFO L85 PathProgramCache]: Analyzing trace with hash 17609685, now seen corresponding path program 1 times [2024-12-02 13:47:09,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:09,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302023895] [2024-12-02 13:47:09,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:09,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:09,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302023895] [2024-12-02 13:47:09,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302023895] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:09,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:09,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:47:09,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363151753] [2024-12-02 13:47:09,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:09,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:47:09,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:09,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:47:09,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:47:09,873 INFO L87 Difference]: Start difference. First operand 718 states and 974 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:10,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:10,099 INFO L93 Difference]: Finished difference Result 1314 states and 1781 transitions. [2024-12-02 13:47:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:47:10,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-12-02 13:47:10,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:10,103 INFO L225 Difference]: With dead ends: 1314 [2024-12-02 13:47:10,103 INFO L226 Difference]: Without dead ends: 722 [2024-12-02 13:47:10,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:47:10,105 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 202 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:10,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 782 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:47:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-12-02 13:47:10,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 718. [2024-12-02 13:47:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 639 states have (on average 1.322378716744914) internal successors, (845), 643 states have internal predecessors, (845), 63 states have call successors, (63), 15 states have call predecessors, (63), 15 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 971 transitions. [2024-12-02 13:47:10,148 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 971 transitions. Word has length 113 [2024-12-02 13:47:10,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:10,148 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 971 transitions. [2024-12-02 13:47:10,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 971 transitions. [2024-12-02 13:47:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 13:47:10,150 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:10,150 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:10,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:47:10,150 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:10,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:10,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1792617047, now seen corresponding path program 1 times [2024-12-02 13:47:10,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:10,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308655298] [2024-12-02 13:47:10,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:10,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:10,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308655298] [2024-12-02 13:47:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308655298] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:10,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81010573] [2024-12-02 13:47:10,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:10,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:10,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:10,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:10,331 INFO L87 Difference]: Start difference. First operand 718 states and 971 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:10,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:10,410 INFO L93 Difference]: Finished difference Result 1318 states and 1777 transitions. [2024-12-02 13:47:10,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:10,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-12-02 13:47:10,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:10,414 INFO L225 Difference]: With dead ends: 1318 [2024-12-02 13:47:10,414 INFO L226 Difference]: Without dead ends: 726 [2024-12-02 13:47:10,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:47:10,416 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 102 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:10,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 563 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:10,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-12-02 13:47:10,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2024-12-02 13:47:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 645 states have (on average 1.310077519379845) internal successors, (845), 649 states have internal predecessors, (845), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 971 transitions. [2024-12-02 13:47:10,464 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 971 transitions. Word has length 113 [2024-12-02 13:47:10,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:10,464 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 971 transitions. [2024-12-02 13:47:10,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 971 transitions. [2024-12-02 13:47:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 13:47:10,466 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:10,466 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:10,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:47:10,466 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:10,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:10,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1822291879, now seen corresponding path program 1 times [2024-12-02 13:47:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:10,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901901158] [2024-12-02 13:47:10,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 13:47:10,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:10,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901901158] [2024-12-02 13:47:10,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901901158] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:47:10,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532171850] [2024-12-02 13:47:10,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:10,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:47:10,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:47:10,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:47:10,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:47:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:10,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:47:10,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:47:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:10,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:47:10,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532171850] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:10,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:47:10,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 13:47:10,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268150317] [2024-12-02 13:47:10,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:10,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:10,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:10,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:10,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:10,823 INFO L87 Difference]: Start difference. First operand 726 states and 971 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:10,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:10,871 INFO L93 Difference]: Finished difference Result 1344 states and 1795 transitions. [2024-12-02 13:47:10,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:10,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2024-12-02 13:47:10,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:10,874 INFO L225 Difference]: With dead ends: 1344 [2024-12-02 13:47:10,874 INFO L226 Difference]: Without dead ends: 744 [2024-12-02 13:47:10,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:10,876 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:10,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 536 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:10,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-12-02 13:47:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2024-12-02 13:47:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 663 states have (on average 1.301659125188537) internal successors, (863), 667 states have internal predecessors, (863), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 989 transitions. [2024-12-02 13:47:10,903 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 989 transitions. Word has length 113 [2024-12-02 13:47:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:10,903 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 989 transitions. [2024-12-02 13:47:10,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 989 transitions. [2024-12-02 13:47:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 13:47:10,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:10,904 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:10,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:47:11,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:47:11,105 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:11,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:11,106 INFO L85 PathProgramCache]: Analyzing trace with hash 310078142, now seen corresponding path program 1 times [2024-12-02 13:47:11,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:11,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100784069] [2024-12-02 13:47:11,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:11,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 13:47:11,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:11,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100784069] [2024-12-02 13:47:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100784069] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:47:11,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012213928] [2024-12-02 13:47:11,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:11,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:47:11,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:47:11,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:47:11,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:47:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:11,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:47:11,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:47:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:11,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:47:11,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012213928] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:11,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:47:11,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 13:47:11,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126611309] [2024-12-02 13:47:11,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:11,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:11,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:11,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:11,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:47:11,467 INFO L87 Difference]: Start difference. First operand 744 states and 989 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:11,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:11,520 INFO L93 Difference]: Finished difference Result 1386 states and 1837 transitions. [2024-12-02 13:47:11,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:11,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 116 [2024-12-02 13:47:11,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:11,523 INFO L225 Difference]: With dead ends: 1386 [2024-12-02 13:47:11,523 INFO L226 Difference]: Without dead ends: 768 [2024-12-02 13:47:11,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:47:11,525 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:11,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 665 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2024-12-02 13:47:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 750. [2024-12-02 13:47:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.2989536621823616) internal successors, (869), 673 states have internal predecessors, (869), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 995 transitions. [2024-12-02 13:47:11,551 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 995 transitions. Word has length 116 [2024-12-02 13:47:11,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:11,552 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 995 transitions. [2024-12-02 13:47:11,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 995 transitions. [2024-12-02 13:47:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 13:47:11,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:11,553 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:11,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 13:47:11,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:47:11,754 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:11,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:11,754 INFO L85 PathProgramCache]: Analyzing trace with hash 211762456, now seen corresponding path program 1 times [2024-12-02 13:47:11,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:11,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297326822] [2024-12-02 13:47:11,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:11,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:12,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:12,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297326822] [2024-12-02 13:47:12,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297326822] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:12,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:12,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:12,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777921108] [2024-12-02 13:47:12,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:12,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:12,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:12,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:12,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:12,071 INFO L87 Difference]: Start difference. First operand 750 states and 995 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:12,221 INFO L93 Difference]: Finished difference Result 1378 states and 1823 transitions. [2024-12-02 13:47:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:12,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 118 [2024-12-02 13:47:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:12,225 INFO L225 Difference]: With dead ends: 1378 [2024-12-02 13:47:12,225 INFO L226 Difference]: Without dead ends: 754 [2024-12-02 13:47:12,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:12,228 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 87 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:12,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 493 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:12,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-12-02 13:47:12,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-12-02 13:47:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.2944693572496264) internal successors, (866), 673 states have internal predecessors, (866), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 992 transitions. [2024-12-02 13:47:12,294 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 992 transitions. Word has length 118 [2024-12-02 13:47:12,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:12,294 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 992 transitions. [2024-12-02 13:47:12,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 992 transitions. [2024-12-02 13:47:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 13:47:12,296 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:12,296 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:12,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:47:12,296 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:12,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:12,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1656840533, now seen corresponding path program 1 times [2024-12-02 13:47:12,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:12,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022844958] [2024-12-02 13:47:12,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:12,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:12,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:12,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022844958] [2024-12-02 13:47:12,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022844958] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:12,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:12,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:47:12,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758642876] [2024-12-02 13:47:12,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:12,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:12,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:12,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:12,560 INFO L87 Difference]: Start difference. First operand 750 states and 992 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:12,707 INFO L93 Difference]: Finished difference Result 1378 states and 1817 transitions. [2024-12-02 13:47:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:12,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 122 [2024-12-02 13:47:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:12,711 INFO L225 Difference]: With dead ends: 1378 [2024-12-02 13:47:12,711 INFO L226 Difference]: Without dead ends: 754 [2024-12-02 13:47:12,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:12,713 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 179 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:12,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 474 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:12,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-12-02 13:47:12,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-12-02 13:47:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.289985052316891) internal successors, (863), 673 states have internal predecessors, (863), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 989 transitions. [2024-12-02 13:47:12,758 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 989 transitions. Word has length 122 [2024-12-02 13:47:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:12,759 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 989 transitions. [2024-12-02 13:47:12,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 989 transitions. [2024-12-02 13:47:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 13:47:12,760 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:12,760 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:12,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:47:12,760 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:12,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1999509487, now seen corresponding path program 1 times [2024-12-02 13:47:12,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:12,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565526139] [2024-12-02 13:47:12,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:12,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:12,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:12,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565526139] [2024-12-02 13:47:12,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565526139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:12,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:12,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:47:12,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656631733] [2024-12-02 13:47:12,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:12,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:12,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:12,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:12,988 INFO L87 Difference]: Start difference. First operand 750 states and 989 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:13,128 INFO L93 Difference]: Finished difference Result 1378 states and 1811 transitions. [2024-12-02 13:47:13,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:13,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 123 [2024-12-02 13:47:13,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:13,133 INFO L225 Difference]: With dead ends: 1378 [2024-12-02 13:47:13,133 INFO L226 Difference]: Without dead ends: 754 [2024-12-02 13:47:13,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:13,135 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:13,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 611 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:13,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-12-02 13:47:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-12-02 13:47:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.2855007473841555) internal successors, (860), 673 states have internal predecessors, (860), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 986 transitions. [2024-12-02 13:47:13,180 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 986 transitions. Word has length 123 [2024-12-02 13:47:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:13,180 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 986 transitions. [2024-12-02 13:47:13,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 986 transitions. [2024-12-02 13:47:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:47:13,181 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:13,182 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:13,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:47:13,182 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:13,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:13,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1268947704, now seen corresponding path program 1 times [2024-12-02 13:47:13,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:13,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591493831] [2024-12-02 13:47:13,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:13,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:13,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:13,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591493831] [2024-12-02 13:47:13,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591493831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:13,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:13,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:47:13,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320914968] [2024-12-02 13:47:13,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:13,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:13,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:13,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:13,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:13,468 INFO L87 Difference]: Start difference. First operand 750 states and 986 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:13,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:13,605 INFO L93 Difference]: Finished difference Result 1378 states and 1805 transitions. [2024-12-02 13:47:13,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:13,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 124 [2024-12-02 13:47:13,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:13,609 INFO L225 Difference]: With dead ends: 1378 [2024-12-02 13:47:13,610 INFO L226 Difference]: Without dead ends: 754 [2024-12-02 13:47:13,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:13,611 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 83 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:13,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 596 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-12-02 13:47:13,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 750. [2024-12-02 13:47:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.28101644245142) internal successors, (857), 673 states have internal predecessors, (857), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 59 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 13:47:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 983 transitions. [2024-12-02 13:47:13,656 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 983 transitions. Word has length 124 [2024-12-02 13:47:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:13,656 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 983 transitions. [2024-12-02 13:47:13,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 983 transitions. [2024-12-02 13:47:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 13:47:13,657 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:13,657 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:13,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:47:13,658 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:13,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1094508302, now seen corresponding path program 1 times [2024-12-02 13:47:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223809327] [2024-12-02 13:47:13,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:13,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:14,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:14,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223809327] [2024-12-02 13:47:14,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223809327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:14,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:14,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:47:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904135597] [2024-12-02 13:47:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:14,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:47:14,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:14,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:47:14,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:47:14,210 INFO L87 Difference]: Start difference. First operand 750 states and 983 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:14,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:14,695 INFO L93 Difference]: Finished difference Result 2274 states and 2923 transitions. [2024-12-02 13:47:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 13:47:14,696 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 126 [2024-12-02 13:47:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:14,702 INFO L225 Difference]: With dead ends: 2274 [2024-12-02 13:47:14,702 INFO L226 Difference]: Without dead ends: 1650 [2024-12-02 13:47:14,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:47:14,703 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 197 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:14,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1645 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:47:14,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2024-12-02 13:47:14,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1372. [2024-12-02 13:47:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2431986809563067) internal successors, (1508), 1223 states have internal predecessors, (1508), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-12-02 13:47:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1754 transitions. [2024-12-02 13:47:14,792 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1754 transitions. Word has length 126 [2024-12-02 13:47:14,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:14,793 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1754 transitions. [2024-12-02 13:47:14,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1754 transitions. [2024-12-02 13:47:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 13:47:14,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:14,794 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:14,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:47:14,795 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:14,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:14,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1776312839, now seen corresponding path program 1 times [2024-12-02 13:47:14,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:14,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996444975] [2024-12-02 13:47:14,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:14,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:14,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:14,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996444975] [2024-12-02 13:47:14,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996444975] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:14,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:14,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:47:14,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887393215] [2024-12-02 13:47:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:14,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:47:14,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:14,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:47:14,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:47:14,952 INFO L87 Difference]: Start difference. First operand 1372 states and 1754 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:15,047 INFO L93 Difference]: Finished difference Result 2027 states and 2598 transitions. [2024-12-02 13:47:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:47:15,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 129 [2024-12-02 13:47:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:15,053 INFO L225 Difference]: With dead ends: 2027 [2024-12-02 13:47:15,053 INFO L226 Difference]: Without dead ends: 1378 [2024-12-02 13:47:15,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:15,055 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:15,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 395 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-12-02 13:47:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-12-02 13:47:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2366034624896949) internal successors, (1500), 1223 states have internal predecessors, (1500), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-12-02 13:47:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1746 transitions. [2024-12-02 13:47:15,134 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1746 transitions. Word has length 129 [2024-12-02 13:47:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:15,134 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1746 transitions. [2024-12-02 13:47:15,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1746 transitions. [2024-12-02 13:47:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 13:47:15,136 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:15,136 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:15,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 13:47:15,136 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:15,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:15,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1874605513, now seen corresponding path program 1 times [2024-12-02 13:47:15,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:15,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532837114] [2024-12-02 13:47:15,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:15,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:15,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532837114] [2024-12-02 13:47:15,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532837114] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:15,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:15,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:47:15,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769928075] [2024-12-02 13:47:15,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:15,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:47:15,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:15,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:47:15,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:47:15,274 INFO L87 Difference]: Start difference. First operand 1372 states and 1746 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:15,384 INFO L93 Difference]: Finished difference Result 2039 states and 2606 transitions. [2024-12-02 13:47:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:15,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 132 [2024-12-02 13:47:15,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:15,390 INFO L225 Difference]: With dead ends: 2039 [2024-12-02 13:47:15,390 INFO L226 Difference]: Without dead ends: 1378 [2024-12-02 13:47:15,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:15,391 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 95 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:15,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 382 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:47:15,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-12-02 13:47:15,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-12-02 13:47:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2300082440230833) internal successors, (1492), 1223 states have internal predecessors, (1492), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-12-02 13:47:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1738 transitions. [2024-12-02 13:47:15,453 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1738 transitions. Word has length 132 [2024-12-02 13:47:15,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:15,454 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1738 transitions. [2024-12-02 13:47:15,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:15,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1738 transitions. [2024-12-02 13:47:15,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 13:47:15,455 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:15,456 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:15,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:47:15,456 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:15,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1990734427, now seen corresponding path program 1 times [2024-12-02 13:47:15,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:15,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217052391] [2024-12-02 13:47:15,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:15,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:15,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:15,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217052391] [2024-12-02 13:47:15,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217052391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:15,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:15,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:15,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030241062] [2024-12-02 13:47:15,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:15,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:15,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:15,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:15,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:15,580 INFO L87 Difference]: Start difference. First operand 1372 states and 1738 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:15,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:15,724 INFO L93 Difference]: Finished difference Result 2039 states and 2594 transitions. [2024-12-02 13:47:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:15,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 133 [2024-12-02 13:47:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:15,729 INFO L225 Difference]: With dead ends: 2039 [2024-12-02 13:47:15,729 INFO L226 Difference]: Without dead ends: 1378 [2024-12-02 13:47:15,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:47:15,730 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 93 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:15,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 486 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-12-02 13:47:15,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-12-02 13:47:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2234130255564715) internal successors, (1484), 1223 states have internal predecessors, (1484), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-12-02 13:47:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1730 transitions. [2024-12-02 13:47:15,782 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1730 transitions. Word has length 133 [2024-12-02 13:47:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:15,782 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1730 transitions. [2024-12-02 13:47:15,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1730 transitions. [2024-12-02 13:47:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:47:15,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:15,784 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:15,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:47:15,784 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:15,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2009906548, now seen corresponding path program 1 times [2024-12-02 13:47:15,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:15,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533863217] [2024-12-02 13:47:15,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:15,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:15,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533863217] [2024-12-02 13:47:15,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533863217] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:15,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:15,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:47:15,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866371449] [2024-12-02 13:47:15,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:15,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:47:15,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:15,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:47:15,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:15,933 INFO L87 Difference]: Start difference. First operand 1372 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:16,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:16,113 INFO L93 Difference]: Finished difference Result 2027 states and 2562 transitions. [2024-12-02 13:47:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:47:16,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 134 [2024-12-02 13:47:16,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:16,117 INFO L225 Difference]: With dead ends: 2027 [2024-12-02 13:47:16,117 INFO L226 Difference]: Without dead ends: 1378 [2024-12-02 13:47:16,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:47:16,119 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 90 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:16,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 610 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-12-02 13:47:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1372. [2024-12-02 13:47:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2168178070898599) internal successors, (1476), 1223 states have internal predecessors, (1476), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-12-02 13:47:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1722 transitions. [2024-12-02 13:47:16,198 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1722 transitions. Word has length 134 [2024-12-02 13:47:16,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:16,198 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1722 transitions. [2024-12-02 13:47:16,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1722 transitions. [2024-12-02 13:47:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 13:47:16,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:16,200 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:16,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:47:16,200 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:16,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:16,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1690932808, now seen corresponding path program 1 times [2024-12-02 13:47:16,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:16,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230413055] [2024-12-02 13:47:16,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:16,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:16,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:16,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230413055] [2024-12-02 13:47:16,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230413055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:16,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:16,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:47:16,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341960274] [2024-12-02 13:47:16,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:16,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:47:16,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:16,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:47:16,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:47:16,395 INFO L87 Difference]: Start difference. First operand 1372 states and 1722 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:16,495 INFO L93 Difference]: Finished difference Result 2006 states and 2527 transitions. [2024-12-02 13:47:16,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:47:16,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-12-02 13:47:16,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:16,499 INFO L225 Difference]: With dead ends: 2006 [2024-12-02 13:47:16,499 INFO L226 Difference]: Without dead ends: 1374 [2024-12-02 13:47:16,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:47:16,501 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 157 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:16,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 419 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:47:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2024-12-02 13:47:16,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1372. [2024-12-02 13:47:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1213 states have (on average 1.2143446001648805) internal successors, (1473), 1223 states have internal predecessors, (1473), 123 states have call successors, (123), 35 states have call predecessors, (123), 35 states have return successors, (123), 113 states have call predecessors, (123), 123 states have call successors, (123) [2024-12-02 13:47:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1719 transitions. [2024-12-02 13:47:16,552 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1719 transitions. Word has length 136 [2024-12-02 13:47:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:16,553 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1719 transitions. [2024-12-02 13:47:16,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1719 transitions. [2024-12-02 13:47:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 13:47:16,554 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:16,555 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:16,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:47:16,555 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:16,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:16,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1031401286, now seen corresponding path program 1 times [2024-12-02 13:47:16,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:16,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436064257] [2024-12-02 13:47:16,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:47:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 13:47:17,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:47:17,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436064257] [2024-12-02 13:47:17,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436064257] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:47:17,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:47:17,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:47:17,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554365332] [2024-12-02 13:47:17,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:47:17,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:47:17,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:47:17,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:47:17,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:47:17,135 INFO L87 Difference]: Start difference. First operand 1372 states and 1719 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:17,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:47:17,657 INFO L93 Difference]: Finished difference Result 3550 states and 4406 transitions. [2024-12-02 13:47:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 13:47:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-12-02 13:47:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:47:17,663 INFO L225 Difference]: With dead ends: 3550 [2024-12-02 13:47:17,663 INFO L226 Difference]: Without dead ends: 2926 [2024-12-02 13:47:17,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:47:17,664 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 247 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:47:17,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 2880 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:47:17,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2024-12-02 13:47:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 1762. [2024-12-02 13:47:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1589 states have (on average 1.2303335431088736) internal successors, (1955), 1601 states have internal predecessors, (1955), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-12-02 13:47:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2221 transitions. [2024-12-02 13:47:17,764 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2221 transitions. Word has length 136 [2024-12-02 13:47:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:47:17,765 INFO L471 AbstractCegarLoop]: Abstraction has 1762 states and 2221 transitions. [2024-12-02 13:47:17,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:47:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2221 transitions. [2024-12-02 13:47:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 13:47:17,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:47:17,767 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:47:17,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 13:47:17,768 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:47:17,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:47:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash -126764528, now seen corresponding path program 1 times [2024-12-02 13:47:17,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:47:17,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760692845] [2024-12-02 13:47:17,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:47:17,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:47:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:49:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2024-12-02 13:49:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:49:28,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760692845] [2024-12-02 13:49:28,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760692845] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:49:28,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419144032] [2024-12-02 13:49:28,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:49:28,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:49:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:49:28,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:49:28,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:49:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:49:28,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 13:49:28,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:49:28,718 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 [2024-12-02 13:49:28,729 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 [2024-12-02 13:49:28,788 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 51 treesize of output 31 [2024-12-02 13:49:28,803 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 [2024-12-02 13:49:29,105 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 73 treesize of output 41 [2024-12-02 13:49:29,110 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 23 treesize of output 15 [2024-12-02 13:49:29,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 13 proven. 712 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-12-02 13:49:29,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:49:29,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2024-12-02 13:49:29,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419144032] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:49:29,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:49:29,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 7] total 16 [2024-12-02 13:49:29,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563220913] [2024-12-02 13:49:29,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:49:29,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:49:29,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:49:29,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:49:29,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:49:29,440 INFO L87 Difference]: Start difference. First operand 1762 states and 2221 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:49:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:49:29,638 INFO L93 Difference]: Finished difference Result 3002 states and 3811 transitions. [2024-12-02 13:49:29,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:49:29,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 221 [2024-12-02 13:49:29,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:49:29,644 INFO L225 Difference]: With dead ends: 3002 [2024-12-02 13:49:29,644 INFO L226 Difference]: Without dead ends: 2169 [2024-12-02 13:49:29,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 437 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:49:29,645 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 148 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:49:29,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 395 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:49:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2024-12-02 13:49:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 1732. [2024-12-02 13:49:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1559 states have (on average 1.2187299550994226) internal successors, (1900), 1571 states have internal predecessors, (1900), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-12-02 13:49:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2166 transitions. [2024-12-02 13:49:29,700 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2166 transitions. Word has length 221 [2024-12-02 13:49:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:49:29,700 INFO L471 AbstractCegarLoop]: Abstraction has 1732 states and 2166 transitions. [2024-12-02 13:49:29,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:49:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2166 transitions. [2024-12-02 13:49:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 13:49:29,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:49:29,703 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:49:29,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 13:49:29,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-12-02 13:49:29,903 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:49:29,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:49:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -747374768, now seen corresponding path program 1 times [2024-12-02 13:49:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:49:29,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569926712] [2024-12-02 13:49:29,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:49:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:49:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2024-12-02 13:50:27,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:27,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569926712] [2024-12-02 13:50:27,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569926712] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:27,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527749636] [2024-12-02 13:50:27,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:27,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:50:27,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:50:27,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:50:27,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 13:50:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:28,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 13:50:28,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:50:28,391 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 [2024-12-02 13:50:28,402 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 [2024-12-02 13:50:28,428 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 20 [2024-12-02 13:50:28,432 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 [2024-12-02 13:50:28,729 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 166 treesize of output 118 [2024-12-02 13:50:28,734 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 119 treesize of output 83 [2024-12-02 13:50:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 15 proven. 710 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-12-02 13:50:28,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:50:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2024-12-02 13:50:29,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527749636] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:29,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:50:29,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 7] total 17 [2024-12-02 13:50:29,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349319748] [2024-12-02 13:50:29,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:29,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:50:29,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:29,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:50:29,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:50:29,456 INFO L87 Difference]: Start difference. First operand 1732 states and 2166 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:29,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:29,719 INFO L93 Difference]: Finished difference Result 2952 states and 3716 transitions. [2024-12-02 13:50:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:50:29,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 221 [2024-12-02 13:50:29,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:29,724 INFO L225 Difference]: With dead ends: 2952 [2024-12-02 13:50:29,724 INFO L226 Difference]: Without dead ends: 2149 [2024-12-02 13:50:29,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 435 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:50:29,726 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 152 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:29,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 499 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:50:29,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2024-12-02 13:50:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1712. [2024-12-02 13:50:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1539 states have (on average 1.2098765432098766) internal successors, (1862), 1551 states have internal predecessors, (1862), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-12-02 13:50:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2128 transitions. [2024-12-02 13:50:29,810 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2128 transitions. Word has length 221 [2024-12-02 13:50:29,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:29,811 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2128 transitions. [2024-12-02 13:50:29,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2128 transitions. [2024-12-02 13:50:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 13:50:29,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:29,812 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:29,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-02 13:50:30,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-12-02 13:50:30,013 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:30,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:30,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2112920029, now seen corresponding path program 1 times [2024-12-02 13:50:30,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:30,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082053953] [2024-12-02 13:50:30,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-12-02 13:50:30,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:30,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082053953] [2024-12-02 13:50:30,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082053953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:30,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:50:30,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:50:30,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229065915] [2024-12-02 13:50:30,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:30,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:50:30,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:30,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:50:30,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:50:30,103 INFO L87 Difference]: Start difference. First operand 1712 states and 2128 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:30,170 INFO L93 Difference]: Finished difference Result 3643 states and 4576 transitions. [2024-12-02 13:50:30,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:50:30,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 223 [2024-12-02 13:50:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:30,176 INFO L225 Difference]: With dead ends: 3643 [2024-12-02 13:50:30,176 INFO L226 Difference]: Without dead ends: 2095 [2024-12-02 13:50:30,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:50:30,179 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 72 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:30,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 412 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:50:30,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2024-12-02 13:50:30,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 1684. [2024-12-02 13:50:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1511 states have (on average 1.213765718067505) internal successors, (1834), 1523 states have internal predecessors, (1834), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-12-02 13:50:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2100 transitions. [2024-12-02 13:50:30,236 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2100 transitions. Word has length 223 [2024-12-02 13:50:30,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:30,236 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 2100 transitions. [2024-12-02 13:50:30,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2100 transitions. [2024-12-02 13:50:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 13:50:30,237 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:30,237 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:30,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 13:50:30,237 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:30,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:30,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1638862907, now seen corresponding path program 1 times [2024-12-02 13:50:30,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:30,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672720858] [2024-12-02 13:50:30,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:30,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-12-02 13:50:30,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:30,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672720858] [2024-12-02 13:50:30,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672720858] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:30,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:50:30,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:50:30,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776362682] [2024-12-02 13:50:30,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:30,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:50:30,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:30,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:50:30,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:50:30,332 INFO L87 Difference]: Start difference. First operand 1684 states and 2100 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:30,435 INFO L93 Difference]: Finished difference Result 2944 states and 3728 transitions. [2024-12-02 13:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:50:30,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-12-02 13:50:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:30,440 INFO L225 Difference]: With dead ends: 2944 [2024-12-02 13:50:30,440 INFO L226 Difference]: Without dead ends: 1976 [2024-12-02 13:50:30,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:50:30,441 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 75 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:30,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 531 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:50:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2024-12-02 13:50:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1684. [2024-12-02 13:50:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1511 states have (on average 1.2071475843812045) internal successors, (1824), 1523 states have internal predecessors, (1824), 133 states have call successors, (133), 39 states have call predecessors, (133), 39 states have return successors, (133), 121 states have call predecessors, (133), 133 states have call successors, (133) [2024-12-02 13:50:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2090 transitions. [2024-12-02 13:50:30,500 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2090 transitions. Word has length 225 [2024-12-02 13:50:30,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:30,500 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 2090 transitions. [2024-12-02 13:50:30,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2090 transitions. [2024-12-02 13:50:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 13:50:30,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:30,502 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:30,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 13:50:30,502 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:30,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:30,502 INFO L85 PathProgramCache]: Analyzing trace with hash 106763262, now seen corresponding path program 1 times [2024-12-02 13:50:30,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:30,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084168927] [2024-12-02 13:50:30,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:30,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 147 proven. 32 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 13:50:32,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:32,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084168927] [2024-12-02 13:50:32,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084168927] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:32,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602773294] [2024-12-02 13:50:32,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:32,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:50:32,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:50:32,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:50:32,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 13:50:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:32,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 13:50:32,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:50:32,969 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 [2024-12-02 13:50:32,997 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 [2024-12-02 13:50:33,180 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 65 treesize of output 53 [2024-12-02 13:50:33,229 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 59 treesize of output 39 [2024-12-02 13:50:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 13:50:33,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:50:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-12-02 13:50:33,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602773294] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:33,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:50:33,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20, 10] total 26 [2024-12-02 13:50:33,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539500975] [2024-12-02 13:50:33,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:33,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:50:33,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:33,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:50:33,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:50:33,581 INFO L87 Difference]: Start difference. First operand 1684 states and 2090 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:34,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:34,036 INFO L93 Difference]: Finished difference Result 3415 states and 4300 transitions. [2024-12-02 13:50:34,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:50:34,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-12-02 13:50:34,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:34,040 INFO L225 Difference]: With dead ends: 3415 [2024-12-02 13:50:34,041 INFO L226 Difference]: Without dead ends: 2447 [2024-12-02 13:50:34,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2024-12-02 13:50:34,042 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 111 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:34,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1593 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:50:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-12-02 13:50:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2443. [2024-12-02 13:50:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2443 states, 2202 states have (on average 1.2179836512261581) internal successors, (2682), 2222 states have internal predecessors, (2682), 185 states have call successors, (185), 55 states have call predecessors, (185), 55 states have return successors, (185), 165 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:50:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3052 transitions. [2024-12-02 13:50:34,127 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3052 transitions. Word has length 225 [2024-12-02 13:50:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:34,127 INFO L471 AbstractCegarLoop]: Abstraction has 2443 states and 3052 transitions. [2024-12-02 13:50:34,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3052 transitions. [2024-12-02 13:50:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 13:50:34,129 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:34,129 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:34,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 13:50:34,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-12-02 13:50:34,329 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:34,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:34,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1173100416, now seen corresponding path program 1 times [2024-12-02 13:50:34,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:34,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292782222] [2024-12-02 13:50:34,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:34,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-12-02 13:50:34,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:34,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292782222] [2024-12-02 13:50:34,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292782222] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:34,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:50:34,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:50:34,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341933193] [2024-12-02 13:50:34,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:34,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:50:34,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:34,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:50:34,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:50:34,506 INFO L87 Difference]: Start difference. First operand 2443 states and 3052 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:34,669 INFO L93 Difference]: Finished difference Result 4110 states and 5178 transitions. [2024-12-02 13:50:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:50:34,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-12-02 13:50:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:34,674 INFO L225 Difference]: With dead ends: 4110 [2024-12-02 13:50:34,674 INFO L226 Difference]: Without dead ends: 2383 [2024-12-02 13:50:34,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:50:34,676 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 103 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:34,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 798 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:50:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-12-02 13:50:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2379. [2024-12-02 13:50:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2138 states have (on average 1.215154349859682) internal successors, (2598), 2158 states have internal predecessors, (2598), 185 states have call successors, (185), 55 states have call predecessors, (185), 55 states have return successors, (185), 165 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:50:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 2968 transitions. [2024-12-02 13:50:34,761 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 2968 transitions. Word has length 225 [2024-12-02 13:50:34,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:34,762 INFO L471 AbstractCegarLoop]: Abstraction has 2379 states and 2968 transitions. [2024-12-02 13:50:34,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2968 transitions. [2024-12-02 13:50:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 13:50:34,763 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:34,763 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:34,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 13:50:34,764 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:34,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash 129395516, now seen corresponding path program 1 times [2024-12-02 13:50:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:34,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576378337] [2024-12-02 13:50:34,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:34,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2024-12-02 13:50:35,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:35,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576378337] [2024-12-02 13:50:35,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576378337] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:35,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359877985] [2024-12-02 13:50:35,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:35,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:50:35,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:50:35,054 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:50:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 13:50:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:35,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:50:35,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:50:35,418 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 21 treesize of output 13 [2024-12-02 13:50:35,421 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 [2024-12-02 13:50:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-12-02 13:50:35,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:50:35,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359877985] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:35,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:50:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2024-12-02 13:50:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544761953] [2024-12-02 13:50:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:35,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:50:35,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:35,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:50:35,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:50:35,426 INFO L87 Difference]: Start difference. First operand 2379 states and 2968 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:35,609 INFO L93 Difference]: Finished difference Result 4508 states and 5673 transitions. [2024-12-02 13:50:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:50:35,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-12-02 13:50:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:35,616 INFO L225 Difference]: With dead ends: 4508 [2024-12-02 13:50:35,616 INFO L226 Difference]: Without dead ends: 2845 [2024-12-02 13:50:35,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:50:35,618 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 106 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:35,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 715 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:50:35,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2024-12-02 13:50:35,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 2383. [2024-12-02 13:50:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2141 states have (on average 1.2101821578701542) internal successors, (2591), 2161 states have internal predecessors, (2591), 185 states have call successors, (185), 56 states have call predecessors, (185), 56 states have return successors, (185), 165 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:50:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 2961 transitions. [2024-12-02 13:50:35,708 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 2961 transitions. Word has length 225 [2024-12-02 13:50:35,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:35,708 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 2961 transitions. [2024-12-02 13:50:35,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2961 transitions. [2024-12-02 13:50:35,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 13:50:35,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:35,710 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:35,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 13:50:35,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-12-02 13:50:35,911 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:35,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1150468162, now seen corresponding path program 1 times [2024-12-02 13:50:35,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:35,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595188146] [2024-12-02 13:50:35,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:35,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 147 proven. 32 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2024-12-02 13:50:37,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:37,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595188146] [2024-12-02 13:50:37,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595188146] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:37,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765421056] [2024-12-02 13:50:37,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:37,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:50:37,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:50:37,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:50:37,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 13:50:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:38,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 13:50:38,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:50:38,524 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 [2024-12-02 13:50:38,556 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 [2024-12-02 13:50:38,703 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 57 treesize of output 45 [2024-12-02 13:50:38,750 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 49 treesize of output 29 [2024-12-02 13:50:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 9 proven. 214 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2024-12-02 13:50:38,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:50:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-12-02 13:50:39,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765421056] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:39,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:50:39,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20, 10] total 26 [2024-12-02 13:50:39,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101031568] [2024-12-02 13:50:39,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:39,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:50:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:39,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:50:39,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:50:39,053 INFO L87 Difference]: Start difference. First operand 2383 states and 2961 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:39,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:39,581 INFO L93 Difference]: Finished difference Result 4500 states and 5647 transitions. [2024-12-02 13:50:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:50:39,582 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 225 [2024-12-02 13:50:39,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:39,587 INFO L225 Difference]: With dead ends: 4500 [2024-12-02 13:50:39,587 INFO L226 Difference]: Without dead ends: 2837 [2024-12-02 13:50:39,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2024-12-02 13:50:39,589 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 110 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:39,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1705 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:50:39,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2024-12-02 13:50:39,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2833. [2024-12-02 13:50:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2517 states have (on average 1.211362733412793) internal successors, (3049), 2545 states have internal predecessors, (3049), 241 states have call successors, (241), 74 states have call predecessors, (241), 74 states have return successors, (241), 213 states have call predecessors, (241), 241 states have call successors, (241) [2024-12-02 13:50:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 3531 transitions. [2024-12-02 13:50:39,735 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 3531 transitions. Word has length 225 [2024-12-02 13:50:39,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:39,736 INFO L471 AbstractCegarLoop]: Abstraction has 2833 states and 3531 transitions. [2024-12-02 13:50:39,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3531 transitions. [2024-12-02 13:50:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-12-02 13:50:39,738 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:39,738 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:39,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 13:50:39,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-02 13:50:39,938 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:39,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash -291008960, now seen corresponding path program 1 times [2024-12-02 13:50:39,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:39,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225323077] [2024-12-02 13:50:39,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:39,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2024-12-02 13:50:40,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:40,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225323077] [2024-12-02 13:50:40,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225323077] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:50:40,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:50:40,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:50:40,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792902815] [2024-12-02 13:50:40,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:50:40,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:50:40,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:40,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:50:40,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:50:40,594 INFO L87 Difference]: Start difference. First operand 2833 states and 3531 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:40,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:40,849 INFO L93 Difference]: Finished difference Result 4929 states and 6181 transitions. [2024-12-02 13:50:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:50:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 227 [2024-12-02 13:50:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:40,858 INFO L225 Difference]: With dead ends: 4929 [2024-12-02 13:50:40,858 INFO L226 Difference]: Without dead ends: 2816 [2024-12-02 13:50:40,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:50:40,861 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 228 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:40,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 533 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:50:40,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2024-12-02 13:50:41,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2815. [2024-12-02 13:50:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2499 states have (on average 1.2008803521408564) internal successors, (3001), 2527 states have internal predecessors, (3001), 241 states have call successors, (241), 74 states have call predecessors, (241), 74 states have return successors, (241), 213 states have call predecessors, (241), 241 states have call successors, (241) [2024-12-02 13:50:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 3483 transitions. [2024-12-02 13:50:41,113 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 3483 transitions. Word has length 227 [2024-12-02 13:50:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:41,113 INFO L471 AbstractCegarLoop]: Abstraction has 2815 states and 3483 transitions. [2024-12-02 13:50:41,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 13:50:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3483 transitions. [2024-12-02 13:50:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 13:50:41,117 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:50:41,117 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:41,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 13:50:41,117 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:50:41,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:50:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1179856269, now seen corresponding path program 1 times [2024-12-02 13:50:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:50:41,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731935114] [2024-12-02 13:50:41,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:41,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:50:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-12-02 13:50:42,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:50:42,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731935114] [2024-12-02 13:50:42,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731935114] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:50:42,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95343386] [2024-12-02 13:50:42,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:50:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:50:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:50:42,024 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:50:42,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 13:50:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:50:42,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 13:50:42,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:50:42,632 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 [2024-12-02 13:50:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 14 proven. 461 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 13:50:42,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:50:42,970 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 27 treesize of output 23 [2024-12-02 13:50:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-12-02 13:50:43,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95343386] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:50:43,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:50:43,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 17 [2024-12-02 13:50:43,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676453671] [2024-12-02 13:50:43,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:50:43,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:50:43,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:50:43,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:50:43,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:50:43,208 INFO L87 Difference]: Start difference. First operand 2815 states and 3483 transitions. Second operand has 17 states, 14 states have (on average 13.571428571428571) internal successors, (190), 17 states have internal predecessors, (190), 9 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (56), 6 states have call predecessors, (56), 9 states have call successors, (56) [2024-12-02 13:50:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:50:43,653 INFO L93 Difference]: Finished difference Result 5121 states and 6269 transitions. [2024-12-02 13:50:43,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:50:43,654 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 13.571428571428571) internal successors, (190), 17 states have internal predecessors, (190), 9 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (56), 6 states have call predecessors, (56), 9 states have call successors, (56) Word has length 232 [2024-12-02 13:50:43,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:50:43,655 INFO L225 Difference]: With dead ends: 5121 [2024-12-02 13:50:43,655 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:50:43,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 457 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2024-12-02 13:50:43,659 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 190 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:50:43,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 566 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:50:43,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:50:43,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:50:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:50:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:50:43,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2024-12-02 13:50:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:50:43,662 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:50:43,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 13.571428571428571) internal successors, (190), 17 states have internal predecessors, (190), 9 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (56), 6 states have call predecessors, (56), 9 states have call successors, (56) [2024-12-02 13:50:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:50:43,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:50:43,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:50:43,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 13:50:43,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-12-02 13:50:43,867 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:50:43,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:51:04,142 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 935 DAG size of output: 92 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:51:16,047 WARN L286 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 921 DAG size of output: 96 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:51:22,874 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:51:22,883 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 13:51:22,883 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 13:51:22,884 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 13:51:22,885 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 13:51:22,885 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,886 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,887 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_6_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,888 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,889 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 13:51:22,890 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,891 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,892 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-12-02 13:51:22,893 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~#var_1_15~0!base,GLOBAL]]] [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 13:51:22,894 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,895 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IntegerLiteral[12]]] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~#var_1_14~0!base,GLOBAL]]] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#7 [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-12-02 13:51:22,896 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#11 [2024-12-02 13:51:22,897 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#6 [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#10 [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#8 [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 13:51:22,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset [2024-12-02 13:51:22,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-12-02 13:51:22,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:51:22 BoogieIcfgContainer [2024-12-02 13:51:22,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:51:22,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:51:22,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:51:22,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:51:22,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:46:58" (3/4) ... [2024-12-02 13:51:22,902 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:51:22,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 13:51:22,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 13:51:22,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 13:51:22,913 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 13:51:22,914 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:51:22,998 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:51:22,998 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:51:22,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:51:22,999 INFO L158 Benchmark]: Toolchain (without parser) took 265375.02ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 118.4MB in the beginning and 722.6MB in the end (delta: -604.2MB). Peak memory consumption was 660.9MB. Max. memory is 16.1GB. [2024-12-02 13:51:22,999 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:51:22,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.46ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 104.2MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:51:22,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.51ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 100.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:51:22,999 INFO L158 Benchmark]: Boogie Preprocessor took 59.53ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 96.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:51:23,000 INFO L158 Benchmark]: RCFGBuilder took 634.86ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 112.1MB in the end (delta: -15.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-12-02 13:51:23,000 INFO L158 Benchmark]: TraceAbstraction took 264319.72ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 111.5MB in the beginning and 730.8MB in the end (delta: -619.3MB). Peak memory consumption was 876.8MB. Max. memory is 16.1GB. [2024-12-02 13:51:23,000 INFO L158 Benchmark]: Witness Printer took 98.65ms. Allocated memory is still 1.4GB. Free memory was 730.8MB in the beginning and 722.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:51:23,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.46ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 104.2MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.51ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 100.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.53ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 96.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 634.86ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 112.1MB in the end (delta: -15.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * TraceAbstraction took 264319.72ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 111.5MB in the beginning and 730.8MB in the end (delta: -619.3MB). Peak memory consumption was 876.8MB. Max. memory is 16.1GB. * Witness Printer took 98.65ms. Allocated memory is still 1.4GB. Free memory was 730.8MB in the beginning and 722.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~var_1_6_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~#var_1_15~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_3~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IntegerLiteral[12]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~#var_1_14~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#7 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#7,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#7,GLOBAL],[IdentifierExpression[~var_1_9_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~var_1_5_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#11 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#11,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#11,GLOBAL],[IdentifierExpression[~var_1_14_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#6,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#6,GLOBAL],[IdentifierExpression[~var_1_8_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#10 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#10,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#10,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#8 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#8,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#8,GLOBAL],[IdentifierExpression[~var_1_10_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~var_1_7_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~var_1_3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_15_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_7~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 225.2s, OverallIterations: 42, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5066 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5066 mSDsluCounter, 30215 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23436 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4040 IncrementalHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 6779 mSDtfsCounter, 4040 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3323 GetRequests, 2965 SyntacticMatches, 6 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2833occurred in iteration=40, InterpolantAutomatonStates: 285, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 42 MinimizatonAttempts, 4138 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 207.1s InterpolantComputationTime, 7776 NumberOfCodeBlocks, 7776 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 8843 ConstructedInterpolants, 0 QuantifiedInterpolants, 37163 SizeOfPredicates, 55 NumberOfNonLiveVariables, 6492 ConjunctsInSsa, 151 ConjunctsInUnsatCore, 57 InterpolantComputations, 41 PerfectInterpolantSequences, 36823/39673 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 13:51:23,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b30b30c-c226-4d73-91cc-4cb6b7fdfa17/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE