./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/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 7f3df0b4eae1d513bdc1ba52a53496aa05ff593bd28211e99c6fbfee672a86c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:14:25,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:14:25,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:14:25,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:14:25,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:14:25,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:14:25,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:14:25,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:14:25,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:14:25,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:14:25,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:14:25,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:14:25,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:14:25,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:14:25,327 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:14:25,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:14:25,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:14:25,329 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:14:25,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:14:25,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:14:25,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:14:25,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:14:25,331 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/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 -> 7f3df0b4eae1d513bdc1ba52a53496aa05ff593bd28211e99c6fbfee672a86c9 [2024-12-02 07:14:25,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:14:25,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:14:25,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:14:25,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:14:25,602 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:14:25,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-02 07:14:28,271 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/data/7b894f305/2029d2248afa4713bcff3031fc529cbd/FLAG3a3620ceb [2024-12-02 07:14:28,535 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:14:28,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-02 07:14:28,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/data/7b894f305/2029d2248afa4713bcff3031fc529cbd/FLAG3a3620ceb [2024-12-02 07:14:28,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/data/7b894f305/2029d2248afa4713bcff3031fc529cbd [2024-12-02 07:14:28,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:14:28,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:14:28,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:14:28,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:14:28,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:14:28,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:14:28" (1/1) ... [2024-12-02 07:14:28,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1306015e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:28, skipping insertion in model container [2024-12-02 07:14:28,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:14:28" (1/1) ... [2024-12-02 07:14:28,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:14:28,815 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2024-12-02 07:14:28,837 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2024-12-02 07:14:28,856 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2024-12-02 07:14:28,873 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2024-12-02 07:14:28,891 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2024-12-02 07:14:28,907 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2024-12-02 07:14:28,923 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2024-12-02 07:14:28,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:14:28,973 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:14:29,012 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2024-12-02 07:14:29,025 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2024-12-02 07:14:29,038 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2024-12-02 07:14:29,048 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2024-12-02 07:14:29,058 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2024-12-02 07:14:29,066 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2024-12-02 07:14:29,074 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_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2024-12-02 07:14:29,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:14:29,113 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:14:29,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29 WrapperNode [2024-12-02 07:14:29,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:14:29,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:14:29,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:14:29,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:14:29,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,177 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1340 [2024-12-02 07:14:29,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:14:29,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:14:29,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:14:29,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:14:29,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,213 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 07:14:29,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,232 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:14:29,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:14:29,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:14:29,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:14:29,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (1/1) ... [2024-12-02 07:14:29,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:14:29,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:29,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:14:29,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:14:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:14:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:14:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:14:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:14:29,447 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:14:29,448 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:14:30,474 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2024-12-02 07:14:30,475 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:14:30,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:14:30,494 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 07:14:30,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:30 BoogieIcfgContainer [2024-12-02 07:14:30,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:14:30,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:14:30,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:14:30,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:14:30,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:14:28" (1/3) ... [2024-12-02 07:14:30,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357b00b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:30, skipping insertion in model container [2024-12-02 07:14:30,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:29" (2/3) ... [2024-12-02 07:14:30,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357b00b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:30, skipping insertion in model container [2024-12-02 07:14:30,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:30" (3/3) ... [2024-12-02 07:14:30,504 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-02 07:14:30,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:14:30,521 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 266 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-12-02 07:14:30,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:14:30,599 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;@5864e927, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:14:30,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-12-02 07:14:30,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 266 states, 258 states have (on average 1.8294573643410852) internal successors, (472), 265 states have internal predecessors, (472), 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 07:14:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 07:14:30,614 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:30,615 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:30,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:30,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash -102713619, now seen corresponding path program 1 times [2024-12-02 07:14:30,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:30,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877971631] [2024-12-02 07:14:30,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:30,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:31,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:31,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877971631] [2024-12-02 07:14:31,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877971631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:31,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:31,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:14:31,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468037720] [2024-12-02 07:14:31,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:31,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:31,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:31,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:31,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:31,052 INFO L87 Difference]: Start difference. First operand has 266 states, 258 states have (on average 1.8294573643410852) internal successors, (472), 265 states have internal predecessors, (472), 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) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 07:14:31,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:31,313 INFO L93 Difference]: Finished difference Result 343 states and 586 transitions. [2024-12-02 07:14:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:31,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) Word has length 47 [2024-12-02 07:14:31,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:31,322 INFO L225 Difference]: With dead ends: 343 [2024-12-02 07:14:31,322 INFO L226 Difference]: Without dead ends: 193 [2024-12-02 07:14:31,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:14:31,328 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 934 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:31,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 249 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:31,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-12-02 07:14:31,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-12-02 07:14:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 186 states have (on average 1.2795698924731183) internal successors, (238), 192 states have internal predecessors, (238), 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 07:14:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2024-12-02 07:14:31,360 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 47 [2024-12-02 07:14:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:31,361 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2024-12-02 07:14:31,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 07:14:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2024-12-02 07:14:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 07:14:31,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:31,363 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:31,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:14:31,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:31,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:31,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1933719334, now seen corresponding path program 1 times [2024-12-02 07:14:31,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:31,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052221676] [2024-12-02 07:14:31,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:31,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:31,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:31,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052221676] [2024-12-02 07:14:31,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052221676] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:31,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:31,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:14:31,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354634498] [2024-12-02 07:14:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:31,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:31,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:31,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:31,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:31,539 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 07:14:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:31,724 INFO L93 Difference]: Finished difference Result 279 states and 353 transitions. [2024-12-02 07:14:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:31,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) Word has length 47 [2024-12-02 07:14:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:31,726 INFO L225 Difference]: With dead ends: 279 [2024-12-02 07:14:31,726 INFO L226 Difference]: Without dead ends: 177 [2024-12-02 07:14:31,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:14:31,728 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 602 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:31,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 139 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:31,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-12-02 07:14:31,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-12-02 07:14:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 176 states have internal predecessors, (219), 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 07:14:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2024-12-02 07:14:31,739 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 47 [2024-12-02 07:14:31,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:31,739 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2024-12-02 07:14:31,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 07:14:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2024-12-02 07:14:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 07:14:31,741 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:31,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:31,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:14:31,741 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:31,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:31,742 INFO L85 PathProgramCache]: Analyzing trace with hash 458596476, now seen corresponding path program 1 times [2024-12-02 07:14:31,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:31,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155666055] [2024-12-02 07:14:31,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:31,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:31,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155666055] [2024-12-02 07:14:31,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155666055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:31,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:31,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:14:31,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658551032] [2024-12-02 07:14:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:31,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:31,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:31,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:31,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:31,892 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 07:14:32,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:32,091 INFO L93 Difference]: Finished difference Result 339 states and 435 transitions. [2024-12-02 07:14:32,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:32,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) Word has length 47 [2024-12-02 07:14:32,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:32,093 INFO L225 Difference]: With dead ends: 339 [2024-12-02 07:14:32,093 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 07:14:32,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:14:32,094 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 768 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:32,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 190 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:32,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 07:14:32,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 215. [2024-12-02 07:14:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3509615384615385) internal successors, (281), 214 states have internal predecessors, (281), 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 07:14:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 281 transitions. [2024-12-02 07:14:32,108 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 281 transitions. Word has length 47 [2024-12-02 07:14:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:32,108 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 281 transitions. [2024-12-02 07:14:32,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 07:14:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 281 transitions. [2024-12-02 07:14:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 07:14:32,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:32,110 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:32,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:14:32,110 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:32,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:32,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1498085814, now seen corresponding path program 1 times [2024-12-02 07:14:32,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:32,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808067366] [2024-12-02 07:14:32,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:32,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:32,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808067366] [2024-12-02 07:14:32,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808067366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:32,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:32,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:14:32,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779557648] [2024-12-02 07:14:32,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:32,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:14:32,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:32,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:14:32,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:32,533 INFO L87 Difference]: Start difference. First operand 215 states and 281 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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 07:14:32,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:32,965 INFO L93 Difference]: Finished difference Result 358 states and 474 transitions. [2024-12-02 07:14:32,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:14:32,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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) Word has length 48 [2024-12-02 07:14:32,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:32,968 INFO L225 Difference]: With dead ends: 358 [2024-12-02 07:14:32,968 INFO L226 Difference]: Without dead ends: 353 [2024-12-02 07:14:32,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:14:32,969 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1095 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:32,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 480 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:32,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-12-02 07:14:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 215. [2024-12-02 07:14:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3461538461538463) internal successors, (280), 214 states have internal predecessors, (280), 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 07:14:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 280 transitions. [2024-12-02 07:14:32,983 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 280 transitions. Word has length 48 [2024-12-02 07:14:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:32,983 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 280 transitions. [2024-12-02 07:14:32,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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 07:14:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 280 transitions. [2024-12-02 07:14:32,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 07:14:32,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:32,985 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:32,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:14:32,985 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:32,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:32,986 INFO L85 PathProgramCache]: Analyzing trace with hash 267052195, now seen corresponding path program 1 times [2024-12-02 07:14:32,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:32,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673733209] [2024-12-02 07:14:32,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:32,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:33,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:33,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673733209] [2024-12-02 07:14:33,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673733209] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:33,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:33,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:14:33,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150695620] [2024-12-02 07:14:33,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:33,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:14:33,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:33,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:14:33,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:33,263 INFO L87 Difference]: Start difference. First operand 215 states and 280 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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 07:14:33,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:33,611 INFO L93 Difference]: Finished difference Result 403 states and 541 transitions. [2024-12-02 07:14:33,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:14:33,612 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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) Word has length 48 [2024-12-02 07:14:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:33,614 INFO L225 Difference]: With dead ends: 403 [2024-12-02 07:14:33,614 INFO L226 Difference]: Without dead ends: 302 [2024-12-02 07:14:33,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:14:33,615 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 802 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:33,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 484 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:33,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-12-02 07:14:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 215. [2024-12-02 07:14:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3413461538461537) internal successors, (279), 214 states have internal predecessors, (279), 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 07:14:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 279 transitions. [2024-12-02 07:14:33,624 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 279 transitions. Word has length 48 [2024-12-02 07:14:33,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:33,624 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 279 transitions. [2024-12-02 07:14:33,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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 07:14:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 279 transitions. [2024-12-02 07:14:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 07:14:33,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:33,625 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:33,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:14:33,625 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:33,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:33,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1788008380, now seen corresponding path program 1 times [2024-12-02 07:14:33,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:33,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277066651] [2024-12-02 07:14:33,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:33,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:33,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277066651] [2024-12-02 07:14:33,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277066651] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:33,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:33,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:14:33,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559515935] [2024-12-02 07:14:33,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:33,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:14:33,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:33,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:14:33,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:14:33,845 INFO L87 Difference]: Start difference. First operand 215 states and 279 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 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 07:14:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:34,134 INFO L93 Difference]: Finished difference Result 459 states and 614 transitions. [2024-12-02 07:14:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:14:34,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 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) Word has length 48 [2024-12-02 07:14:34,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:34,136 INFO L225 Difference]: With dead ends: 459 [2024-12-02 07:14:34,136 INFO L226 Difference]: Without dead ends: 335 [2024-12-02 07:14:34,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:14:34,138 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 971 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:34,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 391 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-12-02 07:14:34,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 215. [2024-12-02 07:14:34,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 208 states have (on average 1.3365384615384615) internal successors, (278), 214 states have internal predecessors, (278), 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 07:14:34,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 278 transitions. [2024-12-02 07:14:34,145 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 278 transitions. Word has length 48 [2024-12-02 07:14:34,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:34,145 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 278 transitions. [2024-12-02 07:14:34,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 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 07:14:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 278 transitions. [2024-12-02 07:14:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:14:34,146 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:34,146 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:34,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:14:34,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:34,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1932349207, now seen corresponding path program 1 times [2024-12-02 07:14:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:34,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406553471] [2024-12-02 07:14:34,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:34,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:34,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406553471] [2024-12-02 07:14:34,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406553471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:34,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:34,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 07:14:34,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159000813] [2024-12-02 07:14:34,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:34,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:14:34,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:34,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:14:34,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:14:34,695 INFO L87 Difference]: Start difference. First operand 215 states and 278 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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 07:14:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:35,342 INFO L93 Difference]: Finished difference Result 349 states and 463 transitions. [2024-12-02 07:14:35,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:14:35,343 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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) Word has length 50 [2024-12-02 07:14:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:35,344 INFO L225 Difference]: With dead ends: 349 [2024-12-02 07:14:35,344 INFO L226 Difference]: Without dead ends: 345 [2024-12-02 07:14:35,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 07:14:35,345 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 931 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:35,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 953 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:14:35,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-12-02 07:14:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 211. [2024-12-02 07:14:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 205 states have (on average 1.3365853658536586) internal successors, (274), 210 states have internal predecessors, (274), 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 07:14:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 274 transitions. [2024-12-02 07:14:35,353 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 274 transitions. Word has length 50 [2024-12-02 07:14:35,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:35,353 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 274 transitions. [2024-12-02 07:14:35,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 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 07:14:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 274 transitions. [2024-12-02 07:14:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:14:35,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:35,354 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:35,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:14:35,355 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:35,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1779763646, now seen corresponding path program 1 times [2024-12-02 07:14:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733470354] [2024-12-02 07:14:35,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:35,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:35,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733470354] [2024-12-02 07:14:35,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733470354] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:35,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:35,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:14:35,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710584443] [2024-12-02 07:14:35,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:35,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:14:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:35,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:14:35,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:14:35,825 INFO L87 Difference]: Start difference. First operand 211 states and 274 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 07:14:36,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:36,280 INFO L93 Difference]: Finished difference Result 401 states and 551 transitions. [2024-12-02 07:14:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 07:14:36,281 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) Word has length 50 [2024-12-02 07:14:36,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:36,283 INFO L225 Difference]: With dead ends: 401 [2024-12-02 07:14:36,283 INFO L226 Difference]: Without dead ends: 284 [2024-12-02 07:14:36,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-12-02 07:14:36,284 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 591 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:36,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 575 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:36,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-12-02 07:14:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 178. [2024-12-02 07:14:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 177 states have internal predecessors, (235), 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 07:14:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2024-12-02 07:14:36,290 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 50 [2024-12-02 07:14:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:36,290 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2024-12-02 07:14:36,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 07:14:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-12-02 07:14:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 07:14:36,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:36,291 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:36,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:14:36,291 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:36,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash -767196360, now seen corresponding path program 1 times [2024-12-02 07:14:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:36,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705402297] [2024-12-02 07:14:36,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:36,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:36,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:36,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705402297] [2024-12-02 07:14:36,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705402297] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:36,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:36,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:14:36,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617466340] [2024-12-02 07:14:36,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:36,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:14:36,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:36,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:14:36,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:36,510 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 07:14:36,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:36,842 INFO L93 Difference]: Finished difference Result 305 states and 410 transitions. [2024-12-02 07:14:36,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:14:36,843 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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) Word has length 51 [2024-12-02 07:14:36,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:36,845 INFO L225 Difference]: With dead ends: 305 [2024-12-02 07:14:36,845 INFO L226 Difference]: Without dead ends: 298 [2024-12-02 07:14:36,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:14:36,846 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 842 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:36,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 364 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-12-02 07:14:36,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 178. [2024-12-02 07:14:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3371428571428572) internal successors, (234), 177 states have internal predecessors, (234), 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 07:14:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 234 transitions. [2024-12-02 07:14:36,854 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 234 transitions. Word has length 51 [2024-12-02 07:14:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:36,854 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 234 transitions. [2024-12-02 07:14:36,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 07:14:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 234 transitions. [2024-12-02 07:14:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 07:14:36,855 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:36,855 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:36,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:14:36,855 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:36,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:36,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1195663953, now seen corresponding path program 1 times [2024-12-02 07:14:36,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:36,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368923884] [2024-12-02 07:14:36,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:37,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:37,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368923884] [2024-12-02 07:14:37,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368923884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:37,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:37,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:14:37,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981447617] [2024-12-02 07:14:37,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:37,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:14:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:37,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:14:37,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:14:37,094 INFO L87 Difference]: Start difference. First operand 178 states and 234 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 07:14:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:37,404 INFO L93 Difference]: Finished difference Result 295 states and 400 transitions. [2024-12-02 07:14:37,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:14:37,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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) Word has length 51 [2024-12-02 07:14:37,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:37,406 INFO L225 Difference]: With dead ends: 295 [2024-12-02 07:14:37,406 INFO L226 Difference]: Without dead ends: 181 [2024-12-02 07:14:37,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:14:37,407 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 337 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:37,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 366 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:37,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-12-02 07:14:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2024-12-02 07:14:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 177 states have internal predecessors, (232), 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 07:14:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 232 transitions. [2024-12-02 07:14:37,410 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 232 transitions. Word has length 51 [2024-12-02 07:14:37,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:37,410 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 232 transitions. [2024-12-02 07:14:37,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 07:14:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 232 transitions. [2024-12-02 07:14:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 07:14:37,411 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:37,411 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:37,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:14:37,411 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:37,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:37,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1837589620, now seen corresponding path program 1 times [2024-12-02 07:14:37,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:37,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169359401] [2024-12-02 07:14:37,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:37,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:38,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:38,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169359401] [2024-12-02 07:14:38,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169359401] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:38,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:38,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 07:14:38,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922876218] [2024-12-02 07:14:38,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:38,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 07:14:38,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:38,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 07:14:38,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:14:38,158 INFO L87 Difference]: Start difference. First operand 178 states and 232 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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 07:14:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:39,090 INFO L93 Difference]: Finished difference Result 191 states and 247 transitions. [2024-12-02 07:14:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 07:14:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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) Word has length 53 [2024-12-02 07:14:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:39,091 INFO L225 Difference]: With dead ends: 191 [2024-12-02 07:14:39,091 INFO L226 Difference]: Without dead ends: 185 [2024-12-02 07:14:39,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-12-02 07:14:39,092 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 228 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:39,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1013 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:14:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-12-02 07:14:39,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 184. [2024-12-02 07:14:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 183 states have internal predecessors, (240), 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 07:14:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 240 transitions. [2024-12-02 07:14:39,096 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 240 transitions. Word has length 53 [2024-12-02 07:14:39,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:39,096 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 240 transitions. [2024-12-02 07:14:39,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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 07:14:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 240 transitions. [2024-12-02 07:14:39,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 07:14:39,097 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:39,097 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:39,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:14:39,097 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:39,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash 916052531, now seen corresponding path program 1 times [2024-12-02 07:14:39,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:39,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493602773] [2024-12-02 07:14:39,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:39,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:39,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493602773] [2024-12-02 07:14:39,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493602773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:39,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:39,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 07:14:39,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246762704] [2024-12-02 07:14:39,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:39,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 07:14:39,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:39,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 07:14:39,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:14:39,725 INFO L87 Difference]: Start difference. First operand 184 states and 240 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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 07:14:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:40,537 INFO L93 Difference]: Finished difference Result 196 states and 252 transitions. [2024-12-02 07:14:40,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 07:14:40,537 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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) Word has length 53 [2024-12-02 07:14:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:40,538 INFO L225 Difference]: With dead ends: 196 [2024-12-02 07:14:40,538 INFO L226 Difference]: Without dead ends: 188 [2024-12-02 07:14:40,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 07:14:40,539 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 399 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:40,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 976 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:14:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-12-02 07:14:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 187. [2024-12-02 07:14:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.3206521739130435) internal successors, (243), 186 states have internal predecessors, (243), 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 07:14:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 243 transitions. [2024-12-02 07:14:40,544 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 243 transitions. Word has length 53 [2024-12-02 07:14:40,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:40,544 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 243 transitions. [2024-12-02 07:14:40,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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 07:14:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2024-12-02 07:14:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 07:14:40,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:40,545 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:40,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:14:40,545 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:40,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash 576756188, now seen corresponding path program 1 times [2024-12-02 07:14:40,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:40,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049707812] [2024-12-02 07:14:40,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:40,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:40,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049707812] [2024-12-02 07:14:40,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049707812] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:40,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:40,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 07:14:40,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261416363] [2024-12-02 07:14:40,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:40,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:14:40,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:40,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:14:40,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:14:40,904 INFO L87 Difference]: Start difference. First operand 187 states and 243 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 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 07:14:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:41,370 INFO L93 Difference]: Finished difference Result 291 states and 394 transitions. [2024-12-02 07:14:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 07:14:41,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 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) Word has length 54 [2024-12-02 07:14:41,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:41,372 INFO L225 Difference]: With dead ends: 291 [2024-12-02 07:14:41,372 INFO L226 Difference]: Without dead ends: 285 [2024-12-02 07:14:41,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-12-02 07:14:41,373 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 619 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:41,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 921 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:14:41,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-12-02 07:14:41,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 175. [2024-12-02 07:14:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 173 states have (on average 1.3179190751445087) internal successors, (228), 174 states have internal predecessors, (228), 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 07:14:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 228 transitions. [2024-12-02 07:14:41,379 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 228 transitions. Word has length 54 [2024-12-02 07:14:41,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:41,379 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 228 transitions. [2024-12-02 07:14:41,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 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 07:14:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 228 transitions. [2024-12-02 07:14:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 07:14:41,380 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:41,380 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:41,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:14:41,380 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:41,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:41,381 INFO L85 PathProgramCache]: Analyzing trace with hash -787967428, now seen corresponding path program 1 times [2024-12-02 07:14:41,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:41,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472691936] [2024-12-02 07:14:41,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:41,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:41,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:41,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472691936] [2024-12-02 07:14:41,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472691936] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:41,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:41,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 07:14:41,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247324438] [2024-12-02 07:14:41,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:41,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:14:41,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:41,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:14:41,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:14:41,725 INFO L87 Difference]: Start difference. First operand 175 states and 228 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 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 07:14:42,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,066 INFO L93 Difference]: Finished difference Result 175 states and 228 transitions. [2024-12-02 07:14:42,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:14:42,066 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 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) Word has length 54 [2024-12-02 07:14:42,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,067 INFO L225 Difference]: With dead ends: 175 [2024-12-02 07:14:42,067 INFO L226 Difference]: Without dead ends: 160 [2024-12-02 07:14:42,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-12-02 07:14:42,067 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 172 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 778 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:14:42,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-12-02 07:14:42,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-12-02 07:14:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.3270440251572326) internal successors, (211), 159 states have internal predecessors, (211), 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 07:14:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 211 transitions. [2024-12-02 07:14:42,070 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 211 transitions. Word has length 54 [2024-12-02 07:14:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,070 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 211 transitions. [2024-12-02 07:14:42,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 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 07:14:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 211 transitions. [2024-12-02 07:14:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 07:14:42,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,071 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:14:42,071 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash 415256315, now seen corresponding path program 1 times [2024-12-02 07:14:42,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786580310] [2024-12-02 07:14:42,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786580310] [2024-12-02 07:14:42,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786580310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:42,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538495853] [2024-12-02 07:14:42,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:42,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:42,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:42,153 INFO L87 Difference]: Start difference. First operand 160 states and 211 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 07:14:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,222 INFO L93 Difference]: Finished difference Result 664 states and 979 transitions. [2024-12-02 07:14:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:14:42,222 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), 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) Word has length 71 [2024-12-02 07:14:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,224 INFO L225 Difference]: With dead ends: 664 [2024-12-02 07:14:42,224 INFO L226 Difference]: Without dead ends: 580 [2024-12-02 07:14:42,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:14:42,225 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 492 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 506 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-12-02 07:14:42,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 242. [2024-12-02 07:14:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.3858921161825726) internal successors, (334), 241 states have internal predecessors, (334), 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 07:14:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 334 transitions. [2024-12-02 07:14:42,232 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 334 transitions. Word has length 71 [2024-12-02 07:14:42,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,232 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 334 transitions. [2024-12-02 07:14:42,232 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), 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 07:14:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 334 transitions. [2024-12-02 07:14:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 07:14:42,233 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,233 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:14:42,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,234 INFO L85 PathProgramCache]: Analyzing trace with hash -237734748, now seen corresponding path program 1 times [2024-12-02 07:14:42,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957768747] [2024-12-02 07:14:42,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957768747] [2024-12-02 07:14:42,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957768747] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:42,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025725196] [2024-12-02 07:14:42,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:42,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:42,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:42,296 INFO L87 Difference]: Start difference. First operand 242 states and 334 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 07:14:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,356 INFO L93 Difference]: Finished difference Result 824 states and 1211 transitions. [2024-12-02 07:14:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:42,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) Word has length 73 [2024-12-02 07:14:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,359 INFO L225 Difference]: With dead ends: 824 [2024-12-02 07:14:42,359 INFO L226 Difference]: Without dead ends: 658 [2024-12-02 07:14:42,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:14:42,360 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 291 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 438 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-12-02 07:14:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 406. [2024-12-02 07:14:42,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.4370370370370371) internal successors, (582), 405 states have internal predecessors, (582), 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 07:14:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 582 transitions. [2024-12-02 07:14:42,367 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 582 transitions. Word has length 73 [2024-12-02 07:14:42,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,368 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 582 transitions. [2024-12-02 07:14:42,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 07:14:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 582 transitions. [2024-12-02 07:14:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 07:14:42,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,368 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 07:14:42,369 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,369 INFO L85 PathProgramCache]: Analyzing trace with hash -871401261, now seen corresponding path program 1 times [2024-12-02 07:14:42,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688510071] [2024-12-02 07:14:42,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688510071] [2024-12-02 07:14:42,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688510071] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:42,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381868316] [2024-12-02 07:14:42,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:42,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:42,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:42,405 INFO L87 Difference]: Start difference. First operand 406 states and 582 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 07:14:42,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,429 INFO L93 Difference]: Finished difference Result 738 states and 1082 transitions. [2024-12-02 07:14:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:42,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) Word has length 73 [2024-12-02 07:14:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,431 INFO L225 Difference]: With dead ends: 738 [2024-12-02 07:14:42,431 INFO L226 Difference]: Without dead ends: 408 [2024-12-02 07:14:42,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:42,432 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 52 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 201 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-12-02 07:14:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2024-12-02 07:14:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.4271604938271605) internal successors, (578), 405 states have internal predecessors, (578), 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 07:14:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 578 transitions. [2024-12-02 07:14:42,439 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 578 transitions. Word has length 73 [2024-12-02 07:14:42,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,439 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 578 transitions. [2024-12-02 07:14:42,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 07:14:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 578 transitions. [2024-12-02 07:14:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 07:14:42,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,441 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 07:14:42,441 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,441 INFO L85 PathProgramCache]: Analyzing trace with hash -937894773, now seen corresponding path program 1 times [2024-12-02 07:14:42,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739602333] [2024-12-02 07:14:42,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739602333] [2024-12-02 07:14:42,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739602333] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:42,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466776450] [2024-12-02 07:14:42,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:42,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:42,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:42,477 INFO L87 Difference]: Start difference. First operand 406 states and 578 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 07:14:42,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,502 INFO L93 Difference]: Finished difference Result 1014 states and 1480 transitions. [2024-12-02 07:14:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:42,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) Word has length 73 [2024-12-02 07:14:42,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,504 INFO L225 Difference]: With dead ends: 1014 [2024-12-02 07:14:42,504 INFO L226 Difference]: Without dead ends: 684 [2024-12-02 07:14:42,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:42,505 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 67 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 197 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:42,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-12-02 07:14:42,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 674. [2024-12-02 07:14:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 673 states have (on average 1.4205052005943537) internal successors, (956), 673 states have internal predecessors, (956), 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 07:14:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 956 transitions. [2024-12-02 07:14:42,514 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 956 transitions. Word has length 73 [2024-12-02 07:14:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,514 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 956 transitions. [2024-12-02 07:14:42,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 07:14:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 956 transitions. [2024-12-02 07:14:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 07:14:42,515 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,515 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 07:14:42,515 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,515 INFO L85 PathProgramCache]: Analyzing trace with hash -852412764, now seen corresponding path program 1 times [2024-12-02 07:14:42,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404412450] [2024-12-02 07:14:42,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404412450] [2024-12-02 07:14:42,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404412450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:42,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603535821] [2024-12-02 07:14:42,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:42,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:42,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:42,580 INFO L87 Difference]: Start difference. First operand 674 states and 956 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 07:14:42,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,636 INFO L93 Difference]: Finished difference Result 1726 states and 2490 transitions. [2024-12-02 07:14:42,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:42,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) Word has length 73 [2024-12-02 07:14:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,639 INFO L225 Difference]: With dead ends: 1726 [2024-12-02 07:14:42,639 INFO L226 Difference]: Without dead ends: 1426 [2024-12-02 07:14:42,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:14:42,640 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 294 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 438 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:42,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-12-02 07:14:42,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1122. [2024-12-02 07:14:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1121 states have (on average 1.4326494201605708) internal successors, (1606), 1121 states have internal predecessors, (1606), 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 07:14:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1606 transitions. [2024-12-02 07:14:42,657 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1606 transitions. Word has length 73 [2024-12-02 07:14:42,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,657 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1606 transitions. [2024-12-02 07:14:42,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 07:14:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1606 transitions. [2024-12-02 07:14:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 07:14:42,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 07:14:42,658 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1459706699, now seen corresponding path program 1 times [2024-12-02 07:14:42,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141063569] [2024-12-02 07:14:42,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141063569] [2024-12-02 07:14:42,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141063569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:42,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346774900] [2024-12-02 07:14:42,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:42,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:42,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:42,723 INFO L87 Difference]: Start difference. First operand 1122 states and 1606 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 07:14:42,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:42,759 INFO L93 Difference]: Finished difference Result 2526 states and 3651 transitions. [2024-12-02 07:14:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:42,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) Word has length 74 [2024-12-02 07:14:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:42,764 INFO L225 Difference]: With dead ends: 2526 [2024-12-02 07:14:42,764 INFO L226 Difference]: Without dead ends: 1480 [2024-12-02 07:14:42,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:42,766 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:42,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 281 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:42,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2024-12-02 07:14:42,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1462. [2024-12-02 07:14:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1461 states have (on average 1.4243668720054756) internal successors, (2081), 1461 states have internal predecessors, (2081), 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 07:14:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2081 transitions. [2024-12-02 07:14:42,809 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2081 transitions. Word has length 74 [2024-12-02 07:14:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:42,809 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 2081 transitions. [2024-12-02 07:14:42,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 07:14:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2081 transitions. [2024-12-02 07:14:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 07:14:42,810 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:42,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:42,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 07:14:42,811 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:42,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:42,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1468955342, now seen corresponding path program 1 times [2024-12-02 07:14:42,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:42,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680172546] [2024-12-02 07:14:42,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:42,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:42,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:42,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680172546] [2024-12-02 07:14:42,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680172546] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:42,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:42,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:14:42,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578878419] [2024-12-02 07:14:42,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:42,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:14:42,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:42,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:14:42,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:14:42,930 INFO L87 Difference]: Start difference. First operand 1462 states and 2081 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 07:14:43,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:43,009 INFO L93 Difference]: Finished difference Result 2676 states and 3839 transitions. [2024-12-02 07:14:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:14:43,010 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), 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) Word has length 74 [2024-12-02 07:14:43,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:43,018 INFO L225 Difference]: With dead ends: 2676 [2024-12-02 07:14:43,018 INFO L226 Difference]: Without dead ends: 2266 [2024-12-02 07:14:43,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:14:43,020 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 289 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:43,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 465 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:43,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2024-12-02 07:14:43,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1852. [2024-12-02 07:14:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1852 states, 1851 states have (on average 1.4278768233387358) internal successors, (2643), 1851 states have internal predecessors, (2643), 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 07:14:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2643 transitions. [2024-12-02 07:14:43,072 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2643 transitions. Word has length 74 [2024-12-02 07:14:43,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:43,073 INFO L471 AbstractCegarLoop]: Abstraction has 1852 states and 2643 transitions. [2024-12-02 07:14:43,073 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), 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 07:14:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2643 transitions. [2024-12-02 07:14:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 07:14:43,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:43,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:43,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 07:14:43,074 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:43,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1631844587, now seen corresponding path program 1 times [2024-12-02 07:14:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:43,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991243688] [2024-12-02 07:14:43,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:43,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:43,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:43,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991243688] [2024-12-02 07:14:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991243688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:43,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:43,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:43,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146131230] [2024-12-02 07:14:43,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:43,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:43,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:43,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:43,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:43,173 INFO L87 Difference]: Start difference. First operand 1852 states and 2643 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 07:14:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:43,214 INFO L93 Difference]: Finished difference Result 5188 states and 7385 transitions. [2024-12-02 07:14:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:43,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) Word has length 74 [2024-12-02 07:14:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:43,227 INFO L225 Difference]: With dead ends: 5188 [2024-12-02 07:14:43,227 INFO L226 Difference]: Without dead ends: 3412 [2024-12-02 07:14:43,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:43,231 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 55 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:43,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 258 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2024-12-02 07:14:43,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 3194. [2024-12-02 07:14:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3193 states have (on average 1.4093329157532102) internal successors, (4500), 3193 states have internal predecessors, (4500), 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 07:14:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4500 transitions. [2024-12-02 07:14:43,308 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4500 transitions. Word has length 74 [2024-12-02 07:14:43,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:43,308 INFO L471 AbstractCegarLoop]: Abstraction has 3194 states and 4500 transitions. [2024-12-02 07:14:43,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 07:14:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4500 transitions. [2024-12-02 07:14:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 07:14:43,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:43,310 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:43,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 07:14:43,310 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:43,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash -536068422, now seen corresponding path program 1 times [2024-12-02 07:14:43,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:43,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013191025] [2024-12-02 07:14:43,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:43,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:43,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013191025] [2024-12-02 07:14:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013191025] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:43,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:43,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186235086] [2024-12-02 07:14:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:43,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:43,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:43,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:43,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:43,400 INFO L87 Difference]: Start difference. First operand 3194 states and 4500 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 07:14:43,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:43,456 INFO L93 Difference]: Finished difference Result 8998 states and 12578 transitions. [2024-12-02 07:14:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:43,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) Word has length 75 [2024-12-02 07:14:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:43,478 INFO L225 Difference]: With dead ends: 8998 [2024-12-02 07:14:43,478 INFO L226 Difference]: Without dead ends: 5880 [2024-12-02 07:14:43,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:43,497 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 45 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:43,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 257 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5880 states. [2024-12-02 07:14:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5880 to 5446. [2024-12-02 07:14:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5446 states, 5445 states have (on average 1.3796143250688706) internal successors, (7512), 5445 states have internal predecessors, (7512), 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 07:14:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7512 transitions. [2024-12-02 07:14:43,619 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7512 transitions. Word has length 75 [2024-12-02 07:14:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:43,620 INFO L471 AbstractCegarLoop]: Abstraction has 5446 states and 7512 transitions. [2024-12-02 07:14:43,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 07:14:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7512 transitions. [2024-12-02 07:14:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-02 07:14:43,620 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:43,621 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:43,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 07:14:43,621 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:43,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:43,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1852091383, now seen corresponding path program 1 times [2024-12-02 07:14:43,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:43,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54286917] [2024-12-02 07:14:43,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:43,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:43,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:43,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54286917] [2024-12-02 07:14:43,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54286917] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:43,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:43,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:14:43,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5179534] [2024-12-02 07:14:43,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:43,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:14:43,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:43,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:14:43,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:14:43,830 INFO L87 Difference]: Start difference. First operand 5446 states and 7512 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 07:14:43,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:43,871 INFO L93 Difference]: Finished difference Result 5544 states and 7641 transitions. [2024-12-02 07:14:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:14:43,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) Word has length 76 [2024-12-02 07:14:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:43,889 INFO L225 Difference]: With dead ends: 5544 [2024-12-02 07:14:43,889 INFO L226 Difference]: Without dead ends: 5542 [2024-12-02 07:14:43,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:14:43,892 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:43,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 599 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5542 states. [2024-12-02 07:14:43,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5542 to 5542. [2024-12-02 07:14:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 5541 states have (on average 1.3658184443241292) internal successors, (7568), 5541 states have internal predecessors, (7568), 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 07:14:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 7568 transitions. [2024-12-02 07:14:44,013 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 7568 transitions. Word has length 76 [2024-12-02 07:14:44,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:44,013 INFO L471 AbstractCegarLoop]: Abstraction has 5542 states and 7568 transitions. [2024-12-02 07:14:44,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 07:14:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 7568 transitions. [2024-12-02 07:14:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 07:14:44,014 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:44,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:44,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 07:14:44,014 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:44,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:44,015 INFO L85 PathProgramCache]: Analyzing trace with hash -966335138, now seen corresponding path program 1 times [2024-12-02 07:14:44,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:44,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599976738] [2024-12-02 07:14:44,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:44,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:44,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:44,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599976738] [2024-12-02 07:14:44,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599976738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:44,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:44,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770024698] [2024-12-02 07:14:44,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:44,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:44,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:44,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:44,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:44,153 INFO L87 Difference]: Start difference. First operand 5542 states and 7568 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 07:14:44,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:44,213 INFO L93 Difference]: Finished difference Result 12850 states and 17506 transitions. [2024-12-02 07:14:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:44,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) Word has length 77 [2024-12-02 07:14:44,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:44,231 INFO L225 Difference]: With dead ends: 12850 [2024-12-02 07:14:44,231 INFO L226 Difference]: Without dead ends: 7384 [2024-12-02 07:14:44,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:44,238 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 59 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:44,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 259 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7384 states. [2024-12-02 07:14:44,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7384 to 6774. [2024-12-02 07:14:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6774 states, 6773 states have (on average 1.3335301934150303) internal successors, (9032), 6773 states have internal predecessors, (9032), 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 07:14:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6774 states to 6774 states and 9032 transitions. [2024-12-02 07:14:44,395 INFO L78 Accepts]: Start accepts. Automaton has 6774 states and 9032 transitions. Word has length 77 [2024-12-02 07:14:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:44,395 INFO L471 AbstractCegarLoop]: Abstraction has 6774 states and 9032 transitions. [2024-12-02 07:14:44,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 07:14:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 6774 states and 9032 transitions. [2024-12-02 07:14:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 07:14:44,399 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:44,399 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:44,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 07:14:44,399 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:44,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash 914913403, now seen corresponding path program 1 times [2024-12-02 07:14:44,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:44,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394948095] [2024-12-02 07:14:44,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:44,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:44,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:44,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394948095] [2024-12-02 07:14:44,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394948095] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:14:44,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259204808] [2024-12-02 07:14:44,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:44,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:44,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:14:44,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:14:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:45,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 07:14:45,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:45,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:14:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:47,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259204808] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:14:47,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:14:47,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-12-02 07:14:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113430358] [2024-12-02 07:14:47,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:14:47,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 07:14:47,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:47,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 07:14:47,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2024-12-02 07:14:47,364 INFO L87 Difference]: Start difference. First operand 6774 states and 9032 transitions. Second operand has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 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 07:14:51,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:51,654 INFO L93 Difference]: Finished difference Result 64543 states and 85424 transitions. [2024-12-02 07:14:51,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-12-02 07:14:51,654 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 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) Word has length 98 [2024-12-02 07:14:51,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:51,750 INFO L225 Difference]: With dead ends: 64543 [2024-12-02 07:14:51,750 INFO L226 Difference]: Without dead ends: 57845 [2024-12-02 07:14:51,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7068 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=3017, Invalid=18153, Unknown=0, NotChecked=0, Total=21170 [2024-12-02 07:14:51,770 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 2579 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:51,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 1847 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 07:14:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57845 states. [2024-12-02 07:14:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57845 to 25464. [2024-12-02 07:14:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25464 states, 25463 states have (on average 1.3217609865294742) internal successors, (33656), 25463 states have internal predecessors, (33656), 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 07:14:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25464 states to 25464 states and 33656 transitions. [2024-12-02 07:14:52,400 INFO L78 Accepts]: Start accepts. Automaton has 25464 states and 33656 transitions. Word has length 98 [2024-12-02 07:14:52,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:52,400 INFO L471 AbstractCegarLoop]: Abstraction has 25464 states and 33656 transitions. [2024-12-02 07:14:52,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 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 07:14:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 25464 states and 33656 transitions. [2024-12-02 07:14:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 07:14:52,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:52,405 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:52,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:14:52,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:52,605 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:52,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:52,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1809238733, now seen corresponding path program 1 times [2024-12-02 07:14:52,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:52,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4138820] [2024-12-02 07:14:52,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:52,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:52,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:52,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4138820] [2024-12-02 07:14:52,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4138820] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:52,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:52,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:52,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474287926] [2024-12-02 07:14:52,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:52,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:52,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:52,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:52,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:52,702 INFO L87 Difference]: Start difference. First operand 25464 states and 33656 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 07:14:52,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:52,889 INFO L93 Difference]: Finished difference Result 50087 states and 66235 transitions. [2024-12-02 07:14:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:52,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) Word has length 98 [2024-12-02 07:14:52,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:52,929 INFO L225 Difference]: With dead ends: 50087 [2024-12-02 07:14:52,929 INFO L226 Difference]: Without dead ends: 24706 [2024-12-02 07:14:52,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:52,954 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 55 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:52,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 239 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:14:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24706 states. [2024-12-02 07:14:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24706 to 24529. [2024-12-02 07:14:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24529 states, 24528 states have (on average 1.2961921069797782) internal successors, (31793), 24528 states have internal predecessors, (31793), 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 07:14:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24529 states to 24529 states and 31793 transitions. [2024-12-02 07:14:53,238 INFO L78 Accepts]: Start accepts. Automaton has 24529 states and 31793 transitions. Word has length 98 [2024-12-02 07:14:53,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:53,238 INFO L471 AbstractCegarLoop]: Abstraction has 24529 states and 31793 transitions. [2024-12-02 07:14:53,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 07:14:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 24529 states and 31793 transitions. [2024-12-02 07:14:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 07:14:53,241 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:53,241 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:53,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 07:14:53,242 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:14:53,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:53,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1600083782, now seen corresponding path program 1 times [2024-12-02 07:14:53,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:53,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635439558] [2024-12-02 07:14:53,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:53,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:53,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:53,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635439558] [2024-12-02 07:14:53,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635439558] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:14:53,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898622694] [2024-12-02 07:14:53,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:53,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:14:53,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:14:53,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:14:53,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:14:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:53,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 07:14:53,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:14:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:54,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:14:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:14:55,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898622694] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:14:55,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:14:55,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2024-12-02 07:14:55,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545713481] [2024-12-02 07:14:55,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:14:55,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 07:14:55,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:55,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 07:14:55,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2024-12-02 07:14:55,130 INFO L87 Difference]: Start difference. First operand 24529 states and 31793 transitions. Second operand has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 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 07:15:05,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:05,727 INFO L93 Difference]: Finished difference Result 120105 states and 154351 transitions. [2024-12-02 07:15:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-12-02 07:15:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 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) Word has length 99 [2024-12-02 07:15:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:05,807 INFO L225 Difference]: With dead ends: 120105 [2024-12-02 07:15:05,807 INFO L226 Difference]: Without dead ends: 95659 [2024-12-02 07:15:05,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19498 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=7084, Invalid=41978, Unknown=0, NotChecked=0, Total=49062 [2024-12-02 07:15:05,838 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 5412 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 2891 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 2891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:05,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 1708 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 2891 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 07:15:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95659 states. [2024-12-02 07:15:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95659 to 57162. [2024-12-02 07:15:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57162 states, 57161 states have (on average 1.2910550900089222) internal successors, (73798), 57161 states have internal predecessors, (73798), 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 07:15:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57162 states to 57162 states and 73798 transitions. [2024-12-02 07:15:06,650 INFO L78 Accepts]: Start accepts. Automaton has 57162 states and 73798 transitions. Word has length 99 [2024-12-02 07:15:06,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:06,650 INFO L471 AbstractCegarLoop]: Abstraction has 57162 states and 73798 transitions. [2024-12-02 07:15:06,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 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 07:15:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 57162 states and 73798 transitions. [2024-12-02 07:15:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 07:15:06,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:06,655 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:06,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:15:06,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-12-02 07:15:06,856 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:06,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:06,856 INFO L85 PathProgramCache]: Analyzing trace with hash 44373165, now seen corresponding path program 1 times [2024-12-02 07:15:06,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:06,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549999747] [2024-12-02 07:15:06,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:06,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 07:15:07,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549999747] [2024-12-02 07:15:07,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549999747] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:07,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:15:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076415485] [2024-12-02 07:15:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:07,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:15:07,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:07,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:15:07,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:15:07,004 INFO L87 Difference]: Start difference. First operand 57162 states and 73798 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 07:15:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:07,225 INFO L93 Difference]: Finished difference Result 99412 states and 128778 transitions. [2024-12-02 07:15:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:15:07,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) Word has length 100 [2024-12-02 07:15:07,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:07,274 INFO L225 Difference]: With dead ends: 99412 [2024-12-02 07:15:07,274 INFO L226 Difference]: Without dead ends: 42366 [2024-12-02 07:15:07,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:15:07,302 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 83 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:07,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 103 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:15:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42366 states. [2024-12-02 07:15:07,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42366 to 42066. [2024-12-02 07:15:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42066 states, 42065 states have (on average 1.2826577915131345) internal successors, (53955), 42065 states have internal predecessors, (53955), 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 07:15:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42066 states to 42066 states and 53955 transitions. [2024-12-02 07:15:07,863 INFO L78 Accepts]: Start accepts. Automaton has 42066 states and 53955 transitions. Word has length 100 [2024-12-02 07:15:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:07,863 INFO L471 AbstractCegarLoop]: Abstraction has 42066 states and 53955 transitions. [2024-12-02 07:15:07,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 07:15:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42066 states and 53955 transitions. [2024-12-02 07:15:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 07:15:07,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:07,867 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:07,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 07:15:07,867 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:07,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:07,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1119659590, now seen corresponding path program 1 times [2024-12-02 07:15:07,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:07,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399130736] [2024-12-02 07:15:07,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:07,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 07:15:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399130736] [2024-12-02 07:15:08,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399130736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:08,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:08,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:15:08,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717092740] [2024-12-02 07:15:08,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:08,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:15:08,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:08,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:15:08,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:15:08,286 INFO L87 Difference]: Start difference. First operand 42066 states and 53955 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 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 07:15:09,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:09,048 INFO L93 Difference]: Finished difference Result 108845 states and 138734 transitions. [2024-12-02 07:15:09,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 07:15:09,049 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 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) Word has length 100 [2024-12-02 07:15:09,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:09,111 INFO L225 Difference]: With dead ends: 108845 [2024-12-02 07:15:09,111 INFO L226 Difference]: Without dead ends: 66883 [2024-12-02 07:15:09,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 07:15:09,144 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 1416 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:09,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 449 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:15:09,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66883 states. [2024-12-02 07:15:09,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66883 to 42066. [2024-12-02 07:15:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42066 states, 42065 states have (on average 1.2826102460477833) internal successors, (53953), 42065 states have internal predecessors, (53953), 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 07:15:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42066 states to 42066 states and 53953 transitions. [2024-12-02 07:15:09,816 INFO L78 Accepts]: Start accepts. Automaton has 42066 states and 53953 transitions. Word has length 100 [2024-12-02 07:15:09,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:09,816 INFO L471 AbstractCegarLoop]: Abstraction has 42066 states and 53953 transitions. [2024-12-02 07:15:09,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 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 07:15:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand 42066 states and 53953 transitions. [2024-12-02 07:15:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 07:15:09,819 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:09,820 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:09,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 07:15:09,820 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:09,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash -679937044, now seen corresponding path program 1 times [2024-12-02 07:15:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:09,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6527726] [2024-12-02 07:15:09,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:09,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 07:15:09,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:09,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6527726] [2024-12-02 07:15:09,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6527726] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:09,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:09,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:15:09,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379841064] [2024-12-02 07:15:09,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:09,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:15:09,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:09,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:15:09,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:15:09,912 INFO L87 Difference]: Start difference. First operand 42066 states and 53953 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 07:15:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:10,192 INFO L93 Difference]: Finished difference Result 101464 states and 129719 transitions. [2024-12-02 07:15:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:15:10,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) Word has length 100 [2024-12-02 07:15:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:10,247 INFO L225 Difference]: With dead ends: 101464 [2024-12-02 07:15:10,247 INFO L226 Difference]: Without dead ends: 59514 [2024-12-02 07:15:10,272 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 07:15:10,273 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 80 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:10,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 222 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:15:10,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59514 states. [2024-12-02 07:15:10,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59514 to 41820. [2024-12-02 07:15:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41820 states, 41819 states have (on average 1.2783902054090246) internal successors, (53461), 41819 states have internal predecessors, (53461), 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 07:15:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41820 states to 41820 states and 53461 transitions. [2024-12-02 07:15:10,873 INFO L78 Accepts]: Start accepts. Automaton has 41820 states and 53461 transitions. Word has length 100 [2024-12-02 07:15:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:10,873 INFO L471 AbstractCegarLoop]: Abstraction has 41820 states and 53461 transitions. [2024-12-02 07:15:10,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 07:15:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 41820 states and 53461 transitions. [2024-12-02 07:15:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 07:15:10,876 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:10,877 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:10,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 07:15:10,877 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:10,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:10,877 INFO L85 PathProgramCache]: Analyzing trace with hash 595165645, now seen corresponding path program 1 times [2024-12-02 07:15:10,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:10,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782209246] [2024-12-02 07:15:10,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:10,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:11,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:11,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782209246] [2024-12-02 07:15:11,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782209246] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:15:11,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725520071] [2024-12-02 07:15:11,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:15:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:15:11,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:15:11,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 07:15:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:11,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 07:15:11,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:11,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:15:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:12,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725520071] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:15:12,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:15:12,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-12-02 07:15:12,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157759300] [2024-12-02 07:15:12,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:15:12,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 07:15:12,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:12,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 07:15:12,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:15:12,631 INFO L87 Difference]: Start difference. First operand 41820 states and 53461 transitions. Second operand has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 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 07:15:16,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:16,977 INFO L93 Difference]: Finished difference Result 134135 states and 170392 transitions. [2024-12-02 07:15:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-12-02 07:15:16,977 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 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) Word has length 100 [2024-12-02 07:15:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:17,066 INFO L225 Difference]: With dead ends: 134135 [2024-12-02 07:15:17,066 INFO L226 Difference]: Without dead ends: 107977 [2024-12-02 07:15:17,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3975 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2034, Invalid=11076, Unknown=0, NotChecked=0, Total=13110 [2024-12-02 07:15:17,093 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 1023 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:17,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 2258 Invalid, 3057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 07:15:17,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107977 states. [2024-12-02 07:15:17,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107977 to 57431. [2024-12-02 07:15:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57431 states, 57430 states have (on average 1.2791920598990074) internal successors, (73464), 57430 states have internal predecessors, (73464), 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 07:15:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57431 states to 57431 states and 73464 transitions. [2024-12-02 07:15:17,972 INFO L78 Accepts]: Start accepts. Automaton has 57431 states and 73464 transitions. Word has length 100 [2024-12-02 07:15:17,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:17,972 INFO L471 AbstractCegarLoop]: Abstraction has 57431 states and 73464 transitions. [2024-12-02 07:15:17,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 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 07:15:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 57431 states and 73464 transitions. [2024-12-02 07:15:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 07:15:17,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:17,975 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:17,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 07:15:18,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:15:18,175 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:18,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:18,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1968061963, now seen corresponding path program 1 times [2024-12-02 07:15:18,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:18,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10676762] [2024-12-02 07:15:18,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:18,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:18,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10676762] [2024-12-02 07:15:18,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10676762] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:15:18,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111607035] [2024-12-02 07:15:18,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:18,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:15:18,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:15:18,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:15:18,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 07:15:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:18,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 07:15:18,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:19,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:15:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:20,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111607035] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:15:20,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:15:20,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-12-02 07:15:20,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547594464] [2024-12-02 07:15:20,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:15:20,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 07:15:20,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:20,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 07:15:20,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-12-02 07:15:20,259 INFO L87 Difference]: Start difference. First operand 57431 states and 73464 transitions. Second operand has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 25 states have internal predecessors, (227), 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 07:15:21,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:21,138 INFO L93 Difference]: Finished difference Result 106190 states and 135574 transitions. [2024-12-02 07:15:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 07:15:21,139 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 25 states have internal predecessors, (227), 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) Word has length 101 [2024-12-02 07:15:21,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:21,198 INFO L225 Difference]: With dead ends: 106190 [2024-12-02 07:15:21,199 INFO L226 Difference]: Without dead ends: 79334 [2024-12-02 07:15:21,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=346, Invalid=1294, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 07:15:21,219 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 492 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:21,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 1250 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:15:21,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79334 states. [2024-12-02 07:15:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79334 to 62298. [2024-12-02 07:15:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62298 states, 62297 states have (on average 1.2783280093744482) internal successors, (79636), 62297 states have internal predecessors, (79636), 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 07:15:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62298 states to 62298 states and 79636 transitions. [2024-12-02 07:15:21,954 INFO L78 Accepts]: Start accepts. Automaton has 62298 states and 79636 transitions. Word has length 101 [2024-12-02 07:15:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:21,954 INFO L471 AbstractCegarLoop]: Abstraction has 62298 states and 79636 transitions. [2024-12-02 07:15:21,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 25 states have internal predecessors, (227), 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 07:15:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 62298 states and 79636 transitions. [2024-12-02 07:15:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 07:15:21,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:21,957 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:21,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 07:15:22,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:15:22,157 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:22,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:22,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1868298, now seen corresponding path program 1 times [2024-12-02 07:15:22,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:22,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865675620] [2024-12-02 07:15:22,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 07:15:22,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865675620] [2024-12-02 07:15:22,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865675620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:22,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:22,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:15:22,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228980961] [2024-12-02 07:15:22,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:22,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:15:22,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:22,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:15:22,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:15:22,324 INFO L87 Difference]: Start difference. First operand 62298 states and 79636 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 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 07:15:22,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:22,986 INFO L93 Difference]: Finished difference Result 156231 states and 199638 transitions. [2024-12-02 07:15:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 07:15:22,987 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 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) Word has length 101 [2024-12-02 07:15:22,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:23,086 INFO L225 Difference]: With dead ends: 156231 [2024-12-02 07:15:23,086 INFO L226 Difference]: Without dead ends: 98886 [2024-12-02 07:15:23,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:15:23,115 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 365 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:23,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 465 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:15:23,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98886 states. [2024-12-02 07:15:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98886 to 62290. [2024-12-02 07:15:23,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62290 states, 62289 states have (on average 1.278331647642441) internal successors, (79626), 62289 states have internal predecessors, (79626), 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 07:15:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62290 states to 62290 states and 79626 transitions. [2024-12-02 07:15:23,822 INFO L78 Accepts]: Start accepts. Automaton has 62290 states and 79626 transitions. Word has length 101 [2024-12-02 07:15:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:23,822 INFO L471 AbstractCegarLoop]: Abstraction has 62290 states and 79626 transitions. [2024-12-02 07:15:23,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 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 07:15:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 62290 states and 79626 transitions. [2024-12-02 07:15:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 07:15:23,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:23,826 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:23,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 07:15:23,826 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:23,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:23,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2099092396, now seen corresponding path program 1 times [2024-12-02 07:15:23,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:23,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211126979] [2024-12-02 07:15:23,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 07:15:23,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:23,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211126979] [2024-12-02 07:15:23,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211126979] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:23,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:23,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:15:23,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821905129] [2024-12-02 07:15:23,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:23,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:15:23,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:23,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:15:23,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:15:23,863 INFO L87 Difference]: Start difference. First operand 62290 states and 79626 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 07:15:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:24,278 INFO L93 Difference]: Finished difference Result 117787 states and 150939 transitions. [2024-12-02 07:15:24,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:15:24,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) Word has length 102 [2024-12-02 07:15:24,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:24,323 INFO L225 Difference]: With dead ends: 117787 [2024-12-02 07:15:24,323 INFO L226 Difference]: Without dead ends: 55648 [2024-12-02 07:15:24,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:15:24,339 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:24,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 135 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:15:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55648 states. [2024-12-02 07:15:24,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55648 to 55648. [2024-12-02 07:15:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55648 states, 55647 states have (on average 1.2701852750372886) internal successors, (70682), 55647 states have internal predecessors, (70682), 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 07:15:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55648 states to 55648 states and 70682 transitions. [2024-12-02 07:15:24,910 INFO L78 Accepts]: Start accepts. Automaton has 55648 states and 70682 transitions. Word has length 102 [2024-12-02 07:15:24,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:24,910 INFO L471 AbstractCegarLoop]: Abstraction has 55648 states and 70682 transitions. [2024-12-02 07:15:24,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 07:15:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 55648 states and 70682 transitions. [2024-12-02 07:15:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 07:15:24,912 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:24,912 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:24,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 07:15:24,912 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:24,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:24,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1858682910, now seen corresponding path program 1 times [2024-12-02 07:15:24,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:24,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653952037] [2024-12-02 07:15:24,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 07:15:24,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:24,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653952037] [2024-12-02 07:15:24,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653952037] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:24,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:24,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:15:24,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211209164] [2024-12-02 07:15:24,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:24,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:15:24,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:24,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:15:24,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:15:24,947 INFO L87 Difference]: Start difference. First operand 55648 states and 70682 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 07:15:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:25,136 INFO L93 Difference]: Finished difference Result 102310 states and 130047 transitions. [2024-12-02 07:15:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:15:25,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) Word has length 102 [2024-12-02 07:15:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:25,174 INFO L225 Difference]: With dead ends: 102310 [2024-12-02 07:15:25,174 INFO L226 Difference]: Without dead ends: 46783 [2024-12-02 07:15:25,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:15:25,195 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 81 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:25,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 118 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:15:25,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46783 states. [2024-12-02 07:15:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46783 to 46783. [2024-12-02 07:15:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46783 states, 46782 states have (on average 1.2507374631268438) internal successors, (58512), 46782 states have internal predecessors, (58512), 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 07:15:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46783 states to 46783 states and 58512 transitions. [2024-12-02 07:15:25,676 INFO L78 Accepts]: Start accepts. Automaton has 46783 states and 58512 transitions. Word has length 102 [2024-12-02 07:15:25,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:25,676 INFO L471 AbstractCegarLoop]: Abstraction has 46783 states and 58512 transitions. [2024-12-02 07:15:25,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 07:15:25,676 INFO L276 IsEmpty]: Start isEmpty. Operand 46783 states and 58512 transitions. [2024-12-02 07:15:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 07:15:25,677 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:25,678 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:25,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 07:15:25,678 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:25,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash -783672287, now seen corresponding path program 1 times [2024-12-02 07:15:25,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:25,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616544106] [2024-12-02 07:15:25,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:25,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:27,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:27,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616544106] [2024-12-02 07:15:27,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616544106] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:15:27,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093361900] [2024-12-02 07:15:27,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:27,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:15:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:15:27,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:15:27,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 07:15:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:27,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 07:15:27,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:31,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:15:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:34,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093361900] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:15:34,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:15:34,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21, 20] total 62 [2024-12-02 07:15:34,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195400204] [2024-12-02 07:15:34,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:15:34,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-02 07:15:34,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:34,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-02 07:15:34,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=3510, Unknown=0, NotChecked=0, Total=3782 [2024-12-02 07:15:34,694 INFO L87 Difference]: Start difference. First operand 46783 states and 58512 transitions. Second operand has 62 states, 62 states have (on average 4.467741935483871) internal successors, (277), 62 states have internal predecessors, (277), 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 07:15:51,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:51,349 INFO L93 Difference]: Finished difference Result 147648 states and 184558 transitions. [2024-12-02 07:15:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-12-02 07:15:51,349 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 4.467741935483871) internal successors, (277), 62 states have internal predecessors, (277), 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) Word has length 102 [2024-12-02 07:15:51,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:51,441 INFO L225 Difference]: With dead ends: 147648 [2024-12-02 07:15:51,441 INFO L226 Difference]: Without dead ends: 100986 [2024-12-02 07:15:51,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3108 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=2137, Invalid=14375, Unknown=0, NotChecked=0, Total=16512 [2024-12-02 07:15:51,471 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 2576 mSDsluCounter, 5645 mSDsCounter, 0 mSdLazyCounter, 4025 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:51,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 5777 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 4025 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-02 07:15:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100986 states. [2024-12-02 07:15:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100986 to 61522. [2024-12-02 07:15:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61522 states, 61521 states have (on average 1.2508574307959883) internal successors, (76954), 61521 states have internal predecessors, (76954), 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 07:15:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61522 states to 61522 states and 76954 transitions. [2024-12-02 07:15:52,158 INFO L78 Accepts]: Start accepts. Automaton has 61522 states and 76954 transitions. Word has length 102 [2024-12-02 07:15:52,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:52,158 INFO L471 AbstractCegarLoop]: Abstraction has 61522 states and 76954 transitions. [2024-12-02 07:15:52,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.467741935483871) internal successors, (277), 62 states have internal predecessors, (277), 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 07:15:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 61522 states and 76954 transitions. [2024-12-02 07:15:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 07:15:52,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:52,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:52,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 07:15:52,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-12-02 07:15:52,360 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:52,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2078637285, now seen corresponding path program 1 times [2024-12-02 07:15:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433821831] [2024-12-02 07:15:52,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 07:15:53,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:53,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433821831] [2024-12-02 07:15:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433821831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:53,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:53,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 07:15:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279562933] [2024-12-02 07:15:53,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:53,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 07:15:53,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:53,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 07:15:53,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-12-02 07:15:53,014 INFO L87 Difference]: Start difference. First operand 61522 states and 76954 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 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 07:15:53,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:53,656 INFO L93 Difference]: Finished difference Result 87620 states and 109739 transitions. [2024-12-02 07:15:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 07:15:53,657 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 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) Word has length 102 [2024-12-02 07:15:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:53,701 INFO L225 Difference]: With dead ends: 87620 [2024-12-02 07:15:53,701 INFO L226 Difference]: Without dead ends: 56157 [2024-12-02 07:15:53,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2024-12-02 07:15:53,718 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 198 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:53,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 970 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:15:53,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56157 states. [2024-12-02 07:15:54,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56157 to 56157. [2024-12-02 07:15:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56157 states, 56156 states have (on average 1.2513355652111975) internal successors, (70270), 56156 states have internal predecessors, (70270), 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 07:15:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56157 states to 56157 states and 70270 transitions. [2024-12-02 07:15:54,179 INFO L78 Accepts]: Start accepts. Automaton has 56157 states and 70270 transitions. Word has length 102 [2024-12-02 07:15:54,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:54,179 INFO L471 AbstractCegarLoop]: Abstraction has 56157 states and 70270 transitions. [2024-12-02 07:15:54,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 states have internal predecessors, (96), 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 07:15:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 56157 states and 70270 transitions. [2024-12-02 07:15:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 07:15:54,180 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:54,180 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:54,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 07:15:54,181 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:15:54,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:54,181 INFO L85 PathProgramCache]: Analyzing trace with hash -843570899, now seen corresponding path program 1 times [2024-12-02 07:15:54,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022246817] [2024-12-02 07:15:54,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:54,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:54,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:54,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022246817] [2024-12-02 07:15:54,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022246817] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:15:54,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487059918] [2024-12-02 07:15:54,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:54,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:15:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:15:54,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:15:54,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 07:15:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:55,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 07:15:55,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:15:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:55,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:15:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:15:56,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487059918] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:15:56,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:15:56,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 11] total 42 [2024-12-02 07:15:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421944711] [2024-12-02 07:15:56,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:15:56,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-12-02 07:15:56,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:56,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-12-02 07:15:56,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 07:15:56,689 INFO L87 Difference]: Start difference. First operand 56157 states and 70270 transitions. Second operand has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 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 07:16:22,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:22,722 INFO L93 Difference]: Finished difference Result 178794 states and 222868 transitions. [2024-12-02 07:16:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-12-02 07:16:22,723 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 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) Word has length 102 [2024-12-02 07:16:22,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:22,829 INFO L225 Difference]: With dead ends: 178794 [2024-12-02 07:16:22,829 INFO L226 Difference]: Without dead ends: 128866 [2024-12-02 07:16:22,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29422 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=6245, Invalid=71317, Unknown=0, NotChecked=0, Total=77562 [2024-12-02 07:16:22,866 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 2664 mSDsluCounter, 8521 mSDsCounter, 0 mSdLazyCounter, 12941 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 8820 SdHoareTripleChecker+Invalid, 13043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 12941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:22,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 8820 Invalid, 13043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 12941 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-12-02 07:16:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128866 states. [2024-12-02 07:16:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128866 to 73450. [2024-12-02 07:16:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73450 states, 73449 states have (on average 1.251344470312734) internal successors, (91910), 73449 states have internal predecessors, (91910), 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 07:16:23,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73450 states to 73450 states and 91910 transitions. [2024-12-02 07:16:23,730 INFO L78 Accepts]: Start accepts. Automaton has 73450 states and 91910 transitions. Word has length 102 [2024-12-02 07:16:23,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:23,730 INFO L471 AbstractCegarLoop]: Abstraction has 73450 states and 91910 transitions. [2024-12-02 07:16:23,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.5476190476190474) internal successors, (275), 42 states have internal predecessors, (275), 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 07:16:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 73450 states and 91910 transitions. [2024-12-02 07:16:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:16:23,732 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:23,732 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:23,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 07:16:23,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-12-02 07:16:23,932 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:16:23,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1830146357, now seen corresponding path program 1 times [2024-12-02 07:16:23,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:16:23,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676010894] [2024-12-02 07:16:23,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:23,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:16:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:24,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:16:24,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676010894] [2024-12-02 07:16:24,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676010894] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:16:24,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008587533] [2024-12-02 07:16:24,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:24,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:16:24,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:16:24,354 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:16:24,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 07:16:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:24,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 07:16:24,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:25,098 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:16:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:25,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008587533] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:16:25,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:16:25,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 34 [2024-12-02 07:16:25,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200856041] [2024-12-02 07:16:25,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:16:25,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-02 07:16:25,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:16:25,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-02 07:16:25,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 07:16:25,759 INFO L87 Difference]: Start difference. First operand 73450 states and 91910 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 07:16:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:29,382 INFO L93 Difference]: Finished difference Result 174880 states and 218108 transitions. [2024-12-02 07:16:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-02 07:16:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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) Word has length 103 [2024-12-02 07:16:29,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:29,482 INFO L225 Difference]: With dead ends: 174880 [2024-12-02 07:16:29,482 INFO L226 Difference]: Without dead ends: 126458 [2024-12-02 07:16:29,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3009 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1407, Invalid=9935, Unknown=0, NotChecked=0, Total=11342 [2024-12-02 07:16:29,506 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 1368 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:29,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 4585 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 07:16:29,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126458 states. [2024-12-02 07:16:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126458 to 102048. [2024-12-02 07:16:30,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102048 states, 102047 states have (on average 1.2488853175497565) internal successors, (127445), 102047 states have internal predecessors, (127445), 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 07:16:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102048 states to 102048 states and 127445 transitions. [2024-12-02 07:16:30,485 INFO L78 Accepts]: Start accepts. Automaton has 102048 states and 127445 transitions. Word has length 103 [2024-12-02 07:16:30,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:30,485 INFO L471 AbstractCegarLoop]: Abstraction has 102048 states and 127445 transitions. [2024-12-02 07:16:30,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 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 07:16:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 102048 states and 127445 transitions. [2024-12-02 07:16:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 07:16:30,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:30,487 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:30,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 07:16:30,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-02 07:16:30,687 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:16:30,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:30,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1970892402, now seen corresponding path program 1 times [2024-12-02 07:16:30,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:16:30,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458678831] [2024-12-02 07:16:30,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:16:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:31,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:16:31,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458678831] [2024-12-02 07:16:31,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458678831] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:16:31,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657648196] [2024-12-02 07:16:31,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:31,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:16:31,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:16:31,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:16:31,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 07:16:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:31,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 07:16:31,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 07:16:31,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:16:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 07:16:31,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657648196] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:16:31,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:16:31,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 23 [2024-12-02 07:16:31,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322533684] [2024-12-02 07:16:31,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:16:31,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 07:16:31,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:16:31,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 07:16:31,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-12-02 07:16:31,796 INFO L87 Difference]: Start difference. First operand 102048 states and 127445 transitions. Second operand has 23 states, 23 states have (on average 12.782608695652174) internal successors, (294), 23 states have internal predecessors, (294), 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 07:16:33,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:33,764 INFO L93 Difference]: Finished difference Result 233148 states and 289745 transitions. [2024-12-02 07:16:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-02 07:16:33,765 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.782608695652174) internal successors, (294), 23 states have internal predecessors, (294), 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) Word has length 104 [2024-12-02 07:16:33,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:33,900 INFO L225 Difference]: With dead ends: 233148 [2024-12-02 07:16:33,900 INFO L226 Difference]: Without dead ends: 131452 [2024-12-02 07:16:33,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=610, Invalid=4220, Unknown=0, NotChecked=0, Total=4830 [2024-12-02 07:16:33,947 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 713 mSDsluCounter, 2108 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:33,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 2248 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:16:34,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131452 states. [2024-12-02 07:16:34,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131452 to 121017. [2024-12-02 07:16:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121017 states, 121016 states have (on average 1.2444139617901766) internal successors, (150594), 121016 states have internal predecessors, (150594), 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 07:16:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121017 states to 121017 states and 150594 transitions. [2024-12-02 07:16:35,191 INFO L78 Accepts]: Start accepts. Automaton has 121017 states and 150594 transitions. Word has length 104 [2024-12-02 07:16:35,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:35,191 INFO L471 AbstractCegarLoop]: Abstraction has 121017 states and 150594 transitions. [2024-12-02 07:16:35,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.782608695652174) internal successors, (294), 23 states have internal predecessors, (294), 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 07:16:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 121017 states and 150594 transitions. [2024-12-02 07:16:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 07:16:35,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:35,193 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:35,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 07:16:35,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-12-02 07:16:35,393 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:16:35,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:35,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1675352264, now seen corresponding path program 1 times [2024-12-02 07:16:35,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:16:35,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093335355] [2024-12-02 07:16:35,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:16:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:35,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:16:35,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093335355] [2024-12-02 07:16:35,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093335355] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:16:35,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492913196] [2024-12-02 07:16:35,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:35,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:16:35,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:16:35,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:16:35,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 07:16:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:36,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 07:16:36,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:37,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:16:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:39,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492913196] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:16:39,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:16:39,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2024-12-02 07:16:39,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911328979] [2024-12-02 07:16:39,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:16:39,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-12-02 07:16:39,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:16:39,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-12-02 07:16:39,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2019, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 07:16:39,954 INFO L87 Difference]: Start difference. First operand 121017 states and 150594 transitions. Second operand has 47 states, 47 states have (on average 6.0212765957446805) internal successors, (283), 47 states have internal predecessors, (283), 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 07:16:51,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:51,418 INFO L93 Difference]: Finished difference Result 202773 states and 251659 transitions. [2024-12-02 07:16:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-12-02 07:16:51,419 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 6.0212765957446805) internal successors, (283), 47 states have internal predecessors, (283), 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) Word has length 104 [2024-12-02 07:16:51,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:51,568 INFO L225 Difference]: With dead ends: 202773 [2024-12-02 07:16:51,568 INFO L226 Difference]: Without dead ends: 167404 [2024-12-02 07:16:51,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4818 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=2055, Invalid=17685, Unknown=0, NotChecked=0, Total=19740 [2024-12-02 07:16:51,607 INFO L435 NwaCegarLoop]: 311 mSDtfsCounter, 1824 mSDsluCounter, 9066 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 9377 SdHoareTripleChecker+Invalid, 5224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:51,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 9377 Invalid, 5224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 07:16:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167404 states. [2024-12-02 07:16:52,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167404 to 124899. [2024-12-02 07:16:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124899 states, 124898 states have (on average 1.2449518807346796) internal successors, (155492), 124898 states have internal predecessors, (155492), 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 07:16:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124899 states to 124899 states and 155492 transitions. [2024-12-02 07:16:53,023 INFO L78 Accepts]: Start accepts. Automaton has 124899 states and 155492 transitions. Word has length 104 [2024-12-02 07:16:53,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:53,024 INFO L471 AbstractCegarLoop]: Abstraction has 124899 states and 155492 transitions. [2024-12-02 07:16:53,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.0212765957446805) internal successors, (283), 47 states have internal predecessors, (283), 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 07:16:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 124899 states and 155492 transitions. [2024-12-02 07:16:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 07:16:53,025 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:53,025 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:53,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 07:16:53,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:16:53,226 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:16:53,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:53,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1572226621, now seen corresponding path program 1 times [2024-12-02 07:16:53,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:16:53,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279625305] [2024-12-02 07:16:53,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:16:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:53,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:16:53,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279625305] [2024-12-02 07:16:53,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279625305] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:16:53,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923582866] [2024-12-02 07:16:53,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:53,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:16:53,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:16:53,654 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:16:53,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 07:16:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:53,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 07:16:53,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:16:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:55,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:16:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:16:55,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923582866] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:16:55,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:16:55,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 12] total 36 [2024-12-02 07:16:55,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976275620] [2024-12-02 07:16:55,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:16:55,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 07:16:55,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:16:55,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 07:16:55,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 07:16:55,964 INFO L87 Difference]: Start difference. First operand 124899 states and 155492 transitions. Second operand has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 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 07:16:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:58,519 INFO L93 Difference]: Finished difference Result 207119 states and 257922 transitions. [2024-12-02 07:16:58,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-02 07:16:58,520 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 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) Word has length 104 [2024-12-02 07:16:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:58,662 INFO L225 Difference]: With dead ends: 207119 [2024-12-02 07:16:58,663 INFO L226 Difference]: Without dead ends: 158537 [2024-12-02 07:16:58,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=821, Invalid=3871, Unknown=0, NotChecked=0, Total=4692 [2024-12-02 07:16:58,894 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 1834 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3607 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:58,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3607 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:16:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158537 states. [2024-12-02 07:16:59,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158537 to 117396. [2024-12-02 07:17:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117396 states, 117395 states have (on average 1.24507006260914) internal successors, (146165), 117395 states have internal predecessors, (146165), 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 07:17:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117396 states to 117396 states and 146165 transitions. [2024-12-02 07:17:00,171 INFO L78 Accepts]: Start accepts. Automaton has 117396 states and 146165 transitions. Word has length 104 [2024-12-02 07:17:00,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:17:00,171 INFO L471 AbstractCegarLoop]: Abstraction has 117396 states and 146165 transitions. [2024-12-02 07:17:00,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.638888888888889) internal successors, (275), 36 states have internal predecessors, (275), 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 07:17:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 117396 states and 146165 transitions. [2024-12-02 07:17:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:17:00,172 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:17:00,172 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:17:00,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 07:17:00,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:17:00,373 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:17:00,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:17:00,374 INFO L85 PathProgramCache]: Analyzing trace with hash -2045091184, now seen corresponding path program 1 times [2024-12-02 07:17:00,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:17:00,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598368530] [2024-12-02 07:17:00,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:17:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:00,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:00,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:17:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598368530] [2024-12-02 07:17:00,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598368530] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:17:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32843838] [2024-12-02 07:17:00,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:00,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:17:00,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:17:00,748 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:17:00,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 07:17:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:00,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 07:17:00,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:17:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:02,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:17:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:03,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32843838] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:17:03,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:17:03,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 12] total 37 [2024-12-02 07:17:03,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822843224] [2024-12-02 07:17:03,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:17:03,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-02 07:17:03,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:17:03,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-02 07:17:03,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1203, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 07:17:03,249 INFO L87 Difference]: Start difference. First operand 117396 states and 146165 transitions. Second operand has 37 states, 37 states have (on average 7.972972972972973) internal successors, (295), 37 states have internal predecessors, (295), 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 07:17:06,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:17:06,872 INFO L93 Difference]: Finished difference Result 220664 states and 272796 transitions. [2024-12-02 07:17:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-02 07:17:06,873 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 7.972972972972973) internal successors, (295), 37 states have internal predecessors, (295), 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) Word has length 105 [2024-12-02 07:17:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:17:07,011 INFO L225 Difference]: With dead ends: 220664 [2024-12-02 07:17:07,011 INFO L226 Difference]: Without dead ends: 134098 [2024-12-02 07:17:07,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=800, Invalid=4030, Unknown=0, NotChecked=0, Total=4830 [2024-12-02 07:17:07,060 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 1504 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:17:07,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2696 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 07:17:07,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134098 states. [2024-12-02 07:17:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134098 to 90783. [2024-12-02 07:17:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90783 states, 90782 states have (on average 1.240774602894847) internal successors, (112640), 90782 states have internal predecessors, (112640), 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 07:17:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90783 states to 90783 states and 112640 transitions. [2024-12-02 07:17:08,476 INFO L78 Accepts]: Start accepts. Automaton has 90783 states and 112640 transitions. Word has length 105 [2024-12-02 07:17:08,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:17:08,476 INFO L471 AbstractCegarLoop]: Abstraction has 90783 states and 112640 transitions. [2024-12-02 07:17:08,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.972972972972973) internal successors, (295), 37 states have internal predecessors, (295), 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 07:17:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 90783 states and 112640 transitions. [2024-12-02 07:17:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:17:08,478 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:17:08,478 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:17:08,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 07:17:08,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-12-02 07:17:08,678 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:17:08,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:17:08,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1192811092, now seen corresponding path program 1 times [2024-12-02 07:17:08,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:17:08,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215046111] [2024-12-02 07:17:08,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:17:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:09,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:17:09,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215046111] [2024-12-02 07:17:09,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215046111] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:17:09,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063227951] [2024-12-02 07:17:09,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:09,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:17:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:17:09,313 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:17:09,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 07:17:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:09,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 07:17:09,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:17:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:11,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:17:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:13,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063227951] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:17:13,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:17:13,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 53 [2024-12-02 07:17:13,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432955952] [2024-12-02 07:17:13,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:17:13,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-12-02 07:17:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:17:13,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-12-02 07:17:13,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=2549, Unknown=0, NotChecked=0, Total=2756 [2024-12-02 07:17:13,992 INFO L87 Difference]: Start difference. First operand 90783 states and 112640 transitions. Second operand has 53 states, 53 states have (on average 5.471698113207547) internal successors, (290), 53 states have internal predecessors, (290), 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 07:17:50,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:17:50,424 INFO L93 Difference]: Finished difference Result 241482 states and 297868 transitions. [2024-12-02 07:17:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2024-12-02 07:17:50,425 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.471698113207547) internal successors, (290), 53 states have internal predecessors, (290), 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) Word has length 105 [2024-12-02 07:17:50,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:17:50,608 INFO L225 Difference]: With dead ends: 241482 [2024-12-02 07:17:50,608 INFO L226 Difference]: Without dead ends: 198080 [2024-12-02 07:17:50,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 373 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52809 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=13834, Invalid=126416, Unknown=0, NotChecked=0, Total=140250 [2024-12-02 07:17:50,656 INFO L435 NwaCegarLoop]: 324 mSDtfsCounter, 3911 mSDsluCounter, 8822 mSDsCounter, 0 mSdLazyCounter, 6386 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3911 SdHoareTripleChecker+Valid, 9146 SdHoareTripleChecker+Invalid, 6461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 6386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:17:50,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3911 Valid, 9146 Invalid, 6461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 6386 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 07:17:50,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198080 states. [2024-12-02 07:17:51,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198080 to 94591. [2024-12-02 07:17:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94591 states, 94590 states have (on average 1.242721217887726) internal successors, (117549), 94590 states have internal predecessors, (117549), 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 07:17:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94591 states to 94591 states and 117549 transitions. [2024-12-02 07:17:51,912 INFO L78 Accepts]: Start accepts. Automaton has 94591 states and 117549 transitions. Word has length 105 [2024-12-02 07:17:51,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:17:51,913 INFO L471 AbstractCegarLoop]: Abstraction has 94591 states and 117549 transitions. [2024-12-02 07:17:51,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.471698113207547) internal successors, (290), 53 states have internal predecessors, (290), 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 07:17:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 94591 states and 117549 transitions. [2024-12-02 07:17:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 07:17:51,914 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:17:51,914 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:17:51,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 07:17:52,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-12-02 07:17:52,114 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:17:52,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:17:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash 840645789, now seen corresponding path program 1 times [2024-12-02 07:17:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:17:52,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702247424] [2024-12-02 07:17:52,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:17:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:53,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:17:53,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702247424] [2024-12-02 07:17:53,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702247424] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:17:53,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998074089] [2024-12-02 07:17:53,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:53,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:17:53,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:17:53,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:17:53,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 07:17:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:53,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-02 07:17:53,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:17:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:17:56,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:18:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:18:02,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998074089] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:18:02,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:18:02,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 32, 31] total 80 [2024-12-02 07:18:02,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136434276] [2024-12-02 07:18:02,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:18:02,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-12-02 07:18:02,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:18:02,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-12-02 07:18:02,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=5676, Unknown=0, NotChecked=0, Total=6320 [2024-12-02 07:18:02,442 INFO L87 Difference]: Start difference. First operand 94591 states and 117549 transitions. Second operand has 80 states, 80 states have (on average 3.6625) internal successors, (293), 80 states have internal predecessors, (293), 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 07:21:34,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:34,022 INFO L93 Difference]: Finished difference Result 366789 states and 453930 transitions. [2024-12-02 07:21:34,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 458 states. [2024-12-02 07:21:34,023 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 80 states have (on average 3.6625) internal successors, (293), 80 states have internal predecessors, (293), 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) Word has length 106 [2024-12-02 07:21:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:34,326 INFO L225 Difference]: With dead ends: 366789 [2024-12-02 07:21:34,326 INFO L226 Difference]: Without dead ends: 331090 [2024-12-02 07:21:34,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 525 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121412 ImplicationChecksByTransitivity, 199.4s TimeCoverageRelationStatistics Valid=34750, Invalid=242452, Unknown=0, NotChecked=0, Total=277202 [2024-12-02 07:21:34,392 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 11817 mSDsluCounter, 8796 mSDsCounter, 0 mSdLazyCounter, 15287 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11817 SdHoareTripleChecker+Valid, 9056 SdHoareTripleChecker+Invalid, 15815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 15287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:34,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11817 Valid, 9056 Invalid, 15815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [528 Valid, 15287 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2024-12-02 07:21:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331090 states. [2024-12-02 07:21:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331090 to 129069. [2024-12-02 07:21:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129069 states, 129068 states have (on average 1.244537763039638) internal successors, (160630), 129068 states have internal predecessors, (160630), 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 07:21:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129069 states to 129069 states and 160630 transitions. [2024-12-02 07:21:36,499 INFO L78 Accepts]: Start accepts. Automaton has 129069 states and 160630 transitions. Word has length 106 [2024-12-02 07:21:36,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:36,499 INFO L471 AbstractCegarLoop]: Abstraction has 129069 states and 160630 transitions. [2024-12-02 07:21:36,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.6625) internal successors, (293), 80 states have internal predecessors, (293), 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 07:21:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 129069 states and 160630 transitions. [2024-12-02 07:21:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 07:21:36,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:36,501 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:36,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-02 07:21:36,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-12-02 07:21:36,702 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:36,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash -734421734, now seen corresponding path program 1 times [2024-12-02 07:21:36,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:36,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656483395] [2024-12-02 07:21:36,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:36,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:36,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:36,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656483395] [2024-12-02 07:21:36,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656483395] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:21:36,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296613975] [2024-12-02 07:21:36,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:36,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:21:36,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:21:36,772 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:21:36,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 07:21:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:36,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:21:36,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:21:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:37,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:21:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:37,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296613975] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:21:37,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:21:37,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-12-02 07:21:37,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793931795] [2024-12-02 07:21:37,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:21:37,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 07:21:37,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:37,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 07:21:37,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:21:37,395 INFO L87 Difference]: Start difference. First operand 129069 states and 160630 transitions. Second operand has 14 states, 14 states have (on average 24.714285714285715) internal successors, (346), 14 states have internal predecessors, (346), 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 07:21:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:37,978 INFO L93 Difference]: Finished difference Result 252839 states and 312698 transitions. [2024-12-02 07:21:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:21:37,978 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 24.714285714285715) internal successors, (346), 14 states have internal predecessors, (346), 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) Word has length 127 [2024-12-02 07:21:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:38,086 INFO L225 Difference]: With dead ends: 252839 [2024-12-02 07:21:38,086 INFO L226 Difference]: Without dead ends: 124433 [2024-12-02 07:21:38,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:21:38,139 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 440 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:38,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 585 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:21:38,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124433 states. [2024-12-02 07:21:39,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124433 to 123420. [2024-12-02 07:21:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123420 states, 123419 states have (on average 1.2176083099036614) internal successors, (150276), 123419 states have internal predecessors, (150276), 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 07:21:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123420 states to 123420 states and 150276 transitions. [2024-12-02 07:21:39,920 INFO L78 Accepts]: Start accepts. Automaton has 123420 states and 150276 transitions. Word has length 127 [2024-12-02 07:21:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:39,920 INFO L471 AbstractCegarLoop]: Abstraction has 123420 states and 150276 transitions. [2024-12-02 07:21:39,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 24.714285714285715) internal successors, (346), 14 states have internal predecessors, (346), 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 07:21:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 123420 states and 150276 transitions. [2024-12-02 07:21:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 07:21:39,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:39,922 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:39,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-02 07:21:40,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-12-02 07:21:40,122 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:40,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash -850021839, now seen corresponding path program 1 times [2024-12-02 07:21:40,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:40,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636367675] [2024-12-02 07:21:40,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:40,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 07:21:40,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:40,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636367675] [2024-12-02 07:21:40,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636367675] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:40,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:40,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:21:40,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553959575] [2024-12-02 07:21:40,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:40,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:21:40,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:40,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:21:40,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:21:40,177 INFO L87 Difference]: Start difference. First operand 123420 states and 150276 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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 07:21:40,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:40,738 INFO L93 Difference]: Finished difference Result 179129 states and 218368 transitions. [2024-12-02 07:21:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:21:40,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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) Word has length 128 [2024-12-02 07:21:40,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:40,803 INFO L225 Difference]: With dead ends: 179129 [2024-12-02 07:21:40,803 INFO L226 Difference]: Without dead ends: 60936 [2024-12-02 07:21:40,847 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 07:21:40,847 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 50 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:40,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 198 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:21:40,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60936 states. [2024-12-02 07:21:41,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60936 to 48939. [2024-12-02 07:21:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48939 states, 48938 states have (on average 1.2041971474110098) internal successors, (58931), 48938 states have internal predecessors, (58931), 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 07:21:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48939 states to 48939 states and 58931 transitions. [2024-12-02 07:21:41,561 INFO L78 Accepts]: Start accepts. Automaton has 48939 states and 58931 transitions. Word has length 128 [2024-12-02 07:21:41,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:41,561 INFO L471 AbstractCegarLoop]: Abstraction has 48939 states and 58931 transitions. [2024-12-02 07:21:41,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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 07:21:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 48939 states and 58931 transitions. [2024-12-02 07:21:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 07:21:41,562 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:41,563 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:41,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-02 07:21:41,563 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:41,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:41,563 INFO L85 PathProgramCache]: Analyzing trace with hash 123467120, now seen corresponding path program 1 times [2024-12-02 07:21:41,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:41,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674160892] [2024-12-02 07:21:41,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:41,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 07:21:41,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:41,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674160892] [2024-12-02 07:21:41,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674160892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:41,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:41,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:21:41,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347259179] [2024-12-02 07:21:41,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:41,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:21:41,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:41,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:21:41,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:21:41,633 INFO L87 Difference]: Start difference. First operand 48939 states and 58931 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 07:21:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:41,739 INFO L93 Difference]: Finished difference Result 63668 states and 76507 transitions. [2024-12-02 07:21:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:21:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) Word has length 128 [2024-12-02 07:21:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:41,751 INFO L225 Difference]: With dead ends: 63668 [2024-12-02 07:21:41,751 INFO L226 Difference]: Without dead ends: 15205 [2024-12-02 07:21:41,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:21:41,766 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:41,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 201 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:21:41,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15205 states. [2024-12-02 07:21:41,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15205 to 15203. [2024-12-02 07:21:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15203 states, 15202 states have (on average 1.1749769767135902) internal successors, (17862), 15202 states have internal predecessors, (17862), 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 07:21:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15203 states to 15203 states and 17862 transitions. [2024-12-02 07:21:41,899 INFO L78 Accepts]: Start accepts. Automaton has 15203 states and 17862 transitions. Word has length 128 [2024-12-02 07:21:41,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:41,900 INFO L471 AbstractCegarLoop]: Abstraction has 15203 states and 17862 transitions. [2024-12-02 07:21:41,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 07:21:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 15203 states and 17862 transitions. [2024-12-02 07:21:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 07:21:41,903 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:41,903 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:41,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-02 07:21:41,903 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:41,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:41,904 INFO L85 PathProgramCache]: Analyzing trace with hash -126738194, now seen corresponding path program 1 times [2024-12-02 07:21:41,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:41,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708018929] [2024-12-02 07:21:41,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:41,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 38 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:42,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:42,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708018929] [2024-12-02 07:21:42,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708018929] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:21:42,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024014618] [2024-12-02 07:21:42,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:21:42,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:21:42,434 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:21:42,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 07:21:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:42,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 07:21:42,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:21:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:43,154 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:21:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 38 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:44,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024014618] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:21:44,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:21:44,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-12-02 07:21:44,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818018073] [2024-12-02 07:21:44,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:21:44,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 07:21:44,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:44,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 07:21:44,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2024-12-02 07:21:44,882 INFO L87 Difference]: Start difference. First operand 15203 states and 17862 transitions. Second operand has 26 states, 26 states have (on average 12.807692307692308) internal successors, (333), 25 states have internal predecessors, (333), 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 07:21:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:45,655 INFO L93 Difference]: Finished difference Result 19282 states and 22639 transitions. [2024-12-02 07:21:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 07:21:45,655 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 12.807692307692308) internal successors, (333), 25 states have internal predecessors, (333), 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) Word has length 149 [2024-12-02 07:21:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:45,664 INFO L225 Difference]: With dead ends: 19282 [2024-12-02 07:21:45,664 INFO L226 Difference]: Without dead ends: 14838 [2024-12-02 07:21:45,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=381, Invalid=1341, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 07:21:45,668 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 606 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:45,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 1300 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:21:45,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14838 states. [2024-12-02 07:21:45,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14838 to 13094. [2024-12-02 07:21:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13094 states, 13093 states have (on average 1.1697853815015657) internal successors, (15316), 13093 states have internal predecessors, (15316), 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 07:21:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13094 states to 13094 states and 15316 transitions. [2024-12-02 07:21:45,774 INFO L78 Accepts]: Start accepts. Automaton has 13094 states and 15316 transitions. Word has length 149 [2024-12-02 07:21:45,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:45,774 INFO L471 AbstractCegarLoop]: Abstraction has 13094 states and 15316 transitions. [2024-12-02 07:21:45,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.807692307692308) internal successors, (333), 25 states have internal predecessors, (333), 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 07:21:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 13094 states and 15316 transitions. [2024-12-02 07:21:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 07:21:45,776 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:45,776 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:45,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-02 07:21:45,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-12-02 07:21:45,977 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:45,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1637496411, now seen corresponding path program 1 times [2024-12-02 07:21:45,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:45,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779026773] [2024-12-02 07:21:45,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-02 07:21:46,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:46,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779026773] [2024-12-02 07:21:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779026773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:46,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:21:46,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961308978] [2024-12-02 07:21:46,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:46,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:21:46,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:46,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:21:46,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:21:46,043 INFO L87 Difference]: Start difference. First operand 13094 states and 15316 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 07:21:46,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:46,072 INFO L93 Difference]: Finished difference Result 16939 states and 19757 transitions. [2024-12-02 07:21:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:21:46,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) Word has length 149 [2024-12-02 07:21:46,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:46,075 INFO L225 Difference]: With dead ends: 16939 [2024-12-02 07:21:46,075 INFO L226 Difference]: Without dead ends: 4273 [2024-12-02 07:21:46,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:21:46,079 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 48 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:46,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:21:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2024-12-02 07:21:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4254. [2024-12-02 07:21:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4254 states, 4253 states have (on average 1.130966376675288) internal successors, (4810), 4253 states have internal predecessors, (4810), 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 07:21:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 4254 states and 4810 transitions. [2024-12-02 07:21:46,109 INFO L78 Accepts]: Start accepts. Automaton has 4254 states and 4810 transitions. Word has length 149 [2024-12-02 07:21:46,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:46,109 INFO L471 AbstractCegarLoop]: Abstraction has 4254 states and 4810 transitions. [2024-12-02 07:21:46,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 07:21:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4254 states and 4810 transitions. [2024-12-02 07:21:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 07:21:46,111 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:46,111 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:46,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-12-02 07:21:46,111 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:46,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:46,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1497287832, now seen corresponding path program 1 times [2024-12-02 07:21:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:46,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839203544] [2024-12-02 07:21:46,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:46,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:46,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839203544] [2024-12-02 07:21:46,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839203544] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:21:46,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334257039] [2024-12-02 07:21:46,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:46,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:21:46,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:21:46,467 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:21:46,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 07:21:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:46,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:21:46,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:21:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 22 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:47,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:21:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 22 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:21:50,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334257039] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:21:50,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:21:50,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 39 [2024-12-02 07:21:50,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307121115] [2024-12-02 07:21:50,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:21:50,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-12-02 07:21:50,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:50,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-12-02 07:21:50,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1367, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 07:21:50,069 INFO L87 Difference]: Start difference. First operand 4254 states and 4810 transitions. Second operand has 40 states, 40 states have (on average 10.575) internal successors, (423), 39 states have internal predecessors, (423), 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 07:21:56,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:56,017 INFO L93 Difference]: Finished difference Result 11212 states and 13014 transitions. [2024-12-02 07:21:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-12-02 07:21:56,018 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 10.575) internal successors, (423), 39 states have internal predecessors, (423), 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) Word has length 150 [2024-12-02 07:21:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:56,021 INFO L225 Difference]: With dead ends: 11212 [2024-12-02 07:21:56,022 INFO L226 Difference]: Without dead ends: 7902 [2024-12-02 07:21:56,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3986 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2694, Invalid=12558, Unknown=0, NotChecked=0, Total=15252 [2024-12-02 07:21:56,024 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 1782 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 1925 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:56,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 1834 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1925 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 07:21:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2024-12-02 07:21:56,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 5130. [2024-12-02 07:21:56,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5130 states, 5129 states have (on average 1.1288750243712224) internal successors, (5790), 5129 states have internal predecessors, (5790), 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 07:21:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5130 states to 5130 states and 5790 transitions. [2024-12-02 07:21:56,067 INFO L78 Accepts]: Start accepts. Automaton has 5130 states and 5790 transitions. Word has length 150 [2024-12-02 07:21:56,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:56,068 INFO L471 AbstractCegarLoop]: Abstraction has 5130 states and 5790 transitions. [2024-12-02 07:21:56,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.575) internal successors, (423), 39 states have internal predecessors, (423), 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 07:21:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5130 states and 5790 transitions. [2024-12-02 07:21:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 07:21:56,069 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:56,069 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:56,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-02 07:21:56,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-12-02 07:21:56,269 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:21:56,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:56,270 INFO L85 PathProgramCache]: Analyzing trace with hash 819854841, now seen corresponding path program 1 times [2024-12-02 07:21:56,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:56,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212437645] [2024-12-02 07:21:56,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:56,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 07:21:56,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:56,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212437645] [2024-12-02 07:21:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212437645] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:21:56,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324487126] [2024-12-02 07:21:56,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:56,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:21:56,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:21:56,888 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:21:56,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-02 07:21:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:57,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-02 07:21:57,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:21:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 59 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 07:21:59,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:22:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:22:04,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324487126] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:22:04,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:22:04,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 29] total 66 [2024-12-02 07:22:04,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013334228] [2024-12-02 07:22:04,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:22:04,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-12-02 07:22:04,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:04,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-12-02 07:22:04,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=3902, Unknown=0, NotChecked=0, Total=4290 [2024-12-02 07:22:04,609 INFO L87 Difference]: Start difference. First operand 5130 states and 5790 transitions. Second operand has 66 states, 66 states have (on average 5.484848484848484) internal successors, (362), 66 states have internal predecessors, (362), 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 07:22:29,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:29,196 INFO L93 Difference]: Finished difference Result 10201 states and 11598 transitions. [2024-12-02 07:22:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-12-02 07:22:29,197 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 5.484848484848484) internal successors, (362), 66 states have internal predecessors, (362), 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) Word has length 151 [2024-12-02 07:22:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:29,201 INFO L225 Difference]: With dead ends: 10201 [2024-12-02 07:22:29,201 INFO L226 Difference]: Without dead ends: 8559 [2024-12-02 07:22:29,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14976 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=4428, Invalid=42878, Unknown=0, NotChecked=0, Total=47306 [2024-12-02 07:22:29,205 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 3584 mSDsluCounter, 6822 mSDsCounter, 0 mSdLazyCounter, 4806 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 7029 SdHoareTripleChecker+Invalid, 4890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:29,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3584 Valid, 7029 Invalid, 4890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4806 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-02 07:22:29,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8559 states. [2024-12-02 07:22:29,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8559 to 6888. [2024-12-02 07:22:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6888 states, 6887 states have (on average 1.1351822273849281) internal successors, (7818), 6887 states have internal predecessors, (7818), 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 07:22:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6888 states to 6888 states and 7818 transitions. [2024-12-02 07:22:29,259 INFO L78 Accepts]: Start accepts. Automaton has 6888 states and 7818 transitions. Word has length 151 [2024-12-02 07:22:29,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:29,259 INFO L471 AbstractCegarLoop]: Abstraction has 6888 states and 7818 transitions. [2024-12-02 07:22:29,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 5.484848484848484) internal successors, (362), 66 states have internal predecessors, (362), 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 07:22:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6888 states and 7818 transitions. [2024-12-02 07:22:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 07:22:29,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:29,261 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:22:29,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-02 07:22:29,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-12-02 07:22:29,461 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:22:29,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:29,462 INFO L85 PathProgramCache]: Analyzing trace with hash -932309616, now seen corresponding path program 1 times [2024-12-02 07:22:29,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:29,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667414950] [2024-12-02 07:22:29,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:22:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 25 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:22:30,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:22:30,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667414950] [2024-12-02 07:22:30,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667414950] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:22:30,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693565559] [2024-12-02 07:22:30,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:30,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:22:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:22:30,166 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:22:30,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-02 07:22:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:30,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-02 07:22:30,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:22:33,841 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 25 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:22:33,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:22:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:22:46,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693565559] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:22:46,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:22:46,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 27] total 68 [2024-12-02 07:22:46,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020720363] [2024-12-02 07:22:46,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:22:46,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-12-02 07:22:46,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:46,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-12-02 07:22:46,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=4331, Unknown=0, NotChecked=0, Total=4692 [2024-12-02 07:22:46,374 INFO L87 Difference]: Start difference. First operand 6888 states and 7818 transitions. Second operand has 69 states, 69 states have (on average 6.260869565217392) internal successors, (432), 68 states have internal predecessors, (432), 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 07:24:42,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:42,579 INFO L93 Difference]: Finished difference Result 30205 states and 34807 transitions. [2024-12-02 07:24:42,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-12-02 07:24:42,581 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 6.260869565217392) internal successors, (432), 68 states have internal predecessors, (432), 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) Word has length 151 [2024-12-02 07:24:42,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:42,661 INFO L225 Difference]: With dead ends: 30205 [2024-12-02 07:24:42,662 INFO L226 Difference]: Without dead ends: 25897 [2024-12-02 07:24:42,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 247 SyntacticMatches, 5 SemanticMatches, 417 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67121 ImplicationChecksByTransitivity, 110.1s TimeCoverageRelationStatistics Valid=19180, Invalid=155962, Unknown=0, NotChecked=0, Total=175142 [2024-12-02 07:24:42,705 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 5539 mSDsluCounter, 11099 mSDsCounter, 0 mSdLazyCounter, 13080 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5539 SdHoareTripleChecker+Valid, 11504 SdHoareTripleChecker+Invalid, 13257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 13080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:42,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5539 Valid, 11504 Invalid, 13257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [177 Valid, 13080 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-12-02 07:24:42,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25897 states. [2024-12-02 07:24:43,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25897 to 10940. [2024-12-02 07:24:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10940 states, 10939 states have (on average 1.1418776853460098) internal successors, (12491), 10939 states have internal predecessors, (12491), 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 07:24:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10940 states to 10940 states and 12491 transitions. [2024-12-02 07:24:43,166 INFO L78 Accepts]: Start accepts. Automaton has 10940 states and 12491 transitions. Word has length 151 [2024-12-02 07:24:43,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:43,167 INFO L471 AbstractCegarLoop]: Abstraction has 10940 states and 12491 transitions. [2024-12-02 07:24:43,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.260869565217392) internal successors, (432), 68 states have internal predecessors, (432), 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 07:24:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 10940 states and 12491 transitions. [2024-12-02 07:24:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 07:24:43,177 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:43,177 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:43,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-02 07:24:43,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-12-02 07:24:43,379 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:24:43,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:43,383 INFO L85 PathProgramCache]: Analyzing trace with hash 528742036, now seen corresponding path program 1 times [2024-12-02 07:24:43,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:43,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304911713] [2024-12-02 07:24:43,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:43,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 28 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:24:45,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:45,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304911713] [2024-12-02 07:24:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304911713] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:24:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882183142] [2024-12-02 07:24:45,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:45,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:24:45,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:24:45,222 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:24:45,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-02 07:24:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:45,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 07:24:45,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 31 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:24:48,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:24:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 25 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:24:50,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882183142] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:24:50,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:24:50,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 19] total 54 [2024-12-02 07:24:50,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842837755] [2024-12-02 07:24:50,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:24:50,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-12-02 07:24:50,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:50,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-12-02 07:24:50,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2677, Unknown=0, NotChecked=0, Total=2862 [2024-12-02 07:24:50,778 INFO L87 Difference]: Start difference. First operand 10940 states and 12491 transitions. Second operand has 54 states, 54 states have (on average 7.833333333333333) internal successors, (423), 54 states have internal predecessors, (423), 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 07:24:57,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:57,946 INFO L93 Difference]: Finished difference Result 23953 states and 27441 transitions. [2024-12-02 07:24:57,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-12-02 07:24:57,947 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 7.833333333333333) internal successors, (423), 54 states have internal predecessors, (423), 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) Word has length 152 [2024-12-02 07:24:57,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:57,983 INFO L225 Difference]: With dead ends: 23953 [2024-12-02 07:24:57,983 INFO L226 Difference]: Without dead ends: 16963 [2024-12-02 07:24:57,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5917 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=2007, Invalid=20045, Unknown=0, NotChecked=0, Total=22052 [2024-12-02 07:24:57,993 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 1264 mSDsluCounter, 5615 mSDsCounter, 0 mSdLazyCounter, 3408 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 5748 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 3408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:57,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 5748 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 3408 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 07:24:58,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16963 states. [2024-12-02 07:24:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16963 to 16922. [2024-12-02 07:24:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16922 states, 16921 states have (on average 1.1394716624312984) internal successors, (19281), 16921 states have internal predecessors, (19281), 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 07:24:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16922 states to 16922 states and 19281 transitions. [2024-12-02 07:24:58,209 INFO L78 Accepts]: Start accepts. Automaton has 16922 states and 19281 transitions. Word has length 152 [2024-12-02 07:24:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:58,210 INFO L471 AbstractCegarLoop]: Abstraction has 16922 states and 19281 transitions. [2024-12-02 07:24:58,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.833333333333333) internal successors, (423), 54 states have internal predecessors, (423), 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 07:24:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 16922 states and 19281 transitions. [2024-12-02 07:24:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 07:24:58,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:58,214 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:24:58,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-02 07:24:58,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:24:58,415 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:24:58,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:58,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1748577828, now seen corresponding path program 1 times [2024-12-02 07:24:58,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:58,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101907248] [2024-12-02 07:24:58,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:58,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 35 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:01,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101907248] [2024-12-02 07:25:01,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101907248] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131181161] [2024-12-02 07:25:01,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:01,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:01,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:25:01,575 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:25:01,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-02 07:25:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:01,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:25:01,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:03,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 35 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131181161] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:25:05,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:25:05,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 17, 16] total 60 [2024-12-02 07:25:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105516592] [2024-12-02 07:25:05,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:25:05,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-02 07:25:05,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:05,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-02 07:25:05,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=3312, Unknown=0, NotChecked=0, Total=3540 [2024-12-02 07:25:05,994 INFO L87 Difference]: Start difference. First operand 16922 states and 19281 transitions. Second operand has 60 states, 60 states have (on average 6.916666666666667) internal successors, (415), 60 states have internal predecessors, (415), 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 07:25:14,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:14,306 INFO L93 Difference]: Finished difference Result 22813 states and 26011 transitions. [2024-12-02 07:25:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-12-02 07:25:14,307 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 6.916666666666667) internal successors, (415), 60 states have internal predecessors, (415), 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) Word has length 152 [2024-12-02 07:25:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:14,329 INFO L225 Difference]: With dead ends: 22813 [2024-12-02 07:25:14,329 INFO L226 Difference]: Without dead ends: 16879 [2024-12-02 07:25:14,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3850 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=2166, Invalid=16194, Unknown=0, NotChecked=0, Total=18360 [2024-12-02 07:25:14,336 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 2123 mSDsluCounter, 8411 mSDsCounter, 0 mSdLazyCounter, 4512 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2123 SdHoareTripleChecker+Valid, 8644 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 4512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:14,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2123 Valid, 8644 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 4512 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 07:25:14,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16879 states. [2024-12-02 07:25:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16879 to 16518. [2024-12-02 07:25:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16518 states, 16517 states have (on average 1.1369498092874009) internal successors, (18779), 16517 states have internal predecessors, (18779), 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 07:25:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16518 states to 16518 states and 18779 transitions. [2024-12-02 07:25:14,530 INFO L78 Accepts]: Start accepts. Automaton has 16518 states and 18779 transitions. Word has length 152 [2024-12-02 07:25:14,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:14,531 INFO L471 AbstractCegarLoop]: Abstraction has 16518 states and 18779 transitions. [2024-12-02 07:25:14,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.916666666666667) internal successors, (415), 60 states have internal predecessors, (415), 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 07:25:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 16518 states and 18779 transitions. [2024-12-02 07:25:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 07:25:14,533 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:14,533 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:14,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-02 07:25:14,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:14,734 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:25:14,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:14,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1800024892, now seen corresponding path program 1 times [2024-12-02 07:25:14,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:14,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693865872] [2024-12-02 07:25:14,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:14,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 34 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:16,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:16,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693865872] [2024-12-02 07:25:16,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693865872] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:16,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652229792] [2024-12-02 07:25:16,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:16,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:25:16,302 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:25:16,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-02 07:25:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:16,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 07:25:16,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 18 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:18,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:21,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652229792] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:25:21,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:25:21,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 18] total 56 [2024-12-02 07:25:21,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738409761] [2024-12-02 07:25:21,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:25:21,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-12-02 07:25:21,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:21,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-12-02 07:25:21,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2896, Unknown=0, NotChecked=0, Total=3080 [2024-12-02 07:25:21,434 INFO L87 Difference]: Start difference. First operand 16518 states and 18779 transitions. Second operand has 56 states, 56 states have (on average 7.767857142857143) internal successors, (435), 56 states have internal predecessors, (435), 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 07:25:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:29,090 INFO L93 Difference]: Finished difference Result 25309 states and 28892 transitions. [2024-12-02 07:25:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-12-02 07:25:29,091 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 7.767857142857143) internal successors, (435), 56 states have internal predecessors, (435), 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) Word has length 152 [2024-12-02 07:25:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:29,110 INFO L225 Difference]: With dead ends: 25309 [2024-12-02 07:25:29,110 INFO L226 Difference]: Without dead ends: 16323 [2024-12-02 07:25:29,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4792 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1798, Invalid=19082, Unknown=0, NotChecked=0, Total=20880 [2024-12-02 07:25:29,118 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 1162 mSDsluCounter, 10049 mSDsCounter, 0 mSdLazyCounter, 5299 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 10346 SdHoareTripleChecker+Invalid, 5332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 5299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:29,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 10346 Invalid, 5332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 5299 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 07:25:29,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16323 states. [2024-12-02 07:25:29,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16323 to 13482. [2024-12-02 07:25:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13482 states, 13481 states have (on average 1.1308508270899784) internal successors, (15245), 13481 states have internal predecessors, (15245), 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 07:25:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13482 states to 13482 states and 15245 transitions. [2024-12-02 07:25:29,250 INFO L78 Accepts]: Start accepts. Automaton has 13482 states and 15245 transitions. Word has length 152 [2024-12-02 07:25:29,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:29,251 INFO L471 AbstractCegarLoop]: Abstraction has 13482 states and 15245 transitions. [2024-12-02 07:25:29,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.767857142857143) internal successors, (435), 56 states have internal predecessors, (435), 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 07:25:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13482 states and 15245 transitions. [2024-12-02 07:25:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 07:25:29,253 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:29,253 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:29,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-02 07:25:29,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:29,454 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:25:29,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:29,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1290124112, now seen corresponding path program 1 times [2024-12-02 07:25:29,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:29,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820548251] [2024-12-02 07:25:29,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:29,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 07:25:30,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:30,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820548251] [2024-12-02 07:25:30,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820548251] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:30,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754929607] [2024-12-02 07:25:30,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:30,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:30,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:25:30,676 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:25:30,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-02 07:25:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:30,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 07:25:30,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 07:25:33,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-02 07:25:35,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754929607] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:25:35,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:25:35,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 19] total 55 [2024-12-02 07:25:35,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410600120] [2024-12-02 07:25:35,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:25:35,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-02 07:25:35,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:35,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-02 07:25:35,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=2697, Unknown=0, NotChecked=0, Total=2970 [2024-12-02 07:25:35,967 INFO L87 Difference]: Start difference. First operand 13482 states and 15245 transitions. Second operand has 55 states, 55 states have (on average 5.654545454545454) internal successors, (311), 55 states have internal predecessors, (311), 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 07:25:47,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:47,456 INFO L93 Difference]: Finished difference Result 16571 states and 18730 transitions. [2024-12-02 07:25:47,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-02 07:25:47,457 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 5.654545454545454) internal successors, (311), 55 states have internal predecessors, (311), 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) Word has length 152 [2024-12-02 07:25:47,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:47,468 INFO L225 Difference]: With dead ends: 16571 [2024-12-02 07:25:47,469 INFO L226 Difference]: Without dead ends: 14960 [2024-12-02 07:25:47,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6243 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=3660, Invalid=18096, Unknown=0, NotChecked=0, Total=21756 [2024-12-02 07:25:47,473 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 2003 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 3660 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 3361 SdHoareTripleChecker+Invalid, 3750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:47,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 3361 Invalid, 3750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 3660 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 07:25:47,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14960 states. [2024-12-02 07:25:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14960 to 13434. [2024-12-02 07:25:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13434 states, 13433 states have (on average 1.1311695079282365) internal successors, (15195), 13433 states have internal predecessors, (15195), 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 07:25:47,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13434 states to 13434 states and 15195 transitions. [2024-12-02 07:25:47,579 INFO L78 Accepts]: Start accepts. Automaton has 13434 states and 15195 transitions. Word has length 152 [2024-12-02 07:25:47,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:47,580 INFO L471 AbstractCegarLoop]: Abstraction has 13434 states and 15195 transitions. [2024-12-02 07:25:47,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 5.654545454545454) internal successors, (311), 55 states have internal predecessors, (311), 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 07:25:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 13434 states and 15195 transitions. [2024-12-02 07:25:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 07:25:47,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:47,581 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:25:47,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-02 07:25:47,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:47,782 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:25:47,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:47,783 INFO L85 PathProgramCache]: Analyzing trace with hash -102459711, now seen corresponding path program 1 times [2024-12-02 07:25:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:25:47,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030958619] [2024-12-02 07:25:47,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:47,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:25:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 22 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:49,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:25:49,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030958619] [2024-12-02 07:25:49,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030958619] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:25:49,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60027842] [2024-12-02 07:25:49,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:25:49,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:25:49,018 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:25:49,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-02 07:25:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:49,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-02 07:25:49,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 22 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:52,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:25:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 22 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:25:56,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60027842] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:25:56,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:25:56,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 28, 23] total 65 [2024-12-02 07:25:56,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968318018] [2024-12-02 07:25:56,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:25:56,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-12-02 07:25:56,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:25:56,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-12-02 07:25:56,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=3852, Unknown=0, NotChecked=0, Total=4160 [2024-12-02 07:25:56,117 INFO L87 Difference]: Start difference. First operand 13434 states and 15195 transitions. Second operand has 65 states, 65 states have (on average 6.2615384615384615) internal successors, (407), 65 states have internal predecessors, (407), 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 07:26:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:26:51,236 INFO L93 Difference]: Finished difference Result 23017 states and 25924 transitions. [2024-12-02 07:26:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2024-12-02 07:26:51,237 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 6.2615384615384615) internal successors, (407), 65 states have internal predecessors, (407), 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) Word has length 153 [2024-12-02 07:26:51,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:26:51,248 INFO L225 Difference]: With dead ends: 23017 [2024-12-02 07:26:51,248 INFO L226 Difference]: Without dead ends: 19936 [2024-12-02 07:26:51,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 269 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26105 ImplicationChecksByTransitivity, 52.4s TimeCoverageRelationStatistics Valid=8860, Invalid=64310, Unknown=0, NotChecked=0, Total=73170 [2024-12-02 07:26:51,255 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 5992 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 6178 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5992 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 6390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 6178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:26:51,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5992 Valid, 6095 Invalid, 6390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 6178 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:26:51,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19936 states. [2024-12-02 07:26:51,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19936 to 15832. [2024-12-02 07:26:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15832 states, 15831 states have (on average 1.1286084265049585) internal successors, (17867), 15831 states have internal predecessors, (17867), 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 07:26:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15832 states to 15832 states and 17867 transitions. [2024-12-02 07:26:51,394 INFO L78 Accepts]: Start accepts. Automaton has 15832 states and 17867 transitions. Word has length 153 [2024-12-02 07:26:51,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:26:51,394 INFO L471 AbstractCegarLoop]: Abstraction has 15832 states and 17867 transitions. [2024-12-02 07:26:51,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.2615384615384615) internal successors, (407), 65 states have internal predecessors, (407), 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 07:26:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 15832 states and 17867 transitions. [2024-12-02 07:26:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 07:26:51,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:26:51,396 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:26:51,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-02 07:26:51,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:26:51,596 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:26:51,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:26:51,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1541728275, now seen corresponding path program 1 times [2024-12-02 07:26:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:26:51,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495137340] [2024-12-02 07:26:51,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:26:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 74 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 07:26:51,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:26:51,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495137340] [2024-12-02 07:26:51,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495137340] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:26:51,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810752766] [2024-12-02 07:26:51,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:51,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:26:51,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:26:51,806 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:26:51,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-02 07:26:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:52,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 07:26:52,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:26:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 74 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 07:26:52,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:26:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 07:26:52,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810752766] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:26:52,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:26:52,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 9] total 15 [2024-12-02 07:26:52,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643087232] [2024-12-02 07:26:52,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:26:52,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 07:26:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:26:52,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 07:26:52,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:26:52,982 INFO L87 Difference]: Start difference. First operand 15832 states and 17867 transitions. Second operand has 15 states, 15 states have (on average 22.133333333333333) internal successors, (332), 15 states have internal predecessors, (332), 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 07:26:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:26:53,217 INFO L93 Difference]: Finished difference Result 34561 states and 39891 transitions. [2024-12-02 07:26:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:26:53,218 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 22.133333333333333) internal successors, (332), 15 states have internal predecessors, (332), 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) Word has length 153 [2024-12-02 07:26:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:26:53,230 INFO L225 Difference]: With dead ends: 34561 [2024-12-02 07:26:53,230 INFO L226 Difference]: Without dead ends: 19475 [2024-12-02 07:26:53,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-12-02 07:26:53,236 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 324 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:26:53,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 953 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:26:53,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19475 states. [2024-12-02 07:26:53,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19475 to 18083. [2024-12-02 07:26:53,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18083 states, 18082 states have (on average 1.1455591195664196) internal successors, (20714), 18082 states have internal predecessors, (20714), 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 07:26:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18083 states to 18083 states and 20714 transitions. [2024-12-02 07:26:53,368 INFO L78 Accepts]: Start accepts. Automaton has 18083 states and 20714 transitions. Word has length 153 [2024-12-02 07:26:53,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:26:53,368 INFO L471 AbstractCegarLoop]: Abstraction has 18083 states and 20714 transitions. [2024-12-02 07:26:53,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 22.133333333333333) internal successors, (332), 15 states have internal predecessors, (332), 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 07:26:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 18083 states and 20714 transitions. [2024-12-02 07:26:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 07:26:53,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:26:53,369 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:26:53,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-02 07:26:53,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:26:53,570 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:26:53,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:26:53,570 INFO L85 PathProgramCache]: Analyzing trace with hash -674560147, now seen corresponding path program 1 times [2024-12-02 07:26:53,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:26:53,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352180627] [2024-12-02 07:26:53,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:53,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:26:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 31 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:26:54,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:26:54,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352180627] [2024-12-02 07:26:54,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352180627] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:26:54,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000820920] [2024-12-02 07:26:54,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:26:54,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:26:54,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:26:54,595 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:26:54,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-12-02 07:26:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:26:54,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 07:26:54,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:26:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 31 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:26:56,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:26:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 31 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:26:58,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000820920] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:26:58,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:26:58,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 18] total 55 [2024-12-02 07:26:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324392808] [2024-12-02 07:26:58,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:26:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-02 07:26:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:26:58,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-02 07:26:58,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=2670, Unknown=0, NotChecked=0, Total=2970 [2024-12-02 07:26:58,528 INFO L87 Difference]: Start difference. First operand 18083 states and 20714 transitions. Second operand has 55 states, 55 states have (on average 7.2) internal successors, (396), 55 states have internal predecessors, (396), 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 07:27:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:27:01,387 INFO L93 Difference]: Finished difference Result 21978 states and 25205 transitions. [2024-12-02 07:27:01,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-02 07:27:01,388 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 7.2) internal successors, (396), 55 states have internal predecessors, (396), 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) Word has length 153 [2024-12-02 07:27:01,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:27:01,401 INFO L225 Difference]: With dead ends: 21978 [2024-12-02 07:27:01,402 INFO L226 Difference]: Without dead ends: 20260 [2024-12-02 07:27:01,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1658 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=899, Invalid=6757, Unknown=0, NotChecked=0, Total=7656 [2024-12-02 07:27:01,406 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 796 mSDsluCounter, 5382 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:27:01,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 5558 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2594 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 07:27:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20260 states. [2024-12-02 07:27:01,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20260 to 18501. [2024-12-02 07:27:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18501 states, 18500 states have (on average 1.145081081081081) internal successors, (21184), 18500 states have internal predecessors, (21184), 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 07:27:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18501 states to 18501 states and 21184 transitions. [2024-12-02 07:27:01,541 INFO L78 Accepts]: Start accepts. Automaton has 18501 states and 21184 transitions. Word has length 153 [2024-12-02 07:27:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:27:01,541 INFO L471 AbstractCegarLoop]: Abstraction has 18501 states and 21184 transitions. [2024-12-02 07:27:01,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 7.2) internal successors, (396), 55 states have internal predecessors, (396), 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 07:27:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 18501 states and 21184 transitions. [2024-12-02 07:27:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 07:27:01,543 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:27:01,543 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:01,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-12-02 07:27:01,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:27:01,744 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-12-02 07:27:01,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:27:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1428077319, now seen corresponding path program 1 times [2024-12-02 07:27:01,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:27:01,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810124214] [2024-12-02 07:27:01,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:27:01,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:27:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:27:01,787 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:27:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:27:01,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:27:01,917 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:27:01,918 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-12-02 07:27:01,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-12-02 07:27:01,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-12-02 07:27:01,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-12-02 07:27:01,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-12-02 07:27:01,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-12-02 07:27:01,923 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-12-02 07:27:01,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-12-02 07:27:01,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:27:02,130 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:27:02,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:27:02 BoogieIcfgContainer [2024-12-02 07:27:02,137 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:27:02,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:27:02,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:27:02,139 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:27:02,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:30" (3/4) ... [2024-12-02 07:27:02,142 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 07:27:02,418 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 107. [2024-12-02 07:27:02,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:27:02,521 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:27:02,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:27:02,522 INFO L158 Benchmark]: Toolchain (without parser) took 753955.33ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 116.3MB in the beginning and 353.3MB in the end (delta: -237.0MB). Peak memory consumption was 396.2MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,522 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:27:02,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.79ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 88.2MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.83ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 82.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,523 INFO L158 Benchmark]: Boogie Preprocessor took 80.29ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 76.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,524 INFO L158 Benchmark]: RCFGBuilder took 1235.59ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 57.6MB in the end (delta: 19.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,524 INFO L158 Benchmark]: TraceAbstraction took 751639.90ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 57.0MB in the beginning and 143.7MB in the end (delta: -86.7MB). Peak memory consumption was 274.4MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,524 INFO L158 Benchmark]: Witness Printer took 383.06ms. Allocated memory is still 503.3MB. Free memory was 143.7MB in the beginning and 353.3MB in the end (delta: -209.6MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-12-02 07:27:02,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.79ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 88.2MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.83ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 82.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.29ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 76.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1235.59ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 57.6MB in the end (delta: 19.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 751639.90ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 57.0MB in the beginning and 143.7MB in the end (delta: -86.7MB). Peak memory consumption was 274.4MB. Max. memory is 16.1GB. * Witness Printer took 383.06ms. Allocated memory is still 503.3MB. Free memory was 143.7MB in the beginning and 353.3MB in the end (delta: -209.6MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * 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 - CounterExampleResult [Line: 315]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L10] int __return_main; [L26] msg_t nomsg = (msg_t )-1; [L27] unsigned char r1 = '\x0'; [L28] port_t p1 = 0; [L29] char p1_old = '\x0'; [L30] char p1_new = '\x0'; [L31] char id1 = '\x0'; [L32] char st1 = '\x0'; [L33] msg_t send1 = '\x0'; [L34] _Bool mode1 = 0; [L35] port_t p2 = 0; [L36] char p2_old = '\x0'; [L37] char p2_new = '\x0'; [L38] char id2 = '\x0'; [L39] char st2 = '\x0'; [L40] msg_t send2 = '\x0'; [L41] _Bool mode2 = 0; [L42] port_t p3 = 0; [L43] char p3_old = '\x0'; [L44] char p3_new = '\x0'; [L45] char id3 = '\x0'; [L46] char st3 = '\x0'; [L47] msg_t send3 = '\x0'; [L48] _Bool mode3 = 0; [L52] void (*nodes[3])() = { &node1, &node2, &node3 }; [L56] int __return_95; [L57] int __return_413; [L58] int __return_1146; [L59] int __return_399; [L60] int __return_1035; [L61] int __return_385; [L62] int __return_942; [L63] int __return_371; [L64] int __return_848; [L65] int __return_357; [L66] int __return_766; [L67] int __return_343; [L68] int __return_672; [L69] int __return_329; [L70] int __return_593; [L71] int __return_315; [L72] int __return_513; [L73] int __return_1296; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=0, id2=0, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=0, send2=0, send3=0, st1=0, st2=0, st3=0] [L76] int main__c1; [L77] int main__i2; [L78] main__c1 = 0 [L79] r1 = __VERIFIER_nondet_uchar() [L80] id1 = __VERIFIER_nondet_char() [L81] st1 = __VERIFIER_nondet_char() [L82] send1 = __VERIFIER_nondet_char() [L83] mode1 = __VERIFIER_nondet_bool() [L84] id2 = __VERIFIER_nondet_char() [L85] st2 = __VERIFIER_nondet_char() [L86] send2 = __VERIFIER_nondet_char() [L87] mode2 = __VERIFIER_nondet_bool() [L88] id3 = __VERIFIER_nondet_char() [L89] st3 = __VERIFIER_nondet_char() [L90] send3 = __VERIFIER_nondet_char() [L91] mode3 = __VERIFIER_nondet_bool() [L93] int init__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L94] COND TRUE ((int)r1) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L96] COND TRUE ((int)id1) >= 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L98] COND TRUE ((int)st1) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L100] COND TRUE ((int)send1) == ((int)id1) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L102] COND TRUE ((int)mode1) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L104] COND TRUE ((int)id2) >= 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L106] COND TRUE ((int)st2) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L108] COND TRUE ((int)send2) == ((int)id2) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L110] COND TRUE ((int)mode2) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L112] COND TRUE ((int)id3) >= 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L114] COND TRUE ((int)st3) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L116] COND TRUE ((int)send3) == ((int)id3) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L118] COND TRUE ((int)mode3) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L120] COND TRUE ((int)id1) != ((int)id2) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L122] COND TRUE ((int)id1) != ((int)id3) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=0, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L124] COND TRUE ((int)id2) != ((int)id3) [L126] init__tmp = 1 [L127] __return_95 = init__tmp [L128] main__i2 = __return_95 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, main__i2=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=0, p2=0, p2_new=0, p2_old=0, p3=0, p3_new=0, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L129] COND TRUE main__i2 != 0 [L131] p1_old = nomsg [L132] p1_new = nomsg [L133] p2_old = nomsg [L134] p2_new = nomsg [L135] p3_old = nomsg [L136] p3_new = nomsg [L137] main__i2 = 0 [L139] msg_t node1__m1; [L140] node1__m1 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L141] COND FALSE !(!(mode1 == 0)) [L147] int node1____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L148] COND TRUE send1 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L150] COND TRUE p1_new == nomsg [L152] node1____CPAchecker_TMP_0 = send1 [L153] p1_new = node1____CPAchecker_TMP_0 [L154] mode1 = 1 [L156] msg_t node2__m2; [L157] node2__m2 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=127, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L158] COND FALSE !(!(mode2 == 0)) [L164] int node2____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=127, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L165] COND TRUE send2 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=127, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L167] COND TRUE p2_new == nomsg [L169] node2____CPAchecker_TMP_0 = send2 [L170] p2_new = node2____CPAchecker_TMP_0 [L171] mode2 = 1 [L173] msg_t node3__m3; [L174] node3__m3 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=127, p1_old=-1, p2=0, p2_new=126, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L175] COND FALSE !(!(mode3 == 0)) [L181] int node3____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=127, p1_old=-1, p2=0, p2_new=126, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L182] COND TRUE send3 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=127, p1_old=-1, p2=0, p2_new=126, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L184] COND TRUE p3_new == nomsg [L186] node3____CPAchecker_TMP_0 = send3 [L187] p3_new = node3____CPAchecker_TMP_0 [L188] mode3 = 1 [L189] p1_old = p1_new [L190] p1_new = nomsg [L191] p2_old = p2_new [L192] p2_new = nomsg [L193] p3_old = p3_new [L194] p3_new = nomsg [L196] int check__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L197] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L199] COND FALSE !(((int)r1) >= 3) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L205] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=0, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L207] COND TRUE ((int)r1) < 3 [L209] check__tmp = 1 [L210] __return_413 = check__tmp [L211] main__c1 = __return_413 [L213] _Bool __tmp_1; [L214] __tmp_1 = main__c1 [L215] _Bool assert__arg; [L216] assert__arg = __tmp_1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, assert__arg=1, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L217] COND FALSE !(assert__arg == 0) [L224] msg_t node1__m1; [L225] node1__m1 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L226] COND TRUE !(mode1 == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=0, r1=0, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L228] COND FALSE !(r1 == 255) [L234] r1 = r1 + 1 [L235] node1__m1 = p3_old [L236] p3_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=0, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L237] COND TRUE ((int)node1__m1) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=0, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L239] COND FALSE !(((int)node1__m1) > ((int)id1)) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=0, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=126, send3=0, st1=0, st2=0, st3=0] [L246] COND FALSE !(((int)node1__m1) == ((int)id1)) [L370] send1 = node1__m1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=126, send3=0, st1=0, st2=0, st3=0] [L372] mode1 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=126, send3=0, st1=0, st2=0, st3=0] [L477] msg_t node2__m2; [L478] node2__m2 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=126, send3=0, st1=0, st2=0, st3=0] [L479] COND TRUE !(mode2 == 0) [L481] node2__m2 = p1_old [L482] p1_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=127, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=126, send3=0, st1=0, st2=0, st3=0] [L483] COND TRUE ((int)node2__m2) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=127, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=126, send3=0, st1=0, st2=0, st3=0] [L485] COND TRUE ((int)node2__m2) > ((int)id2) [L487] send2 = node2__m2 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=0, st1=0, st2=0, st3=0] [L575] mode2 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=0, st1=0, st2=0, st3=0] [L1390] msg_t node3__m3; [L1391] node3__m3 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=0, st1=0, st2=0, st3=0] [L1392] COND TRUE !(mode3 == 0) [L1394] node3__m3 = p2_old [L1395] p2_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, node3__m3=126, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=0, st1=0, st2=0, st3=0] [L1396] COND TRUE ((int)node3__m3) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, node3__m3=126, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=0, st1=0, st2=0, st3=0] [L1398] COND TRUE ((int)node3__m3) > ((int)id3) [L1400] send3 = node3__m3 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1461] mode3 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1835] p1_old = p1_new [L1836] p1_new = nomsg [L1837] p2_old = p2_new [L1838] p2_new = nomsg [L1839] p3_old = p3_new [L1840] p3_new = nomsg [L1842] int check__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1843] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1845] COND FALSE !(((int)r1) >= 3) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1851] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=0, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1853] COND TRUE ((int)r1) < 3 [L1855] check__tmp = 1 [L1856] __return_513 = check__tmp [L1857] main__c1 = __return_513 [L1859] _Bool __tmp_16; [L1860] __tmp_16 = main__c1 [L1861] _Bool assert__arg; [L1862] assert__arg = __tmp_16 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, assert__arg=1, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1863] COND FALSE !(assert__arg == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1871] msg_t node1__m1; [L1872] node1__m1 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1873] COND FALSE !(!(mode1 == 0)) [L2093] int node1____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2094] COND TRUE send1 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2096] COND TRUE p1_new == nomsg [L2098] node1____CPAchecker_TMP_0 = send1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, node1____CPAchecker_TMP_0=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2111] p1_new = node1____CPAchecker_TMP_0 [L2112] mode1 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1913] msg_t node2__m2; [L1914] node2__m2 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1915] COND FALSE !(!(mode2 == 0)) [L2064] int node2____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2065] COND TRUE send2 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2067] COND TRUE p2_new == nomsg [L2069] node2____CPAchecker_TMP_0 = send2 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, node2____CPAchecker_TMP_0=127, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2082] p2_new = node2____CPAchecker_TMP_0 [L2083] mode2 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1945] msg_t node3__m3; [L1946] node3__m3 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1947] COND FALSE !(!(mode3 == 0)) [L2036] int node3____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2037] COND TRUE send3 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2039] COND TRUE p3_new == nomsg [L2041] node3____CPAchecker_TMP_0 = send3 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, node3____CPAchecker_TMP_0=126, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2054] p3_new = node3____CPAchecker_TMP_0 [L2055] mode3 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=0, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=126, p3_old=-1, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1976] p1_old = p1_new [L1977] p1_new = nomsg [L1978] p2_old = p2_new [L1979] p2_new = nomsg [L1980] p3_old = p3_new [L1981] p3_new = nomsg [L1983] int check__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1984] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1986] COND FALSE !(((int)r1) >= 3) VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1992] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1995] COND TRUE ((int)r1) < 3 [L1997] check__tmp = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, check__tmp=1, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L2027] __return_1296 = check__tmp [L2028] main__c1 = __return_1296 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, main__c1=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L309] _Bool __tmp_2; [L310] __tmp_2 = main__c1 [L311] _Bool assert__arg; [L312] assert__arg = __tmp_2 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, assert__arg=1, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L313] COND FALSE !(assert__arg == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1871] msg_t node1__m1; [L1872] node1__m1 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1873] COND TRUE !(mode1 == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1875] COND FALSE !(r1 == 255) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1883] r1 = r1 + 1 [L1884] node1__m1 = p3_old [L1885] p3_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=126, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1886] COND TRUE ((int)node1__m1) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=126, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1888] COND FALSE !(((int)node1__m1) > ((int)id1)) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=126, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=0, send2=127, send3=126, st1=0, st2=0, st3=0] [L1895] COND FALSE !(((int)node1__m1) == ((int)id1)) [L1902] send1 = node1__m1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1910] mode1 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1913] msg_t node2__m2; [L1914] node2__m2 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=0, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1915] COND TRUE !(mode2 == 0) [L1917] node2__m2 = p1_old [L1918] p1_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1919] COND TRUE ((int)node2__m2) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1921] COND FALSE !(((int)node2__m2) > ((int)id2)) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1928] COND FALSE !(((int)node2__m2) == ((int)id2)) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1942] mode2 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1945] msg_t node3__m3; [L1946] node3__m3 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1947] COND TRUE !(mode3 == 0) [L1949] node3__m3 = p2_old [L1950] p2_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, node3__m3=127, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1951] COND TRUE ((int)node3__m3) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, node3__m3=127, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=126, st1=0, st2=0, st3=0] [L1953] COND TRUE ((int)node3__m3) > ((int)id3) [L1955] send3 = node3__m3 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1974] mode3 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1976] p1_old = p1_new [L1977] p1_new = nomsg [L1978] p2_old = p2_new [L1979] p2_new = nomsg [L1980] p3_old = p3_new [L1981] p3_new = nomsg [L1983] int check__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1984] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1986] COND FALSE !(((int)r1) >= 3) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1992] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1995] COND TRUE ((int)r1) < 3 [L1997] check__tmp = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, check__tmp=1, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2027] __return_1296 = check__tmp [L2028] main__c1 = __return_1296 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, main__c1=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L309] _Bool __tmp_2; [L310] __tmp_2 = main__c1 [L311] _Bool assert__arg; [L312] assert__arg = __tmp_2 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, assert__arg=1, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L313] COND FALSE !(assert__arg == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1871] msg_t node1__m1; [L1872] node1__m1 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1873] COND FALSE !(!(mode1 == 0)) [L2093] int node1____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2094] COND TRUE send1 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2096] COND TRUE p1_new == nomsg [L2098] node1____CPAchecker_TMP_0 = send1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, node1____CPAchecker_TMP_0=126, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2111] p1_new = node1____CPAchecker_TMP_0 [L2112] mode1 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1913] msg_t node2__m2; [L1914] node2__m2 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1915] COND FALSE !(!(mode2 == 0)) [L2064] int node2____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2065] COND TRUE send2 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2067] COND TRUE p2_new == nomsg [L2069] node2____CPAchecker_TMP_0 = send2 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=0, mode3=0, node2____CPAchecker_TMP_0=127, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2082] p2_new = node2____CPAchecker_TMP_0 [L2083] mode2 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1945] msg_t node3__m3; [L1946] node3__m3 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1947] COND FALSE !(!(mode3 == 0)) [L2036] int node3____CPAchecker_TMP_0; VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2037] COND TRUE send3 != nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2039] COND TRUE p3_new == nomsg [L2041] node3____CPAchecker_TMP_0 = send3 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=0, node3____CPAchecker_TMP_0=127, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2054] p3_new = node3____CPAchecker_TMP_0 [L2055] mode3 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=126, p1_old=-1, p2=0, p2_new=127, p2_old=-1, p3=0, p3_new=127, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1976] p1_old = p1_new [L1977] p1_new = nomsg [L1978] p2_old = p2_new [L1979] p2_new = nomsg [L1980] p3_old = p3_new [L1981] p3_new = nomsg [L1983] int check__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1984] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1986] COND FALSE !(((int)r1) >= 3) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1992] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1995] COND TRUE ((int)r1) < 3 [L1997] check__tmp = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, check__tmp=1, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L2027] __return_1296 = check__tmp [L2028] main__c1 = __return_1296 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, main__c1=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L309] _Bool __tmp_2; [L310] __tmp_2 = main__c1 [L311] _Bool assert__arg; [L312] assert__arg = __tmp_2 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, assert__arg=1, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L313] COND FALSE !(assert__arg == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1871] msg_t node1__m1; [L1872] node1__m1 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1873] COND TRUE !(mode1 == 0) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1875] COND FALSE !(r1 == 255) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1883] r1 = r1 + 1 [L1884] node1__m1 = p3_old [L1885] p3_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=127, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1886] COND TRUE ((int)node1__m1) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=127, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1888] COND FALSE !(((int)node1__m1) > ((int)id1)) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, node1__m1=127, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L1895] COND TRUE ((int)node1__m1) == ((int)id1) [L1897] st1 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=0, st3=0] [L1910] mode1 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=0, st3=0] [L1913] msg_t node2__m2; [L1914] node2__m2 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=0, st3=0] [L1915] COND TRUE !(mode2 == 0) [L1917] node2__m2 = p1_old [L1918] p1_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=126, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=0, st3=0] [L1919] COND TRUE ((int)node2__m2) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=126, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=0, st3=0] [L1921] COND FALSE !(((int)node2__m2) > ((int)id2)) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, node2__m2=126, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=0, st3=0] [L1928] COND TRUE ((int)node2__m2) == ((int)id2) [L1930] st2 = 1 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1942] mode2 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1945] msg_t node3__m3; [L1946] node3__m3 = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1947] COND TRUE !(mode3 == 0) [L1949] node3__m3 = p2_old [L1950] p2_old = nomsg VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, node3__m3=127, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1951] COND TRUE ((int)node3__m3) != ((int)nomsg) VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, node3__m3=127, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1953] COND TRUE ((int)node3__m3) > ((int)id3) [L1955] send3 = node3__m3 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1974] mode3 = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1976] p1_old = p1_new [L1977] p1_new = nomsg [L1978] p2_old = p2_new [L1979] p2_new = nomsg [L1980] p3_old = p3_new [L1981] p3_new = nomsg [L1983] int check__tmp; VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L1984] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L2025] check__tmp = 0 VAL [__return_1035=0, __return_1146=0, __return_1296=1, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, check__tmp=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L2027] __return_1296 = check__tmp [L2028] main__c1 = __return_1296 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, main__c1=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L309] _Bool __tmp_2; [L310] __tmp_2 = main__c1 [L311] _Bool assert__arg; [L312] assert__arg = __tmp_2 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, assert__arg=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L313] COND TRUE assert__arg == 0 VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L315] reach_error() VAL [__return_1035=0, __return_1146=0, __return_1296=0, __return_315=0, __return_329=0, __return_343=0, __return_357=0, __return_371=0, __return_385=0, __return_399=0, __return_413=1, __return_513=1, __return_593=0, __return_672=0, __return_766=0, __return_848=0, __return_942=0, __return_95=1, __return_main=0, id1=127, id2=126, id3=0, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] - UnprovableResult [Line: 540]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 984]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1226]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1441]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1666]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 266 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 751.4s, OverallIterations: 62, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 589.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76825 SdHoareTripleChecker+Valid, 80.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76825 mSDsluCounter, 140394 SdHoareTripleChecker+Invalid, 70.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130974 mSDsCounter, 2109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112846 IncrementalHoareTripleChecker+Invalid, 114955 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2109 mSolverCounterUnsat, 9420 mSDtfsCounter, 112846 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10019 GetRequests, 5648 SyntacticMatches, 12 SemanticMatches, 4359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384379 ImplicationChecksByTransitivity, 535.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129069occurred in iteration=46, InterpolantAutomatonStates: 3364, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 23.7s AutomataMinimizationTime, 61 MinimizatonAttempts, 829883 StatesRemovedByMinimization, 54 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 125.3s InterpolantComputationTime, 9133 NumberOfCodeBlocks, 9133 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 11997 ConstructedInterpolants, 111 QuantifiedInterpolants, 181826 SizeOfPredicates, 149 NumberOfNonLiveVariables, 13247 ConjunctsInSsa, 789 ConjunctsInUnsatCore, 111 InterpolantComputations, 36 PerfectInterpolantSequences, 1986/4152 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 RESULT: Ultimate proved your program to be incorrect! [2024-12-02 07:27:02,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36bbe2f-1ab6-46e2-9027-4cb9336cc8eb/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE