./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52ea16d32fee186339e754b295bffdbf40567dcb9eb1871e1f81ccc6c9f03c9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:23:22,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:23:22,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:23:22,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:23:22,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:23:22,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:23:22,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:23:22,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:23:22,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:23:22,189 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:23:22,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:23:22,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:23:22,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:23:22,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:23:22,190 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:23:22,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:23:22,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:23:22,191 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:23:22,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:23:22,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:23:22,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:23:22,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:23:22,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:23:22,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:23:22,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:23:22,192 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:23:22,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:23:22,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:23:22,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:23:22,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:23:22,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:23:22,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:23:22,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:23:22,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:23:22,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:23:22,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:23:22,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:23:22,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:23:22,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:23:22,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:23:22,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:23:22,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:23:22,194 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ea16d32fee186339e754b295bffdbf40567dcb9eb1871e1f81ccc6c9f03c9b [2024-11-13 15:23:22,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:23:22,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:23:22,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:23:22,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:23:22,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:23:22,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-13 15:23:24,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:23:25,205 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:23:25,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-13 15:23:25,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/data/230b4128e/7dbe98cf3fcc4488a48632673fa76175/FLAGff7458d44 [2024-11-13 15:23:25,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/data/230b4128e/7dbe98cf3fcc4488a48632673fa76175 [2024-11-13 15:23:25,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:23:25,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:23:25,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:23:25,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:23:25,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:23:25,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:23:25" (1/1) ... [2024-11-13 15:23:25,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b531f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:25, skipping insertion in model container [2024-11-13 15:23:25,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:23:25" (1/1) ... [2024-11-13 15:23:25,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:23:25,837 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7184,7197] [2024-11-13 15:23:25,871 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11285,11298] [2024-11-13 15:23:25,924 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18315,18328] [2024-11-13 15:23:25,967 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24747,24760] [2024-11-13 15:23:26,097 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43722,43735] [2024-11-13 15:23:26,209 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71504,71517] [2024-11-13 15:23:26,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:23:26,553 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:23:26,603 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7184,7197] [2024-11-13 15:23:26,630 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11285,11298] [2024-11-13 15:23:26,665 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18315,18328] [2024-11-13 15:23:26,689 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24747,24760] [2024-11-13 15:23:26,750 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43722,43735] [2024-11-13 15:23:26,879 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_32dc1969-ed36-44b5-807f-50e6bb285ba9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71504,71517] [2024-11-13 15:23:27,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:23:27,074 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:23:27,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27 WrapperNode [2024-11-13 15:23:27,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:23:27,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:23:27,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:23:27,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:23:27,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,385 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6039 [2024-11-13 15:23:27,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:23:27,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:23:27,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:23:27,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:23:27,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,528 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:23:27,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:23:27,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:23:27,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:23:27,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:23:27,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (1/1) ... [2024-11-13 15:23:27,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:23:27,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:23:27,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:23:27,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:23:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:23:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:23:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:23:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:23:28,421 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:23:28,423 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:23:33,687 INFO L? ?]: Removed 1041 outVars from TransFormulas that were not future-live. [2024-11-13 15:23:33,688 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:23:33,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:23:33,745 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:23:33,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:23:33 BoogieIcfgContainer [2024-11-13 15:23:33,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:23:33,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:23:33,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:23:33,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:23:33,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:23:25" (1/3) ... [2024-11-13 15:23:33,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b5ad53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:23:33, skipping insertion in model container [2024-11-13 15:23:33,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:23:27" (2/3) ... [2024-11-13 15:23:33,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b5ad53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:23:33, skipping insertion in model container [2024-11-13 15:23:33,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:23:33" (3/3) ... [2024-11-13 15:23:33,762 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-13 15:23:33,785 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:23:33,790 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 1254 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-13 15:23:33,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:23:33,921 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;@10f759d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:23:33,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 15:23:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 1247 states have (on average 1.8043303929430634) internal successors, (2250), 1253 states have internal predecessors, (2250), 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) [2024-11-13 15:23:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 15:23:33,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:33,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:33,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:33,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1061871762, now seen corresponding path program 1 times [2024-11-13 15:23:33,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:33,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583131447] [2024-11-13 15:23:33,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:33,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:34,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:34,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583131447] [2024-11-13 15:23:34,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583131447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:34,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:34,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:23:34,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746529195] [2024-11-13 15:23:34,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:35,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:23:35,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:35,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:23:35,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:23:35,038 INFO L87 Difference]: Start difference. First operand has 1254 states, 1247 states have (on average 1.8043303929430634) internal successors, (2250), 1253 states have internal predecessors, (2250), 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 10.2) internal successors, (51), 4 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) [2024-11-13 15:23:37,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:37,889 INFO L93 Difference]: Finished difference Result 2467 states and 4323 transitions. [2024-11-13 15:23:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:23:37,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 [2024-11-13 15:23:37,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:37,930 INFO L225 Difference]: With dead ends: 2467 [2024-11-13 15:23:37,930 INFO L226 Difference]: Without dead ends: 1550 [2024-11-13 15:23:37,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:23:37,948 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 7057 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7057 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:37,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7057 Valid, 1491 Invalid, 1327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 15:23:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2024-11-13 15:23:38,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1544. [2024-11-13 15:23:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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) [2024-11-13 15:23:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2086 transitions. [2024-11-13 15:23:38,133 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2086 transitions. Word has length 51 [2024-11-13 15:23:38,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:38,133 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 2086 transitions. [2024-11-13 15:23:38,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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) [2024-11-13 15:23:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2086 transitions. [2024-11-13 15:23:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 15:23:38,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:38,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:38,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:23:38,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:38,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:38,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1625759521, now seen corresponding path program 1 times [2024-11-13 15:23:38,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915733721] [2024-11-13 15:23:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:38,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:38,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915733721] [2024-11-13 15:23:38,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915733721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:38,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:23:38,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309633582] [2024-11-13 15:23:38,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:38,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:23:38,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:38,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:23:38,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:23:38,614 INFO L87 Difference]: Start difference. First operand 1544 states and 2086 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-13 15:23:40,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:40,289 INFO L93 Difference]: Finished difference Result 3169 states and 4338 transitions. [2024-11-13 15:23:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:23:40,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2024-11-13 15:23:40,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:40,300 INFO L225 Difference]: With dead ends: 3169 [2024-11-13 15:23:40,300 INFO L226 Difference]: Without dead ends: 2189 [2024-11-13 15:23:40,302 INFO L431 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 [2024-11-13 15:23:40,303 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 5058 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5058 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:40,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5058 Valid, 1030 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 15:23:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2024-11-13 15:23:40,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2177. [2024-11-13 15:23:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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) [2024-11-13 15:23:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2986 transitions. [2024-11-13 15:23:40,428 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2986 transitions. Word has length 52 [2024-11-13 15:23:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:40,428 INFO L471 AbstractCegarLoop]: Abstraction has 2177 states and 2986 transitions. [2024-11-13 15:23:40,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-13 15:23:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2986 transitions. [2024-11-13 15:23:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 15:23:40,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:40,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:40,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:23:40,434 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:40,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash 299183278, now seen corresponding path program 1 times [2024-11-13 15:23:40,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:40,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025779942] [2024-11-13 15:23:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:40,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:40,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:40,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025779942] [2024-11-13 15:23:40,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025779942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:40,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:40,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:23:40,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952104948] [2024-11-13 15:23:40,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:40,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:23:40,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:40,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:23:40,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:23:40,699 INFO L87 Difference]: Start difference. First operand 2177 states and 2986 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-13 15:23:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:42,245 INFO L93 Difference]: Finished difference Result 4520 states and 6280 transitions. [2024-11-13 15:23:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:23:42,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2024-11-13 15:23:42,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:42,262 INFO L225 Difference]: With dead ends: 4520 [2024-11-13 15:23:42,263 INFO L226 Difference]: Without dead ends: 3045 [2024-11-13 15:23:42,267 INFO L431 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 [2024-11-13 15:23:42,271 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 4477 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:42,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 884 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:23:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2024-11-13 15:23:42,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 3035. [2024-11-13 15:23:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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) [2024-11-13 15:23:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4170 transitions. [2024-11-13 15:23:42,390 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4170 transitions. Word has length 52 [2024-11-13 15:23:42,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:42,390 INFO L471 AbstractCegarLoop]: Abstraction has 3035 states and 4170 transitions. [2024-11-13 15:23:42,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-13 15:23:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4170 transitions. [2024-11-13 15:23:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 15:23:42,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:42,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:42,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:23:42,398 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:42,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:42,399 INFO L85 PathProgramCache]: Analyzing trace with hash 448762372, now seen corresponding path program 1 times [2024-11-13 15:23:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:42,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355948232] [2024-11-13 15:23:42,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:43,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:43,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:43,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355948232] [2024-11-13 15:23:43,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355948232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:43,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:43,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:23:43,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111401808] [2024-11-13 15:23:43,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:43,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:23:43,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:43,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:23:43,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:23:43,054 INFO L87 Difference]: Start difference. First operand 3035 states and 4170 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 15:23:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:46,499 INFO L93 Difference]: Finished difference Result 5165 states and 7240 transitions. [2024-11-13 15:23:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:23:46,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 [2024-11-13 15:23:46,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:46,523 INFO L225 Difference]: With dead ends: 5165 [2024-11-13 15:23:46,523 INFO L226 Difference]: Without dead ends: 4608 [2024-11-13 15:23:46,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:23:46,526 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 5175 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5175 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:46,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5175 Valid, 2789 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 15:23:46,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4608 states. [2024-11-13 15:23:46,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4608 to 3035. [2024-11-13 15:23:46,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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) [2024-11-13 15:23:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4169 transitions. [2024-11-13 15:23:46,673 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4169 transitions. Word has length 53 [2024-11-13 15:23:46,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:46,674 INFO L471 AbstractCegarLoop]: Abstraction has 3035 states and 4169 transitions. [2024-11-13 15:23:46,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 15:23:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4169 transitions. [2024-11-13 15:23:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 15:23:46,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:46,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:46,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:23:46,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:46,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash 303472925, now seen corresponding path program 1 times [2024-11-13 15:23:46,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:46,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652355090] [2024-11-13 15:23:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:47,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:47,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652355090] [2024-11-13 15:23:47,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652355090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:47,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:47,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:23:47,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730136621] [2024-11-13 15:23:47,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:47,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:23:47,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:47,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:23:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:23:47,443 INFO L87 Difference]: Start difference. First operand 3035 states and 4169 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 15:23:50,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:50,314 INFO L93 Difference]: Finished difference Result 3783 states and 5166 transitions. [2024-11-13 15:23:50,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:23:50,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 [2024-11-13 15:23:50,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:50,330 INFO L225 Difference]: With dead ends: 3783 [2024-11-13 15:23:50,330 INFO L226 Difference]: Without dead ends: 3778 [2024-11-13 15:23:50,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:23:50,332 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 6187 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 2668 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6187 SdHoareTripleChecker+Valid, 2679 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:50,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6187 Valid, 2679 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2668 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 15:23:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2024-11-13 15:23:50,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 3035. [2024-11-13 15:23:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3760316936282602) internal successors, (4168), 3034 states have internal predecessors, (4168), 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) [2024-11-13 15:23:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4168 transitions. [2024-11-13 15:23:50,439 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4168 transitions. Word has length 53 [2024-11-13 15:23:50,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:50,439 INFO L471 AbstractCegarLoop]: Abstraction has 3035 states and 4168 transitions. [2024-11-13 15:23:50,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 15:23:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4168 transitions. [2024-11-13 15:23:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 15:23:50,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:50,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:50,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:23:50,444 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:50,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1162103691, now seen corresponding path program 1 times [2024-11-13 15:23:50,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:50,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250950956] [2024-11-13 15:23:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:50,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250950956] [2024-11-13 15:23:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250950956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:50,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:50,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:23:50,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636965033] [2024-11-13 15:23:50,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:50,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:23:50,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:50,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:23:50,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:23:50,947 INFO L87 Difference]: Start difference. First operand 3035 states and 4168 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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) [2024-11-13 15:23:52,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:52,759 INFO L93 Difference]: Finished difference Result 4347 states and 6071 transitions. [2024-11-13 15:23:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:23:52,760 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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 [2024-11-13 15:23:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:52,775 INFO L225 Difference]: With dead ends: 4347 [2024-11-13 15:23:52,776 INFO L226 Difference]: Without dead ends: 3676 [2024-11-13 15:23:52,778 INFO L431 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 [2024-11-13 15:23:52,781 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 6319 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6319 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:52,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6319 Valid, 2183 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 15:23:52,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2024-11-13 15:23:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3035. [2024-11-13 15:23:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3757015516672169) internal successors, (4167), 3034 states have internal predecessors, (4167), 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) [2024-11-13 15:23:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4167 transitions. [2024-11-13 15:23:52,885 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4167 transitions. Word has length 53 [2024-11-13 15:23:52,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:52,885 INFO L471 AbstractCegarLoop]: Abstraction has 3035 states and 4167 transitions. [2024-11-13 15:23:52,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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) [2024-11-13 15:23:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4167 transitions. [2024-11-13 15:23:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:23:52,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:52,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:52,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:23:52,891 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:52,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:52,892 INFO L85 PathProgramCache]: Analyzing trace with hash -482264145, now seen corresponding path program 1 times [2024-11-13 15:23:52,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:52,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309024418] [2024-11-13 15:23:52,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:52,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:53,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:53,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309024418] [2024-11-13 15:23:53,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309024418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:53,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:53,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:53,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533800344] [2024-11-13 15:23:53,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:53,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:53,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:53,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:53,032 INFO L87 Difference]: Start difference. First operand 3035 states and 4167 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 15:23:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:53,149 INFO L93 Difference]: Finished difference Result 3991 states and 5632 transitions. [2024-11-13 15:23:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:53,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2024-11-13 15:23:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:53,161 INFO L225 Difference]: With dead ends: 3991 [2024-11-13 15:23:53,161 INFO L226 Difference]: Without dead ends: 3088 [2024-11-13 15:23:53,163 INFO L431 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 [2024-11-13 15:23:53,164 INFO L432 NwaCegarLoop]: 1186 mSDtfsCounter, 579 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:53,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1785 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:23:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2024-11-13 15:23:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3086. [2024-11-13 15:23:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 3080 states have (on average 1.384090909090909) internal successors, (4263), 3085 states have internal predecessors, (4263), 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) [2024-11-13 15:23:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4263 transitions. [2024-11-13 15:23:53,243 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4263 transitions. Word has length 54 [2024-11-13 15:23:53,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:53,244 INFO L471 AbstractCegarLoop]: Abstraction has 3086 states and 4263 transitions. [2024-11-13 15:23:53,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 15:23:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4263 transitions. [2024-11-13 15:23:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:23:53,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:53,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:53,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:23:53,249 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:53,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:53,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1622556323, now seen corresponding path program 1 times [2024-11-13 15:23:53,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:53,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280052297] [2024-11-13 15:23:53,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:53,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:53,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:53,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280052297] [2024-11-13 15:23:53,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280052297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:53,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:53,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:53,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761659867] [2024-11-13 15:23:53,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:53,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:53,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:53,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:53,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:53,375 INFO L87 Difference]: Start difference. First operand 3086 states and 4263 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 15:23:53,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:53,480 INFO L93 Difference]: Finished difference Result 4727 states and 6797 transitions. [2024-11-13 15:23:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:53,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2024-11-13 15:23:53,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:53,493 INFO L225 Difference]: With dead ends: 4727 [2024-11-13 15:23:53,494 INFO L226 Difference]: Without dead ends: 3508 [2024-11-13 15:23:53,496 INFO L431 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 [2024-11-13 15:23:53,497 INFO L432 NwaCegarLoop]: 1143 mSDtfsCounter, 577 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:53,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1736 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:23:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2024-11-13 15:23:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 3506. [2024-11-13 15:23:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3506 states, 3500 states have (on average 1.4117142857142857) internal successors, (4941), 3505 states have internal predecessors, (4941), 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) [2024-11-13 15:23:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4941 transitions. [2024-11-13 15:23:53,587 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4941 transitions. Word has length 54 [2024-11-13 15:23:53,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:53,589 INFO L471 AbstractCegarLoop]: Abstraction has 3506 states and 4941 transitions. [2024-11-13 15:23:53,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 15:23:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4941 transitions. [2024-11-13 15:23:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:23:53,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:53,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:53,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:23:53,593 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:53,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1612308197, now seen corresponding path program 1 times [2024-11-13 15:23:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:53,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70317348] [2024-11-13 15:23:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:53,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:53,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70317348] [2024-11-13 15:23:53,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70317348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:53,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:53,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:53,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707686717] [2024-11-13 15:23:53,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:53,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:53,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:53,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:53,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:53,708 INFO L87 Difference]: Start difference. First operand 3506 states and 4941 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 15:23:53,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:53,936 INFO L93 Difference]: Finished difference Result 7605 states and 10992 transitions. [2024-11-13 15:23:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:53,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2024-11-13 15:23:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:53,966 INFO L225 Difference]: With dead ends: 7605 [2024-11-13 15:23:53,966 INFO L226 Difference]: Without dead ends: 5153 [2024-11-13 15:23:53,973 INFO L431 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 [2024-11-13 15:23:53,974 INFO L432 NwaCegarLoop]: 1200 mSDtfsCounter, 649 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:53,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 1961 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:23:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2024-11-13 15:23:54,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 5147. [2024-11-13 15:23:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5147 states, 5141 states have (on average 1.4133437074499124) internal successors, (7266), 5146 states have internal predecessors, (7266), 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) [2024-11-13 15:23:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 7266 transitions. [2024-11-13 15:23:54,097 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 7266 transitions. Word has length 54 [2024-11-13 15:23:54,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:54,097 INFO L471 AbstractCegarLoop]: Abstraction has 5147 states and 7266 transitions. [2024-11-13 15:23:54,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 15:23:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 7266 transitions. [2024-11-13 15:23:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 15:23:54,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:54,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:54,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:23:54,103 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:54,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1623263409, now seen corresponding path program 1 times [2024-11-13 15:23:54,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:54,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197169519] [2024-11-13 15:23:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:54,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:54,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:54,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197169519] [2024-11-13 15:23:54,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197169519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:54,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:54,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:54,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964167377] [2024-11-13 15:23:54,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:54,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:54,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:54,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:54,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:54,215 INFO L87 Difference]: Start difference. First operand 5147 states and 7266 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 15:23:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:54,403 INFO L93 Difference]: Finished difference Result 9593 states and 13741 transitions. [2024-11-13 15:23:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:54,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-13 15:23:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:54,418 INFO L225 Difference]: With dead ends: 9593 [2024-11-13 15:23:54,419 INFO L226 Difference]: Without dead ends: 5408 [2024-11-13 15:23:54,424 INFO L431 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 [2024-11-13 15:23:54,425 INFO L432 NwaCegarLoop]: 855 mSDtfsCounter, 848 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:54,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1285 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:23:54,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5408 states. [2024-11-13 15:23:54,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5408 to 4343. [2024-11-13 15:23:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4343 states, 4338 states have (on average 1.4250806823420932) internal successors, (6182), 4342 states have internal predecessors, (6182), 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) [2024-11-13 15:23:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 4343 states and 6182 transitions. [2024-11-13 15:23:54,529 INFO L78 Accepts]: Start accepts. Automaton has 4343 states and 6182 transitions. Word has length 55 [2024-11-13 15:23:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:54,530 INFO L471 AbstractCegarLoop]: Abstraction has 4343 states and 6182 transitions. [2024-11-13 15:23:54,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 15:23:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4343 states and 6182 transitions. [2024-11-13 15:23:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 15:23:54,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:54,533 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:54,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:23:54,534 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:54,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:54,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1493102210, now seen corresponding path program 1 times [2024-11-13 15:23:54,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:54,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579777881] [2024-11-13 15:23:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:54,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:54,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579777881] [2024-11-13 15:23:54,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579777881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:54,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:54,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:54,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671883013] [2024-11-13 15:23:54,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:54,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:54,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:54,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:54,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:54,639 INFO L87 Difference]: Start difference. First operand 4343 states and 6182 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 15:23:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:54,815 INFO L93 Difference]: Finished difference Result 8336 states and 12073 transitions. [2024-11-13 15:23:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:54,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-13 15:23:54,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:54,828 INFO L225 Difference]: With dead ends: 8336 [2024-11-13 15:23:54,828 INFO L226 Difference]: Without dead ends: 4679 [2024-11-13 15:23:54,832 INFO L431 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 [2024-11-13 15:23:54,834 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 659 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:54,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1016 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:23:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4679 states. [2024-11-13 15:23:54,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4679 to 3775. [2024-11-13 15:23:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3775 states, 3771 states have (on average 1.4346327234155396) internal successors, (5410), 3774 states have internal predecessors, (5410), 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) [2024-11-13 15:23:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3775 states and 5410 transitions. [2024-11-13 15:23:54,917 INFO L78 Accepts]: Start accepts. Automaton has 3775 states and 5410 transitions. Word has length 55 [2024-11-13 15:23:54,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:54,917 INFO L471 AbstractCegarLoop]: Abstraction has 3775 states and 5410 transitions. [2024-11-13 15:23:54,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 15:23:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3775 states and 5410 transitions. [2024-11-13 15:23:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 15:23:54,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:54,921 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:54,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:23:54,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:54,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1419432604, now seen corresponding path program 1 times [2024-11-13 15:23:54,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:54,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938719852] [2024-11-13 15:23:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:54,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:55,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:55,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938719852] [2024-11-13 15:23:55,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938719852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:55,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:55,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:23:55,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257079235] [2024-11-13 15:23:55,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:55,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:23:55,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:23:55,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:23:55,013 INFO L87 Difference]: Start difference. First operand 3775 states and 5410 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 15:23:55,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:23:55,195 INFO L93 Difference]: Finished difference Result 7569 states and 11012 transitions. [2024-11-13 15:23:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:23:55,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-13 15:23:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:23:55,207 INFO L225 Difference]: With dead ends: 7569 [2024-11-13 15:23:55,207 INFO L226 Difference]: Without dead ends: 4109 [2024-11-13 15:23:55,211 INFO L431 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 [2024-11-13 15:23:55,212 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 552 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:23:55,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 917 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:23:55,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2024-11-13 15:23:55,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 3304. [2024-11-13 15:23:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 3300 states have (on average 1.4481818181818182) internal successors, (4779), 3303 states have internal predecessors, (4779), 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) [2024-11-13 15:23:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4779 transitions. [2024-11-13 15:23:55,291 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4779 transitions. Word has length 55 [2024-11-13 15:23:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:23:55,291 INFO L471 AbstractCegarLoop]: Abstraction has 3304 states and 4779 transitions. [2024-11-13 15:23:55,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 15:23:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4779 transitions. [2024-11-13 15:23:55,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 15:23:55,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:23:55,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:23:55,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:23:55,294 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:23:55,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:23:55,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1871407914, now seen corresponding path program 1 times [2024-11-13 15:23:55,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:23:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169327526] [2024-11-13 15:23:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:23:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:23:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:23:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:23:57,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:23:57,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169327526] [2024-11-13 15:23:57,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169327526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:23:57,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:23:57,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-13 15:23:57,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111479548] [2024-11-13 15:23:57,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:23:57,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:23:57,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:23:57,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:23:57,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:23:57,257 INFO L87 Difference]: Start difference. First operand 3304 states and 4779 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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) [2024-11-13 15:24:00,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:00,847 INFO L93 Difference]: Finished difference Result 6859 states and 9953 transitions. [2024-11-13 15:24:00,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 15:24:00,848 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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 56 [2024-11-13 15:24:00,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:00,867 INFO L225 Difference]: With dead ends: 6859 [2024-11-13 15:24:00,867 INFO L226 Difference]: Without dead ends: 6855 [2024-11-13 15:24:00,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 15:24:00,871 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 6048 mSDsluCounter, 5040 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6048 SdHoareTripleChecker+Valid, 5628 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:00,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6048 Valid, 5628 Invalid, 2552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 15:24:00,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6855 states. [2024-11-13 15:24:00,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6855 to 3316. [2024-11-13 15:24:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3312 states have (on average 1.4480676328502415) internal successors, (4796), 3315 states have internal predecessors, (4796), 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) [2024-11-13 15:24:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4796 transitions. [2024-11-13 15:24:00,957 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4796 transitions. Word has length 56 [2024-11-13 15:24:00,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:00,957 INFO L471 AbstractCegarLoop]: Abstraction has 3316 states and 4796 transitions. [2024-11-13 15:24:00,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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) [2024-11-13 15:24:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4796 transitions. [2024-11-13 15:24:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 15:24:00,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:00,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:00,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:24:00,960 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:00,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:00,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1094868748, now seen corresponding path program 1 times [2024-11-13 15:24:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934220213] [2024-11-13 15:24:00,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:01,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:01,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934220213] [2024-11-13 15:24:01,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934220213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:01,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:01,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:24:01,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765276890] [2024-11-13 15:24:01,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:01,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:24:01,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:01,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:24:01,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:24:01,736 INFO L87 Difference]: Start difference. First operand 3316 states and 4796 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 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) [2024-11-13 15:24:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:03,058 INFO L93 Difference]: Finished difference Result 6811 states and 9907 transitions. [2024-11-13 15:24:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:24:03,058 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 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 56 [2024-11-13 15:24:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:03,076 INFO L225 Difference]: With dead ends: 6811 [2024-11-13 15:24:03,076 INFO L226 Difference]: Without dead ends: 6715 [2024-11-13 15:24:03,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:24:03,080 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 4204 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4204 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:03,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4204 Valid, 2672 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:24:03,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6715 states. [2024-11-13 15:24:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 3269. [2024-11-13 15:24:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3269 states, 3267 states have (on average 1.4499540863177227) internal successors, (4737), 3268 states have internal predecessors, (4737), 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) [2024-11-13 15:24:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 3269 states and 4737 transitions. [2024-11-13 15:24:03,158 INFO L78 Accepts]: Start accepts. Automaton has 3269 states and 4737 transitions. Word has length 56 [2024-11-13 15:24:03,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:03,159 INFO L471 AbstractCegarLoop]: Abstraction has 3269 states and 4737 transitions. [2024-11-13 15:24:03,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 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) [2024-11-13 15:24:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 4737 transitions. [2024-11-13 15:24:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 15:24:03,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:03,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:03,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:24:03,162 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:03,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash 247888215, now seen corresponding path program 1 times [2024-11-13 15:24:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:03,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076397240] [2024-11-13 15:24:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:04,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:04,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076397240] [2024-11-13 15:24:04,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076397240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:04,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:04,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:24:04,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896059635] [2024-11-13 15:24:04,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:04,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:24:04,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:04,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:24:04,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:24:04,014 INFO L87 Difference]: Start difference. First operand 3269 states and 4737 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-11-13 15:24:05,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:05,352 INFO L93 Difference]: Finished difference Result 6460 states and 9394 transitions. [2024-11-13 15:24:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:24:05,352 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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 57 [2024-11-13 15:24:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:05,367 INFO L225 Difference]: With dead ends: 6460 [2024-11-13 15:24:05,368 INFO L226 Difference]: Without dead ends: 6378 [2024-11-13 15:24:05,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:24:05,371 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 2476 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 3324 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:05,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 3324 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:24:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6378 states. [2024-11-13 15:24:05,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6378 to 3229. [2024-11-13 15:24:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3228 states have (on average 1.4507434944237918) internal successors, (4683), 3228 states have internal predecessors, (4683), 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) [2024-11-13 15:24:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4683 transitions. [2024-11-13 15:24:05,451 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4683 transitions. Word has length 57 [2024-11-13 15:24:05,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:05,451 INFO L471 AbstractCegarLoop]: Abstraction has 3229 states and 4683 transitions. [2024-11-13 15:24:05,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-11-13 15:24:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4683 transitions. [2024-11-13 15:24:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 15:24:05,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:05,454 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:05,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:24:05,454 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:05,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:05,455 INFO L85 PathProgramCache]: Analyzing trace with hash -101338621, now seen corresponding path program 1 times [2024-11-13 15:24:05,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:05,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726430519] [2024-11-13 15:24:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:05,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:05,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726430519] [2024-11-13 15:24:05,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726430519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:05,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:05,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:05,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874961861] [2024-11-13 15:24:05,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:05,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:05,614 INFO L87 Difference]: Start difference. First operand 3229 states and 4683 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-11-13 15:24:05,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:05,775 INFO L93 Difference]: Finished difference Result 10185 states and 15075 transitions. [2024-11-13 15:24:05,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:24:05,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 63 [2024-11-13 15:24:05,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:05,794 INFO L225 Difference]: With dead ends: 10185 [2024-11-13 15:24:05,795 INFO L226 Difference]: Without dead ends: 7463 [2024-11-13 15:24:05,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:24:05,801 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1620 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:05,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 948 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:05,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7463 states. [2024-11-13 15:24:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7463 to 5648. [2024-11-13 15:24:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5648 states, 5647 states have (on average 1.4482025854435985) internal successors, (8178), 5647 states have internal predecessors, (8178), 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) [2024-11-13 15:24:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5648 states to 5648 states and 8178 transitions. [2024-11-13 15:24:05,938 INFO L78 Accepts]: Start accepts. Automaton has 5648 states and 8178 transitions. Word has length 63 [2024-11-13 15:24:05,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:05,938 INFO L471 AbstractCegarLoop]: Abstraction has 5648 states and 8178 transitions. [2024-11-13 15:24:05,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-11-13 15:24:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5648 states and 8178 transitions. [2024-11-13 15:24:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 15:24:05,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:05,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:05,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:24:05,942 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:05,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:05,945 INFO L85 PathProgramCache]: Analyzing trace with hash 838129574, now seen corresponding path program 1 times [2024-11-13 15:24:05,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:05,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48101569] [2024-11-13 15:24:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:06,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:06,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48101569] [2024-11-13 15:24:06,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48101569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:06,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:06,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:06,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962334779] [2024-11-13 15:24:06,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:06,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:06,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:06,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:06,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:06,119 INFO L87 Difference]: Start difference. First operand 5648 states and 8178 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-13 15:24:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:06,262 INFO L93 Difference]: Finished difference Result 8880 states and 12897 transitions. [2024-11-13 15:24:06,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:24:06,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 64 [2024-11-13 15:24:06,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:06,272 INFO L225 Difference]: With dead ends: 8880 [2024-11-13 15:24:06,272 INFO L226 Difference]: Without dead ends: 3718 [2024-11-13 15:24:06,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:06,278 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 1310 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:06,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 816 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:06,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2024-11-13 15:24:06,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3714. [2024-11-13 15:24:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3714 states, 3713 states have (on average 1.4223000269323998) internal successors, (5281), 3713 states have internal predecessors, (5281), 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) [2024-11-13 15:24:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 5281 transitions. [2024-11-13 15:24:06,338 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 5281 transitions. Word has length 64 [2024-11-13 15:24:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:06,338 INFO L471 AbstractCegarLoop]: Abstraction has 3714 states and 5281 transitions. [2024-11-13 15:24:06,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-13 15:24:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 5281 transitions. [2024-11-13 15:24:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 15:24:06,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:06,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:06,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:24:06,342 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:06,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:06,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1809556404, now seen corresponding path program 1 times [2024-11-13 15:24:06,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:06,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835173217] [2024-11-13 15:24:06,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:06,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:06,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:06,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835173217] [2024-11-13 15:24:06,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835173217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:06,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:06,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:06,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411706058] [2024-11-13 15:24:06,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:06,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:06,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:06,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:06,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:06,498 INFO L87 Difference]: Start difference. First operand 3714 states and 5281 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-13 15:24:06,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:06,610 INFO L93 Difference]: Finished difference Result 9856 states and 14207 transitions. [2024-11-13 15:24:06,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:06,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2024-11-13 15:24:06,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:06,629 INFO L225 Difference]: With dead ends: 9856 [2024-11-13 15:24:06,629 INFO L226 Difference]: Without dead ends: 6606 [2024-11-13 15:24:06,634 INFO L431 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 [2024-11-13 15:24:06,635 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 295 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:06,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 779 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6606 states. [2024-11-13 15:24:06,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6606 to 6188. [2024-11-13 15:24:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6188 states, 6187 states have (on average 1.4275092936802973) internal successors, (8832), 6187 states have internal predecessors, (8832), 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) [2024-11-13 15:24:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6188 states to 6188 states and 8832 transitions. [2024-11-13 15:24:06,773 INFO L78 Accepts]: Start accepts. Automaton has 6188 states and 8832 transitions. Word has length 66 [2024-11-13 15:24:06,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:06,773 INFO L471 AbstractCegarLoop]: Abstraction has 6188 states and 8832 transitions. [2024-11-13 15:24:06,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-13 15:24:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 6188 states and 8832 transitions. [2024-11-13 15:24:06,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 15:24:06,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:06,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:06,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:24:06,776 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:06,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:06,777 INFO L85 PathProgramCache]: Analyzing trace with hash 827517135, now seen corresponding path program 1 times [2024-11-13 15:24:06,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:06,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413693216] [2024-11-13 15:24:06,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:06,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:06,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413693216] [2024-11-13 15:24:06,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413693216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:06,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:06,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:06,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333249659] [2024-11-13 15:24:06,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:06,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:06,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:06,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:06,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:06,945 INFO L87 Difference]: Start difference. First operand 6188 states and 8832 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-13 15:24:07,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:07,077 INFO L93 Difference]: Finished difference Result 17008 states and 24426 transitions. [2024-11-13 15:24:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:07,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2024-11-13 15:24:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:07,105 INFO L225 Difference]: With dead ends: 17008 [2024-11-13 15:24:07,105 INFO L226 Difference]: Without dead ends: 11284 [2024-11-13 15:24:07,113 INFO L431 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 [2024-11-13 15:24:07,114 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 255 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:07,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 800 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11284 states. [2024-11-13 15:24:07,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11284 to 10450. [2024-11-13 15:24:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10450 states, 10449 states have (on average 1.4240597186333621) internal successors, (14880), 10449 states have internal predecessors, (14880), 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) [2024-11-13 15:24:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10450 states to 10450 states and 14880 transitions. [2024-11-13 15:24:07,296 INFO L78 Accepts]: Start accepts. Automaton has 10450 states and 14880 transitions. Word has length 66 [2024-11-13 15:24:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:07,297 INFO L471 AbstractCegarLoop]: Abstraction has 10450 states and 14880 transitions. [2024-11-13 15:24:07,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-13 15:24:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 10450 states and 14880 transitions. [2024-11-13 15:24:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 15:24:07,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:07,299 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:07,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:24:07,299 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:07,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1051118849, now seen corresponding path program 1 times [2024-11-13 15:24:07,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:07,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225174698] [2024-11-13 15:24:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:07,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:07,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225174698] [2024-11-13 15:24:07,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225174698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:07,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:07,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:24:07,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038877124] [2024-11-13 15:24:07,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:07,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:24:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:24:07,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:24:07,742 INFO L87 Difference]: Start difference. First operand 10450 states and 14880 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2024-11-13 15:24:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:07,819 INFO L93 Difference]: Finished difference Result 11340 states and 16065 transitions. [2024-11-13 15:24:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:24:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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 68 [2024-11-13 15:24:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:07,849 INFO L225 Difference]: With dead ends: 11340 [2024-11-13 15:24:07,849 INFO L226 Difference]: Without dead ends: 11338 [2024-11-13 15:24:07,853 INFO L431 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 [2024-11-13 15:24:07,854 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 0 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:07,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2395 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:24:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11338 states. [2024-11-13 15:24:07,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11338 to 11338. [2024-11-13 15:24:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11338 states, 11337 states have (on average 1.3908441386610215) internal successors, (15768), 11337 states have internal predecessors, (15768), 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) [2024-11-13 15:24:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11338 states to 11338 states and 15768 transitions. [2024-11-13 15:24:08,030 INFO L78 Accepts]: Start accepts. Automaton has 11338 states and 15768 transitions. Word has length 68 [2024-11-13 15:24:08,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:08,030 INFO L471 AbstractCegarLoop]: Abstraction has 11338 states and 15768 transitions. [2024-11-13 15:24:08,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2024-11-13 15:24:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 11338 states and 15768 transitions. [2024-11-13 15:24:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 15:24:08,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:08,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:08,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:24:08,035 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:08,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:08,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1654492608, now seen corresponding path program 1 times [2024-11-13 15:24:08,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:08,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570944036] [2024-11-13 15:24:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:08,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:08,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570944036] [2024-11-13 15:24:08,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570944036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:08,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:08,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:08,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668968549] [2024-11-13 15:24:08,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:08,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:08,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:08,137 INFO L87 Difference]: Start difference. First operand 11338 states and 15768 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-13 15:24:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:08,371 INFO L93 Difference]: Finished difference Result 30652 states and 42747 transitions. [2024-11-13 15:24:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-11-13 15:24:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:08,435 INFO L225 Difference]: With dead ends: 30652 [2024-11-13 15:24:08,435 INFO L226 Difference]: Without dead ends: 19772 [2024-11-13 15:24:08,451 INFO L431 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 [2024-11-13 15:24:08,453 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 295 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:08,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 717 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:08,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19772 states. [2024-11-13 15:24:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19772 to 19474. [2024-11-13 15:24:08,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19474 states, 19473 states have (on average 1.366353412417193) internal successors, (26607), 19473 states have internal predecessors, (26607), 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) [2024-11-13 15:24:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19474 states to 19474 states and 26607 transitions. [2024-11-13 15:24:08,868 INFO L78 Accepts]: Start accepts. Automaton has 19474 states and 26607 transitions. Word has length 69 [2024-11-13 15:24:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:08,869 INFO L471 AbstractCegarLoop]: Abstraction has 19474 states and 26607 transitions. [2024-11-13 15:24:08,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-11-13 15:24:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 19474 states and 26607 transitions. [2024-11-13 15:24:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:24:08,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:08,871 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:08,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:24:08,872 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:08,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:08,872 INFO L85 PathProgramCache]: Analyzing trace with hash -761417871, now seen corresponding path program 1 times [2024-11-13 15:24:08,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:08,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789133605] [2024-11-13 15:24:08,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:09,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:09,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789133605] [2024-11-13 15:24:09,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789133605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:09,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:09,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337218536] [2024-11-13 15:24:09,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:09,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:09,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:09,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:09,023 INFO L87 Difference]: Start difference. First operand 19474 states and 26607 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) [2024-11-13 15:24:09,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:09,267 INFO L93 Difference]: Finished difference Result 34307 states and 47044 transitions. [2024-11-13 15:24:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:24:09,267 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 [2024-11-13 15:24:09,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:09,340 INFO L225 Difference]: With dead ends: 34307 [2024-11-13 15:24:09,340 INFO L226 Difference]: Without dead ends: 28053 [2024-11-13 15:24:09,352 INFO L431 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 [2024-11-13 15:24:09,355 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 1002 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:09,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 1243 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:09,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28053 states. [2024-11-13 15:24:09,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28053 to 24427. [2024-11-13 15:24:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24427 states, 24426 states have (on average 1.361500040939982) internal successors, (33256), 24426 states have internal predecessors, (33256), 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) [2024-11-13 15:24:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24427 states to 24427 states and 33256 transitions. [2024-11-13 15:24:09,829 INFO L78 Accepts]: Start accepts. Automaton has 24427 states and 33256 transitions. Word has length 73 [2024-11-13 15:24:09,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:09,829 INFO L471 AbstractCegarLoop]: Abstraction has 24427 states and 33256 transitions. [2024-11-13 15:24:09,829 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) [2024-11-13 15:24:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24427 states and 33256 transitions. [2024-11-13 15:24:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:24:09,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:09,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:09,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 15:24:09,833 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:09,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:09,833 INFO L85 PathProgramCache]: Analyzing trace with hash -669489783, now seen corresponding path program 1 times [2024-11-13 15:24:09,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:09,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370321982] [2024-11-13 15:24:09,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:10,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:10,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370321982] [2024-11-13 15:24:10,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370321982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:10,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:10,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:10,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162024392] [2024-11-13 15:24:10,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:10,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:10,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:10,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:10,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:10,006 INFO L87 Difference]: Start difference. First operand 24427 states and 33256 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) [2024-11-13 15:24:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:10,262 INFO L93 Difference]: Finished difference Result 37627 states and 51448 transitions. [2024-11-13 15:24:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:24:10,263 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 [2024-11-13 15:24:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:10,352 INFO L225 Difference]: With dead ends: 37627 [2024-11-13 15:24:10,352 INFO L226 Difference]: Without dead ends: 31373 [2024-11-13 15:24:10,366 INFO L431 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 [2024-11-13 15:24:10,368 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 977 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:10,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 1246 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31373 states. [2024-11-13 15:24:10,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31373 to 29379. [2024-11-13 15:24:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29379 states, 29378 states have (on average 1.3582953230308394) internal successors, (39904), 29378 states have internal predecessors, (39904), 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) [2024-11-13 15:24:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29379 states to 29379 states and 39904 transitions. [2024-11-13 15:24:11,184 INFO L78 Accepts]: Start accepts. Automaton has 29379 states and 39904 transitions. Word has length 74 [2024-11-13 15:24:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:11,185 INFO L471 AbstractCegarLoop]: Abstraction has 29379 states and 39904 transitions. [2024-11-13 15:24:11,185 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) [2024-11-13 15:24:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29379 states and 39904 transitions. [2024-11-13 15:24:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:24:11,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:11,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:11,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 15:24:11,188 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:11,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:11,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1856624705, now seen corresponding path program 1 times [2024-11-13 15:24:11,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:11,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663230875] [2024-11-13 15:24:11,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:11,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:11,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:11,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663230875] [2024-11-13 15:24:11,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663230875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:11,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:11,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504740416] [2024-11-13 15:24:11,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:11,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:11,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:11,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:11,359 INFO L87 Difference]: Start difference. First operand 29379 states and 39904 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) [2024-11-13 15:24:11,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:11,602 INFO L93 Difference]: Finished difference Result 42643 states and 58080 transitions. [2024-11-13 15:24:11,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:24:11,602 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 [2024-11-13 15:24:11,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:11,701 INFO L225 Difference]: With dead ends: 42643 [2024-11-13 15:24:11,702 INFO L226 Difference]: Without dead ends: 36349 [2024-11-13 15:24:11,718 INFO L431 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 [2024-11-13 15:24:11,719 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 984 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:11,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1200 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36349 states. [2024-11-13 15:24:12,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36349 to 34355. [2024-11-13 15:24:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34355 states, 34354 states have (on average 1.3549513884846014) internal successors, (46548), 34354 states have internal predecessors, (46548), 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) [2024-11-13 15:24:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34355 states to 34355 states and 46548 transitions. [2024-11-13 15:24:12,556 INFO L78 Accepts]: Start accepts. Automaton has 34355 states and 46548 transitions. Word has length 74 [2024-11-13 15:24:12,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:12,558 INFO L471 AbstractCegarLoop]: Abstraction has 34355 states and 46548 transitions. [2024-11-13 15:24:12,558 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) [2024-11-13 15:24:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 34355 states and 46548 transitions. [2024-11-13 15:24:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 15:24:12,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:12,564 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:12,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:24:12,564 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:12,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:12,565 INFO L85 PathProgramCache]: Analyzing trace with hash 324913683, now seen corresponding path program 1 times [2024-11-13 15:24:12,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:12,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183880080] [2024-11-13 15:24:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:12,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:13,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:13,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183880080] [2024-11-13 15:24:13,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183880080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:13,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:13,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106706006] [2024-11-13 15:24:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:13,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:13,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:13,011 INFO L87 Difference]: Start difference. First operand 34355 states and 46548 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-13 15:24:13,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:13,472 INFO L93 Difference]: Finished difference Result 47277 states and 64187 transitions. [2024-11-13 15:24:13,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:24:13,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2024-11-13 15:24:13,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:13,527 INFO L225 Difference]: With dead ends: 47277 [2024-11-13 15:24:13,527 INFO L226 Difference]: Without dead ends: 36071 [2024-11-13 15:24:13,537 INFO L431 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 [2024-11-13 15:24:13,537 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 1023 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:13,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 1203 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:13,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36071 states. [2024-11-13 15:24:13,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36071 to 34079. [2024-11-13 15:24:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34079 states, 34078 states have (on average 1.352426785609484) internal successors, (46088), 34078 states have internal predecessors, (46088), 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) [2024-11-13 15:24:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34079 states to 34079 states and 46088 transitions. [2024-11-13 15:24:14,104 INFO L78 Accepts]: Start accepts. Automaton has 34079 states and 46088 transitions. Word has length 81 [2024-11-13 15:24:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:14,104 INFO L471 AbstractCegarLoop]: Abstraction has 34079 states and 46088 transitions. [2024-11-13 15:24:14,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-13 15:24:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 34079 states and 46088 transitions. [2024-11-13 15:24:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 15:24:14,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:14,109 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:24:14,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 15:24:14,109 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:14,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:14,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2144075086, now seen corresponding path program 1 times [2024-11-13 15:24:14,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:14,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545872347] [2024-11-13 15:24:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:14,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:14,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545872347] [2024-11-13 15:24:14,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545872347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:14,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:14,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:24:14,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602069969] [2024-11-13 15:24:14,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:14,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:24:14,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:14,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:24:14,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:24:14,268 INFO L87 Difference]: Start difference. First operand 34079 states and 46088 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 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) [2024-11-13 15:24:15,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:15,289 INFO L93 Difference]: Finished difference Result 41513 states and 56028 transitions. [2024-11-13 15:24:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:24:15,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 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 82 [2024-11-13 15:24:15,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:15,380 INFO L225 Difference]: With dead ends: 41513 [2024-11-13 15:24:15,380 INFO L226 Difference]: Without dead ends: 40965 [2024-11-13 15:24:15,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:24:15,397 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 2012 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:15,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 583 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:24:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40965 states. [2024-11-13 15:24:16,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40965 to 34078. [2024-11-13 15:24:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34078 states, 34077 states have (on average 1.3523784370689909) internal successors, (46085), 34077 states have internal predecessors, (46085), 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) [2024-11-13 15:24:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34078 states to 34078 states and 46085 transitions. [2024-11-13 15:24:16,248 INFO L78 Accepts]: Start accepts. Automaton has 34078 states and 46085 transitions. Word has length 82 [2024-11-13 15:24:16,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:16,248 INFO L471 AbstractCegarLoop]: Abstraction has 34078 states and 46085 transitions. [2024-11-13 15:24:16,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 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) [2024-11-13 15:24:16,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34078 states and 46085 transitions. [2024-11-13 15:24:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 15:24:16,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:16,262 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:16,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 15:24:16,263 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:16,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:16,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1665802254, now seen corresponding path program 1 times [2024-11-13 15:24:16,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:16,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000823814] [2024-11-13 15:24:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:16,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:24:16,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:16,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000823814] [2024-11-13 15:24:16,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000823814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:16,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:16,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:24:16,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658977220] [2024-11-13 15:24:16,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:16,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:24:16,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:16,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:24:16,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:24:16,869 INFO L87 Difference]: Start difference. First operand 34078 states and 46085 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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) [2024-11-13 15:24:18,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:18,821 INFO L93 Difference]: Finished difference Result 72971 states and 97576 transitions. [2024-11-13 15:24:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:24:18,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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 88 [2024-11-13 15:24:18,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:18,917 INFO L225 Difference]: With dead ends: 72971 [2024-11-13 15:24:18,917 INFO L226 Difference]: Without dead ends: 57348 [2024-11-13 15:24:18,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:24:18,942 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 2373 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:18,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 1630 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 15:24:18,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57348 states. [2024-11-13 15:24:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57348 to 34058. [2024-11-13 15:24:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34058 states, 34057 states have (on average 1.3524972839651173) internal successors, (46062), 34057 states have internal predecessors, (46062), 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) [2024-11-13 15:24:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34058 states to 34058 states and 46062 transitions. [2024-11-13 15:24:19,921 INFO L78 Accepts]: Start accepts. Automaton has 34058 states and 46062 transitions. Word has length 88 [2024-11-13 15:24:19,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:19,921 INFO L471 AbstractCegarLoop]: Abstraction has 34058 states and 46062 transitions. [2024-11-13 15:24:19,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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) [2024-11-13 15:24:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 34058 states and 46062 transitions. [2024-11-13 15:24:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 15:24:19,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:19,934 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:19,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 15:24:19,935 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:19,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:19,935 INFO L85 PathProgramCache]: Analyzing trace with hash 730861950, now seen corresponding path program 1 times [2024-11-13 15:24:19,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:19,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498630744] [2024-11-13 15:24:19,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:19,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:20,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:20,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498630744] [2024-11-13 15:24:20,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498630744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:20,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:20,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:24:20,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682147704] [2024-11-13 15:24:20,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:20,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:24:20,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:20,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:24:20,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:24:20,583 INFO L87 Difference]: Start difference. First operand 34058 states and 46062 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 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) [2024-11-13 15:24:22,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:22,419 INFO L93 Difference]: Finished difference Result 72990 states and 97632 transitions. [2024-11-13 15:24:22,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:24:22,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 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 89 [2024-11-13 15:24:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:22,487 INFO L225 Difference]: With dead ends: 72990 [2024-11-13 15:24:22,487 INFO L226 Difference]: Without dead ends: 57388 [2024-11-13 15:24:22,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:24:22,508 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 2338 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:22,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 1598 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:24:22,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57388 states. [2024-11-13 15:24:23,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57388 to 34520. [2024-11-13 15:24:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34520 states, 34519 states have (on average 1.3509661345925432) internal successors, (46634), 34519 states have internal predecessors, (46634), 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) [2024-11-13 15:24:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34520 states to 34520 states and 46634 transitions. [2024-11-13 15:24:23,538 INFO L78 Accepts]: Start accepts. Automaton has 34520 states and 46634 transitions. Word has length 89 [2024-11-13 15:24:23,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:23,539 INFO L471 AbstractCegarLoop]: Abstraction has 34520 states and 46634 transitions. [2024-11-13 15:24:23,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 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) [2024-11-13 15:24:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 34520 states and 46634 transitions. [2024-11-13 15:24:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 15:24:23,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:23,546 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:23,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 15:24:23,546 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:23,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:23,547 INFO L85 PathProgramCache]: Analyzing trace with hash -167089379, now seen corresponding path program 1 times [2024-11-13 15:24:23,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:23,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995174129] [2024-11-13 15:24:23,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:23,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:24:23,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:23,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995174129] [2024-11-13 15:24:23,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995174129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:23,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:23,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:24:23,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12236426] [2024-11-13 15:24:23,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:23,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:24:23,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:23,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:24:23,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:24:23,930 INFO L87 Difference]: Start difference. First operand 34520 states and 46634 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 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) [2024-11-13 15:24:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:25,728 INFO L93 Difference]: Finished difference Result 66683 states and 89872 transitions. [2024-11-13 15:24:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:24:25,728 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 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 89 [2024-11-13 15:24:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:25,787 INFO L225 Difference]: With dead ends: 66683 [2024-11-13 15:24:25,787 INFO L226 Difference]: Without dead ends: 51161 [2024-11-13 15:24:25,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:24:25,804 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 2454 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:25,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 1058 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 15:24:25,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51161 states. [2024-11-13 15:24:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51161 to 34504. [2024-11-13 15:24:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34504 states, 34503 states have (on average 1.3510709213691563) internal successors, (46616), 34503 states have internal predecessors, (46616), 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) [2024-11-13 15:24:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34504 states to 34504 states and 46616 transitions. [2024-11-13 15:24:26,445 INFO L78 Accepts]: Start accepts. Automaton has 34504 states and 46616 transitions. Word has length 89 [2024-11-13 15:24:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:26,445 INFO L471 AbstractCegarLoop]: Abstraction has 34504 states and 46616 transitions. [2024-11-13 15:24:26,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 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) [2024-11-13 15:24:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 34504 states and 46616 transitions. [2024-11-13 15:24:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 15:24:26,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:26,456 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:26,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 15:24:26,456 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:26,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash 964121325, now seen corresponding path program 1 times [2024-11-13 15:24:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909247091] [2024-11-13 15:24:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 15:24:26,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:26,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909247091] [2024-11-13 15:24:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909247091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:26,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:24:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180209703] [2024-11-13 15:24:26,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:26,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:24:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:26,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:24:26,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:24:26,951 INFO L87 Difference]: Start difference. First operand 34504 states and 46616 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 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) [2024-11-13 15:24:28,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:28,022 INFO L93 Difference]: Finished difference Result 65430 states and 88450 transitions. [2024-11-13 15:24:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:24:28,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 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 89 [2024-11-13 15:24:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:28,216 INFO L225 Difference]: With dead ends: 65430 [2024-11-13 15:24:28,217 INFO L226 Difference]: Without dead ends: 50002 [2024-11-13 15:24:28,224 INFO L431 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 [2024-11-13 15:24:28,225 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 2287 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:28,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 849 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:24:28,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50002 states. [2024-11-13 15:24:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50002 to 34492. [2024-11-13 15:24:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34492 states, 34491 states have (on average 1.351164071786843) internal successors, (46603), 34491 states have internal predecessors, (46603), 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) [2024-11-13 15:24:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34492 states to 34492 states and 46603 transitions. [2024-11-13 15:24:28,731 INFO L78 Accepts]: Start accepts. Automaton has 34492 states and 46603 transitions. Word has length 89 [2024-11-13 15:24:28,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:28,731 INFO L471 AbstractCegarLoop]: Abstraction has 34492 states and 46603 transitions. [2024-11-13 15:24:28,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 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) [2024-11-13 15:24:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 34492 states and 46603 transitions. [2024-11-13 15:24:28,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 15:24:28,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:28,747 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:28,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 15:24:28,747 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:28,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:28,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1490479423, now seen corresponding path program 1 times [2024-11-13 15:24:28,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:28,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727957110] [2024-11-13 15:24:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:28,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:28,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727957110] [2024-11-13 15:24:28,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727957110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:28,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:28,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:28,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252862782] [2024-11-13 15:24:28,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:28,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:28,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:28,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:28,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:28,920 INFO L87 Difference]: Start difference. First operand 34492 states and 46603 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-13 15:24:29,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:29,402 INFO L93 Difference]: Finished difference Result 68108 states and 92165 transitions. [2024-11-13 15:24:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:29,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 90 [2024-11-13 15:24:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:29,448 INFO L225 Difference]: With dead ends: 68108 [2024-11-13 15:24:29,448 INFO L226 Difference]: Without dead ends: 34494 [2024-11-13 15:24:29,462 INFO L431 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 [2024-11-13 15:24:29,464 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 172 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:29,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 813 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:24:29,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34494 states. [2024-11-13 15:24:29,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34494 to 34492. [2024-11-13 15:24:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34492 states, 34491 states have (on average 1.3351019106433561) internal successors, (46049), 34491 states have internal predecessors, (46049), 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) [2024-11-13 15:24:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34492 states to 34492 states and 46049 transitions. [2024-11-13 15:24:29,980 INFO L78 Accepts]: Start accepts. Automaton has 34492 states and 46049 transitions. Word has length 90 [2024-11-13 15:24:29,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:29,980 INFO L471 AbstractCegarLoop]: Abstraction has 34492 states and 46049 transitions. [2024-11-13 15:24:29,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-13 15:24:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 34492 states and 46049 transitions. [2024-11-13 15:24:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 15:24:29,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:29,986 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:29,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 15:24:29,987 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:29,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:29,988 INFO L85 PathProgramCache]: Analyzing trace with hash -324068378, now seen corresponding path program 1 times [2024-11-13 15:24:29,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:29,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485156011] [2024-11-13 15:24:29,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:29,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:30,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:30,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485156011] [2024-11-13 15:24:30,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485156011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:24:30,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401994256] [2024-11-13 15:24:30,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:30,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:24:30,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:24:30,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:24:30,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:24:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:30,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:24:30,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:24:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:31,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:24:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:32,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401994256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:24:32,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:24:32,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 9] total 15 [2024-11-13 15:24:32,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713074741] [2024-11-13 15:24:32,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:24:32,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 15:24:32,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:32,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 15:24:32,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:24:32,127 INFO L87 Difference]: Start difference. First operand 34492 states and 46049 transitions. Second operand has 15 states, 15 states have (on average 13.866666666666667) internal successors, (208), 15 states have internal predecessors, (208), 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) [2024-11-13 15:24:35,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:35,162 INFO L93 Difference]: Finished difference Result 261496 states and 351477 transitions. [2024-11-13 15:24:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 15:24:35,163 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.866666666666667) internal successors, (208), 15 states have internal predecessors, (208), 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 90 [2024-11-13 15:24:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:35,443 INFO L225 Difference]: With dead ends: 261496 [2024-11-13 15:24:35,444 INFO L226 Difference]: Without dead ends: 227875 [2024-11-13 15:24:35,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=449, Invalid=1357, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 15:24:35,487 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 3849 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 4914 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:35,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 4914 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:24:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227875 states. [2024-11-13 15:24:38,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227875 to 207309. [2024-11-13 15:24:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207309 states, 207308 states have (on average 1.3250911686958535) internal successors, (274702), 207308 states have internal predecessors, (274702), 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) [2024-11-13 15:24:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207309 states to 207309 states and 274702 transitions. [2024-11-13 15:24:39,090 INFO L78 Accepts]: Start accepts. Automaton has 207309 states and 274702 transitions. Word has length 90 [2024-11-13 15:24:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:39,091 INFO L471 AbstractCegarLoop]: Abstraction has 207309 states and 274702 transitions. [2024-11-13 15:24:39,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.866666666666667) internal successors, (208), 15 states have internal predecessors, (208), 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) [2024-11-13 15:24:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 207309 states and 274702 transitions. [2024-11-13 15:24:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 15:24:39,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:39,100 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:39,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:24:39,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:24:39,301 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:39,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash 971467756, now seen corresponding path program 1 times [2024-11-13 15:24:39,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:39,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699592778] [2024-11-13 15:24:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:40,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:40,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699592778] [2024-11-13 15:24:40,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699592778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:40,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:40,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:40,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214063518] [2024-11-13 15:24:40,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:40,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:40,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:40,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:40,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:40,071 INFO L87 Difference]: Start difference. First operand 207309 states and 274702 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 15:24:42,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:42,285 INFO L93 Difference]: Finished difference Result 419991 states and 554830 transitions. [2024-11-13 15:24:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:24:42,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 93 [2024-11-13 15:24:42,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:42,556 INFO L225 Difference]: With dead ends: 419991 [2024-11-13 15:24:42,556 INFO L226 Difference]: Without dead ends: 213311 [2024-11-13 15:24:42,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:24:42,617 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 886 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:42,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 625 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:24:42,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213311 states. [2024-11-13 15:24:46,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213311 to 199119. [2024-11-13 15:24:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199119 states, 199118 states have (on average 1.2952621058869616) internal successors, (257910), 199118 states have internal predecessors, (257910), 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) [2024-11-13 15:24:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199119 states to 199119 states and 257910 transitions. [2024-11-13 15:24:46,560 INFO L78 Accepts]: Start accepts. Automaton has 199119 states and 257910 transitions. Word has length 93 [2024-11-13 15:24:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:46,561 INFO L471 AbstractCegarLoop]: Abstraction has 199119 states and 257910 transitions. [2024-11-13 15:24:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 15:24:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 199119 states and 257910 transitions. [2024-11-13 15:24:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 15:24:46,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:46,568 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:46,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 15:24:46,568 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:46,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:46,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1567663160, now seen corresponding path program 1 times [2024-11-13 15:24:46,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:46,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017592715] [2024-11-13 15:24:46,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:46,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:46,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:46,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017592715] [2024-11-13 15:24:46,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017592715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:46,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:46,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:46,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971355693] [2024-11-13 15:24:46,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:46,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:46,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:46,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:46,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:46,670 INFO L87 Difference]: Start difference. First operand 199119 states and 257910 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-13 15:24:48,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:48,147 INFO L93 Difference]: Finished difference Result 247363 states and 319730 transitions. [2024-11-13 15:24:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:48,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2024-11-13 15:24:48,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:48,364 INFO L225 Difference]: With dead ends: 247363 [2024-11-13 15:24:48,364 INFO L226 Difference]: Without dead ends: 150843 [2024-11-13 15:24:48,417 INFO L431 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 [2024-11-13 15:24:48,417 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 165 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:48,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 778 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:24:48,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150843 states. [2024-11-13 15:24:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150843 to 150224. [2024-11-13 15:24:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150224 states, 150223 states have (on average 1.280389820466906) internal successors, (192344), 150223 states have internal predecessors, (192344), 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) [2024-11-13 15:24:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150224 states to 150224 states and 192344 transitions. [2024-11-13 15:24:51,301 INFO L78 Accepts]: Start accepts. Automaton has 150224 states and 192344 transitions. Word has length 93 [2024-11-13 15:24:51,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:51,301 INFO L471 AbstractCegarLoop]: Abstraction has 150224 states and 192344 transitions. [2024-11-13 15:24:51,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-13 15:24:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 150224 states and 192344 transitions. [2024-11-13 15:24:51,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 15:24:51,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:51,308 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:51,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 15:24:51,308 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:51,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:51,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1199099763, now seen corresponding path program 1 times [2024-11-13 15:24:51,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:51,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948560552] [2024-11-13 15:24:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:51,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:51,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:51,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948560552] [2024-11-13 15:24:51,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948560552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:51,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:51,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:24:51,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777303779] [2024-11-13 15:24:51,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:51,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:24:51,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:51,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:24:51,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:24:51,472 INFO L87 Difference]: Start difference. First operand 150224 states and 192344 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 15:24:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:52,872 INFO L93 Difference]: Finished difference Result 344469 states and 439839 transitions. [2024-11-13 15:24:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:24:52,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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 93 [2024-11-13 15:24:52,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:53,774 INFO L225 Difference]: With dead ends: 344469 [2024-11-13 15:24:53,774 INFO L226 Difference]: Without dead ends: 194883 [2024-11-13 15:24:53,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:24:53,823 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 792 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:53,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 730 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:24:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194883 states. [2024-11-13 15:24:55,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194883 to 160729. [2024-11-13 15:24:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160729 states, 160728 states have (on average 1.245103528943308) internal successors, (200123), 160728 states have internal predecessors, (200123), 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) [2024-11-13 15:24:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160729 states to 160729 states and 200123 transitions. [2024-11-13 15:24:56,779 INFO L78 Accepts]: Start accepts. Automaton has 160729 states and 200123 transitions. Word has length 93 [2024-11-13 15:24:56,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:56,779 INFO L471 AbstractCegarLoop]: Abstraction has 160729 states and 200123 transitions. [2024-11-13 15:24:56,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 15:24:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 160729 states and 200123 transitions. [2024-11-13 15:24:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 15:24:56,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:56,783 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:56,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 15:24:56,783 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:56,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:56,786 INFO L85 PathProgramCache]: Analyzing trace with hash -950976744, now seen corresponding path program 1 times [2024-11-13 15:24:56,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:56,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370775747] [2024-11-13 15:24:56,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:24:56,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:56,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370775747] [2024-11-13 15:24:56,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370775747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:56,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:56,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:56,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441892935] [2024-11-13 15:24:56,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:56,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:56,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:56,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:56,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:56,872 INFO L87 Difference]: Start difference. First operand 160729 states and 200123 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2024-11-13 15:24:57,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:24:57,464 INFO L93 Difference]: Finished difference Result 201869 states and 250853 transitions. [2024-11-13 15:24:57,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:24:57,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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 94 [2024-11-13 15:24:57,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:24:57,619 INFO L225 Difference]: With dead ends: 201869 [2024-11-13 15:24:57,619 INFO L226 Difference]: Without dead ends: 110527 [2024-11-13 15:24:57,668 INFO L431 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 [2024-11-13 15:24:57,668 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 167 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:24:57,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 768 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:24:57,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110527 states. [2024-11-13 15:24:59,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110527 to 106333. [2024-11-13 15:24:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106333 states, 106332 states have (on average 1.2308524244818118) internal successors, (130879), 106332 states have internal predecessors, (130879), 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) [2024-11-13 15:24:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106333 states to 106333 states and 130879 transitions. [2024-11-13 15:24:59,865 INFO L78 Accepts]: Start accepts. Automaton has 106333 states and 130879 transitions. Word has length 94 [2024-11-13 15:24:59,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:24:59,866 INFO L471 AbstractCegarLoop]: Abstraction has 106333 states and 130879 transitions. [2024-11-13 15:24:59,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2024-11-13 15:24:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 106333 states and 130879 transitions. [2024-11-13 15:24:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 15:24:59,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:24:59,871 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:24:59,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 15:24:59,872 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:24:59,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:24:59,872 INFO L85 PathProgramCache]: Analyzing trace with hash 299940606, now seen corresponding path program 1 times [2024-11-13 15:24:59,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:24:59,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510934872] [2024-11-13 15:24:59,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:24:59,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:24:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:24:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:24:59,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:24:59,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510934872] [2024-11-13 15:24:59,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510934872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:24:59,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:24:59,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:24:59,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435160621] [2024-11-13 15:24:59,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:24:59,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:24:59,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:24:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:24:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:24:59,997 INFO L87 Difference]: Start difference. First operand 106333 states and 130879 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2024-11-13 15:25:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:01,291 INFO L93 Difference]: Finished difference Result 139096 states and 171049 transitions. [2024-11-13 15:25:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:01,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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 96 [2024-11-13 15:25:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:01,363 INFO L225 Difference]: With dead ends: 139096 [2024-11-13 15:25:01,363 INFO L226 Difference]: Without dead ends: 73032 [2024-11-13 15:25:01,380 INFO L431 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 [2024-11-13 15:25:01,380 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 139 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:01,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 773 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:25:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73032 states. [2024-11-13 15:25:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73032 to 72712. [2024-11-13 15:25:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72712 states, 72711 states have (on average 1.210284551168324) internal successors, (88001), 72711 states have internal predecessors, (88001), 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) [2024-11-13 15:25:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72712 states to 72712 states and 88001 transitions. [2024-11-13 15:25:02,082 INFO L78 Accepts]: Start accepts. Automaton has 72712 states and 88001 transitions. Word has length 96 [2024-11-13 15:25:02,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:02,082 INFO L471 AbstractCegarLoop]: Abstraction has 72712 states and 88001 transitions. [2024-11-13 15:25:02,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 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) [2024-11-13 15:25:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 72712 states and 88001 transitions. [2024-11-13 15:25:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 15:25:02,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:02,088 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:25:02,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 15:25:02,089 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:25:02,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1658214033, now seen corresponding path program 1 times [2024-11-13 15:25:02,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:02,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198842409] [2024-11-13 15:25:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:02,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:02,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198842409] [2024-11-13 15:25:02,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198842409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:25:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413831112] [2024-11-13 15:25:02,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:02,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:25:02,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:02,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:25:02,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:25:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:02,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:25:02,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:25:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:03,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:25:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:25:03,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413831112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:25:03,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:25:03,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-13 15:25:03,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179461393] [2024-11-13 15:25:03,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:25:03,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:25:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:03,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:25:03,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:25:03,833 INFO L87 Difference]: Start difference. First operand 72712 states and 88001 transitions. Second operand has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 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) [2024-11-13 15:25:04,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:04,948 INFO L93 Difference]: Finished difference Result 144219 states and 174214 transitions. [2024-11-13 15:25:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:25:04,949 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 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 96 [2024-11-13 15:25:04,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:05,030 INFO L225 Difference]: With dead ends: 144219 [2024-11-13 15:25:05,030 INFO L226 Difference]: Without dead ends: 71966 [2024-11-13 15:25:05,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:25:05,064 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 2200 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:05,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 998 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:25:05,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71966 states. [2024-11-13 15:25:05,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71966 to 71014. [2024-11-13 15:25:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71014 states, 71013 states have (on average 1.1799248025009506) internal successors, (83790), 71013 states have internal predecessors, (83790), 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) [2024-11-13 15:25:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71014 states to 71014 states and 83790 transitions. [2024-11-13 15:25:06,265 INFO L78 Accepts]: Start accepts. Automaton has 71014 states and 83790 transitions. Word has length 96 [2024-11-13 15:25:06,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:06,265 INFO L471 AbstractCegarLoop]: Abstraction has 71014 states and 83790 transitions. [2024-11-13 15:25:06,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 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) [2024-11-13 15:25:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 71014 states and 83790 transitions. [2024-11-13 15:25:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 15:25:06,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:06,268 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:25:06,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:25:06,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc1969-ed36-44b5-807f-50e6bb285ba9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 15:25:06,469 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 15:25:06,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:06,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1617124220, now seen corresponding path program 1 times [2024-11-13 15:25:06,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:06,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813000118] [2024-11-13 15:25:06,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:06,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 15:25:06,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:06,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813000118] [2024-11-13 15:25:06,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813000118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:06,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:06,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:25:06,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954512190] [2024-11-13 15:25:06,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:06,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:25:06,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:06,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:25:06,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:25:06,549 INFO L87 Difference]: Start difference. First operand 71014 states and 83790 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2024-11-13 15:25:07,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:07,204 INFO L93 Difference]: Finished difference Result 143013 states and 169027 transitions. [2024-11-13 15:25:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:25:07,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 96 [2024-11-13 15:25:07,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:07,332 INFO L225 Difference]: With dead ends: 143013 [2024-11-13 15:25:07,332 INFO L226 Difference]: Without dead ends: 115593 [2024-11-13 15:25:07,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:25:07,364 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 305 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:07,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 828 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:25:07,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115593 states.