./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:13:21,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:13:21,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:13:21,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:13:21,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:13:21,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:13:21,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:13:21,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:13:21,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:13:21,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:13:21,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:13:21,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:13:21,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:13:21,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:13:21,931 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:13:21,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:13:21,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:13:21,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:13:21,932 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:13:21,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:21,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:21,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:13:21,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:13:21,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:13:21,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:13:21,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:13:21,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:13:21,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:13:21,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:13:21,934 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_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2024-12-02 14:13:22,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:13:22,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:13:22,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:13:22,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:13:22,171 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:13:22,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-12-02 14:13:24,780 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/e06022e06/b9d451cfafb647c2b11657a875324752/FLAGe3695bf6a [2024-12-02 14:13:25,009 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:13:25,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-12-02 14:13:25,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/e06022e06/b9d451cfafb647c2b11657a875324752/FLAGe3695bf6a [2024-12-02 14:13:25,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/e06022e06/b9d451cfafb647c2b11657a875324752 [2024-12-02 14:13:25,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:13:25,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:13:25,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:13:25,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:13:25,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:13:25,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e87a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25, skipping insertion in model container [2024-12-02 14:13:25,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:13:25,509 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_b8247e2e-1c34-42c1-9353-7e66651ac38d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-12-02 14:13:25,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:13:25,574 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:13:25,584 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_b8247e2e-1c34-42c1-9353-7e66651ac38d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-12-02 14:13:25,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:13:25,624 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:13:25,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25 WrapperNode [2024-12-02 14:13:25,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:13:25,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:13:25,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:13:25,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:13:25,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,666 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2024-12-02 14:13:25,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:13:25,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:13:25,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:13:25,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:13:25,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,693 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:13:25,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:13:25,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:13:25,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:13:25,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:13:25,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (1/1) ... [2024-12-02 14:13:25,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:13:25,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:13:25,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:13:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:13:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:13:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:13:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:13:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:13:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:13:25,841 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:13:25,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:13:26,112 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 14:13:26,113 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:13:26,123 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:13:26,124 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:13:26,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:26 BoogieIcfgContainer [2024-12-02 14:13:26,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:13:26,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:13:26,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:13:26,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:13:26,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:13:25" (1/3) ... [2024-12-02 14:13:26,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253a4478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:26, skipping insertion in model container [2024-12-02 14:13:26,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:25" (2/3) ... [2024-12-02 14:13:26,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253a4478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:26, skipping insertion in model container [2024-12-02 14:13:26,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:26" (3/3) ... [2024-12-02 14:13:26,132 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-12-02 14:13:26,146 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:13:26,149 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:13:26,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:13:26,212 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;@12ae4a72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:13:26,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:13:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 14:13:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:26,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:26,226 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:26,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:26,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:26,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1132790254, now seen corresponding path program 1 times [2024-12-02 14:13:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:26,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561289968] [2024-12-02 14:13:26,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2024-12-02 14:13:26,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:26,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561289968] [2024-12-02 14:13:26,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561289968] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:13:26,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439025174] [2024-12-02 14:13:26,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:26,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:13:26,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:13:26,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:13:26,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:13:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:26,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:13:26,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:13:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2024-12-02 14:13:26,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:13:26,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439025174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:26,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:13:26,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:13:26,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283500840] [2024-12-02 14:13:26,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:26,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:13:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:26,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:13:26,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:13:26,763 INFO L87 Difference]: Start difference. First operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:13:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:26,789 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2024-12-02 14:13:26,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:13:26,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-12-02 14:13:26,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:26,796 INFO L225 Difference]: With dead ends: 167 [2024-12-02 14:13:26,796 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 14:13:26,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:13:26,800 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:26,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:26,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 14:13:26,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 14:13:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 14:13:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2024-12-02 14:13:26,840 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 204 [2024-12-02 14:13:26,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:26,840 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2024-12-02 14:13:26,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:13:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2024-12-02 14:13:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:26,844 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:26,844 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:26,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:13:27,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:13:27,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:27,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:27,046 INFO L85 PathProgramCache]: Analyzing trace with hash 569352048, now seen corresponding path program 1 times [2024-12-02 14:13:27,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:27,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984380934] [2024-12-02 14:13:27,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:27,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:27,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984380934] [2024-12-02 14:13:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984380934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:27,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:27,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:27,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371061603] [2024-12-02 14:13:27,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:27,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:27,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:27,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:27,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:27,272 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:27,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:27,343 INFO L93 Difference]: Finished difference Result 242 states and 379 transitions. [2024-12-02 14:13:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:27,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:27,347 INFO L225 Difference]: With dead ends: 242 [2024-12-02 14:13:27,347 INFO L226 Difference]: Without dead ends: 162 [2024-12-02 14:13:27,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:27,348 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 117 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:27,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 236 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-12-02 14:13:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2024-12-02 14:13:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-12-02 14:13:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-12-02 14:13:27,376 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 204 [2024-12-02 14:13:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:27,376 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-12-02 14:13:27,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-12-02 14:13:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:27,380 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:27,380 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:27,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:13:27,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:27,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1378698674, now seen corresponding path program 1 times [2024-12-02 14:13:27,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:27,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143844902] [2024-12-02 14:13:27,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:28,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143844902] [2024-12-02 14:13:28,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143844902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:28,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:28,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:13:28,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727245240] [2024-12-02 14:13:28,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:28,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:13:28,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:28,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:13:28,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:13:28,086 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:13:28,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:28,432 INFO L93 Difference]: Finished difference Result 381 states and 583 transitions. [2024-12-02 14:13:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:13:28,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-12-02 14:13:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:28,437 INFO L225 Difference]: With dead ends: 381 [2024-12-02 14:13:28,437 INFO L226 Difference]: Without dead ends: 224 [2024-12-02 14:13:28,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:13:28,440 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 146 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:28,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 210 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:13:28,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-12-02 14:13:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2024-12-02 14:13:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 137 states have internal predecessors, (175), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 14:13:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 331 transitions. [2024-12-02 14:13:28,485 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 331 transitions. Word has length 204 [2024-12-02 14:13:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:28,485 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 331 transitions. [2024-12-02 14:13:28,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:13:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 331 transitions. [2024-12-02 14:13:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:28,489 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:28,489 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:28,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:13:28,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:28,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1965504688, now seen corresponding path program 1 times [2024-12-02 14:13:28,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503935231] [2024-12-02 14:13:28,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:33,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503935231] [2024-12-02 14:13:33,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503935231] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:33,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:33,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:13:33,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772142249] [2024-12-02 14:13:33,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:33,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:13:33,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:33,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:13:33,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:13:33,228 INFO L87 Difference]: Start difference. First operand 218 states and 331 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:34,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:34,170 INFO L93 Difference]: Finished difference Result 289 states and 408 transitions. [2024-12-02 14:13:34,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:13:34,170 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:34,174 INFO L225 Difference]: With dead ends: 289 [2024-12-02 14:13:34,174 INFO L226 Difference]: Without dead ends: 287 [2024-12-02 14:13:34,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:13:34,175 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 166 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:34,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 695 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:13:34,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-12-02 14:13:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 235. [2024-12-02 14:13:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 152 states have internal predecessors, (193), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 14:13:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 349 transitions. [2024-12-02 14:13:34,210 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 349 transitions. Word has length 204 [2024-12-02 14:13:34,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:34,210 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 349 transitions. [2024-12-02 14:13:34,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 349 transitions. [2024-12-02 14:13:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:34,212 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:34,212 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:34,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:13:34,213 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:34,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:34,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1967351730, now seen corresponding path program 1 times [2024-12-02 14:13:34,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:34,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403196800] [2024-12-02 14:13:34,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:34,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:39,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:39,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403196800] [2024-12-02 14:13:39,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403196800] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:39,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:39,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:13:39,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551948177] [2024-12-02 14:13:39,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:39,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:13:39,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:39,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:13:39,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:13:39,472 INFO L87 Difference]: Start difference. First operand 235 states and 349 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:40,788 INFO L93 Difference]: Finished difference Result 287 states and 406 transitions. [2024-12-02 14:13:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:13:40,788 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:40,790 INFO L225 Difference]: With dead ends: 287 [2024-12-02 14:13:40,790 INFO L226 Difference]: Without dead ends: 285 [2024-12-02 14:13:40,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:13:40,791 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 141 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:40,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 814 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:13:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-12-02 14:13:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 235. [2024-12-02 14:13:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 152 states have internal predecessors, (193), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 14:13:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 349 transitions. [2024-12-02 14:13:40,820 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 349 transitions. Word has length 204 [2024-12-02 14:13:40,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:40,820 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 349 transitions. [2024-12-02 14:13:40,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 349 transitions. [2024-12-02 14:13:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:40,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:40,823 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:40,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:13:40,823 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:40,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:40,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1649404238, now seen corresponding path program 1 times [2024-12-02 14:13:40,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:40,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660407242] [2024-12-02 14:13:40,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:44,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:44,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660407242] [2024-12-02 14:13:44,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660407242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:44,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:44,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:13:44,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439460277] [2024-12-02 14:13:44,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:44,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:13:44,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:44,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:13:44,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:13:44,696 INFO L87 Difference]: Start difference. First operand 235 states and 349 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:45,672 INFO L93 Difference]: Finished difference Result 294 states and 414 transitions. [2024-12-02 14:13:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:13:45,673 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:45,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:45,675 INFO L225 Difference]: With dead ends: 294 [2024-12-02 14:13:45,675 INFO L226 Difference]: Without dead ends: 292 [2024-12-02 14:13:45,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:13:45,676 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 166 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:45,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 706 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:13:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-12-02 14:13:45,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 239. [2024-12-02 14:13:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 154 states have (on average 1.2922077922077921) internal successors, (199), 156 states have internal predecessors, (199), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 14:13:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 355 transitions. [2024-12-02 14:13:45,703 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 355 transitions. Word has length 204 [2024-12-02 14:13:45,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:45,704 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 355 transitions. [2024-12-02 14:13:45,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 355 transitions. [2024-12-02 14:13:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:45,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:45,707 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:45,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:13:45,707 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:45,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:45,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1647557196, now seen corresponding path program 1 times [2024-12-02 14:13:45,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:45,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918279022] [2024-12-02 14:13:45,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:45,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:51,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:51,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918279022] [2024-12-02 14:13:51,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918279022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:51,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:51,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:13:51,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433399050] [2024-12-02 14:13:51,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:51,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:13:51,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:51,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:13:51,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:13:51,200 INFO L87 Difference]: Start difference. First operand 239 states and 355 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:52,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:52,390 INFO L93 Difference]: Finished difference Result 292 states and 412 transitions. [2024-12-02 14:13:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:13:52,391 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:52,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:52,393 INFO L225 Difference]: With dead ends: 292 [2024-12-02 14:13:52,393 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 14:13:52,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:13:52,394 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 121 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:52,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1081 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:13:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 14:13:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 235. [2024-12-02 14:13:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 152 states have internal predecessors, (193), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 14:13:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 349 transitions. [2024-12-02 14:13:52,409 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 349 transitions. Word has length 204 [2024-12-02 14:13:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:52,409 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 349 transitions. [2024-12-02 14:13:52,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 349 transitions. [2024-12-02 14:13:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:52,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:52,410 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:52,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:13:52,411 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:52,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:52,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1414323500, now seen corresponding path program 1 times [2024-12-02 14:13:52,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:52,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358914652] [2024-12-02 14:13:52,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:52,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:52,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:52,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358914652] [2024-12-02 14:13:52,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358914652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:52,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:52,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:13:52,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656369970] [2024-12-02 14:13:52,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:52,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:13:52,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:52,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:13:52,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:13:52,498 INFO L87 Difference]: Start difference. First operand 235 states and 349 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:52,761 INFO L93 Difference]: Finished difference Result 766 states and 1128 transitions. [2024-12-02 14:13:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:13:52,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:52,766 INFO L225 Difference]: With dead ends: 766 [2024-12-02 14:13:52,766 INFO L226 Difference]: Without dead ends: 534 [2024-12-02 14:13:52,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:13:52,768 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 96 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:52,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 390 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:13:52,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-12-02 14:13:52,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 481. [2024-12-02 14:13:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 302 states have (on average 1.281456953642384) internal successors, (387), 308 states have internal predecessors, (387), 164 states have call successors, (164), 14 states have call predecessors, (164), 14 states have return successors, (164), 158 states have call predecessors, (164), 164 states have call successors, (164) [2024-12-02 14:13:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 715 transitions. [2024-12-02 14:13:52,825 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 715 transitions. Word has length 204 [2024-12-02 14:13:52,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:52,825 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 715 transitions. [2024-12-02 14:13:52,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 715 transitions. [2024-12-02 14:13:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:52,827 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:52,827 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:52,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:13:52,827 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:52,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:52,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2071297170, now seen corresponding path program 1 times [2024-12-02 14:13:52,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:52,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636602210] [2024-12-02 14:13:52,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:52,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:52,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636602210] [2024-12-02 14:13:52,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636602210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:52,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:52,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:13:52,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680373202] [2024-12-02 14:13:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:52,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:13:52,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:52,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:13:52,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:52,873 INFO L87 Difference]: Start difference. First operand 481 states and 715 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:52,926 INFO L93 Difference]: Finished difference Result 924 states and 1379 transitions. [2024-12-02 14:13:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:13:52,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:52,930 INFO L225 Difference]: With dead ends: 924 [2024-12-02 14:13:52,930 INFO L226 Difference]: Without dead ends: 446 [2024-12-02 14:13:52,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:13:52,932 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 116 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:52,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 351 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:13:52,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-12-02 14:13:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 440. [2024-12-02 14:13:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 273 states have (on average 1.216117216117216) internal successors, (332), 277 states have internal predecessors, (332), 154 states have call successors, (154), 12 states have call predecessors, (154), 12 states have return successors, (154), 150 states have call predecessors, (154), 154 states have call successors, (154) [2024-12-02 14:13:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 640 transitions. [2024-12-02 14:13:52,989 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 640 transitions. Word has length 204 [2024-12-02 14:13:52,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:52,990 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 640 transitions. [2024-12-02 14:13:52,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 640 transitions. [2024-12-02 14:13:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:52,991 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:52,992 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:52,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:13:52,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:52,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:52,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2094381870, now seen corresponding path program 1 times [2024-12-02 14:13:52,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:52,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376120362] [2024-12-02 14:13:52,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:55,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:55,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376120362] [2024-12-02 14:13:55,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376120362] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:55,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:55,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:13:55,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094037156] [2024-12-02 14:13:55,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:55,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:13:55,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:55,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:13:55,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:13:55,191 INFO L87 Difference]: Start difference. First operand 440 states and 640 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:13:56,208 INFO L93 Difference]: Finished difference Result 522 states and 729 transitions. [2024-12-02 14:13:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:13:56,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:13:56,212 INFO L225 Difference]: With dead ends: 522 [2024-12-02 14:13:56,212 INFO L226 Difference]: Without dead ends: 520 [2024-12-02 14:13:56,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:13:56,213 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 226 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:13:56,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 708 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:13:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-12-02 14:13:56,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 467. [2024-12-02 14:13:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 297 states have (on average 1.2154882154882154) internal successors, (361), 302 states have internal predecessors, (361), 156 states have call successors, (156), 13 states have call predecessors, (156), 13 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-12-02 14:13:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 673 transitions. [2024-12-02 14:13:56,271 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 673 transitions. Word has length 204 [2024-12-02 14:13:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:13:56,272 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 673 transitions. [2024-12-02 14:13:56,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:13:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 673 transitions. [2024-12-02 14:13:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:13:56,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:13:56,274 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:56,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:13:56,274 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:13:56,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:56,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2096228912, now seen corresponding path program 1 times [2024-12-02 14:13:56,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:56,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059170493] [2024-12-02 14:13:56,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:56,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:13:59,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059170493] [2024-12-02 14:13:59,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059170493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:59,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:59,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:13:59,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897040950] [2024-12-02 14:13:59,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:59,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:13:59,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:59,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:13:59,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:13:59,439 INFO L87 Difference]: Start difference. First operand 467 states and 673 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:14:01,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-02 14:14:02,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:02,876 INFO L93 Difference]: Finished difference Result 520 states and 727 transitions. [2024-12-02 14:14:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:14:02,877 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:14:02,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:02,880 INFO L225 Difference]: With dead ends: 520 [2024-12-02 14:14:02,880 INFO L226 Difference]: Without dead ends: 518 [2024-12-02 14:14:02,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:14:02,881 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 265 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:02,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 705 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 14:14:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-12-02 14:14:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 467. [2024-12-02 14:14:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 297 states have (on average 1.2154882154882154) internal successors, (361), 302 states have internal predecessors, (361), 156 states have call successors, (156), 13 states have call predecessors, (156), 13 states have return successors, (156), 151 states have call predecessors, (156), 156 states have call successors, (156) [2024-12-02 14:14:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 673 transitions. [2024-12-02 14:14:02,939 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 673 transitions. Word has length 204 [2024-12-02 14:14:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:02,939 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 673 transitions. [2024-12-02 14:14:02,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:14:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 673 transitions. [2024-12-02 14:14:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:14:02,941 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:02,941 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:02,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:14:02,941 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:02,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:02,942 INFO L85 PathProgramCache]: Analyzing trace with hash -730345455, now seen corresponding path program 1 times [2024-12-02 14:14:02,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360858142] [2024-12-02 14:14:02,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:14:05,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:05,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360858142] [2024-12-02 14:14:05,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360858142] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:05,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:05,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:14:05,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344062066] [2024-12-02 14:14:05,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:05,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:14:05,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:05,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:14:05,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:14:05,821 INFO L87 Difference]: Start difference. First operand 467 states and 673 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:14:06,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:06,829 INFO L93 Difference]: Finished difference Result 667 states and 915 transitions. [2024-12-02 14:14:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:14:06,830 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:14:06,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:06,832 INFO L225 Difference]: With dead ends: 667 [2024-12-02 14:14:06,832 INFO L226 Difference]: Without dead ends: 665 [2024-12-02 14:14:06,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:14:06,833 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 243 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:06,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 938 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:14:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-12-02 14:14:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 475. [2024-12-02 14:14:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 307 states have (on average 1.221498371335505) internal successors, (375), 311 states have internal predecessors, (375), 152 states have call successors, (152), 15 states have call predecessors, (152), 15 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:14:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 679 transitions. [2024-12-02 14:14:06,893 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 679 transitions. Word has length 205 [2024-12-02 14:14:06,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:06,893 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 679 transitions. [2024-12-02 14:14:06,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:14:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 679 transitions. [2024-12-02 14:14:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:14:06,894 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:06,895 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:06,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:14:06,895 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:06,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash -728498413, now seen corresponding path program 1 times [2024-12-02 14:14:06,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:06,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57253994] [2024-12-02 14:14:06,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:06,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:14:14,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:14,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57253994] [2024-12-02 14:14:14,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57253994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:14,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:14,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:14:14,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840414852] [2024-12-02 14:14:14,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:14,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:14:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:14,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:14:14,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:14:14,851 INFO L87 Difference]: Start difference. First operand 475 states and 679 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:14:18,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:18,777 INFO L93 Difference]: Finished difference Result 628 states and 867 transitions. [2024-12-02 14:14:18,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 14:14:18,778 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2024-12-02 14:14:18,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:18,780 INFO L225 Difference]: With dead ends: 628 [2024-12-02 14:14:18,780 INFO L226 Difference]: Without dead ends: 626 [2024-12-02 14:14:18,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=255, Invalid=737, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:14:18,781 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 319 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:18,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 778 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:14:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-12-02 14:14:18,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 475. [2024-12-02 14:14:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 307 states have (on average 1.221498371335505) internal successors, (375), 311 states have internal predecessors, (375), 152 states have call successors, (152), 15 states have call predecessors, (152), 15 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:14:18,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 679 transitions. [2024-12-02 14:14:18,821 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 679 transitions. Word has length 205 [2024-12-02 14:14:18,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:18,821 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 679 transitions. [2024-12-02 14:14:18,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:14:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 679 transitions. [2024-12-02 14:14:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:14:18,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:18,822 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:18,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:14:18,823 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:18,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash -50287085, now seen corresponding path program 1 times [2024-12-02 14:14:18,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:18,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62833261] [2024-12-02 14:14:18,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:14:22,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:22,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62833261] [2024-12-02 14:14:22,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62833261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:22,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:14:22,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987563960] [2024-12-02 14:14:22,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:22,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:14:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:22,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:14:22,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:14:22,241 INFO L87 Difference]: Start difference. First operand 475 states and 679 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:14:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:23,113 INFO L93 Difference]: Finished difference Result 635 states and 875 transitions. [2024-12-02 14:14:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:14:23,114 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:14:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:23,117 INFO L225 Difference]: With dead ends: 635 [2024-12-02 14:14:23,117 INFO L226 Difference]: Without dead ends: 633 [2024-12-02 14:14:23,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:14:23,118 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 267 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:23,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 755 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:14:23,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-12-02 14:14:23,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 479. [2024-12-02 14:14:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 311 states have (on average 1.22508038585209) internal successors, (381), 315 states have internal predecessors, (381), 152 states have call successors, (152), 15 states have call predecessors, (152), 15 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:14:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 685 transitions. [2024-12-02 14:14:23,188 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 685 transitions. Word has length 205 [2024-12-02 14:14:23,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:23,188 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 685 transitions. [2024-12-02 14:14:23,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:14:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 685 transitions. [2024-12-02 14:14:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:14:23,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:23,190 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:23,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:14:23,190 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:23,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:23,190 INFO L85 PathProgramCache]: Analyzing trace with hash -48440043, now seen corresponding path program 1 times [2024-12-02 14:14:23,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:23,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255900048] [2024-12-02 14:14:23,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:23,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:14:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:14:30,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:14:30,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255900048] [2024-12-02 14:14:30,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255900048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:14:30,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:14:30,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 14:14:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003412514] [2024-12-02 14:14:30,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:14:30,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 14:14:30,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:14:30,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 14:14:30,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:14:30,948 INFO L87 Difference]: Start difference. First operand 479 states and 685 transitions. Second operand has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 3 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 14:14:35,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:14:35,943 INFO L93 Difference]: Finished difference Result 649 states and 885 transitions. [2024-12-02 14:14:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 14:14:35,943 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 3 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 205 [2024-12-02 14:14:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:14:35,946 INFO L225 Difference]: With dead ends: 649 [2024-12-02 14:14:35,947 INFO L226 Difference]: Without dead ends: 647 [2024-12-02 14:14:35,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 14:14:35,948 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 390 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:14:35,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 786 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 14:14:35,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-12-02 14:14:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 487. [2024-12-02 14:14:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 316 states have (on average 1.2151898734177216) internal successors, (384), 320 states have internal predecessors, (384), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:14:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 688 transitions. [2024-12-02 14:14:36,027 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 688 transitions. Word has length 205 [2024-12-02 14:14:36,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:14:36,027 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 688 transitions. [2024-12-02 14:14:36,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 3 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 14:14:36,027 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 688 transitions. [2024-12-02 14:14:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:14:36,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:14:36,029 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:14:36,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:14:36,029 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:14:36,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:14:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash -143539441, now seen corresponding path program 1 times [2024-12-02 14:14:36,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:14:36,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587603315] [2024-12-02 14:14:36,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:14:36,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:14:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:00,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:00,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587603315] [2024-12-02 14:15:00,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587603315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:00,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:00,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:15:00,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676132932] [2024-12-02 14:15:00,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:00,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:15:00,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:00,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:15:00,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:15:00,293 INFO L87 Difference]: Start difference. First operand 487 states and 688 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:03,348 INFO L93 Difference]: Finished difference Result 720 states and 967 transitions. [2024-12-02 14:15:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:15:03,349 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:03,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:03,352 INFO L225 Difference]: With dead ends: 720 [2024-12-02 14:15:03,352 INFO L226 Difference]: Without dead ends: 718 [2024-12-02 14:15:03,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:15:03,353 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 224 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:03,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1128 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 14:15:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-12-02 14:15:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 501. [2024-12-02 14:15:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 334 states have internal predecessors, (406), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:15:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 710 transitions. [2024-12-02 14:15:03,419 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 710 transitions. Word has length 205 [2024-12-02 14:15:03,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:03,420 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 710 transitions. [2024-12-02 14:15:03,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 710 transitions. [2024-12-02 14:15:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:03,421 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:03,421 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:03,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:15:03,421 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash -141692399, now seen corresponding path program 1 times [2024-12-02 14:15:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:03,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749524390] [2024-12-02 14:15:03,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:07,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:07,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749524390] [2024-12-02 14:15:07,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749524390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:07,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:07,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:15:07,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516540170] [2024-12-02 14:15:07,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:07,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:15:07,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:07,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:15:07,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:15:07,815 INFO L87 Difference]: Start difference. First operand 501 states and 710 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:09,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:09,045 INFO L93 Difference]: Finished difference Result 656 states and 894 transitions. [2024-12-02 14:15:09,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:15:09,045 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:09,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:09,047 INFO L225 Difference]: With dead ends: 656 [2024-12-02 14:15:09,047 INFO L226 Difference]: Without dead ends: 654 [2024-12-02 14:15:09,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:15:09,048 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 258 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:09,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 809 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:15:09,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-12-02 14:15:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 501. [2024-12-02 14:15:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 334 states have internal predecessors, (406), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:15:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 710 transitions. [2024-12-02 14:15:09,127 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 710 transitions. Word has length 205 [2024-12-02 14:15:09,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:09,127 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 710 transitions. [2024-12-02 14:15:09,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 710 transitions. [2024-12-02 14:15:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:09,128 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:09,129 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:09,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:15:09,129 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:09,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash 536518929, now seen corresponding path program 1 times [2024-12-02 14:15:09,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:09,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390604435] [2024-12-02 14:15:09,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:38,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:38,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390604435] [2024-12-02 14:15:38,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390604435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:38,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:38,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:15:38,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434332433] [2024-12-02 14:15:38,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:38,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:15:38,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:38,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:15:38,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:15:38,585 INFO L87 Difference]: Start difference. First operand 501 states and 710 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:41,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:41,170 INFO L93 Difference]: Finished difference Result 725 states and 973 transitions. [2024-12-02 14:15:41,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:15:41,171 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:41,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:41,173 INFO L225 Difference]: With dead ends: 725 [2024-12-02 14:15:41,173 INFO L226 Difference]: Without dead ends: 723 [2024-12-02 14:15:41,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:15:41,174 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 225 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:41,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1254 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 14:15:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-12-02 14:15:41,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 503. [2024-12-02 14:15:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 332 states have (on average 1.2319277108433735) internal successors, (409), 336 states have internal predecessors, (409), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:15:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 713 transitions. [2024-12-02 14:15:41,221 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 713 transitions. Word has length 205 [2024-12-02 14:15:41,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:41,222 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 713 transitions. [2024-12-02 14:15:41,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 713 transitions. [2024-12-02 14:15:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:41,223 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:41,223 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:41,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:15:41,223 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:41,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:41,223 INFO L85 PathProgramCache]: Analyzing trace with hash 538365971, now seen corresponding path program 1 times [2024-12-02 14:15:41,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:41,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681377869] [2024-12-02 14:15:41,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:41,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:48,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:48,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681377869] [2024-12-02 14:15:48,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681377869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:48,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:48,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:15:48,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002964671] [2024-12-02 14:15:48,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:48,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:15:48,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:48,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:15:48,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:15:48,535 INFO L87 Difference]: Start difference. First operand 503 states and 713 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:50,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:50,728 INFO L93 Difference]: Finished difference Result 661 states and 900 transitions. [2024-12-02 14:15:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:15:50,729 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:50,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:50,733 INFO L225 Difference]: With dead ends: 661 [2024-12-02 14:15:50,733 INFO L226 Difference]: Without dead ends: 659 [2024-12-02 14:15:50,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:15:50,734 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 232 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:50,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1175 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:15:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-12-02 14:15:50,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 501. [2024-12-02 14:15:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 334 states have internal predecessors, (406), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:15:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 710 transitions. [2024-12-02 14:15:50,783 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 710 transitions. Word has length 205 [2024-12-02 14:15:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:50,783 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 710 transitions. [2024-12-02 14:15:50,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 710 transitions. [2024-12-02 14:15:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:50,784 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:50,784 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:50,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:15:50,784 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:50,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:50,784 INFO L85 PathProgramCache]: Analyzing trace with hash -14662259, now seen corresponding path program 1 times [2024-12-02 14:15:50,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:50,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445848315] [2024-12-02 14:15:50,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:50,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:50,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445848315] [2024-12-02 14:15:50,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445848315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:50,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:50,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:15:50,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154320999] [2024-12-02 14:15:50,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:50,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:15:50,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:50,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:15:50,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:15:50,858 INFO L87 Difference]: Start difference. First operand 501 states and 710 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:51,069 INFO L93 Difference]: Finished difference Result 957 states and 1345 transitions. [2024-12-02 14:15:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:15:51,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:51,072 INFO L225 Difference]: With dead ends: 957 [2024-12-02 14:15:51,072 INFO L226 Difference]: Without dead ends: 528 [2024-12-02 14:15:51,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:15:51,074 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 100 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:51,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 394 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:15:51,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-02 14:15:51,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 499. [2024-12-02 14:15:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 328 states have (on average 1.228658536585366) internal successors, (403), 332 states have internal predecessors, (403), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-12-02 14:15:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 707 transitions. [2024-12-02 14:15:51,141 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 707 transitions. Word has length 205 [2024-12-02 14:15:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:51,141 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 707 transitions. [2024-12-02 14:15:51,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 707 transitions. [2024-12-02 14:15:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:51,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:51,142 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:51,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:15:51,142 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:51,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2010209133, now seen corresponding path program 1 times [2024-12-02 14:15:51,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:51,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144821998] [2024-12-02 14:15:51,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:51,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:51,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:51,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144821998] [2024-12-02 14:15:51,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144821998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:51,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:51,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:15:51,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761152570] [2024-12-02 14:15:51,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:51,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:15:51,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:51,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:15:51,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:15:51,292 INFO L87 Difference]: Start difference. First operand 499 states and 707 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:51,540 INFO L93 Difference]: Finished difference Result 1163 states and 1628 transitions. [2024-12-02 14:15:51,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:15:51,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:51,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:51,544 INFO L225 Difference]: With dead ends: 1163 [2024-12-02 14:15:51,544 INFO L226 Difference]: Without dead ends: 734 [2024-12-02 14:15:51,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:15:51,546 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 128 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:51,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 428 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:15:51,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-12-02 14:15:51,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 591. [2024-12-02 14:15:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 384 states have (on average 1.2213541666666667) internal successors, (469), 388 states have internal predecessors, (469), 185 states have call successors, (185), 21 states have call predecessors, (185), 21 states have return successors, (185), 181 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 14:15:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 839 transitions. [2024-12-02 14:15:51,651 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 839 transitions. Word has length 205 [2024-12-02 14:15:51,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:51,651 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 839 transitions. [2024-12-02 14:15:51,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 839 transitions. [2024-12-02 14:15:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:51,653 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:51,653 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:51,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:15:51,653 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:51,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:51,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1872894707, now seen corresponding path program 1 times [2024-12-02 14:15:51,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:51,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005248298] [2024-12-02 14:15:51,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:51,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:15:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:15:55,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:15:55,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005248298] [2024-12-02 14:15:55,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005248298] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:15:55,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:15:55,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:15:55,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017618668] [2024-12-02 14:15:55,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:55,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:15:55,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:15:55,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:15:55,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:15:55,415 INFO L87 Difference]: Start difference. First operand 591 states and 839 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:57,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:15:57,247 INFO L93 Difference]: Finished difference Result 1131 states and 1589 transitions. [2024-12-02 14:15:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:15:57,247 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:15:57,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:15:57,252 INFO L225 Difference]: With dead ends: 1131 [2024-12-02 14:15:57,252 INFO L226 Difference]: Without dead ends: 1129 [2024-12-02 14:15:57,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:15:57,254 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 184 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:15:57,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 731 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:15:57,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-12-02 14:15:57,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1101. [2024-12-02 14:15:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 723 states have (on average 1.2268326417704012) internal successors, (887), 731 states have internal predecessors, (887), 337 states have call successors, (337), 40 states have call predecessors, (337), 40 states have return successors, (337), 329 states have call predecessors, (337), 337 states have call successors, (337) [2024-12-02 14:15:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1561 transitions. [2024-12-02 14:15:57,361 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1561 transitions. Word has length 205 [2024-12-02 14:15:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:15:57,361 INFO L471 AbstractCegarLoop]: Abstraction has 1101 states and 1561 transitions. [2024-12-02 14:15:57,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:15:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1561 transitions. [2024-12-02 14:15:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:15:57,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:15:57,362 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:15:57,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:15:57,363 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:15:57,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:15:57,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1871047665, now seen corresponding path program 1 times [2024-12-02 14:15:57,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:15:57,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039663710] [2024-12-02 14:15:57,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:15:57,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:15:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:16:00,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:16:00,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039663710] [2024-12-02 14:16:00,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039663710] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:16:00,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:16:00,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:16:00,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440410702] [2024-12-02 14:16:00,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:16:00,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:16:00,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:16:00,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:16:00,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:16:00,640 INFO L87 Difference]: Start difference. First operand 1101 states and 1561 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:03,193 INFO L93 Difference]: Finished difference Result 1129 states and 1587 transitions. [2024-12-02 14:16:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:16:03,193 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:16:03,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:03,197 INFO L225 Difference]: With dead ends: 1129 [2024-12-02 14:16:03,197 INFO L226 Difference]: Without dead ends: 1127 [2024-12-02 14:16:03,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:16:03,197 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 194 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:03,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 753 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 14:16:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-12-02 14:16:03,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1101. [2024-12-02 14:16:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 723 states have (on average 1.2268326417704012) internal successors, (887), 731 states have internal predecessors, (887), 337 states have call successors, (337), 40 states have call predecessors, (337), 40 states have return successors, (337), 329 states have call predecessors, (337), 337 states have call successors, (337) [2024-12-02 14:16:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1561 transitions. [2024-12-02 14:16:03,311 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1561 transitions. Word has length 205 [2024-12-02 14:16:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:03,312 INFO L471 AbstractCegarLoop]: Abstraction has 1101 states and 1561 transitions. [2024-12-02 14:16:03,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1561 transitions. [2024-12-02 14:16:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:16:03,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:03,313 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:03,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:16:03,313 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:03,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:03,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2029045579, now seen corresponding path program 1 times [2024-12-02 14:16:03,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:16:03,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369353373] [2024-12-02 14:16:03,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:16:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:16:07,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:16:07,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369353373] [2024-12-02 14:16:07,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369353373] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:16:07,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:16:07,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:16:07,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642712189] [2024-12-02 14:16:07,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:16:07,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:16:07,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:16:07,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:16:07,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:16:07,981 INFO L87 Difference]: Start difference. First operand 1101 states and 1561 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:09,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:09,361 INFO L93 Difference]: Finished difference Result 1129 states and 1587 transitions. [2024-12-02 14:16:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:16:09,362 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:16:09,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:09,365 INFO L225 Difference]: With dead ends: 1129 [2024-12-02 14:16:09,365 INFO L226 Difference]: Without dead ends: 1127 [2024-12-02 14:16:09,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:16:09,366 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 240 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:09,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 707 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:16:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-12-02 14:16:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1104. [2024-12-02 14:16:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 726 states have (on average 1.2272727272727273) internal successors, (891), 734 states have internal predecessors, (891), 337 states have call successors, (337), 40 states have call predecessors, (337), 40 states have return successors, (337), 329 states have call predecessors, (337), 337 states have call successors, (337) [2024-12-02 14:16:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1565 transitions. [2024-12-02 14:16:09,475 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1565 transitions. Word has length 205 [2024-12-02 14:16:09,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:09,476 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1565 transitions. [2024-12-02 14:16:09,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1565 transitions. [2024-12-02 14:16:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:16:09,477 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:09,477 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:09,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 14:16:09,477 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:09,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2030892621, now seen corresponding path program 1 times [2024-12-02 14:16:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:16:09,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557683381] [2024-12-02 14:16:09,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:16:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:16:14,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:16:14,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557683381] [2024-12-02 14:16:14,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557683381] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:16:14,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:16:14,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:16:14,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390471678] [2024-12-02 14:16:14,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:16:14,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:16:14,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:16:14,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:16:14,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:16:14,901 INFO L87 Difference]: Start difference. First operand 1104 states and 1565 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:17,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:17,555 INFO L93 Difference]: Finished difference Result 1127 states and 1585 transitions. [2024-12-02 14:16:17,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:16:17,556 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-12-02 14:16:17,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:17,559 INFO L225 Difference]: With dead ends: 1127 [2024-12-02 14:16:17,559 INFO L226 Difference]: Without dead ends: 1125 [2024-12-02 14:16:17,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:16:17,560 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 194 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:17,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 832 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 14:16:17,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-12-02 14:16:17,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1099. [2024-12-02 14:16:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 721 states have (on average 1.2260748959778085) internal successors, (884), 729 states have internal predecessors, (884), 337 states have call successors, (337), 40 states have call predecessors, (337), 40 states have return successors, (337), 329 states have call predecessors, (337), 337 states have call successors, (337) [2024-12-02 14:16:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1558 transitions. [2024-12-02 14:16:17,673 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1558 transitions. Word has length 205 [2024-12-02 14:16:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:17,674 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1558 transitions. [2024-12-02 14:16:17,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1558 transitions. [2024-12-02 14:16:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:16:17,676 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:17,676 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:17,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 14:16:17,676 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:17,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:17,677 INFO L85 PathProgramCache]: Analyzing trace with hash -77692890, now seen corresponding path program 1 times [2024-12-02 14:16:17,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:16:17,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074794101] [2024-12-02 14:16:17,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:17,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:16:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:16:17,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176351512] [2024-12-02 14:16:17,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:17,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:16:17,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:16:17,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:16:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:16:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:17,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 14:16:17,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 842 proven. 384 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-12-02 14:16:21,797 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:16:36,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:16:36,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074794101] [2024-12-02 14:16:36,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:16:36,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176351512] [2024-12-02 14:16:36,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176351512] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:16:36,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:16:36,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2024-12-02 14:16:36,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179561233] [2024-12-02 14:16:36,599 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 14:16:36,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 14:16:36,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:16:36,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 14:16:36,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=704, Unknown=2, NotChecked=0, Total=930 [2024-12-02 14:16:36,601 INFO L87 Difference]: Start difference. First operand 1099 states and 1558 transitions. Second operand has 25 states, 25 states have (on average 2.8) internal successors, (70), 24 states have internal predecessors, (70), 8 states have call successors, (33), 8 states have call predecessors, (33), 10 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) [2024-12-02 14:16:45,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:45,162 INFO L93 Difference]: Finished difference Result 2275 states and 2931 transitions. [2024-12-02 14:16:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-02 14:16:45,163 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.8) internal successors, (70), 24 states have internal predecessors, (70), 8 states have call successors, (33), 8 states have call predecessors, (33), 10 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) Word has length 205 [2024-12-02 14:16:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:45,170 INFO L225 Difference]: With dead ends: 2275 [2024-12-02 14:16:45,170 INFO L226 Difference]: Without dead ends: 1908 [2024-12-02 14:16:45,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=671, Invalid=2297, Unknown=2, NotChecked=0, Total=2970 [2024-12-02 14:16:45,172 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 214 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:45,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 629 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 14:16:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-12-02 14:16:45,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1419. [2024-12-02 14:16:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 972 states have (on average 1.1851851851851851) internal successors, (1152), 983 states have internal predecessors, (1152), 345 states have call successors, (345), 101 states have call predecessors, (345), 101 states have return successors, (345), 334 states have call predecessors, (345), 345 states have call successors, (345) [2024-12-02 14:16:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1842 transitions. [2024-12-02 14:16:45,419 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1842 transitions. Word has length 205 [2024-12-02 14:16:45,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:45,420 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 1842 transitions. [2024-12-02 14:16:45,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.8) internal successors, (70), 24 states have internal predecessors, (70), 8 states have call successors, (33), 8 states have call predecessors, (33), 10 states have return successors, (33), 6 states have call predecessors, (33), 8 states have call successors, (33) [2024-12-02 14:16:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1842 transitions. [2024-12-02 14:16:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 14:16:45,421 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:45,422 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:45,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:16:45,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-02 14:16:45,622 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:45,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:45,623 INFO L85 PathProgramCache]: Analyzing trace with hash -75845848, now seen corresponding path program 1 times [2024-12-02 14:16:45,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:16:45,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736736416] [2024-12-02 14:16:45,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:16:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:16:45,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181308946] [2024-12-02 14:16:45,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:45,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:16:45,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:16:45,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:16:45,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:16:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:16:45,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:16:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:16:45,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:16:45,952 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:16:45,953 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:16:45,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:16:46,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-02 14:16:46,158 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:46,265 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:16:46,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:16:46 BoogieIcfgContainer [2024-12-02 14:16:46,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:16:46,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:16:46,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:16:46,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:16:46,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:26" (3/4) ... [2024-12-02 14:16:46,271 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:16:46,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:16:46,272 INFO L158 Benchmark]: Toolchain (without parser) took 200910.56ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 116.2MB in the beginning and 456.5MB in the end (delta: -340.3MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.51ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 101.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.69ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 98.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: Boogie Preprocessor took 44.30ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 94.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: RCFGBuilder took 412.26ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 71.2MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: TraceAbstraction took 200142.02ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 70.4MB in the beginning and 456.6MB in the end (delta: -386.2MB). Peak memory consumption was 213.3MB. Max. memory is 16.1GB. [2024-12-02 14:16:46,273 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 729.8MB. Free memory was 456.6MB in the beginning and 456.5MB in the end (delta: 98.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:16:46,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.51ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 101.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.69ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 98.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.30ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 94.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.26ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 71.2MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 200142.02ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 70.4MB in the beginning and 456.6MB in the end (delta: -386.2MB). Peak memory consumption was 213.3MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 729.8MB. Free memory was 456.6MB in the beginning and 456.5MB in the end (delta: 98.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 169, overapproximation of someBinaryDOUBLEComparisonOperation at line 157. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned char var_1_23 = 1; [L41] signed long int var_1_24 = 5; [L42] signed long int var_1_25 = -128; [L43] unsigned long int var_1_26 = 10; [L44] unsigned long int var_1_27 = 5; [L45] signed long int var_1_28 = -10000; [L46] signed long int var_1_29 = 256; [L47] double var_1_30 = 2.75; [L48] double var_1_31 = 10.5; [L49] unsigned short int var_1_32 = 25; [L50] unsigned short int var_1_33 = 5; [L51] unsigned short int var_1_34 = 16; [L52] signed short int var_1_35 = 4; [L53] signed short int var_1_36 = 8; [L54] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L173] isInitial = 1 [L174] FCALL initially() [L176] CALL updateLastVariables() [L166] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L176] RET updateLastVariables() [L177] CALL updateVariables() [L114] var_1_3 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L115] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L116] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L116] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L117] var_1_4 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L118] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L119] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L119] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L120] var_1_6 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=2, var_1_8=256] [L121] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=2, var_1_8=256] [L122] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=2, var_1_8=256] [L122] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=2, var_1_8=256] [L123] var_1_7 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L124] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L125] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L125] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L126] var_1_10 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L127] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L128] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L128] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L129] var_1_11 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L130] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L131] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L131] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L132] var_1_14 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L133] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L134] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L134] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L135] var_1_20 = __VERIFIER_nondet_short() [L136] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L136] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L137] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L137] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L138] var_1_21 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L139] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L140] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L140] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L141] var_1_23 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L142] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L143] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L143] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L144] var_1_24 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_24 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L145] RET assume_abort_if_not(var_1_24 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L146] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L146] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L147] var_1_25 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_25 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L148] RET assume_abort_if_not(var_1_25 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L149] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L149] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L150] var_1_27 = __VERIFIER_nondet_ulong() [L151] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L151] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L152] CALL assume_abort_if_not(var_1_27 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L152] RET assume_abort_if_not(var_1_27 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L153] var_1_29 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_29 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L154] RET assume_abort_if_not(var_1_29 >= -2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L155] CALL assume_abort_if_not(var_1_29 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L155] RET assume_abort_if_not(var_1_29 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L156] var_1_31 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L157] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L158] var_1_33 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L159] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L160] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L161] var_1_36 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_36 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L162] RET assume_abort_if_not(var_1_36 >= -32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_36 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L163] RET assume_abort_if_not(var_1_36 <= 32766) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L177] RET updateVariables() [L178] CALL step() [L58] COND FALSE !(var_1_24 > var_1_25) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L63] var_1_26 = var_1_27 [L64] var_1_28 = var_1_29 [L65] var_1_30 = var_1_31 [L66] var_1_32 = var_1_33 [L67] var_1_34 = var_1_33 [L68] var_1_35 = var_1_36 [L69] signed char stepLocal_1 = var_1_6; [L70] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=62, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=256] [L71] COND FALSE !(-25 == stepLocal_1) [L76] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=49151] [L78] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=0, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=49151] [L79] COND TRUE var_1_8 >= stepLocal_2 [L80] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=49151] [L82] COND TRUE \read(var_1_12) [L83] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=49151] [L85] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/2, var_1_6=62, var_1_7=0, var_1_8=49151] [L86] COND TRUE \read(var_1_12) [L87] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L90] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=62, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L91] COND TRUE var_1_1 < stepLocal_4 [L92] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=62, var_1_19=25, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L96] COND TRUE \read(var_1_12) [L97] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L99] COND TRUE -64 > (var_1_6 + var_1_19) [L100] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L108] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=49152, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L109] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=62, var_1_19=-384, var_1_1=-1, var_1_20=446, var_1_21=446, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=62, var_1_5=33/4, var_1_6=62, var_1_7=0, var_1_8=49151] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 200.0s, OverallIterations: 27, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4984 SdHoareTripleChecker+Valid, 25.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4972 mSDsluCounter, 18122 SdHoareTripleChecker+Invalid, 23.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14384 mSDsCounter, 532 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12954 IncrementalHoareTripleChecker+Invalid, 13486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 532 mSolverCounterUnsat, 3738 mSDtfsCounter, 12954 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1022 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 415 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1523 ImplicationChecksByTransitivity, 54.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1419occurred in iteration=26, InterpolantAutomatonStates: 366, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 2548 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 148.3s InterpolantComputationTime, 6138 NumberOfCodeBlocks, 6138 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 5496 ConstructedInterpolants, 1 QuantifiedInterpolants, 43728 SizeOfPredicates, 9 NumberOfNonLiveVariables, 954 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 27 InterpolantComputations, 25 PerfectInterpolantSequences, 56576/57024 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:16:46,485 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 14:16:46,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:16:48,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:16:48,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:16:48,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:16:48,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:16:48,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:16:48,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:16:48,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:16:48,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:16:48,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:16:48,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:16:48,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:16:48,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:16:48,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:16:48,402 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:16:48,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:16:48,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:16:48,404 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:16:48,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:16:48,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:16:48,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:16:48,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:16:48,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:16:48,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:16:48,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:16:48,406 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_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2024-12-02 14:16:48,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:16:48,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:16:48,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:16:48,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:16:48,650 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:16:48,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-12-02 14:16:51,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/58bbf4fe0/b1e75df272b04ad69309533fa9b3273f/FLAG2d5fd2ab0 [2024-12-02 14:16:51,526 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:16:51,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-12-02 14:16:51,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/58bbf4fe0/b1e75df272b04ad69309533fa9b3273f/FLAG2d5fd2ab0 [2024-12-02 14:16:51,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/data/58bbf4fe0/b1e75df272b04ad69309533fa9b3273f [2024-12-02 14:16:51,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:16:51,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:16:51,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:16:51,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:16:51,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:16:51,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51, skipping insertion in model container [2024-12-02 14:16:51,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:16:51,682 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_b8247e2e-1c34-42c1-9353-7e66651ac38d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-12-02 14:16:51,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:16:51,751 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:16:51,760 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_b8247e2e-1c34-42c1-9353-7e66651ac38d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-12-02 14:16:51,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:16:51,807 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:16:51,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51 WrapperNode [2024-12-02 14:16:51,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:16:51,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:16:51,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:16:51,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:16:51,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,846 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-12-02 14:16:51,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:16:51,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:16:51,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:16:51,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:16:51,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,871 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:16:51,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,881 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:16:51,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:16:51,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:16:51,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:16:51,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (1/1) ... [2024-12-02 14:16:51,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:16:51,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:16:51,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:16:51,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:16:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:16:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:16:52,021 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:16:52,023 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:16:52,352 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 14:16:52,352 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:16:52,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:16:52,362 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:16:52,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:52 BoogieIcfgContainer [2024-12-02 14:16:52,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:16:52,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:16:52,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:16:52,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:16:52,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:16:51" (1/3) ... [2024-12-02 14:16:52,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497b27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:16:52, skipping insertion in model container [2024-12-02 14:16:52,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:51" (2/3) ... [2024-12-02 14:16:52,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497b27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:16:52, skipping insertion in model container [2024-12-02 14:16:52,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:52" (3/3) ... [2024-12-02 14:16:52,372 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-12-02 14:16:52,386 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:16:52,388 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:16:52,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:16:52,453 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;@a20685f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:16:52,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:16:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 14:16:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:16:52,468 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:52,468 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:52,469 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:52,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:52,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1132790254, now seen corresponding path program 1 times [2024-12-02 14:16:52,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:16:52,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006310440] [2024-12-02 14:16:52,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:16:52,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:16:52,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 14:16:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:52,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:16:52,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2024-12-02 14:16:52,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:16:52,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:16:52,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006310440] [2024-12-02 14:16:52,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006310440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:16:52,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:16:52,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:16:52,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612430164] [2024-12-02 14:16:52,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:16:52,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:16:52,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:16:52,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:16:52,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:16:52,827 INFO L87 Difference]: Start difference. First operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:16:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:52,855 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2024-12-02 14:16:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:16:52,856 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-12-02 14:16:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:52,862 INFO L225 Difference]: With dead ends: 167 [2024-12-02 14:16:52,862 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 14:16:52,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:16:52,868 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:52,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:16:52,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 14:16:52,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-12-02 14:16:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-12-02 14:16:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2024-12-02 14:16:52,906 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 204 [2024-12-02 14:16:52,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:52,906 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2024-12-02 14:16:52,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:16:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2024-12-02 14:16:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:16:52,911 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:52,911 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:52,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 14:16:53,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:53,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:53,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:53,113 INFO L85 PathProgramCache]: Analyzing trace with hash 569352048, now seen corresponding path program 1 times [2024-12-02 14:16:53,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:16:53,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485364292] [2024-12-02 14:16:53,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:53,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:16:53,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:16:53,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 14:16:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:53,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:16:53,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:16:53,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:16:53,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:16:53,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485364292] [2024-12-02 14:16:53,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485364292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:16:53,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:16:53,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:16:53,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212922561] [2024-12-02 14:16:53,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:16:53,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:16:53,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:16:53,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:16:53,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:16:53,799 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:53,888 INFO L93 Difference]: Finished difference Result 242 states and 379 transitions. [2024-12-02 14:16:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:16:53,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:16:53,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:53,892 INFO L225 Difference]: With dead ends: 242 [2024-12-02 14:16:53,892 INFO L226 Difference]: Without dead ends: 162 [2024-12-02 14:16:53,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:16:53,894 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 22 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:53,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 236 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:16:53,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-12-02 14:16:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2024-12-02 14:16:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-12-02 14:16:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-12-02 14:16:53,919 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 204 [2024-12-02 14:16:53,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:53,921 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-12-02 14:16:53,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-12-02 14:16:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:16:53,924 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:53,924 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:53,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 14:16:54,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:54,125 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:54,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:54,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1378698674, now seen corresponding path program 1 times [2024-12-02 14:16:54,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:16:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522247953] [2024-12-02 14:16:54,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:54,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:54,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:16:54,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:16:54,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:16:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:54,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 14:16:54,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 966 proven. 141 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-12-02 14:16:55,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:16:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 14:16:55,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:16:55,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522247953] [2024-12-02 14:16:55,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522247953] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:16:55,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:16:55,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-12-02 14:16:55,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606384374] [2024-12-02 14:16:55,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:16:55,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:16:55,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:16:55,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:16:55,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:16:55,358 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:55,758 INFO L93 Difference]: Finished difference Result 409 states and 633 transitions. [2024-12-02 14:16:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:16:55,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-12-02 14:16:55,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:55,761 INFO L225 Difference]: With dead ends: 409 [2024-12-02 14:16:55,762 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 14:16:55,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:16:55,763 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 79 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:55,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 250 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:16:55,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 14:16:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 205. [2024-12-02 14:16:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 124 states have internal predecessors, (157), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 14:16:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 313 transitions. [2024-12-02 14:16:55,802 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 313 transitions. Word has length 204 [2024-12-02 14:16:55,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:55,802 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 313 transitions. [2024-12-02 14:16:55,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-12-02 14:16:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 313 transitions. [2024-12-02 14:16:55,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:16:55,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:55,806 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:55,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 14:16:56,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:56,007 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:56,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1156158062, now seen corresponding path program 1 times [2024-12-02 14:16:56,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:16:56,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497944916] [2024-12-02 14:16:56,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:56,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:16:56,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:16:56,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:16:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:56,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:16:56,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1046 proven. 57 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2024-12-02 14:16:56,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:16:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-12-02 14:16:56,692 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:16:56,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497944916] [2024-12-02 14:16:56,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497944916] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:16:56,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:16:56,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-02 14:16:56,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056613395] [2024-12-02 14:16:56,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:16:56,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:16:56,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:16:56,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:16:56,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:16:56,695 INFO L87 Difference]: Start difference. First operand 205 states and 313 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 14:16:57,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:57,178 INFO L93 Difference]: Finished difference Result 334 states and 499 transitions. [2024-12-02 14:16:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:16:57,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 204 [2024-12-02 14:16:57,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:57,185 INFO L225 Difference]: With dead ends: 334 [2024-12-02 14:16:57,185 INFO L226 Difference]: Without dead ends: 223 [2024-12-02 14:16:57,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:16:57,187 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 228 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:57,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 176 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:16:57,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-02 14:16:57,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 116. [2024-12-02 14:16:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 74 states have internal predecessors, (88), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 14:16:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-12-02 14:16:57,207 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 204 [2024-12-02 14:16:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:57,207 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-12-02 14:16:57,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 14:16:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-12-02 14:16:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:16:57,209 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:57,209 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:57,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-12-02 14:16:57,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:57,410 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:57,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:57,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1965504688, now seen corresponding path program 1 times [2024-12-02 14:16:57,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:16:57,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957786981] [2024-12-02 14:16:57,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:57,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:57,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:16:57,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:16:57,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 14:16:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:57,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 14:16:57,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 931 proven. 213 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 14:16:59,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:17:03,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:17:03,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957786981] [2024-12-02 14:17:03,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957786981] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:17:03,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [634758449] [2024-12-02 14:17:03,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:17:03,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:17:03,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:17:03,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:17:03,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 14:17:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:17:03,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 14:17:03,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:17:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 913 proven. 207 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-12-02 14:17:12,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:17:19,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [634758449] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:17:19,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:17:19,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-12-02 14:17:19,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290327921] [2024-12-02 14:17:19,071 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:17:19,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 14:17:19,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:17:19,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 14:17:19,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=650, Unknown=1, NotChecked=0, Total=756 [2024-12-02 14:17:19,073 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 7 states have call successors, (61), 7 states have call predecessors, (61), 12 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2024-12-02 14:17:37,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:17:39,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:17:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:17:57,288 INFO L93 Difference]: Finished difference Result 317 states and 424 transitions. [2024-12-02 14:17:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 14:17:57,289 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 7 states have call successors, (61), 7 states have call predecessors, (61), 12 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) Word has length 204 [2024-12-02 14:17:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:17:57,291 INFO L225 Difference]: With dead ends: 317 [2024-12-02 14:17:57,291 INFO L226 Difference]: Without dead ends: 204 [2024-12-02 14:17:57,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=532, Invalid=2223, Unknown=1, NotChecked=0, Total=2756 [2024-12-02 14:17:57,293 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 192 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 110 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:17:57,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 610 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 992 Invalid, 1 Unknown, 0 Unchecked, 27.9s Time] [2024-12-02 14:17:57,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-12-02 14:17:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2024-12-02 14:17:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 127 states have internal predecessors, (141), 53 states have call successors, (53), 13 states have call predecessors, (53), 13 states have return successors, (53), 50 states have call predecessors, (53), 53 states have call successors, (53) [2024-12-02 14:17:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 247 transitions. [2024-12-02 14:17:57,321 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 247 transitions. Word has length 204 [2024-12-02 14:17:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:17:57,322 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 247 transitions. [2024-12-02 14:17:57,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.681818181818182) internal successors, (103), 22 states have internal predecessors, (103), 7 states have call successors, (61), 7 states have call predecessors, (61), 12 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2024-12-02 14:17:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2024-12-02 14:17:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 14:17:57,324 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:17:57,324 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:17:57,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 14:17:57,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 14:17:57,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 14:17:57,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:17:57,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:17:57,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1967351730, now seen corresponding path program 1 times [2024-12-02 14:17:57,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:17:57,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966395333] [2024-12-02 14:17:57,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:17:57,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:17:57,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:17:57,727 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:17:57,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8247e2e-1c34-42c1-9353-7e66651ac38d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 14:17:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:17:57,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 14:17:57,926 INFO L279 TraceCheckSpWp]: Computing forward predicates...