./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.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_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:24:20,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:24:20,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:24:20,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:24:20,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:24:20,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:24:20,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:24:20,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:24:20,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:24:20,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:24:20,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:24:20,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:24:20,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:24:20,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:24:20,838 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:24:20,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:24:20,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:24:20,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:24:20,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:24:20,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:24:20,840 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:24:20,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:24:20,841 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 -> 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 [2024-12-02 13:24:21,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:24:21,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:24:21,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:24:21,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:24:21,071 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:24:21,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-12-02 13:24:23,784 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/73f2324f6/40aac13393f44ab4aa732593439a44fa/FLAG2c3468d88 [2024-12-02 13:24:23,989 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:24:23,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-12-02 13:24:23,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/73f2324f6/40aac13393f44ab4aa732593439a44fa/FLAG2c3468d88 [2024-12-02 13:24:24,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/73f2324f6/40aac13393f44ab4aa732593439a44fa [2024-12-02 13:24:24,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:24:24,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:24:24,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:24:24,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:24:24,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:24:24,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d53927c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24, skipping insertion in model container [2024-12-02 13:24:24,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:24:24,495 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i[913,926] [2024-12-02 13:24:24,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:24:24,551 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:24:24,558 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i[913,926] [2024-12-02 13:24:24,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:24:24,597 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:24:24,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24 WrapperNode [2024-12-02 13:24:24,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:24:24,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:24:24,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:24:24,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:24:24,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,644 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2024-12-02 13:24:24,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:24:24,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:24:24,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:24:24,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:24:24,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,672 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 13:24:24,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:24:24,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:24:24,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:24:24,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:24:24,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (1/1) ... [2024-12-02 13:24:24,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:24:24,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:24:24,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:24:24,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:24:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:24:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:24:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:24:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:24:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:24:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:24:24,811 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:24:24,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:24:25,079 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-02 13:24:25,079 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:24:25,088 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:24:25,089 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:24:25,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:24:25 BoogieIcfgContainer [2024-12-02 13:24:25,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:24:25,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:24:25,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:24:25,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:24:25,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:24:24" (1/3) ... [2024-12-02 13:24:25,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d13e7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:24:25, skipping insertion in model container [2024-12-02 13:24:25,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:24" (2/3) ... [2024-12-02 13:24:25,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d13e7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:24:25, skipping insertion in model container [2024-12-02 13:24:25,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:24:25" (3/3) ... [2024-12-02 13:24:25,098 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-22.i [2024-12-02 13:24:25,113 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:24:25,115 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-22.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:24:25,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:24:25,176 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;@208f60af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:24:25,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:24:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 13:24:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:24:25,199 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:25,200 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:25,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:25,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:25,206 INFO L85 PathProgramCache]: Analyzing trace with hash -558053086, now seen corresponding path program 1 times [2024-12-02 13:24:25,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:24:25,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354194583] [2024-12-02 13:24:25,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:25,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:24:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 13:24:25,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:24:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354194583] [2024-12-02 13:24:25,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354194583] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:24:25,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850585043] [2024-12-02 13:24:25,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:24:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:24:25,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:24:25,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:24:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:25,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:24:25,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:24:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 13:24:25,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:24:25,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850585043] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:24:25,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:24:25,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:24:25,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934963568] [2024-12-02 13:24:25,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:24:25,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:24:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:24:25,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:24:25,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:24:25,642 INFO L87 Difference]: Start difference. First operand has 73 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 13:24:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:25,662 INFO L93 Difference]: Finished difference Result 139 states and 235 transitions. [2024-12-02 13:24:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:24:25,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2024-12-02 13:24:25,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:25,670 INFO L225 Difference]: With dead ends: 139 [2024-12-02 13:24:25,670 INFO L226 Difference]: Without dead ends: 69 [2024-12-02 13:24:25,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:24:25,674 INFO L435 NwaCegarLoop]: 101 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, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:25,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:24:25,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-02 13:24:25,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-12-02 13:24:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 13:24:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 101 transitions. [2024-12-02 13:24:25,710 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 101 transitions. Word has length 151 [2024-12-02 13:24:25,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:25,710 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 101 transitions. [2024-12-02 13:24:25,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 13:24:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2024-12-02 13:24:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:24:25,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:25,714 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:25,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:24:25,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:24:25,914 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:25,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:25,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1562030936, now seen corresponding path program 1 times [2024-12-02 13:24:25,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:24:25,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082372224] [2024-12-02 13:24:25,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:25,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:24:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 13:24:26,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:24:26,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082372224] [2024-12-02 13:24:26,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082372224] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:24:26,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:24:26,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:24:26,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126090461] [2024-12-02 13:24:26,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:24:26,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:24:26,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:24:26,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:24:26,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:24:26,397 INFO L87 Difference]: Start difference. First operand 69 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 13:24:26,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:26,532 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2024-12-02 13:24:26,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:24:26,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2024-12-02 13:24:26,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:26,535 INFO L225 Difference]: With dead ends: 135 [2024-12-02 13:24:26,535 INFO L226 Difference]: Without dead ends: 69 [2024-12-02 13:24:26,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:24:26,537 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 88 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:26,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 96 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:24:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-02 13:24:26,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-12-02 13:24:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 44 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 13:24:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2024-12-02 13:24:26,550 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 151 [2024-12-02 13:24:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:26,551 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2024-12-02 13:24:26,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 13:24:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2024-12-02 13:24:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:24:26,554 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:26,554 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:26,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:24:26,554 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:26,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash 738791654, now seen corresponding path program 1 times [2024-12-02 13:24:26,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:24:26,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145700640] [2024-12-02 13:24:26,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:26,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:24:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 13:24:27,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:24:27,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145700640] [2024-12-02 13:24:27,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145700640] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:24:27,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280268797] [2024-12-02 13:24:27,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:27,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:24:27,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:24:27,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:24:27,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:24:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:27,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 13:24:27,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:24:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 338 proven. 102 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-12-02 13:24:28,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:24:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 105 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-12-02 13:24:29,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280268797] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:24:29,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:24:29,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 24 [2024-12-02 13:24:29,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473663340] [2024-12-02 13:24:29,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:24:29,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:24:29,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:24:29,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:24:29,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:24:29,497 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 7 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 7 states have call predecessors, (69), 7 states have call successors, (69) [2024-12-02 13:24:31,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:31,317 INFO L93 Difference]: Finished difference Result 321 states and 450 transitions. [2024-12-02 13:24:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-02 13:24:31,317 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 7 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 7 states have call predecessors, (69), 7 states have call successors, (69) Word has length 151 [2024-12-02 13:24:31,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:31,321 INFO L225 Difference]: With dead ends: 321 [2024-12-02 13:24:31,321 INFO L226 Difference]: Without dead ends: 255 [2024-12-02 13:24:31,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=703, Invalid=2267, Unknown=0, NotChecked=0, Total=2970 [2024-12-02 13:24:31,324 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 526 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:31,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 820 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:24:31,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-12-02 13:24:31,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 190. [2024-12-02 13:24:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 113 states have (on average 1.168141592920354) internal successors, (132), 114 states have internal predecessors, (132), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-12-02 13:24:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 270 transitions. [2024-12-02 13:24:31,370 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 270 transitions. Word has length 151 [2024-12-02 13:24:31,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:31,371 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 270 transitions. [2024-12-02 13:24:31,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 7 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 7 states have call predecessors, (69), 7 states have call successors, (69) [2024-12-02 13:24:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 270 transitions. [2024-12-02 13:24:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:24:31,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:31,373 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:31,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:24:31,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:24:31,574 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:31,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:31,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1439856232, now seen corresponding path program 1 times [2024-12-02 13:24:31,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:24:31,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19359477] [2024-12-02 13:24:31,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:31,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:24:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:24:31,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:24:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:24:31,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:24:31,768 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:24:31,769 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:24:31,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:24:31,774 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 13:24:31,846 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:24:31,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:24:31 BoogieIcfgContainer [2024-12-02 13:24:31,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:24:31,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:24:31,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:24:31,850 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:24:31,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:24:25" (3/4) ... [2024-12-02 13:24:31,853 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:24:31,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:24:31,854 INFO L158 Benchmark]: Toolchain (without parser) took 7504.09ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 91.9MB in the beginning and 77.0MB in the end (delta: 14.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-12-02 13:24:31,855 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:24:31,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.64ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 77.0MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:24:31,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.40ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:24:31,855 INFO L158 Benchmark]: Boogie Preprocessor took 50.01ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 66.4MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:24:31,856 INFO L158 Benchmark]: RCFGBuilder took 393.70ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 44.3MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 13:24:31,856 INFO L158 Benchmark]: TraceAbstraction took 6758.05ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 43.8MB in the beginning and 77.0MB in the end (delta: -33.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-12-02 13:24:31,856 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 159.4MB. Free memory was 77.0MB in the beginning and 77.0MB in the end (delta: 19.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:24:31,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.64ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 77.0MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.40ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.01ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 66.4MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.70ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 44.3MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6758.05ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 43.8MB in the beginning and 77.0MB in the end (delta: -33.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 159.4MB. Free memory was 77.0MB in the beginning and 77.0MB in the end (delta: 19.6kB). 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 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int var_1_4 = 256; [L24] unsigned short int var_1_6 = 10000; [L25] unsigned short int var_1_7 = 10000; [L26] unsigned short int var_1_8 = 128; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_11 = 64; [L30] unsigned char var_1_12 = 16; [L31] unsigned short int var_1_13 = 256; [L32] unsigned short int var_1_17 = 4; [L33] double var_1_18 = 64.2; [L34] unsigned short int var_1_19 = 53045; [L35] double var_1_20 = 1.75; [L36] double var_1_21 = 50.35; [L37] double var_1_22 = 5.5; [L38] double var_1_23 = 7.125; [L39] unsigned long int var_1_24 = 50; [L40] unsigned long int var_1_25 = 1907531378; [L41] unsigned long int var_1_26 = 8; [L42] unsigned char var_1_27 = 0; [L43] unsigned long int last_1_var_1_24 = 50; [L44] unsigned char last_1_var_1_27 = 0; VAL [isInitial=0, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L133] isInitial = 1 [L134] FCALL initially() [L136] CALL updateLastVariables() [L125] last_1_var_1_24 = var_1_24 [L126] last_1_var_1_27 = var_1_27 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L136] RET updateLastVariables() [L137] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L88] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_6 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L91] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L93] var_1_7 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L94] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L95] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L95] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L96] var_1_8 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L98] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L98] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L99] var_1_9 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L100] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L101] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L101] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L104] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L104] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L105] var_1_12 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L107] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L107] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L108] var_1_18 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L109] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L110] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L110] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L111] var_1_19 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L112] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L113] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L113] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L114] var_1_21 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L115] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L116] var_1_22 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L117] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L118] var_1_23 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L119] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L120] var_1_25 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L121] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L122] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L122] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L137] RET updateVariables() [L138] CALL step() [L48] COND FALSE !(\read(last_1_var_1_27)) [L51] var_1_20 = var_1_22 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L53] COND TRUE (- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22))) [L54] var_1_27 = 0 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L56] EXPR var_1_8 << var_1_4 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L56] COND TRUE var_1_9 < (var_1_8 << var_1_4) [L57] var_1_10 = (var_1_11 + var_1_12) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L61] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L62] COND TRUE (var_1_10 <= var_1_10) || stepLocal_0 [L63] var_1_13 = ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L67] unsigned short int stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, stepLocal_1=16383, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L68] COND FALSE !(stepLocal_1 == last_1_var_1_24) [L71] var_1_24 = (var_1_10 + (var_1_25 - var_1_11)) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L73] signed long int stepLocal_2 = var_1_19 - var_1_7; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, stepLocal_2=32767, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L74] COND FALSE !(var_1_10 > stepLocal_2) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L77] COND TRUE var_1_20 < var_1_20 [L78] var_1_1 = ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L82] COND TRUE (var_1_20 / var_1_18) > var_1_20 [L83] var_1_17 = ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L129-L130] return ((((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_10 <= var_1_10) || var_1_27) ? (var_1_13 == ((unsigned short int) ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))))) : (var_1_13 == ((unsigned short int) var_1_10)))) && (((var_1_20 / var_1_18) > var_1_20) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7))) : 1)) && (last_1_var_1_27 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == last_1_var_1_24) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_10 + (var_1_25 - var_1_11)))))) && ((var_1_10 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_10)) : 1)) && (((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 615 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 614 mSDsluCounter, 1017 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 739 mSDsCounter, 408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 998 IncrementalHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 408 mSolverCounterUnsat, 278 mSDtfsCounter, 998 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 505 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=3, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 65 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 4304 SizeOfPredicates, 3 NumberOfNonLiveVariables, 685 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 5767/6072 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 13:24:31,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:24:33,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:24:33,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:24:33,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:24:33,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:24:33,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:24:33,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:24:33,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:24:33,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:24:33,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:24:33,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:24:33,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:24:33,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:24:33,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:24:33,892 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:24:33,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:24:33,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:24:33,894 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:24:33,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:24:33,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:24:33,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:24:33,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:24:33,896 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:24:33,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:24:33,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:24:33,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:24:33,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:24:33,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:24:33,896 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 -> 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 [2024-12-02 13:24:34,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:24:34,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:24:34,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:24:34,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:24:34,139 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:24:34,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-12-02 13:24:36,851 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/fc9634f71/e904a9017a19420e8f19def446586864/FLAGff0421f94 [2024-12-02 13:24:37,041 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:24:37,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-12-02 13:24:37,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/fc9634f71/e904a9017a19420e8f19def446586864/FLAGff0421f94 [2024-12-02 13:24:37,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/data/fc9634f71/e904a9017a19420e8f19def446586864 [2024-12-02 13:24:37,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:24:37,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:24:37,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:24:37,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:24:37,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:24:37,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aed8478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37, skipping insertion in model container [2024-12-02 13:24:37,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:24:37,511 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i[913,926] [2024-12-02 13:24:37,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:24:37,570 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:24:37,580 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_77a01188-bc9e-454f-89a5-e2a9c16f883f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i[913,926] [2024-12-02 13:24:37,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:24:37,617 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:24:37,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37 WrapperNode [2024-12-02 13:24:37,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:24:37,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:24:37,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:24:37,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:24:37,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,655 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-12-02 13:24:37,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:24:37,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:24:37,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:24:37,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:24:37,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,677 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 13:24:37,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,686 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:24:37,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:24:37,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:24:37,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:24:37,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (1/1) ... [2024-12-02 13:24:37,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:24:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:24:37,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:24:37,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:24:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:24:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:24:37,811 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:24:37,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:24:50,438 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 13:24:50,438 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:24:50,447 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:24:50,447 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:24:50,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:24:50 BoogieIcfgContainer [2024-12-02 13:24:50,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:24:50,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:24:50,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:24:50,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:24:50,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:24:37" (1/3) ... [2024-12-02 13:24:50,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:24:50, skipping insertion in model container [2024-12-02 13:24:50,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:24:37" (2/3) ... [2024-12-02 13:24:50,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:24:50, skipping insertion in model container [2024-12-02 13:24:50,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:24:50" (3/3) ... [2024-12-02 13:24:50,456 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-22.i [2024-12-02 13:24:50,466 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:24:50,467 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-22.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:24:50,508 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:24:50,517 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;@27fa842e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:24:50,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:24:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 13:24:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:24:50,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:50,533 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:50,533 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:50,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash 746383165, now seen corresponding path program 1 times [2024-12-02 13:24:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:24:50,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673443591] [2024-12-02 13:24:50,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:50,546 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 13:24:50,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:24:50,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:50,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:51,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:24:51,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:24:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-02 13:24:51,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:24:51,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:24:51,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673443591] [2024-12-02 13:24:51,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673443591] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:24:51,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:24:51,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:24:51,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384585163] [2024-12-02 13:24:51,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:24:51,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:24:51,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:24:51,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:24:51,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:24:51,498 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 13:24:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:51,530 INFO L93 Difference]: Finished difference Result 125 states and 215 transitions. [2024-12-02 13:24:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:24:51,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-12-02 13:24:51,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:51,538 INFO L225 Difference]: With dead ends: 125 [2024-12-02 13:24:51,538 INFO L226 Difference]: Without dead ends: 62 [2024-12-02 13:24:51,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:24:51,544 INFO L435 NwaCegarLoop]: 90 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, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:51,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:24:51,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-12-02 13:24:51,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-12-02 13:24:51,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 13:24:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-12-02 13:24:51,583 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 148 [2024-12-02 13:24:51,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:51,583 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-12-02 13:24:51,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 13:24:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-12-02 13:24:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:24:51,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:51,586 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:51,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:51,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:51,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:51,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:51,788 INFO L85 PathProgramCache]: Analyzing trace with hash 831553911, now seen corresponding path program 1 times [2024-12-02 13:24:51,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:24:51,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288807972] [2024-12-02 13:24:51,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:51,789 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 13:24:51,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:24:51,791 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:51,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:52,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:24:52,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:24:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 13:24:54,464 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:24:54,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:24:54,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288807972] [2024-12-02 13:24:54,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288807972] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:24:54,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:24:54,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:24:54,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949777718] [2024-12-02 13:24:54,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:24:54,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:24:54,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:24:54,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:24:54,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:24:54,468 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 13:24:58,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:24:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:24:58,866 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2024-12-02 13:24:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:24:58,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-12-02 13:24:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:24:58,926 INFO L225 Difference]: With dead ends: 121 [2024-12-02 13:24:58,926 INFO L226 Difference]: Without dead ends: 62 [2024-12-02 13:24:58,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:24:58,928 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:24:58,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 85 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 13:24:58,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-12-02 13:24:58,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-12-02 13:24:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 13:24:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2024-12-02 13:24:58,942 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 148 [2024-12-02 13:24:58,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:24:58,943 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2024-12-02 13:24:58,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 13:24:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-12-02 13:24:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:24:58,946 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:24:58,946 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:24:58,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:59,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:59,146 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:24:59,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:24:59,147 INFO L85 PathProgramCache]: Analyzing trace with hash -448309767, now seen corresponding path program 1 times [2024-12-02 13:24:59,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:24:59,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114263977] [2024-12-02 13:24:59,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:24:59,147 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 13:24:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:24:59,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:59,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:24:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:24:59,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:24:59,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:25:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 338 proven. 102 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-12-02 13:25:05,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:25:07,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:25:07,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114263977] [2024-12-02 13:25:07,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114263977] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:25:07,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [664846549] [2024-12-02 13:25:07,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:25:07,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:25:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:25:07,353 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:25:07,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 13:25:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:25:08,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:25:08,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:25:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-12-02 13:25:12,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:25:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [664846549] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:25:13,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:25:13,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 11 [2024-12-02 13:25:13,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658015867] [2024-12-02 13:25:13,344 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:25:13,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:25:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:25:13,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:25:13,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:25:13,347 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 13:25:20,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:22,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:26,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:30,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:34,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:36,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:41,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:45,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:49,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:53,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:57,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:25:57,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:25:57,297 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-12-02 13:25:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:25:57,354 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 148 [2024-12-02 13:25:57,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:25:57,357 INFO L225 Difference]: With dead ends: 191 [2024-12-02 13:25:57,357 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 13:25:57,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=269, Invalid=601, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:25:57,359 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 70 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 67 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:25:57,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 319 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 211 Invalid, 9 Unknown, 0 Unchecked, 42.9s Time] [2024-12-02 13:25:57,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 13:25:57,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 119. [2024-12-02 13:25:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 68 states have internal predecessors, (76), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 13:25:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2024-12-02 13:25:57,385 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 148 [2024-12-02 13:25:57,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:25:57,385 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2024-12-02 13:25:57,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-12-02 13:25:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2024-12-02 13:25:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:25:57,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:25:57,388 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:25:57,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:25:57,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 13:25:57,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:25:57,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:25:57,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:25:57,789 INFO L85 PathProgramCache]: Analyzing trace with hash 231748603, now seen corresponding path program 1 times [2024-12-02 13:25:57,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:25:57,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643786100] [2024-12-02 13:25:57,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:25:57,790 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 13:25:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:25:57,791 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:25:57,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/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 13:25:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:25:58,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:25:58,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:26:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 620 proven. 114 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-12-02 13:26:02,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:26:03,277 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:26:03,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643786100] [2024-12-02 13:26:03,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643786100] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:26:03,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [918862108] [2024-12-02 13:26:03,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:26:03,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:26:03,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:26:03,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:26:03,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a01188-bc9e-454f-89a5-e2a9c16f883f/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process