./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.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_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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_f41967ff-e4ca-40f2-999f-50cfd052313d/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 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:25:52,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:25:52,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:25:52,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:25:52,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:25:52,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:25:52,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:25:52,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:25:52,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:25:52,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:25:52,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:25:52,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:25:52,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:25:52,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:25:52,534 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:25:52,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:25:52,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:25:52,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:25:52,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:25:52,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:25:52,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:25:52,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:25:52,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:25:52,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:25:52,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:25:52,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:25:52,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:25:52,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:25:52,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:25:52,537 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_f41967ff-e4ca-40f2-999f-50cfd052313d/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 -> 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 [2024-12-02 06:25:52,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:25:52,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:25:52,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:25:52,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:25:52,817 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:25:52,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2024-12-02 06:25:55,517 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/b0c4509ee/af58893d8bcb435eb315ec9cb26c02df/FLAG3ae72ea3a [2024-12-02 06:25:55,741 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:25:55,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2024-12-02 06:25:55,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/b0c4509ee/af58893d8bcb435eb315ec9cb26c02df/FLAG3ae72ea3a [2024-12-02 06:25:55,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/b0c4509ee/af58893d8bcb435eb315ec9cb26c02df [2024-12-02 06:25:55,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:25:55,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:25:55,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:25:55,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:25:55,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:25:55,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:25:55" (1/1) ... [2024-12-02 06:25:55,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db8c1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:55, skipping insertion in model container [2024-12-02 06:25:55,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:25:55" (1/1) ... [2024-12-02 06:25:55,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:25:55,920 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_f41967ff-e4ca-40f2-999f-50cfd052313d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2024-12-02 06:25:55,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:25:55,977 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:25:55,987 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_f41967ff-e4ca-40f2-999f-50cfd052313d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2024-12-02 06:25:56,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:25:56,023 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:25:56,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56 WrapperNode [2024-12-02 06:25:56,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:25:56,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:25:56,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:25:56,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:25:56,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,069 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-12-02 06:25:56,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:25:56,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:25:56,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:25:56,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:25:56,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,099 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 06:25:56,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,106 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:25:56,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:25:56,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:25:56,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:25:56,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (1/1) ... [2024-12-02 06:25:56,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:25:56,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:25:56,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:25:56,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:25:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:25:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:25:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:25:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:25:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:25:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:25:56,261 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:25:56,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:25:56,560 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-02 06:25:56,560 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:25:56,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:25:56,571 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:25:56,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:56 BoogieIcfgContainer [2024-12-02 06:25:56,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:25:56,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:25:56,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:25:56,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:25:56,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:25:55" (1/3) ... [2024-12-02 06:25:56,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714f3c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:25:56, skipping insertion in model container [2024-12-02 06:25:56,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:56" (2/3) ... [2024-12-02 06:25:56,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714f3c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:25:56, skipping insertion in model container [2024-12-02 06:25:56,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:56" (3/3) ... [2024-12-02 06:25:56,581 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-43.i [2024-12-02 06:25:56,596 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:25:56,597 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-43.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:25:56,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:25:56,660 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;@7d423752, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:25:56,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:25:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:25:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:25:56,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:25:56,676 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:25:56,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:25:56,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:25:56,681 INFO L85 PathProgramCache]: Analyzing trace with hash 762234100, now seen corresponding path program 1 times [2024-12-02 06:25:56,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:25:56,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068192645] [2024-12-02 06:25:56,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:25:56,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:25:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:25:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:25:57,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:25:57,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068192645] [2024-12-02 06:25:57,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068192645] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:25:57,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618743367] [2024-12-02 06:25:57,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:25:57,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:25:57,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:25:57,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:25:57,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:25:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:25:57,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:25:57,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:25:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-12-02 06:25:57,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:25:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:25:57,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618743367] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:25:57,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:25:57,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-12-02 06:25:57,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475146475] [2024-12-02 06:25:57,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:25:57,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:25:57,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:25:57,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:25:57,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:25:57,871 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 06:25:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:25:58,113 INFO L93 Difference]: Finished difference Result 153 states and 251 transitions. [2024-12-02 06:25:58,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:25:58,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 133 [2024-12-02 06:25:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:25:58,121 INFO L225 Difference]: With dead ends: 153 [2024-12-02 06:25:58,122 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 06:25:58,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:25:58,127 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 209 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:25:58,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 172 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:25:58,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 06:25:58,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2024-12-02 06:25:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 54 states have internal predecessors, (69), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:25:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2024-12-02 06:25:58,168 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 133 [2024-12-02 06:25:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:25:58,169 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2024-12-02 06:25:58,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 06:25:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2024-12-02 06:25:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:25:58,174 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:25:58,174 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:25:58,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:25:58,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:25:58,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:25:58,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:25:58,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1706975839, now seen corresponding path program 1 times [2024-12-02 06:25:58,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:25:58,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690867038] [2024-12-02 06:25:58,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:25:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:25:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:25:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:25:58,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:25:58,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690867038] [2024-12-02 06:25:58,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690867038] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:25:58,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592422107] [2024-12-02 06:25:58,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:25:58,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:25:58,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:25:58,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:25:58,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:25:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:25:58,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:25:58,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:25:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-12-02 06:25:59,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:25:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:25:59,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592422107] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:25:59,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:25:59,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-12-02 06:25:59,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029385554] [2024-12-02 06:25:59,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:25:59,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:25:59,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:25:59,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:25:59,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:25:59,291 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-12-02 06:25:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:25:59,666 INFO L93 Difference]: Finished difference Result 155 states and 220 transitions. [2024-12-02 06:25:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:25:59,667 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 134 [2024-12-02 06:25:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:25:59,669 INFO L225 Difference]: With dead ends: 155 [2024-12-02 06:25:59,669 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 06:25:59,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:25:59,670 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 107 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:25:59,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 417 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:25:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 06:25:59,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2024-12-02 06:25:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 56 states have internal predecessors, (71), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:25:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2024-12-02 06:25:59,681 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 134 [2024-12-02 06:25:59,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:25:59,682 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2024-12-02 06:25:59,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 4 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-12-02 06:25:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2024-12-02 06:25:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:25:59,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:25:59,684 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:25:59,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:25:59,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:25:59,885 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:25:59,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:25:59,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1448810401, now seen corresponding path program 1 times [2024-12-02 06:25:59,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:25:59,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876120038] [2024-12-02 06:25:59,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:25:59,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:25:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:26:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:26:00,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:26:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876120038] [2024-12-02 06:26:00,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876120038] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:26:00,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:26:00,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:26:00,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029375212] [2024-12-02 06:26:00,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:26:00,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:26:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:26:00,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:26:00,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:26:00,276 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 06:26:00,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:26:00,529 INFO L93 Difference]: Finished difference Result 163 states and 226 transitions. [2024-12-02 06:26:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:26:00,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-12-02 06:26:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:26:00,532 INFO L225 Difference]: With dead ends: 163 [2024-12-02 06:26:00,532 INFO L226 Difference]: Without dead ends: 87 [2024-12-02 06:26:00,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:26:00,534 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 126 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:26:00,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 193 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:26:00,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-12-02 06:26:00,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-12-02 06:26:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:26:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2024-12-02 06:26:00,548 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 134 [2024-12-02 06:26:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:26:00,549 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2024-12-02 06:26:00,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 06:26:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2024-12-02 06:26:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:26:00,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:26:00,552 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:26:00,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:26:00,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:26:00,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:26:00,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1841837411, now seen corresponding path program 1 times [2024-12-02 06:26:00,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:26:00,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289602493] [2024-12-02 06:26:00,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:26:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:26:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 06:26:00,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:26:00,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289602493] [2024-12-02 06:26:00,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289602493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:26:00,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:26:00,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:26:00,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222107271] [2024-12-02 06:26:00,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:26:00,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:26:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:26:00,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:26:00,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:26:00,707 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 06:26:00,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:26:00,786 INFO L93 Difference]: Finished difference Result 228 states and 308 transitions. [2024-12-02 06:26:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:26:00,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-12-02 06:26:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:26:00,789 INFO L225 Difference]: With dead ends: 228 [2024-12-02 06:26:00,789 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 06:26:00,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:26:00,791 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 78 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:26:00,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 428 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:26:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 06:26:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 86. [2024-12-02 06:26:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:26:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2024-12-02 06:26:00,813 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 134 [2024-12-02 06:26:00,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:26:00,814 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2024-12-02 06:26:00,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 06:26:00,814 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2024-12-02 06:26:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:26:00,816 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:26:00,816 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:26:00,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:26:00,817 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:26:00,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:26:00,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1220979613, now seen corresponding path program 1 times [2024-12-02 06:26:00,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:26:00,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461672597] [2024-12-02 06:26:00,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:26:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 06:26:00,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456235081] [2024-12-02 06:26:00,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:00,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:26:00,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:26:00,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:26:00,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:26:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:26:00,970 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:26:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:26:01,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:26:01,071 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:26:01,072 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:26:01,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:26:01,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:26:01,276 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 06:26:01,341 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:26:01,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:26:01 BoogieIcfgContainer [2024-12-02 06:26:01,345 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:26:01,345 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:26:01,345 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:26:01,345 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:26:01,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:56" (3/4) ... [2024-12-02 06:26:01,348 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:26:01,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:26:01,350 INFO L158 Benchmark]: Toolchain (without parser) took 5581.69ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 117.1MB in the beginning and 245.3MB in the end (delta: -128.3MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-12-02 06:26:01,350 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:26:01,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.90ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.0MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:26:01,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:26:01,351 INFO L158 Benchmark]: Boogie Preprocessor took 47.05ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 98.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:26:01,351 INFO L158 Benchmark]: RCFGBuilder took 453.96ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 78.6MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 06:26:01,352 INFO L158 Benchmark]: TraceAbstraction took 4771.24ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 78.1MB in the beginning and 245.4MB in the end (delta: -167.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:26:01,352 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 302.0MB. Free memory was 245.4MB in the beginning and 245.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:26:01,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.90ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.0MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 101.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.05ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 98.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.96ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 78.6MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4771.24ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 78.1MB in the beginning and 245.4MB in the end (delta: -167.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 302.0MB. Free memory was 245.4MB in the beginning and 245.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] float var_1_2 = 4.5; [L24] float var_1_3 = 64.8; [L25] float var_1_4 = 64.4; [L26] float var_1_5 = 0.2; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; VAL [isInitial=0, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=9/2, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L112] isInitial = 1 [L113] FCALL initially() [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L73] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] var_1_3 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L76] var_1_4 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_5 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L79] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] var_1_7 = __VERIFIER_nondet_short() [L81] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L81] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L82] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L82] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L83] var_1_8 = __VERIFIER_nondet_short() [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L85] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L85] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=50] [L86] var_1_9 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L89] var_1_10 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L95] var_1_16 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L97] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L98] var_1_19 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L99] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L102] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L103] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L116] RET updateVariables() [L117] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L47] EXPR var_1_8 << var_1_10 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND FALSE !(var_1_14 >= stepLocal_2) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L59] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L69] var_1_17 = var_1_1 VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L108] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L108-L109] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_7=8191, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 530 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 520 mSDsluCounter, 1210 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 819 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 639 IncrementalHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 391 mSDtfsCounter, 639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 571 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=4, InterpolantAutomatonStates: 32, 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, 4 MinimizatonAttempts, 70 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1061 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847 SizeOfPredicates, 2 NumberOfNonLiveVariables, 609 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 5810/6080 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 06:26:01,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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_f41967ff-e4ca-40f2-999f-50cfd052313d/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 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:26:03,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:26:03,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:26:03,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:26:03,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:26:03,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:26:03,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:26:03,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:26:03,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:26:03,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:26:03,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:26:03,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:26:03,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:26:03,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:26:03,538 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:26:03,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:26:03,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:26:03,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:26:03,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:26:03,539 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:26:03,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:26:03,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:26:03,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:26:03,540 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:26:03,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:26:03,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:26:03,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:26:03,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:26:03,541 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_f41967ff-e4ca-40f2-999f-50cfd052313d/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 -> 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 [2024-12-02 06:26:03,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:26:03,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:26:03,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:26:03,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:26:03,793 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:26:03,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2024-12-02 06:26:06,505 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/fe27fc69c/b8155371475745e3868da9d78c65a619/FLAG91c1345fb [2024-12-02 06:26:06,675 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:26:06,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2024-12-02 06:26:06,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/fe27fc69c/b8155371475745e3868da9d78c65a619/FLAG91c1345fb [2024-12-02 06:26:06,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/data/fe27fc69c/b8155371475745e3868da9d78c65a619 [2024-12-02 06:26:06,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:26:06,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:26:06,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:26:06,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:26:06,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:26:06,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:06,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512bdbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06, skipping insertion in model container [2024-12-02 06:26:06,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:06,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:26:06,839 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_f41967ff-e4ca-40f2-999f-50cfd052313d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2024-12-02 06:26:06,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:26:06,897 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:26:06,907 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2024-12-02 06:26:06,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:26:06,947 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:26:06,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06 WrapperNode [2024-12-02 06:26:06,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:26:06,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:26:06,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:26:06,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:26:06,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:06,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:06,985 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-12-02 06:26:06,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:26:06,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:26:06,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:26:06,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:26:06,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:06,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:06,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,008 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 06:26:07,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:26:07,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:26:07,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:26:07,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:26:07,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (1/1) ... [2024-12-02 06:26:07,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:26:07,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:26:07,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:26:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:26:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:26:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:26:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:26:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:26:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:26:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:26:07,161 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:26:07,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:26:07,630 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 06:26:07,630 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:26:07,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:26:07,640 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:26:07,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:07 BoogieIcfgContainer [2024-12-02 06:26:07,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:26:07,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:26:07,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:26:07,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:26:07,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:26:06" (1/3) ... [2024-12-02 06:26:07,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701192b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:26:07, skipping insertion in model container [2024-12-02 06:26:07,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:06" (2/3) ... [2024-12-02 06:26:07,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701192b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:26:07, skipping insertion in model container [2024-12-02 06:26:07,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:07" (3/3) ... [2024-12-02 06:26:07,650 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-43.i [2024-12-02 06:26:07,661 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:26:07,662 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-43.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:26:07,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:26:07,717 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;@1b37a44e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:26:07,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:26:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:26:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:26:07,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:26:07,732 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:26:07,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:26:07,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:26:07,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1571513004, now seen corresponding path program 1 times [2024-12-02 06:26:07,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:26:07,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773597718] [2024-12-02 06:26:07,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:07,749 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 06:26:07,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:26:07,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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 06:26:07,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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 06:26:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:26:08,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 06:26:08,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:26:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:26:08,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:26:08,200 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:26:08,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773597718] [2024-12-02 06:26:08,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773597718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:26:08,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:26:08,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:26:08,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555880252] [2024-12-02 06:26:08,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:26:08,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:26:08,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:26:08,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:26:08,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:26:08,229 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 06:26:08,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:26:08,745 INFO L93 Difference]: Finished difference Result 119 states and 198 transitions. [2024-12-02 06:26:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:26:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2024-12-02 06:26:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:26:08,755 INFO L225 Difference]: With dead ends: 119 [2024-12-02 06:26:08,755 INFO L226 Difference]: Without dead ends: 63 [2024-12-02 06:26:08,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:26:08,760 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 77 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:26:08,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 117 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:26:08,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-02 06:26:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2024-12-02 06:26:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:26:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2024-12-02 06:26:08,797 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 127 [2024-12-02 06:26:08,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:26:08,798 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2024-12-02 06:26:08,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 06:26:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2024-12-02 06:26:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:26:08,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:26:08,801 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:26:08,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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 06:26:09,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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 06:26:09,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:26:09,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:26:09,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1514254702, now seen corresponding path program 1 times [2024-12-02 06:26:09,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:26:09,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381581309] [2024-12-02 06:26:09,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:09,004 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 06:26:09,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:26:09,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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 06:26:09,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41967ff-e4ca-40f2-999f-50cfd052313d/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 06:26:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:26:09,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:26:09,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:33:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 348 proven. 108 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:33:17,358 INFO L312 TraceCheckSpWp]: Computing backward predicates...