./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.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_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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_2408f429-6867-4387-b2b4-60325db76e03/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 f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:17:40,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:17:40,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:17:40,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:17:40,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:17:40,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:17:40,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:17:40,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:17:40,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:17:40,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:17:40,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:17:40,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:17:40,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:17:40,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:17:40,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:17:40,723 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:17:40,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:17:40,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:17:40,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:17:40,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:17:40,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:17:40,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:17:40,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:17:40,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:17:40,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:17:40,725 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_2408f429-6867-4387-b2b4-60325db76e03/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 -> f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc [2024-12-02 06:17:40,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:17:40,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:17:40,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:17:40,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:17:40,948 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:17:40,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-12-02 06:17:43,596 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/1017837f8/c30f079f933d460fb632e9c712105b08/FLAG5c9e721ff [2024-12-02 06:17:43,820 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:17:43,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-12-02 06:17:43,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/1017837f8/c30f079f933d460fb632e9c712105b08/FLAG5c9e721ff [2024-12-02 06:17:44,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/1017837f8/c30f079f933d460fb632e9c712105b08 [2024-12-02 06:17:44,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:17:44,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:17:44,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:17:44,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:17:44,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:17:44,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c346009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44, skipping insertion in model container [2024-12-02 06:17:44,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:17:44,330 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_2408f429-6867-4387-b2b4-60325db76e03/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i[913,926] [2024-12-02 06:17:44,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:17:44,383 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:17:44,394 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_2408f429-6867-4387-b2b4-60325db76e03/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i[913,926] [2024-12-02 06:17:44,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:17:44,425 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:17:44,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44 WrapperNode [2024-12-02 06:17:44,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:17:44,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:17:44,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:17:44,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:17:44,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,462 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-12-02 06:17:44,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:17:44,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:17:44,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:17:44,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:17:44,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,486 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 06:17:44,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:17:44,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:17:44,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:17:44,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:17:44,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (1/1) ... [2024-12-02 06:17:44,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:17:44,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:17:44,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:17:44,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:17:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:17:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:17:44,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:17:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:17:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:17:44,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:17:44,620 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:17:44,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:17:44,818 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 06:17:44,818 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:17:44,827 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:17:44,827 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:17:44,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:44 BoogieIcfgContainer [2024-12-02 06:17:44,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:17:44,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:17:44,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:17:44,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:17:44,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:44" (1/3) ... [2024-12-02 06:17:44,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e0bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:44, skipping insertion in model container [2024-12-02 06:17:44,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:44" (2/3) ... [2024-12-02 06:17:44,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e0bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:44, skipping insertion in model container [2024-12-02 06:17:44,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:44" (3/3) ... [2024-12-02 06:17:44,835 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-73.i [2024-12-02 06:17:44,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:17:44,850 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-73.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:17:44,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:17:44,910 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;@a16b5ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:17:44,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:17:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:17:44,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:44,923 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:44,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:44,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:44,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1189945737, now seen corresponding path program 1 times [2024-12-02 06:17:44,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:17:44,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845454331] [2024-12-02 06:17:44,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:17:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 06:17:45,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:17:45,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845454331] [2024-12-02 06:17:45,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845454331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:17:45,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173694423] [2024-12-02 06:17:45,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:45,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:17:45,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:17:45,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:17:45,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:17:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:45,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:17:45,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:17:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 06:17:45,282 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:17:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173694423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:17:45,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:17:45,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:17:45,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315933845] [2024-12-02 06:17:45,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:17:45,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:17:45,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:17:45,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:17:45,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:17:45,304 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:17:45,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:17:45,323 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2024-12-02 06:17:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:17:45,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-12-02 06:17:45,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:17:45,330 INFO L225 Difference]: With dead ends: 99 [2024-12-02 06:17:45,330 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 06:17:45,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:17:45,335 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:17:45,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:17:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 06:17:45,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 06:17:45,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-12-02 06:17:45,366 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 99 [2024-12-02 06:17:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:17:45,366 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-12-02 06:17:45,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:17:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-12-02 06:17:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:17:45,370 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:45,370 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:45,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:17:45,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:17:45,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:45,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:45,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1752879759, now seen corresponding path program 1 times [2024-12-02 06:17:45,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:17:45,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379486736] [2024-12-02 06:17:45,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:45,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:17:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:17:45,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:17:45,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379486736] [2024-12-02 06:17:45,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379486736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:17:45,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:17:45,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:17:45,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530441139] [2024-12-02 06:17:45,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:17:45,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:17:45,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:17:45,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:17:45,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:17:45,888 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:17:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:17:46,013 INFO L93 Difference]: Finished difference Result 128 states and 186 transitions. [2024-12-02 06:17:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:17:46,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-12-02 06:17:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:17:46,015 INFO L225 Difference]: With dead ends: 128 [2024-12-02 06:17:46,015 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 06:17:46,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:17:46,017 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 63 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:17:46,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 190 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:17:46,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 06:17:46,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2024-12-02 06:17:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-12-02 06:17:46,026 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 99 [2024-12-02 06:17:46,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:17:46,027 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-12-02 06:17:46,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:17:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-02 06:17:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:17:46,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:46,028 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:46,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:17:46,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:46,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:46,029 INFO L85 PathProgramCache]: Analyzing trace with hash -207710709, now seen corresponding path program 1 times [2024-12-02 06:17:46,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:17:46,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518934230] [2024-12-02 06:17:46,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:46,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:17:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:17:46,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:17:46,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518934230] [2024-12-02 06:17:46,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518934230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:17:46,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:17:46,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:17:46,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681672763] [2024-12-02 06:17:46,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:17:46,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:17:46,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:17:46,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:17:46,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:17:46,122 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:17:46,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:17:46,155 INFO L93 Difference]: Finished difference Result 110 states and 153 transitions. [2024-12-02 06:17:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:17:46,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-12-02 06:17:46,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:17:46,157 INFO L225 Difference]: With dead ends: 110 [2024-12-02 06:17:46,157 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 06:17:46,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:17:46,159 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:17:46,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 123 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:17:46,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 06:17:46,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2024-12-02 06:17:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2024-12-02 06:17:46,166 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 100 [2024-12-02 06:17:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:17:46,166 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2024-12-02 06:17:46,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:17:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2024-12-02 06:17:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:17:46,168 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:46,168 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:46,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:17:46,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash -150452407, now seen corresponding path program 1 times [2024-12-02 06:17:46,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:17:46,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952534126] [2024-12-02 06:17:46,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:46,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:17:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:17:46,228 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:17:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:17:46,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:17:46,294 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:17:46,295 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:17:46,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:17:46,299 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 06:17:46,345 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:17:46,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:17:46 BoogieIcfgContainer [2024-12-02 06:17:46,348 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:17:46,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:17:46,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:17:46,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:17:46,350 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:44" (3/4) ... [2024-12-02 06:17:46,352 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:17:46,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:17:46,353 INFO L158 Benchmark]: Toolchain (without parser) took 2163.39ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 84.6MB in the end (delta: 31.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-12-02 06:17:46,354 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:17:46,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.17ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 103.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:17:46,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.22ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:17:46,354 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 97.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:17:46,355 INFO L158 Benchmark]: RCFGBuilder took 325.89ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 81.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:17:46,355 INFO L158 Benchmark]: TraceAbstraction took 1518.65ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 84.6MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:17:46,355 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 84.6MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:17:46,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.17ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 103.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.22ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 97.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.89ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 81.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1518.65ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 84.6MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 84.6MB in the end (delta: 15.8kB). 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 101, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] unsigned char var_1_6 = 1; [L24] double var_1_7 = -0.41; [L25] unsigned char var_1_8 = 25; [L26] unsigned char var_1_9 = 100; [L27] unsigned char var_1_10 = 1; [L28] float var_1_12 = 15.75; [L29] float var_1_13 = 1.6; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] float var_1_16 = 16.5; [L33] signed char var_1_17 = 10; [L34] signed char var_1_18 = -10; [L35] signed long int var_1_19 = -16; [L36] float last_1_var_1_12 = 15.75; VAL [isInitial=0, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L105] isInitial = 1 [L106] FCALL initially() [L108] CALL updateLastVariables() [L98] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_8=25, var_1_9=100] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_8=25, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L75] var_1_7 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L76] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25] [L79] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L81] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L82] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L84] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L86] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L87] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L90] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L92] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L93] var_1_18 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L94] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L95] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L109] RET updateVariables() [L110] CALL step() [L40] COND TRUE \read(var_1_6) [L41] var_1_8 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L47] var_1_19 = var_1_8 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L48] COND FALSE !(var_1_19 > var_1_9) [L59] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L61] signed long int stepLocal_0 = (((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))); VAL [isInitial=1, last_1_var_1_12=63/4, stepLocal_0=0, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L62] COND TRUE var_1_8 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L63] COND FALSE !(! var_1_6) [L66] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L69] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return (((((var_1_8 <= ((((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))))) ? ((! var_1_6) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) var_1_7))) : 1) && (var_1_6 ? (var_1_8 == ((unsigned char) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : ((last_1_var_1_12 < (last_1_var_1_12 + var_1_7)) ? (var_1_8 == ((unsigned char) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1))) && ((var_1_19 > var_1_9) ? (var_1_6 ? (var_1_12 == ((float) (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((var_1_14 && var_1_15) ? (var_1_12 == ((float) (var_1_13 - var_1_16))) : (var_1_12 == ((float) var_1_16)))) : (var_1_12 == ((float) var_1_13)))) && (var_1_17 == ((signed char) var_1_18))) && (var_1_19 == ((signed long int) var_1_8)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 249 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 42 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1652/1680 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 06:17:46,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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_2408f429-6867-4387-b2b4-60325db76e03/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 f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:17:48,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:17:48,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:17:48,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:17:48,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:17:48,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:17:48,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:17:48,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:17:48,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:17:48,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:17:48,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:17:48,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:17:48,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:17:48,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:17:48,422 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:17:48,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:17:48,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:17:48,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:17:48,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:17:48,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:17:48,424 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:17:48,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:17:48,424 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:17:48,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:17:48,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:17:48,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:17:48,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:17:48,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:17:48,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:17:48,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:17:48,426 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:17:48,426 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:17:48,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:17:48,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:17:48,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:17:48,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:17:48,426 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_2408f429-6867-4387-b2b4-60325db76e03/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 -> f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc [2024-12-02 06:17:48,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:17:48,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:17:48,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:17:48,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:17:48,671 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:17:48,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-12-02 06:17:51,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/5ba1a5b10/d5c70e8a3f05484d92404180a0b03b97/FLAGdbf13746e [2024-12-02 06:17:51,592 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:17:51,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-12-02 06:17:51,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/5ba1a5b10/d5c70e8a3f05484d92404180a0b03b97/FLAGdbf13746e [2024-12-02 06:17:51,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/data/5ba1a5b10/d5c70e8a3f05484d92404180a0b03b97 [2024-12-02 06:17:51,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:17:51,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:17:51,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:17:51,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:17:51,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:17:51,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b22eb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51, skipping insertion in model container [2024-12-02 06:17:51,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:17:51,744 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_2408f429-6867-4387-b2b4-60325db76e03/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i[913,926] [2024-12-02 06:17:51,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:17:51,795 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:17:51,803 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_2408f429-6867-4387-b2b4-60325db76e03/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i[913,926] [2024-12-02 06:17:51,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:17:51,838 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:17:51,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51 WrapperNode [2024-12-02 06:17:51,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:17:51,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:17:51,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:17:51,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:17:51,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,875 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-12-02 06:17:51,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:17:51,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:17:51,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:17:51,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:17:51,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,898 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 06:17:51,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,908 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:17:51,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:17:51,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:17:51,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:17:51,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (1/1) ... [2024-12-02 06:17:51,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:17:51,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:17:51,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:17:51,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:17:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:17:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:17:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:17:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:17:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:17:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:17:52,038 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:17:52,040 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:17:54,520 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 06:17:54,520 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:17:54,529 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:17:54,529 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:17:54,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:54 BoogieIcfgContainer [2024-12-02 06:17:54,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:17:54,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:17:54,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:17:54,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:17:54,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:17:51" (1/3) ... [2024-12-02 06:17:54,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aeb717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:54, skipping insertion in model container [2024-12-02 06:17:54,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:17:51" (2/3) ... [2024-12-02 06:17:54,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15aeb717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:17:54, skipping insertion in model container [2024-12-02 06:17:54,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:17:54" (3/3) ... [2024-12-02 06:17:54,538 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-73.i [2024-12-02 06:17:54,552 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:17:54,554 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-73.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:17:54,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:17:54,609 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;@51ce92e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:17:54,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:17:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:17:54,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:54,622 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:54,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:54,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:54,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1189945737, now seen corresponding path program 1 times [2024-12-02 06:17:54,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:17:54,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757184446] [2024-12-02 06:17:54,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:54,635 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 06:17:54,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:17:54,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:54,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:54,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:17:54,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:17:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 06:17:54,929 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:17:54,929 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:17:54,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757184446] [2024-12-02 06:17:54,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757184446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:17:54,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:17:54,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:17:54,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915947236] [2024-12-02 06:17:54,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:17:54,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:17:54,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:17:54,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:17:54,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:17:54,950 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:17:54,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:17:54,968 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2024-12-02 06:17:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:17:54,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-12-02 06:17:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:17:54,974 INFO L225 Difference]: With dead ends: 99 [2024-12-02 06:17:54,975 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 06:17:54,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:17:54,979 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:17:54,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:17:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 06:17:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 06:17:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-12-02 06:17:55,009 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 99 [2024-12-02 06:17:55,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:17:55,009 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-12-02 06:17:55,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:17:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-12-02 06:17:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:17:55,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:55,013 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:55,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:55,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:55,216 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:55,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1752879759, now seen corresponding path program 1 times [2024-12-02 06:17:55,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:17:55,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208620246] [2024-12-02 06:17:55,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:55,217 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 06:17:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:17:55,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:55,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:55,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:17:55,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:17:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:17:55,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:17:55,628 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:17:55,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208620246] [2024-12-02 06:17:55,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208620246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:17:55,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:17:55,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:17:55,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675039040] [2024-12-02 06:17:55,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:17:55,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:17:55,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:17:55,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:17:55,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:17:55,631 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:17:57,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:58,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:17:58,593 INFO L93 Difference]: Finished difference Result 128 states and 186 transitions. [2024-12-02 06:17:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:17:58,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-12-02 06:17:58,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:17:58,596 INFO L225 Difference]: With dead ends: 128 [2024-12-02 06:17:58,596 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 06:17:58,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 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 06:17:58,597 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 62 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:17:58,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 234 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 06:17:58,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 06:17:58,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2024-12-02 06:17:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:17:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-12-02 06:17:58,608 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 99 [2024-12-02 06:17:58,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:17:58,610 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-12-02 06:17:58,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:17:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-02 06:17:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:17:58,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:58,612 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:17:58,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 06:17:58,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:58,813 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:58,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash -207710709, now seen corresponding path program 1 times [2024-12-02 06:17:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:17:58,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150425544] [2024-12-02 06:17:58,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:58,814 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 06:17:58,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:17:58,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:17:58,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 06:17:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:59,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:17:59,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:17:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:17:59,054 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:17:59,054 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:17:59,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150425544] [2024-12-02 06:17:59,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150425544] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:17:59,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:17:59,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:17:59,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717328180] [2024-12-02 06:17:59,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:17:59,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:17:59,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:17:59,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:17:59,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:17:59,056 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:18:00,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:18:00,121 INFO L93 Difference]: Finished difference Result 110 states and 153 transitions. [2024-12-02 06:18:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:18:00,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-12-02 06:18:00,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:18:00,136 INFO L225 Difference]: With dead ends: 110 [2024-12-02 06:18:00,137 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 06:18:00,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:18:00,138 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:18:00,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 122 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:18:00,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 06:18:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2024-12-02 06:18:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:18:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2024-12-02 06:18:00,143 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 100 [2024-12-02 06:18:00,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:18:00,143 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2024-12-02 06:18:00,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:18:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2024-12-02 06:18:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:18:00,144 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:18:00,144 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:18:00,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 06:18:00,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:18:00,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:18:00,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:18:00,345 INFO L85 PathProgramCache]: Analyzing trace with hash -150452407, now seen corresponding path program 1 times [2024-12-02 06:18:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:18:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248749302] [2024-12-02 06:18:00,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:18:00,346 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 06:18:00,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:18:00,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/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 06:18:00,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2408f429-6867-4387-b2b4-60325db76e03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 06:18:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:18:00,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:18:00,581 INFO L279 TraceCheckSpWp]: Computing forward predicates...