./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:39:41,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:39:41,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:39:41,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:39:41,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:39:41,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:39:41,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:39:41,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:39:41,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:39:41,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:39:41,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:39:41,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:39:41,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:39:41,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:39:41,589 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:39:41,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:39:41,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:39:41,590 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:39:41,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:39:41,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:39:41,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:39:41,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:39:41,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:39:41,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:39:41,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:39:41,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:39:41,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:39:41,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:39:41,592 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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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 -> 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a [2024-12-02 13:39:41,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:39:41,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:39:41,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:39:41,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:39:41,842 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:39:41,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-12-02 13:39:44,519 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/9a90efa93/2ee5b1a31bec42ef9c56118ebddead89/FLAG413b8ea81 [2024-12-02 13:39:44,710 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:39:44,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-12-02 13:39:44,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/9a90efa93/2ee5b1a31bec42ef9c56118ebddead89/FLAG413b8ea81 [2024-12-02 13:39:44,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/9a90efa93/2ee5b1a31bec42ef9c56118ebddead89 [2024-12-02 13:39:44,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:39:44,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:39:44,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:39:44,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:39:44,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:39:44,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761084a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44, skipping insertion in model container [2024-12-02 13:39:44,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:39:44,859 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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-12-02 13:39:44,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:39:44,902 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:39:44,910 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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-12-02 13:39:44,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:39:44,937 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:39:44,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44 WrapperNode [2024-12-02 13:39:44,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:39:44,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:39:44,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:39:44,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:39:44,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,973 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-12-02 13:39:44,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:39:44,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:39:44,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:39:44,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:39:44,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,995 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:39:44,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:44,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,000 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:39:45,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:39:45,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:39:45,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:39:45,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (1/1) ... [2024-12-02 13:39:45,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:39:45,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:45,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:39:45,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:39:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:39:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:39:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:39:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:39:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:39:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:39:45,130 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:39:45,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:39:45,354 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 13:39:45,354 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:39:45,363 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:39:45,363 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:39:45,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:45 BoogieIcfgContainer [2024-12-02 13:39:45,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:39:45,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:39:45,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:39:45,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:39:45,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:39:44" (1/3) ... [2024-12-02 13:39:45,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8f66e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:45, skipping insertion in model container [2024-12-02 13:39:45,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:44" (2/3) ... [2024-12-02 13:39:45,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8f66e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:45, skipping insertion in model container [2024-12-02 13:39:45,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:45" (3/3) ... [2024-12-02 13:39:45,370 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-40.i [2024-12-02 13:39:45,383 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:39:45,385 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-40.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:39:45,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:39:45,445 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;@6aa78f1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:39:45,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:39:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:39:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 13:39:45,458 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:45,459 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:45,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:45,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash -361794192, now seen corresponding path program 1 times [2024-12-02 13:39:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:39:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51928182] [2024-12-02 13:39:45,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 13:39:45,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:39:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51928182] [2024-12-02 13:39:45,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51928182] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:39:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321472195] [2024-12-02 13:39:45,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:45,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:45,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:45,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:45,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:39:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:45,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:39:45,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 13:39:45,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:39:45,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321472195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:39:45,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:39:45,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:39:45,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129632251] [2024-12-02 13:39:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:39:45,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:39:45,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:39:45,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:39:45,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:39:45,862 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 13:39:45,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:45,882 INFO L93 Difference]: Finished difference Result 121 states and 207 transitions. [2024-12-02 13:39:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:39:45,884 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-12-02 13:39:45,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:39:45,889 INFO L225 Difference]: With dead ends: 121 [2024-12-02 13:39:45,889 INFO L226 Difference]: Without dead ends: 60 [2024-12-02 13:39:45,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:39:45,893 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:39:45,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:39:45,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-12-02 13:39:45,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-12-02 13:39:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:39:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-12-02 13:39:45,925 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 121 [2024-12-02 13:39:45,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:39:45,926 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-12-02 13:39:45,926 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 13:39:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-12-02 13:39:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 13:39:45,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:45,929 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:45,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:39:46,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:39:46,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:46,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1774031446, now seen corresponding path program 1 times [2024-12-02 13:39:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:39:46,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211629343] [2024-12-02 13:39:46,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 13:39:46,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:39:46,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211629343] [2024-12-02 13:39:46,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211629343] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:39:46,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:39:46,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:39:46,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168392897] [2024-12-02 13:39:46,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:39:46,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:39:46,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:39:46,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:39:46,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:39:46,425 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 13:39:46,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:46,495 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2024-12-02 13:39:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:39:46,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-12-02 13:39:46,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:39:46,498 INFO L225 Difference]: With dead ends: 136 [2024-12-02 13:39:46,498 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 13:39:46,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:39:46,499 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 23 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:39:46,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 264 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:39:46,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 13:39:46,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2024-12-02 13:39:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:39:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-12-02 13:39:46,509 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 121 [2024-12-02 13:39:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:39:46,511 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-12-02 13:39:46,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 13:39:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-12-02 13:39:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 13:39:46,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:46,513 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:46,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:39:46,513 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:46,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1925075857, now seen corresponding path program 1 times [2024-12-02 13:39:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:39:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972622009] [2024-12-02 13:39:46,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 13:39:46,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:39:46,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972622009] [2024-12-02 13:39:46,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972622009] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:39:46,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:39:46,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:39:46,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120068440] [2024-12-02 13:39:46,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:39:46,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:39:46,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:39:46,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:39:46,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:39:46,699 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 13:39:46,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:46,819 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2024-12-02 13:39:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:39:46,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-12-02 13:39:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:39:46,822 INFO L225 Difference]: With dead ends: 186 [2024-12-02 13:39:46,822 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 13:39:46,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:39:46,823 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:39:46,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 374 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:39:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 13:39:46,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 93. [2024-12-02 13:39:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 13:39:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2024-12-02 13:39:46,835 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 122 [2024-12-02 13:39:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:39:46,836 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2024-12-02 13:39:46,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-12-02 13:39:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-12-02 13:39:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 13:39:46,838 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:46,838 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:46,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:39:46,838 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:46,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:46,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1338269843, now seen corresponding path program 1 times [2024-12-02 13:39:46,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:39:46,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170595658] [2024-12-02 13:39:46,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:46,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:39:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:39:46,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708576477] [2024-12-02 13:39:46,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:46,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:46,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:46,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:39:46,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:39:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:47,020 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:39:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:39:47,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:39:47,124 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:39:47,125 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:39:47,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:39:47,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:39:47,329 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 13:39:47,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:39:47,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:39:47 BoogieIcfgContainer [2024-12-02 13:39:47,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:39:47,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:39:47,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:39:47,395 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:39:47,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:45" (3/4) ... [2024-12-02 13:39:47,397 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:39:47,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:39:47,398 INFO L158 Benchmark]: Toolchain (without parser) took 2662.63ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 94.1MB in the end (delta: 23.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-12-02 13:39:47,399 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:47,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.07ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:39:47,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.92ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.5MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:39:47,400 INFO L158 Benchmark]: Boogie Preprocessor took 36.29ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:47,400 INFO L158 Benchmark]: RCFGBuilder took 353.34ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 81.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:39:47,400 INFO L158 Benchmark]: TraceAbstraction took 2029.40ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 94.1MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:47,400 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 94.1MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:39:47,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.07ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 104.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.92ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.5MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.29ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.34ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 81.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2029.40ms. Allocated memory is still 142.6MB. Free memory was 81.3MB in the beginning and 94.1MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 94.1MB in the end (delta: 17.7kB). 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 someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 64; [L26] signed long int var_1_8 = -2; [L27] signed long int var_1_9 = -10; [L28] unsigned char var_1_11 = 128; [L29] unsigned char var_1_12 = 1; [L30] double var_1_13 = 8.4; [L31] double var_1_15 = 49.75; [L32] signed char var_1_16 = -2; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = -5; [L35] float var_1_19 = 7.5; [L36] signed short int var_1_20 = 1; [L37] signed short int var_1_21 = -256; [L38] double last_1_var_1_13 = 8.4; VAL [isInitial=0, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L73] var_1_8 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L74] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L77] var_1_9 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L78] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L82] RET assume_abort_if_not(var_1_11 >= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L88] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L89] var_1_17 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L90] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L92] var_1_18 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L93] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L108] RET updateVariables() [L109] CALL step() [L42] COND TRUE \read(var_1_3) [L43] var_1_16 = ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L45] var_1_19 = var_1_15 [L46] var_1_20 = var_1_16 [L47] var_1_21 = var_1_18 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L48] COND TRUE \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L49] COND FALSE !(var_1_3 && (var_1_19 <= (- 63.9f))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] EXPR var_1_21 | var_1_16 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] COND TRUE ((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16) [L58] var_1_7 = (var_1_11 - var_1_12) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L62] COND TRUE var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19))) [L63] var_1_13 = (var_1_15 + (127.4 - 8.25)) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L100-L101] return ((((((var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12)))) && ((var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19)))) ? (var_1_13 == ((double) (var_1_15 + (127.4 - 8.25)))) : 1)) && (var_1_3 ? (var_1_16 == ((signed char) ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))))) : 1)) && (var_1_19 == ((float) var_1_15))) && (var_1_20 == ((signed short int) var_1_16))) && (var_1_21 == ((signed short int) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 298 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 729 NumberOfCodeBlocks, 729 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 279 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2700/2736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:39:47,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:39:49,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:39:49,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:39:49,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:39:49,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:39:49,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:39:49,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:39:49,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:39:49,435 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:39:49,435 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:39:49,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:39:49,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:39:49,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:39:49,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:39:49,436 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:39:49,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:39:49,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:39:49,438 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:39:49,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:39:49,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:39:49,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:39:49,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:39:49,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:39:49,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:39:49,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:39:49,440 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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/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 -> 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a [2024-12-02 13:39:49,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:39:49,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:39:49,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:39:49,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:39:49,671 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:39:49,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-12-02 13:39:52,274 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/2be3deff0/b35bc7a0d80a4f8387ab62476e2fbc7d/FLAG19706522d [2024-12-02 13:39:52,492 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:39:52,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-12-02 13:39:52,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/2be3deff0/b35bc7a0d80a4f8387ab62476e2fbc7d/FLAG19706522d [2024-12-02 13:39:52,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/data/2be3deff0/b35bc7a0d80a4f8387ab62476e2fbc7d [2024-12-02 13:39:52,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:39:52,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:39:52,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:39:52,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:39:52,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:39:52,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:52" (1/1) ... [2024-12-02 13:39:52,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662c0d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:52, skipping insertion in model container [2024-12-02 13:39:52,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:39:52" (1/1) ... [2024-12-02 13:39:52,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:39:52,989 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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-12-02 13:39:53,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:39:53,037 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:39:53,045 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_f6fbcf13-bbf8-4c90-ba9f-df614e952100/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-12-02 13:39:53,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:39:53,081 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:39:53,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53 WrapperNode [2024-12-02 13:39:53,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:39:53,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:39:53,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:39:53,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:39:53,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,119 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-12-02 13:39:53,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:39:53,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:39:53,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:39:53,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:39:53,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,142 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:39:53,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,150 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:39:53,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:39:53,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:39:53,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:39:53,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (1/1) ... [2024-12-02 13:39:53,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:39:53,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:39:53,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:39:53,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:39:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:39:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:39:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:39:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:39:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:39:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:39:53,276 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:39:53,277 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:39:55,994 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 13:39:55,994 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:39:56,002 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:39:56,002 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:39:56,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:56 BoogieIcfgContainer [2024-12-02 13:39:56,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:39:56,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:39:56,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:39:56,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:39:56,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:39:52" (1/3) ... [2024-12-02 13:39:56,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64117080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:56, skipping insertion in model container [2024-12-02 13:39:56,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:39:53" (2/3) ... [2024-12-02 13:39:56,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64117080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:39:56, skipping insertion in model container [2024-12-02 13:39:56,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:39:56" (3/3) ... [2024-12-02 13:39:56,010 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-40.i [2024-12-02 13:39:56,021 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:39:56,022 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-40.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:39:56,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:39:56,070 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;@64c56d28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:39:56,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:39:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:39:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 13:39:56,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:56,081 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:56,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:56,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:56,085 INFO L85 PathProgramCache]: Analyzing trace with hash -261305118, now seen corresponding path program 1 times [2024-12-02 13:39:56,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:39:56,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38526519] [2024-12-02 13:39:56,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:56,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:39:56,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:39:56,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:39:56,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 13:39:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:56,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:39:56,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:39:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-12-02 13:39:56,498 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:39:56,499 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:39:56,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38526519] [2024-12-02 13:39:56,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38526519] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:39:56,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:39:56,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:39:56,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520631105] [2024-12-02 13:39:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:39:56,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:39:56,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:39:56,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:39:56,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:39:56,522 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 13:39:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:39:56,544 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-12-02 13:39:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:39:56,546 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-12-02 13:39:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:39:56,552 INFO L225 Difference]: With dead ends: 103 [2024-12-02 13:39:56,552 INFO L226 Difference]: Without dead ends: 51 [2024-12-02 13:39:56,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:39:56,557 INFO L435 NwaCegarLoop]: 76 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, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:39:56,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:39:56,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-02 13:39:56,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-12-02 13:39:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:39:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 76 transitions. [2024-12-02 13:39:56,594 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 76 transitions. Word has length 118 [2024-12-02 13:39:56,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:39:56,595 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 76 transitions. [2024-12-02 13:39:56,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 13:39:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2024-12-02 13:39:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 13:39:56,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:39:56,597 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:39:56,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 13:39:56,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:39:56,798 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:39:56,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:39:56,799 INFO L85 PathProgramCache]: Analyzing trace with hash -88781080, now seen corresponding path program 1 times [2024-12-02 13:39:56,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:39:56,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285379170] [2024-12-02 13:39:56,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:39:56,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:39:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:39:56,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:39:56,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fbcf13-bbf8-4c90-ba9f-df614e952100/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 13:39:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:39:57,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 13:39:57,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:40:56,927 WARN L286 SmtUtils]: Spent 15.28s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:42:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-12-02 13:42:04,635 INFO L312 TraceCheckSpWp]: Computing backward predicates...