./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.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_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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_53750d94-97d0-422e-9064-b01b1c7dfae9/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 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:05:15,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:05:15,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:05:15,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:05:15,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:05:15,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:05:15,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:05:15,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:05:15,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:05:15,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:05:15,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:05:15,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:05:15,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:05:15,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:05:15,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:05:15,132 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:05:15,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:05:15,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:05:15,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:05:15,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:05:15,133 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_53750d94-97d0-422e-9064-b01b1c7dfae9/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 -> 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 [2024-12-02 08:05:15,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:05:15,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:05:15,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:05:15,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:05:15,345 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:05:15,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-12-02 08:05:17,979 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/841e685b9/73627ffdb4f24e348d30dd4b60ddc9aa/FLAG378c7011f [2024-12-02 08:05:18,162 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:05:18,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-12-02 08:05:18,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/841e685b9/73627ffdb4f24e348d30dd4b60ddc9aa/FLAG378c7011f [2024-12-02 08:05:18,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/841e685b9/73627ffdb4f24e348d30dd4b60ddc9aa [2024-12-02 08:05:18,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:05:18,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:05:18,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:05:18,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:05:18,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:05:18,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef2f13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18, skipping insertion in model container [2024-12-02 08:05:18,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:05:18,663 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_53750d94-97d0-422e-9064-b01b1c7dfae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-12-02 08:05:18,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:05:18,717 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:05:18,729 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_53750d94-97d0-422e-9064-b01b1c7dfae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-12-02 08:05:18,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:05:18,760 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:05:18,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18 WrapperNode [2024-12-02 08:05:18,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:05:18,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:05:18,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:05:18,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:05:18,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,797 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-12-02 08:05:18,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:05:18,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:05:18,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:05:18,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:05:18,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,825 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 08:05:18,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:05:18,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:05:18,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:05:18,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:05:18,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (1/1) ... [2024-12-02 08:05:18,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:05:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:05:18,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:05:18,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:05:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:05:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:05:18,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:05:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:05:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:05:18,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:05:18,969 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:05:18,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:05:19,176 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 08:05:19,176 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:05:19,186 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:05:19,186 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:05:19,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:05:19 BoogieIcfgContainer [2024-12-02 08:05:19,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:05:19,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:05:19,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:05:19,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:05:19,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:05:18" (1/3) ... [2024-12-02 08:05:19,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf79d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:05:19, skipping insertion in model container [2024-12-02 08:05:19,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:18" (2/3) ... [2024-12-02 08:05:19,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf79d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:05:19, skipping insertion in model container [2024-12-02 08:05:19,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:05:19" (3/3) ... [2024-12-02 08:05:19,196 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-36.i [2024-12-02 08:05:19,209 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:05:19,210 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-36.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:05:19,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:05:19,274 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;@39892f7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:05:19,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:05:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 08:05:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:05:19,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:05:19,286 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:19,286 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:05:19,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:05:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1350173073, now seen corresponding path program 1 times [2024-12-02 08:05:19,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:05:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491589301] [2024-12-02 08:05:19,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:05:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:05:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 08:05:19,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:05:19,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491589301] [2024-12-02 08:05:19,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491589301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:05:19,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732109563] [2024-12-02 08:05:19,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:19,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:05:19,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:05:19,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:05:19,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:05:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:05:19,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:05:19,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:05:19,660 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 08:05:19,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:05:19,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732109563] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:05:19,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:05:19,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:05:19,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100550039] [2024-12-02 08:05:19,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:05:19,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:05:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:05:19,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:05:19,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:05:19,685 INFO L87 Difference]: Start difference. First operand has 53 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 08:05:19,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:05:19,707 INFO L93 Difference]: Finished difference Result 99 states and 157 transitions. [2024-12-02 08:05:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:05:19,708 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2024-12-02 08:05:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:05:19,714 INFO L225 Difference]: With dead ends: 99 [2024-12-02 08:05:19,714 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 08:05:19,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 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 08:05:19,719 INFO L435 NwaCegarLoop]: 69 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, 69 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 08:05:19,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:05:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 08:05:19,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 08:05:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 08:05:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-12-02 08:05:19,757 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 80 [2024-12-02 08:05:19,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:05:19,757 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-12-02 08:05:19,758 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 08:05:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-12-02 08:05:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:05:19,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:05:19,761 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:19,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:05:19,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:05:19,962 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:05:19,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:05:19,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1237562345, now seen corresponding path program 1 times [2024-12-02 08:05:19,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:05:19,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006530336] [2024-12-02 08:05:19,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:19,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:05:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:05:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 08:05:20,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:05:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006530336] [2024-12-02 08:05:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006530336] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:05:20,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:05:20,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:05:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548123916] [2024-12-02 08:05:20,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:05:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:05:20,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:05:20,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:05:20,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:05:20,177 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 08:05:20,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:05:20,217 INFO L93 Difference]: Finished difference Result 96 states and 137 transitions. [2024-12-02 08:05:20,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:05:20,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 80 [2024-12-02 08:05:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:05:20,219 INFO L225 Difference]: With dead ends: 96 [2024-12-02 08:05:20,219 INFO L226 Difference]: Without dead ends: 50 [2024-12-02 08:05:20,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:05:20,220 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:05:20,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:05:20,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-02 08:05:20,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-02 08:05:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 08:05:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2024-12-02 08:05:20,229 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 80 [2024-12-02 08:05:20,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:05:20,231 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2024-12-02 08:05:20,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 08:05:20,231 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2024-12-02 08:05:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:05:20,233 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:05:20,233 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:20,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:05:20,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:05:20,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:05:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash -536497767, now seen corresponding path program 1 times [2024-12-02 08:05:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:05:20,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34026998] [2024-12-02 08:05:20,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:05:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:05:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 08:05:20,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:05:20,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34026998] [2024-12-02 08:05:20,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34026998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:05:20,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:05:20,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:05:20,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721630707] [2024-12-02 08:05:20,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:05:20,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:05:20,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:05:20,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:05:20,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:05:20,472 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 08:05:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:05:20,596 INFO L93 Difference]: Finished difference Result 144 states and 204 transitions. [2024-12-02 08:05:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:05:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 80 [2024-12-02 08:05:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:05:20,598 INFO L225 Difference]: With dead ends: 144 [2024-12-02 08:05:20,599 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 08:05:20,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:05:20,600 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:05:20,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 171 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:05:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 08:05:20,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2024-12-02 08:05:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 63 states have internal predecessors, (82), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:05:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2024-12-02 08:05:20,616 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 80 [2024-12-02 08:05:20,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:05:20,617 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2024-12-02 08:05:20,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 08:05:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2024-12-02 08:05:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 08:05:20,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:05:20,619 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:20,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:05:20,619 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:05:20,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:05:20,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1656540876, now seen corresponding path program 1 times [2024-12-02 08:05:20,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:05:20,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728141200] [2024-12-02 08:05:20,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:20,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:05:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:05:20,673 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:05:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:05:20,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:05:20,732 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:05:20,733 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:05:20,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:05:20,738 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 08:05:20,782 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:05:20,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:05:20 BoogieIcfgContainer [2024-12-02 08:05:20,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:05:20,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:05:20,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:05:20,787 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:05:20,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:05:19" (3/4) ... [2024-12-02 08:05:20,790 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:05:20,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:05:20,791 INFO L158 Benchmark]: Toolchain (without parser) took 2244.31ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 61.0MB in the end (delta: 31.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-12-02 08:05:20,792 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:05:20,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.55ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.5MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:05:20,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.33ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:05:20,792 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:05:20,793 INFO L158 Benchmark]: RCFGBuilder took 343.65ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 60.6MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:05:20,793 INFO L158 Benchmark]: TraceAbstraction took 1596.86ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 61.0MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:05:20,793 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:05:20,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.55ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.5MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.33ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.65ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 60.6MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1596.86ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 61.0MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 21.1kB). 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 shiftRight at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] float var_1_3 = 9999999999.875; [L24] unsigned char var_1_4 = 0; [L25] float var_1_5 = 4.25; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_9 = 1; [L28] double var_1_10 = 64.2; [L29] double var_1_11 = 9.5; [L30] double var_1_12 = 199.5; [L31] double var_1_13 = 3.5; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_16 = 2; [L34] unsigned char last_1_var_1_14 = 1; VAL [isInitial=0, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=79999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L99] isInitial = 1 [L100] FCALL initially() [L102] CALL updateLastVariables() [L92] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=79999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L76] var_1_5 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L77] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L82] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L84] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L86] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L103] RET updateVariables() [L104] CALL step() [L38] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L38] COND TRUE (last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14) [L39] var_1_7 = (var_1_4 || var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L41] COND FALSE !(var_1_13 == (- var_1_12)) [L48] var_1_14 = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L50] COND FALSE !(var_1_5 > var_1_3) [L53] var_1_10 = ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L55] unsigned char stepLocal_0 = var_1_10 > var_1_10; VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=0, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L56] COND FALSE !(stepLocal_0 && var_1_7) [L67] var_1_1 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L95-L96] return (((((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1)) && ((var_1_5 > var_1_3) ? (var_1_10 == ((double) 4.6)) : (var_1_10 == ((double) ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))))))) && ((var_1_13 == (- var_1_12)) ? ((var_1_7 && var_1_7) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : (var_1_14 == ((unsigned char) 0))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, var_1_10=10000000004, var_1_11=10000000004, var_1_12=10000000004, var_1_13=10000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 364 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 198 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 370 SizeOfPredicates, 0 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 860/880 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 08:05:20,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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_53750d94-97d0-422e-9064-b01b1c7dfae9/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 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:05:22,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:05:22,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:05:22,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:05:22,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:05:22,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:05:22,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:05:22,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:05:22,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:05:22,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:05:22,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:05:22,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:05:22,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:05:22,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:05:22,851 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:05:22,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:05:22,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:05:22,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:05:22,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:05:22,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:05:22,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:05:22,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:05:22,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:05:22,854 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:05:22,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:05:22,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:05:22,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:05:22,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:05:22,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:05:22,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:05:22,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:05:22,855 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:05:22,856 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:05:22,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:05:22,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:05:22,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:05:22,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:05:22,856 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_53750d94-97d0-422e-9064-b01b1c7dfae9/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 -> 679f3e9a797f0d0c698ba326ece0ec204f57b310bb0854e1596d356f433c56d3 [2024-12-02 08:05:23,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:05:23,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:05:23,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:05:23,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:05:23,116 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:05:23,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-12-02 08:05:25,903 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/ac7cd3d4b/b1643ae38b3e4fb3b98967fe7c889380/FLAG387f38a7e [2024-12-02 08:05:26,086 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:05:26,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i [2024-12-02 08:05:26,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/ac7cd3d4b/b1643ae38b3e4fb3b98967fe7c889380/FLAG387f38a7e [2024-12-02 08:05:26,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/data/ac7cd3d4b/b1643ae38b3e4fb3b98967fe7c889380 [2024-12-02 08:05:26,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:05:26,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:05:26,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:05:26,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:05:26,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:05:26,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fbc353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26, skipping insertion in model container [2024-12-02 08:05:26,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:05:26,283 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_53750d94-97d0-422e-9064-b01b1c7dfae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-12-02 08:05:26,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:05:26,342 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:05:26,354 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_53750d94-97d0-422e-9064-b01b1c7dfae9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-36.i[913,926] [2024-12-02 08:05:26,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:05:26,396 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:05:26,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26 WrapperNode [2024-12-02 08:05:26,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:05:26,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:05:26,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:05:26,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:05:26,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,444 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-12-02 08:05:26,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:05:26,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:05:26,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:05:26,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:05:26,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,473 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 08:05:26,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,483 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:05:26,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:05:26,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:05:26,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:05:26,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (1/1) ... [2024-12-02 08:05:26,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:05:26,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:05:26,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:05:26,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:05:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:05:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:05:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:05:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:05:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:05:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:05:26,619 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:05:26,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:05:26,864 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 08:05:26,864 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:05:26,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:05:26,873 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:05:26,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:05:26 BoogieIcfgContainer [2024-12-02 08:05:26,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:05:26,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:05:26,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:05:26,879 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:05:26,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:05:26" (1/3) ... [2024-12-02 08:05:26,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cda895e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:05:26, skipping insertion in model container [2024-12-02 08:05:26,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:05:26" (2/3) ... [2024-12-02 08:05:26,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cda895e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:05:26, skipping insertion in model container [2024-12-02 08:05:26,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:05:26" (3/3) ... [2024-12-02 08:05:26,881 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-36.i [2024-12-02 08:05:26,895 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:05:26,896 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-36.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:05:26,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:05:26,953 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;@ab743a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:05:26,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:05:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 08:05:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 08:05:26,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:05:26,966 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:26,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:05:26,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:05:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 495907231, now seen corresponding path program 1 times [2024-12-02 08:05:26,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:05:26,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589654999] [2024-12-02 08:05:26,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:26,982 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 08:05:26,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:05:26,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:05:26,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:05:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:05:27,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:05:27,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:05:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 08:05:27,205 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:05:27,206 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:05:27,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589654999] [2024-12-02 08:05:27,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589654999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:05:27,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:05:27,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:05:27,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485507066] [2024-12-02 08:05:27,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:05:27,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:05:27,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:05:27,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:05:27,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:05:27,234 INFO L87 Difference]: Start difference. First operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 08:05:27,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:05:27,254 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2024-12-02 08:05:27,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:05:27,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2024-12-02 08:05:27,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:05:27,260 INFO L225 Difference]: With dead ends: 85 [2024-12-02 08:05:27,261 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 08:05:27,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 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 08:05:27,266 INFO L435 NwaCegarLoop]: 58 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, 58 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 08:05:27,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:05:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 08:05:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-12-02 08:05:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 08:05:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-12-02 08:05:27,305 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 77 [2024-12-02 08:05:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:05:27,305 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-12-02 08:05:27,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 08:05:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-12-02 08:05:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 08:05:27,308 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:05:27,309 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:27,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:05:27,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:05:27,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:05:27,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:05:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash 842990299, now seen corresponding path program 1 times [2024-12-02 08:05:27,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:05:27,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774591055] [2024-12-02 08:05:27,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:05:27,511 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 08:05:27,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:05:27,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:05:27,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:05:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:05:27,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 08:05:27,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:09:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 08:09:18,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:09:18,478 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:09:18,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774591055] [2024-12-02 08:09:18,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774591055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:09:18,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:09:18,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:09:18,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601391314] [2024-12-02 08:09:18,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:09:18,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 08:09:18,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:09:18,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 08:09:18,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:09:18,481 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 08:09:19,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:09:19,172 INFO L93 Difference]: Finished difference Result 141 states and 196 transitions. [2024-12-02 08:09:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:09:19,174 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77 [2024-12-02 08:09:19,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:09:19,176 INFO L225 Difference]: With dead ends: 141 [2024-12-02 08:09:19,176 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 08:09:19,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:09:19,177 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:09:19,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 236 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:09:19,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 08:09:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 76. [2024-12-02 08:09:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:09:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2024-12-02 08:09:19,191 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 77 [2024-12-02 08:09:19,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:09:19,192 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2024-12-02 08:09:19,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 08:09:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-12-02 08:09:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 08:09:19,194 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:09:19,195 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:09:19,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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)] Forceful destruction successful, exit code 0 [2024-12-02 08:09:19,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:09:19,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:09:19,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:09:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1676969635, now seen corresponding path program 1 times [2024-12-02 08:09:19,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:09:19,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980333077] [2024-12-02 08:09:19,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:09:19,397 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 08:09:19,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:09:19,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/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 08:09:19,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53750d94-97d0-422e-9064-b01b1c7dfae9/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 08:09:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:09:19,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 08:09:19,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:15:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 132 proven. 18 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-02 08:15:31,763 INFO L312 TraceCheckSpWp]: Computing backward predicates...